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Tetrahymena

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linear DNA mini-chromosomes. These minichromosomes have their own telomeres and are derived via site-specific fragmentation of the five original micronuclear chromosomes during sexual development. In T. thermophila each of these minichromosomes encodes multiple genes and exists at a copy number of approximately 45-50 within the macronucleus. The exception to this is the minichromosome encoding the rDNA, which is massively upregulated, existing at a copy number of approximately 10,000 within the macronucleus. Because the macronucleus divides amitotically during binary fission, these minichromosomes are un-equally divided between the clonal daughter cells. Through natural or artificial selection, this method of DNA partitioning in the somatic genome can lead to clonal cell lines with different macronuclear phenotypes fixed for a particular trait, in a process called phenotypic assortment. In this way, the polyploid genome can fine-tune its adaptation to environmental conditions through gain of beneficial mutations on any given mini-chromosome whose replication is then selected for, or conversely, loss of a minichromosome which accrues a negative mutation. However, the macronucleus is only propagated from one cell to the next during the asexual, vegetative stage of the life cycle, and so it is never directly inherited by sexual progeny. Only beneficial mutations that occur in the germline micronucleus of
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chromosomes which encode the heritable information passed down from one sexual generation to the next. During sexual conjugation, haploid micronuclear meiotic products from both parental cells fuse, leading to the creation of a new micro- and macronucleus in progeny cells. Sexual conjugation occurs when cells starved for at least 2hrs in a nutrient-depleted media encounter a cell of complementary mating type. After a brief period of co-stimulation (~1hr), starved cells begin to pair at their anterior ends to form a specialized region of membrane called the conjugation junction.
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have the capacity to 'learn' the shape and size of their swimming space. Cells confined in a droplet of a water for a short time were, upon release, found to repeat the circular swimming trajectories 'learned' in the droplet. The diameter and duration of these swimming paths reflected the size of the
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gene. Researchers were only able to sequence a portion of the entire open-reading frame, and other candidate genes have not been investigated thoroughly. mRNA and amino acid sequencing indicate that ubiquitin may play a crucial role in allowing transformation to take place as well. However, no known
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differentiates its genome into two functionally distinct types of nuclei, each specifically used during the two different stages of the life cycle. The diploid germline micronucleus is transcriptionally silent and only plays a role during sexual life stages. The germline nucleus contains 5 pairs of
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also undergoes phenotypic changes when faced with limited resource availability. Cells are capable of changing their shape and size, along with behavioral swimming strategies in response to starvation. The more motile cells that change in response to starvation are known as dispersers, or disperser
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When nutrients are scarce, two individuals (A) pair with each other and begin sexual reproduction (conjugation). (B) The diploid micronucleus in each individual undergoes meiosis to form four haploid nuclei, and three of these are degraded. (C) The remaining haploid nucleus divides mitotically to
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normally contains 45 copies of each chromosome. While the actual number of unique chromosomes are unknown, the number is thought to be around 187 in the MAC, and 5 in the MIC. Thus, the Ca adapted strain contained 225 copies of the specific chromosome in question. This resulted in a nearly 28-fold
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nucleus. (E) The zygotic nucleus divides twice mitotically to form four nuclei. (F) Two nuclei become micronuclei, and the other two differentiate to become macronuclei; the original parental macronucleus is degraded. (G) Cell division occurs and the nuclei are distributed to the daughter cells so
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are known to display unique response mechanisms to stress and various environmental pressures. The unique genomic architecture of the ciliates (presence of a MIC, high ploidy, large number of chromosomes, etc.) allows for differential gene expression, as well as increased genomic flexibility. The
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The larger polyploid macronucleus is transcriptionally active, meaning its genes are actively expressed, and so it controls somatic cell functions during vegetative growth. The polyploid nature of the macronucleus refers to the fact that it contains approximately 200–300 autonomously replicating
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are the chemicals in stomatin responsible for triggering the morphological change. Many researchers cite "starvation conditions" as inducing the transformation, as in nature, the compound inducers are in highest concentration after microstomal ciliates have grazed down bacterial populations, and
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It is at this junctional zone that several hundred fusion pores form, allowing for the mutual exchange of protein, RNA and eventually a meiotic product of their micronucleus. This whole process takes about 12 hours at 30 Â°C, but even longer than this at cooler temperatures. The sequence of
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was 912 bp long and consists of three largely identical 105 bp open-reading frames. A northern blot analysis revealed that low levels of transcription are detected in microstome cells, while high levels of transcription occur in macrostome cells. Furthermore, when the researchers limited
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when faced with starvation. Dispersers, and non-dispersing cells both become dramatically thinner and smaller, increasing the basal body and cilia density, allowing them to swim between two and three times faster than normal cells. Some strains of
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Jacob, Staffan; Laurent, Estelle; Morel‐Journel, Thibaut; Schtickzelle, Nicolas (February 2020). "Fragmentation and the context‐dependence of dispersal syndromes: matrix harshness modifies resident‐disperser phenotypic differences in microcosms".
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It is common among protists that the sexual cycle is inducible by stressful conditions such as starvation. Such conditions often cause DNA damage. A central feature of meiosis is homologous recombination between non-sister chromosomes. In
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transformation are unknown. However, some progress has been made in identifying candidate genes. Researchers from the University of Alabama have used cDNA subtraction to remove actively transcribed DNA from microstome and macrostome
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have also been found to develop a single, non-beating, enlarged cilia that assists the cell in steering or directing movement. While the behavior has been shown to correlate with faster dispersal and form as a reversible trait in
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cells are too nutrient starved to undertake transformation, they have also been recorded as transforming into a third "tailed"-microstome morph, thought to be a defense mechanism in response to cannibalistic pressure. While
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cells, leaving only differentially transcribed cDNA molecules. While nine differentiation-specific genes were found, the most frequently expressed candidate gene was identified as a novel sequence,
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Kruger K, Grabowski PJ, Zaug AJ, Sands J, Gottschling DE, Cech TR (November 1982). "Self-splicing RNA: autoexcision and autocyclization of the ribosomal RNA intervening sequence of Tetrahymena".
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were starved, dispersal cells actually increased in cell length, despite still becoming thinner. More research is needed to determine the genetic mechanisms that underlie disperser formation.
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is a bacterivorous microstome around 60 ÎŒm in length. However, it has the ability to switch into a carnivorous macrostome around 200 ÎŒm in length that can feed on larger competitors. If
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Green, M. M.; LeBoeuf, R. D.; Churchill, P. F. (2000). "Biological and molecular characterization of cellular differentiation in Tetrahymena vorax: a potential biocontrol protozoan".
691:, pairing and fusing with a cell of opposite mating type. Tetrahymena has seven mating types; each of which can mate with any of the other six without preference, but not its own. 854:
is known for its inducible trophic polymorphisms, an ecologically offensive tactic that allows it to change its feeding strategy and diet by altering its morphology. Normally,
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in each cell at the same time and these two carry out different functions with distinct cytological and biological properties. This unique versatility allows scientists to use
2293:"Genome plasticity in response to stress in Tetrahymena thermophila : selective and reversible chromosome amplification and paralogous expansion of metallothionein genes" 1101:
cells, little is known about the genetic or cellular mechanisms that allow for its development. Furthermore, other studies show that when genetically variable populations of
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Smith-Somerville, Harriett E.; Hardman, John K.; Timkovich, Russell; Ray, William J.; Rose, Karen E.; Ryals, Phillip E.; Gibbons, Sandra H.; Buhse, Howard E. (2000-06-20).
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Bernstein H, Bernstein C, Michod RE. Sex in microbial pathogens. Infect Genet Evol. 2018 Jan;57:8-25. doi: 10.1016/j.meegid.2017.10.024. Epub 2017 Oct 27. PMID 29111273
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These morphological switches are triggered by an abundance of stomatin in the environment, a mixture of metabolic compounds released by competitor species, such as
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mRNA correlated with a 51% decrease in transformation, supporting the notion that the gene is at least partially responsible for controlling the transformation in
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form two pronuclei in each cell. (D) One of the two pronuclei in each cell is exchanged with the mating partner, and fusion leads to the formation of the diploid
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Ryals, Phillip E.; Smith-Somerville, Harriett E.; Buhse, Howard E. (2002). "Phenotype Switching in Polymorphic Tetrahymena: A Single-Cell Jekyll and Hyde".
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are passed down between generations, but these mutations would never be selected for environmentally in the parental cells because they are not expressed.
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genes increased to three copies once again (135C). Thus, the authors argue that chromosome amplification is an inducible and reversible mechanism in the
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cells were found reduced to just the wild type copy number (45C). When researchers returned cells from the same colony to Cd medium, within a week
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can be grown in a large quantity in the laboratory with ease, it has been a great source for biochemical analysis for years, specifically for
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enzyme, the templating role of telomerase RNA and their roles in cellular senescence and chromosome healing (for which a Nobel Prize was won).
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consists of an alternation between asexual and sexual stages. In nutrient rich media during vegetative growth cells reproduce asexually by
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Researchers also used gene-knockdown experiments, where the copy number of another metallothionein gene on a different chromosome,
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First cell which showed synchronized division, which led to the first insights into the existence of mechanisms which control the
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that exhibits inducible trophic polymorphisms, many lesser known species are able to undertake transformation as well, including
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and in the repair of double-strand breaks. During conjugation, Rad51 is necessary for completion of meiosis. Meiosis in
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Banerji, Aabir; Morin, Peter J. (May 2014). "Trait-mediated apparent competition in an intraguild predator-prey system".
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cells. While rates and levels of phenotypic change differ between strains, disperser cells form in nearly all strains of
2010:"Meiosis gene inventory of four ciliates reveals the prevalence of a synaptonemal complex-independent crossover pathway" 599: 2707: 401:. In addition, with the advancement of genetic techniques it has become an excellent model to study the gene function 2051:"Mus81 nuclease and Sgs1 helicase are essential for meiotic recombination in a protist lacking a synaptonemal complex" 2735: 2348:
Yao, Meng-Chao; Chao, Ju-Lan; Cheng, Chao-Yin (21 November 2014). "Programmed Genome Rearrangements in Tetrahymena".
646: 2168:"A complex of iron and nucleic acid catabolites is a signal that triggers differentiation in a freshwater protozoan" 5414: 2969: 606: 1004:
increased copy number indicates that the entire chromosome had been amplified, as opposed to just specific genes.
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following is a non-exhaustive list of examples of phenotypic and genotypic plasticity in the Tetrahymena genus.
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also resulted in substantially elevated Rad 51 protein levels. These findings suggest that ciliates such as
613: 1511:"Selecting one of several mating types through gene segment joining and deletion in Tetrahymena thermophila" 3207: 580: 5274: 2383:
Junker, Anthony D.; Jacob, Staffan; Philippe, Hervé; Legrand, Delphine; Pearson, Chad G. (August 2021).
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this process of meiotic recombination may be beneficial for repairing DNA damages caused by starvation.
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structures, making it an optimal model to illustrate the diversity and functions of microtubule arrays.
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Fjerdingstad, Else J; Schtickzelle, Nicolas; Manhes, Pauline; Gutierrez, Arnaud; Clobert, Jean (2007).
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de Francisco, Patricia; MartĂ­n‐GonzĂĄlez, Ana; Turkewitz, Aaron P.; GutiĂ©rrez, Juan Carlos (July 2018).
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expression in the presence of stomatin (using antisense oligonucleotide methods), a 55% reduction in
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genes decreased to an average of three copies (135C). By seven months in normal growth medium, the
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Analysis of ubiquitin and differential gene expression during differentiation in Tetrahymena vorax
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cells will transform at higher rates, allowing them to prey on their former trophic competitors.
774: 573: 38: 1912:"Identification and characterization of the RAD51 gene from the ciliate Tetrahymena thermophila" 5227: 4094: 2865: 1277: 44: 5357: 980:
that were exposed to large quantities of Cd over time were found to have a 5-fold increase of
5406: 5265: 4849: 3388: 3327: 3249: 3016: 2273: 5300: 4029: 3141: 2851: 2396: 2304: 2179: 1679: 1365:(NIH) funded program through the Science Education Partnership Award (SEPA) Program called 964:. Finally, the genetic mechanisms of the "tailed" microstome morph are completely unknown. 823: 265: 2361: 1509:
Cervantes MD, Hamilton EP, Xiong J, Lawson MJ, Yuan D, Hadjithomas M, et al. (2013).
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Eisen JA, Coyne RS, Wu M, Wu D, Thiagarajan M, Wortman JR, et al. (September 2006).
620: 33: 2618:"Macronuclear genome sequence of the ciliate Tetrahymena thermophila, a model eukaryote" 2400: 2308: 2183: 1683: 522:
and discovery of the enzymes responsible for some of these modifications (glutamylation)
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on the same chromosome. The fact that a non-metallothionein gene on the same locus as
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cells of complementary mating types pair to exchange nuclei during sexual conjugation.
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ciliate populations are high. When the chemical inducers are in high concentration,
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Leick V, Hellung-Larsen P (January 1992). "Chemosensory behaviour of Tetrahymena".
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Other related species exhibit their own unique responses to various stressors. In
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in some eukaryotes, leaving UGA as the only termination codon in these organisms.
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Proceedings of the National Academy of Sciences of the United States of America
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population in normal growth medium (lacking Cd) for one month, the number of
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Crystal structure of 40S ribosome in complex with its initiation factor eIF1
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modes of survival. They are common in freshwater lakes, ponds, and streams.
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Kunita I, Yamaguchi T, Tero A, Akiyama M, Kuroda S, Nakagaki T (May 2016).
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species are 45-ploid for their macronucleus, meaning that the wild type of
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Quirk, Trevor (27 March 2013). "How a microbe chooses among seven sexes".
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has been recorded as having both a macrostome and tailed-microstome form.
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utilize a Rad51-dependent recombinational pathway to repair damaged DNA.
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10.1002/1521-4028(200012)40:5/6<351::aid-jobm351>3.0.co;2-q
1754: 888: 540: 529: 484: 435: 420: 283: 5344: 2505: 405:. The recent sequencing of the macronucleus genome should ensure that 5313: 4997: 4908: 4818: 4743: 4725: 4668: 4544: 4478: 3940: 3934: 3916: 3790: 3761: 3685: 3567: 3489: 3428: 3255: 2945: 2937: 2885: 2490: 2129:. International Review of Cytology. Vol. 212. pp. 209–238. 894: 827: 702: 533: 497: 478: 460: 335: 268: 195: 156: 5221: 1746: 562: 5318: 5244: 4948: 4861: 4737: 4502: 3997: 3958: 3876: 3820: 3621: 3309: 3171: 3148: 3028: 2791: 2165: 519: 491:
Nobel Prize–winning co-discovery (1989, in Chemistry) of catalytic
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Marsh TC, Cole ES, Stuart KR, Campbell C, Romero DP (April 2000).
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events during conjugation is outlined in the accompanying figure.
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that each progeny receives one micronucleus and one macronucleus.
505: 323: 271:. The genus Tetrahymena is the most widely studied member of its 261: 205: 822:
appears to employ a Mus81-dependent pathway that does not use a
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Early molecular identification of somatic genome rearrangement.
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have contributed to several scientific milestones including:
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Chi J, Mahé F, Loidl J, Logsdon J, Dunthorn M (March 2014).
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to UV light resulted in a greater than 100-fold increase in
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The exact genetic, and structural mechanisms that underlie
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gene expression. Treatment with the DNA alkylating agent
2684: 2558:. Methods in Cell Biology. Vol. 62. Academic Press. 1668:"An unusual genetic code in nuclear genes of Tetrahymena" 492: 2049:
Lukaszewicz A, Howard-Till RA, Loidl J (November 2013).
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It has been suggested that portions of this article be
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Advancing Secondary Science Education thru Tetrahymena
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genes in the ubiquitin family have been identified in
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Interestingly, when researchers grew a sample of the
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Unsourced material may be challenged and removed. 2751:All Creatures Great and Small: Elizabeth Blackburn 2677:ASSET: Advancing Secondary Science Education thru 2551: 2385:"Plastic cell morphology changes during dispersal" 1078: 846: 2532:Cornell University College of Veterinary Medicine 5434: 1665: 826:and is considered secondary in most other model 528:First demonstration that two of the "universal" 2572: 2172:Proceedings of the National Academy of Sciences 992:, an unrelated gene that lies just upstream of 968:Metal resistance, gene and genome amplification 2615: 1909: 2936: 2922: 2771: 1451:Acta Microbiologica et Immunologica Hungarica 441:Identification and purification of the first 409:will be continuously used as a model system. 2347: 2097: 2042: 1724: 1599: 1597: 1595: 1593: 1591: 1589: 1587: 532:, UAA and UAG, will code for the amino acid 3471: 3416: 3081: 1903: 1761: 315:: a model organism in experimental biology 3456: 2929: 2915: 2778: 2764: 2549: 1013:increase in detected expression levels of 955:. However, very little is known about the 370:to identify several key factors regarding 123: 2643: 2633: 2590: 2467: 2457: 2416: 2324: 2201: 2191: 2074: 2025: 1984: 1935: 1877: 1793: 1701: 1691: 1584: 1536: 1526: 1060:genetic response to metal stress.   647:Learn how and when to remove this message 544:Main fields of biomedical research where 4996: 1767: 1610:National Human Genome Research Institute 701: 658: 539: 476:Discovery of the molecular structure of 318: 1858:Journal of the Royal Society, Interface 1502: 1483: 518:such as acetylation and glycylation on 5435: 2267: 1666:Horowitz S, Gorovsky MA (April 1985). 735:are attracted to certain chemicals by 5226: 5225: 2910: 2759: 2741:Microbial Digital Specimen Archives: 2362:10.1128/microbiolspec.MDNA3-0012-2014 1603: 1559: 1441: 5394:9b582f4e-e861-4507-86e4-13bf3662869e 1444:"Lectins and Tetrahymena – A review" 1411: 1409: 1390:"Tetrahymena - Encyclopedia of Life" 1384: 1382: 585:adding citations to reliable sources 556: 374:and genome integrity. In addition, 63: 18: 2573:Collins K, Gorovsky MA (May 2005). 1910:Campbell C, Romero DP (July 1998). 1108: 834:Phenotypic and genotypic plasticity 747:droplet and time allowed to adapt. 13: 2708:The Institute for Genomic Research 2672:Stock Center at Cornell University 2542: 1488:. Dowen, Hutchinson and Ross Inc. 14: 5464: 2736:Journal of Visualized Experiments 2693:Biogeography and Biodiversity of 2662: 2550:Asai DJ, Forney JD, eds. (2000). 1406: 1379: 742:A 2016 study found that cultured 415:exists in seven different sexes ( 2112:10.1111/j.1600-0706.2013.00937.x 1442:Csaba, György (September 2016). 561: 143: 68: 23: 16:Genus of single-celled organisms 2520: 2484: 2433: 2376: 2341: 2284: 2261: 2218: 2159: 2118: 2091: 2014:Molecular Biology and Evolution 2001: 1952: 1894: 1845: 1810: 1725:Elliott, AM; Hayes, RE (1953). 1718: 1353: 1113:Species in this genus include. 1079:Enhanced motility and dispersal 847:Inducible trophic polymorphisms 572:needs additional citations for 397:activities and purification of 2268:Martin, Teresa Dianne (1996). 1786:10.1128/MMBR.58.2.233-267.1994 1770:"The DNA of ciliated protozoa" 1659: 1616: 1553: 1477: 1435: 1421:. Academic Press. 2012-10-22. 516:posttranslational modification 514:Demonstration of the roles of 36:out into articles titled 1: 2227:Journal of Basic Microbiology 2135:10.1016/s0074-7696(01)12006-1 1372: 1363:National Institutes of Health 750: 552: 504:Discovery of the function of 2635:10.1371/journal.pbio.0040286 1637:10.1016/0092-8674(82)90414-7 1604:Orias E (10 February 2002). 1528:10.1371/journal.pbio.1001518 7: 1977:10.1093/genetics/154.4.1587 726: 296:in biomedical research are 81:to comply with Knowledge's 10: 5469: 2409:10.1016/j.isci.2021.102915 2297:Environmental Microbiology 1218:Tetrahymena hyperangularis 1208:Tetrahymena glochidiophila 1168:Tetrahymena cosmopolitanis 278:They can also switch from 260:is a genus of free-living 5234: 5176: 5147: 5122: 5113: 5064: 5055: 4987: 4919: 4860: 4835: 4692: 4683: 4642: 4617: 4580: 4571: 4567: 4438: 4298: 4273: 4184: 4175: 4120: 4109: 4008: 3983: 3902: 3781: 3772: 3676: 3667: 3630: 3619: 3608: 3578: 3541: 3480: 3467: 3445: 3407: 3381: 3326: 3115: 3106: 3072: 3068: 2952: 2798: 2592:10.1016/j.cub.2005.04.039 2575:"Tetrahymena thermophila" 1768:Prescott DM (June 1994). 1570:10.1038/nature.2013.12684 1308:Tetrahymena shanghaiensis 867:is the most well studied 140:Scientific classification 138: 131: 122: 115: 2716:Genome Sequence Synopsis 2446:BMC Evolutionary Biology 2127:A Survey of Cell Biology 938:The sequenced region of 808:homologous recombination 806:, Rad51 participates in 548:cells are used as models 458:Aid in the discovery of 94:may contain suggestions. 79:may need to be rewritten 4607:Vitrella brassicaformis 2722:Tetrahymena thermophila 2714:Tetrahymena thermophila 2702:Tetrahymena thermophila 2554:Tetrahymena thermophila 2459:10.1186/1471-2148-7-133 2317:10.1111/1462-2920.14251 2193:10.1073/pnas.97.13.7325 1774:Microbiological Reviews 1463:10.1556/030.63.2016.001 1418:Tetrahymena Thermophila 1338:Tetrahymena thermophila 1238:Tetrahymena malaccensis 1188:Tetrahymena empidokyrea 1148:Tetrahymena capricornis 1017:, and slightly less in 775:methyl methanesulfonate 731:Free swimming cells of 413:Tetrahymena thermophila 399:sub-cellular components 352:. They have a bigger, 341:Tetrahymena thermophila 133:Tetrahymena thermophila 39:Tetrahymena thermophila 2055:Nucleic Acids Research 1928:10.1093/nar/26.13.3165 1916:Nucleic Acids Research 1870:10.1098/rsif.2016.0155 1831:10.1002/bies.950140113 1693:10.1073/pnas.82.8.2452 1486:Biology of Tetrahymena 1343:Tetrahymena tropicalis 1333:Tetrahymena stegomyiae 1328:Tetrahymena sonneborni 1278:Tetrahymena pyriformis 1273:Tetrahymena pigmentosa 1258:Tetrahymena nipissingi 1223:Tetrahymena leucophrys 1213:Tetrahymena hegewischi 1193:Tetrahymena farahensis 1143:Tetrahymena canadensis 1118:Tetrahymena americanis 711: 676: 549: 331: 45:Tetrahymena pyriformis 3328:Postciliodesmatophora 2350:Microbiology Spectrum 2027:10.1093/molbev/mst258 1564:: nature.2013.12684. 1263:Tetrahymena paravorax 1203:Tetrahymena furgasoni 1158:Tetrahymena chironomi 1128:Tetrahymena australis 705: 694:Typical of ciliates, 662: 543: 322: 4030:Eleutheroschizonidae 3142:Cariacothrix caudata 1313:Tetrahymena sialidos 1298:Tetrahymena setigera 1293:Tetrahymena setifera 1283:Tetrahymena rostrata 1183:Tetrahymena elliotti 1178:Tetrahymena edaphoni 1173:Tetrahymena dimorpha 1163:Tetrahymena corlissi 1138:Tetrahymena borealis 1123:Tetrahymena asiatica 824:synaptonemal complex 795:is a homolog of the 581:improve this article 382:and has complicated 378:possess hundreds of 348:: two types of cell 4275:Blastogregarinorina 4232:Oligochaetocystinae 2859:Medicago truncatula 2401:2021iSci...24j2915J 2309:2018EnvMi..20.2410D 2184:2000PNAS...97.7325S 1735:Biological Bulletin 1684:1985PNAS...82.2452H 1484:Elliott AM (1973). 1323:Tetrahymena skappus 1318:Tetrahymena silvana 1288:Tetrahymena rotunda 1253:Tetrahymena nanneyi 1248:Tetrahymena mobilis 1243:Tetrahymena mimbres 1228:Tetrahymena limacis 1198:Tetrahymena farleyi 1153:Tetrahymena caudata 1133:Tetrahymena bergeri 4370:Amphiplatysporidae 4322:Cephaloidophoridae 4122:Archigregarinorida 3117:Intramacronucleata 2067:10.1093/nar/gkt703 1359:Cornell University 1303:Tetrahymena setosa 1268:Tetrahymena patula 1233:Tetrahymena lwoffi 712: 689:sexual conjugation 679:The life cycle of 677: 550: 346:nuclear dimorphism 332: 5448:Oligohymenophorea 5430: 5429: 5402:Open Tree of Life 5228:Taxon identifiers 5219: 5218: 5215: 5214: 5211: 5210: 5207: 5206: 5172: 5171: 5051: 5050: 4983: 4982: 4679: 4678: 4563: 4562: 4559: 4558: 4555: 4554: 4448:Schizogregarinina 4434: 4433: 4105: 4104: 4010:Protococcidiorida 3979: 3978: 3975: 3974: 3894:Selenococcidiidae 3884:Elleipsisomatidae 3848:Cryptosporidiidae 3709:Haemogregarinidae 3632:Agamococcidiorida 3604: 3603: 3600: 3599: 3441: 3440: 3437: 3436: 3403: 3402: 3203:Oligohymenophorea 3102: 3101: 2904: 2903: 2565:978-0-12-544164-3 2534:. 9 January 2020. 2506:10.1111/oik.06857 2178:(13): 7325–7330. 2144:978-0-12-364616-3 1864:(118): 20160155. 1727:"Mating Types in 1495:978-0-87933-013-2 1428:978-0-12-385968-6 1348:Tetrahymena vorax 802:recombinase. In 657: 656: 649: 631: 253: 252: 216:Oligohymenophorea 109: 108: 83:quality standards 62: 61: 57: 5460: 5423: 5422: 5410: 5409: 5397: 5396: 5387: 5386: 5374: 5373: 5361: 5360: 5348: 5347: 5335: 5334: 5322: 5321: 5309: 5308: 5296: 5295: 5283: 5282: 5270: 5269: 5268: 5255: 5254: 5253: 5223: 5222: 5120: 5119: 5062: 5061: 4994: 4993: 4886:Duboscquellaceae 4690: 4689: 4578: 4577: 4569: 4568: 4440:Neogregarinorida 4416:Actinocephalidae 4412:Stylocephaloidea 4406:Trichorhynchidae 4250:Schaudinnellidae 4194:Aikinetocystidae 4182: 4181: 4118: 4117: 4047:Eleutheroschizon 3889:Lankesterellidae 3838:Calyptosporiidae 3828:Atoxoplasmatidae 3779: 3778: 3691:Dactylosomatidae 3674: 3673: 3628: 3627: 3617: 3616: 3478: 3477: 3469: 3468: 3465: 3464: 3454: 3453: 3414: 3413: 3233:Parablepharismea 3208:Ichthyophthirius 3113: 3112: 3079: 3078: 3070: 3069: 2981: 2961: 2931: 2924: 2917: 2908: 2907: 2780: 2773: 2766: 2757: 2756: 2657: 2647: 2637: 2612: 2594: 2569: 2557: 2536: 2535: 2524: 2518: 2517: 2488: 2482: 2481: 2471: 2461: 2437: 2431: 2430: 2420: 2380: 2374: 2373: 2345: 2339: 2338: 2328: 2303:(7): 2410–2421. 2288: 2282: 2281: 2265: 2259: 2258: 2233:(5–6): 351–361. 2222: 2216: 2215: 2205: 2195: 2163: 2157: 2156: 2122: 2116: 2115: 2095: 2089: 2088: 2078: 2061:(20): 9296–309. 2046: 2040: 2039: 2029: 2005: 1999: 1998: 1988: 1956: 1950: 1949: 1939: 1907: 1901: 1898: 1892: 1891: 1881: 1849: 1843: 1842: 1814: 1808: 1807: 1797: 1765: 1759: 1758: 1722: 1716: 1715: 1705: 1695: 1663: 1657: 1656: 1620: 1614: 1613: 1601: 1582: 1581: 1557: 1551: 1550: 1540: 1530: 1506: 1500: 1499: 1481: 1475: 1474: 1448: 1439: 1433: 1432: 1413: 1404: 1403: 1401: 1400: 1386: 1109:Species in genus 879:. However, only 838:Many species of 797:Escherichia coli 652: 645: 641: 638: 632: 630: 589: 565: 557: 292:species used as 148: 147: 127: 113: 112: 104: 101: 95: 72: 64: 53: 27: 26: 19: 5468: 5467: 5463: 5462: 5461: 5459: 5458: 5457: 5453:Model organisms 5433: 5432: 5431: 5426: 5418: 5413: 5405: 5400: 5392: 5390: 5382: 5377: 5369: 5364: 5356: 5351: 5343: 5338: 5330: 5325: 5317: 5312: 5304: 5299: 5291: 5286: 5278: 5273: 5264: 5263: 5258: 5249: 5248: 5243: 5230: 5220: 5203: 5168: 5143: 5109: 5103:Rhizellobiopsis 5047: 4979: 4956:Pronoctilucidae 4915: 4874:Amoebophryaceae 4856: 4831: 4782:Without theca: 4675: 4638: 4613: 4551: 4452:Caulleryellidae 4430: 4420:Stylocephalidae 4398:Sphaerocystidae 4382:Dactylophoridae 4378:Cnemidosporidae 4374:Brustiophoridae 4294: 4269: 4240:Stomatophorinae 4236:Rhynchocystinae 4199:Allantocystidae 4177:Eugregarinorida 4171: 4142:Selenidioididae 4114: 4101: 4004: 3971: 3930:Toxoplasmatinae 3898: 3853:Cryptosporidium 3768: 3663: 3652:Rhytidocystidae 3624: 3613: 3596: 3584:Cardiosporidium 3574: 3537: 3514:Leucocytozoidae 3461: 3450: 3433: 3399: 3377: 3322: 3245:Phyllopharyngea 3238:Parablepharisma 3098: 3064: 3063: 2979: 2957: 2948: 2935: 2905: 2900: 2794: 2788:model organisms 2784: 2688:Genome Database 2665: 2660: 2579:Current Biology 2566: 2545: 2543:Further reading 2540: 2539: 2526: 2525: 2521: 2489: 2485: 2438: 2434: 2381: 2377: 2346: 2342: 2289: 2285: 2266: 2262: 2223: 2219: 2164: 2160: 2145: 2123: 2119: 2096: 2092: 2047: 2043: 2006: 2002: 1957: 1953: 1922:(13): 3165–72. 1908: 1904: 1899: 1895: 1850: 1846: 1815: 1811: 1766: 1762: 1747:10.2307/1538642 1723: 1719: 1664: 1660: 1621: 1617: 1602: 1585: 1558: 1554: 1521:(3): e1001518. 1507: 1503: 1496: 1482: 1478: 1446: 1440: 1436: 1429: 1415: 1414: 1407: 1398: 1396: 1388: 1387: 1380: 1375: 1356: 1111: 1081: 970: 849: 836: 753: 729: 653: 642: 636: 633: 590: 588: 578: 566: 555: 372:gene expression 317: 294:model organisms 226:Hymenostomatida 142: 105: 99: 96: 86: 73: 58: 28: 24: 17: 12: 11: 5: 5466: 5456: 5455: 5450: 5445: 5443:Ciliate genera 5428: 5427: 5425: 5424: 5411: 5398: 5388: 5375: 5362: 5349: 5336: 5323: 5310: 5297: 5284: 5271: 5256: 5240: 5238: 5232: 5231: 5217: 5216: 5213: 5212: 5209: 5208: 5205: 5204: 5202: 5201: 5182: 5180: 5174: 5173: 5170: 5169: 5167: 5166: 5153: 5151: 5145: 5144: 5142: 5141: 5128: 5126: 5117: 5111: 5110: 5108: 5107: 5091:Parallobiopsis 5079:Elliobiocystis 5070: 5068: 5059: 5053: 5052: 5049: 5048: 5046: 5045: 5030:Rastromonadida 5027: 5015: 5002: 5000: 4991: 4985: 4984: 4981: 4980: 4978: 4977: 4965: 4953: 4941: 4936: 4923: 4921: 4917: 4916: 4914: 4913: 4895: 4883: 4866: 4864: 4858: 4857: 4855: 4854: 4841: 4839: 4833: 4832: 4830: 4829: 4811: 4779: 4778: 4769:Prorocentrales 4766: 4748: 4730: 4701:With a theca: 4698: 4696: 4687: 4685:Dinoflagellata 4681: 4680: 4677: 4676: 4674: 4673: 4661: 4652:Alphamonadidae 4648: 4646: 4640: 4639: 4637: 4636: 4623: 4621: 4615: 4614: 4612: 4611: 4599: 4595:Chromera velia 4586: 4584: 4575: 4565: 4564: 4561: 4560: 4557: 4556: 4553: 4552: 4550: 4549: 4537: 4516:Schizocystidae 4513: 4471: 4459: 4456:Ophryocystidae 4444: 4442: 4436: 4435: 4432: 4431: 4429: 4428: 4426:Blabericolidae 4423: 4409: 4359: 4349: 4346:Uradiophoridae 4330:Didymophoridae 4326:Cephalolobidae 4315: 4304: 4302: 4296: 4295: 4293: 4292: 4279: 4277: 4271: 4270: 4268: 4267: 4262: 4257: 4252: 4247: 4221: 4216: 4211: 4209:Enterocystidae 4206: 4201: 4196: 4190: 4188: 4179: 4173: 4172: 4170: 4169: 4153:Meroselenidium 4139: 4130:Exoschizonidae 4126: 4124: 4115: 4110: 4107: 4106: 4103: 4102: 4100: 4099: 4081: 4072:Mackinnoniidae 4069: 4051: 4027: 4018:Angeiocystidae 4014: 4012: 4006: 4005: 4003: 4002: 3989: 3987: 3981: 3980: 3977: 3976: 3973: 3972: 3970: 3969: 3953:Nephroisospora 3927: 3908: 3906: 3900: 3899: 3897: 3896: 3891: 3886: 3881: 3857: 3845: 3843:Caryotrophidae 3840: 3835: 3830: 3825: 3782: 3776: 3770: 3769: 3767: 3766: 3754: 3742: 3730: 3718: 3714:Haemogregarina 3706: 3688: 3682: 3680: 3671: 3669:Eucoccidiorida 3665: 3664: 3662: 3661: 3649: 3636: 3634: 3625: 3620: 3614: 3609: 3606: 3605: 3602: 3601: 3598: 3597: 3595: 3594: 3587: 3579: 3576: 3575: 3573: 3572: 3560: 3547: 3545: 3539: 3538: 3536: 3535: 3523: 3511: 3502:Haemoproteidae 3499: 3486: 3484: 3482:Haemospororida 3475: 3462: 3457: 3451: 3446: 3443: 3442: 3439: 3438: 3435: 3434: 3422: 3420: 3411: 3405: 3404: 3401: 3400: 3382: 3379: 3378: 3376: 3375: 3371:Tracheloraphis 3357: 3332: 3330: 3324: 3323: 3321: 3320: 3302: 3290: 3272: 3260: 3242: 3230: 3200: 3188: 3176: 3158: 3146: 3137:Cariacotrichea 3134: 3121: 3119: 3110: 3104: 3103: 3100: 3099: 3087: 3085: 3076: 3066: 3065: 3062: 3061: 3060: 3059: 3058: 3057: 3054:Mesomycetozoea 3051: 3046: 3036: 3026: 3025: 3024: 3019: 3014: 3009: 3004: 3003: 3002: 2990:Diaphoretickes 2987: 2982: 2977: 2972: 2967: 2962: 2954: 2953: 2950: 2949: 2934: 2933: 2926: 2919: 2911: 2902: 2901: 2899: 2898: 2893: 2888: 2883: 2876: 2869: 2862: 2855: 2848: 2843: 2836: 2831: 2826: 2819: 2812: 2805: 2799: 2796: 2795: 2783: 2782: 2775: 2768: 2760: 2754: 2753: 2748: 2739: 2738:(JoVE) website 2726: 2718: 2710: 2704:Genome Project 2698: 2690: 2682: 2674: 2664: 2663:External links 2661: 2659: 2658: 2613: 2570: 2564: 2546: 2544: 2541: 2538: 2537: 2519: 2500:(2): 158–169. 2483: 2432: 2375: 2340: 2283: 2260: 2217: 2158: 2143: 2117: 2106:(5): 567–574. 2090: 2041: 2000: 1971:(4): 1587–96. 1951: 1902: 1893: 1844: 1809: 1760: 1741:(2): 269–284. 1717: 1658: 1615: 1583: 1552: 1501: 1494: 1476: 1457:(3): 279–291. 1434: 1427: 1405: 1377: 1376: 1374: 1371: 1355: 1352: 1351: 1350: 1345: 1340: 1335: 1330: 1325: 1320: 1315: 1310: 1305: 1300: 1295: 1290: 1285: 1280: 1275: 1270: 1265: 1260: 1255: 1250: 1245: 1240: 1235: 1230: 1225: 1220: 1215: 1210: 1205: 1200: 1195: 1190: 1185: 1180: 1175: 1170: 1165: 1160: 1155: 1150: 1145: 1140: 1135: 1130: 1125: 1120: 1110: 1107: 1103:T. thermophila 1094:T. thermophila 1089:T. thermophila 1084:T. thermophila 1080: 1077: 1042:T. thermophila 1026:T. thermophila 1010:T. thermophila 978:T. thermophila 974:T. thermophila 969: 966: 848: 845: 835: 832: 820:T. thermophila 804:T. thermophila 793:T. thermophila 779:T. thermophila 765:T. thermophila 758:T. thermophila 752: 749: 728: 725: 721:T. thermophila 696:T. thermophila 685:binary fission 681:T. thermophila 655: 654: 569: 567: 560: 554: 551: 538: 537: 526: 523: 512: 502: 489: 474: 471: 456: 439: 334:As a ciliated 316: 313:T. thermophila 310: 299:T. thermophila 280:commensalistic 264:, examples of 251: 250: 243: 239: 238: 236:Tetrahymenidae 233: 229: 228: 223: 219: 218: 213: 209: 208: 203: 199: 198: 193: 186: 185: 180: 173: 172: 170:Diaphoretickes 167: 160: 159: 154: 150: 149: 136: 135: 129: 128: 120: 119: 107: 106: 76: 74: 67: 60: 59: 55:(October 2021) 31: 29: 22: 15: 9: 6: 4: 3: 2: 5465: 5454: 5451: 5449: 5446: 5444: 5441: 5440: 5438: 5421: 5416: 5412: 5408: 5403: 5399: 5395: 5389: 5385: 5380: 5376: 5372: 5367: 5363: 5359: 5354: 5350: 5346: 5341: 5337: 5333: 5328: 5324: 5320: 5315: 5311: 5307: 5302: 5298: 5294: 5289: 5285: 5281: 5276: 5272: 5267: 5261: 5257: 5252: 5246: 5242: 5241: 5239: 5237: 5233: 5229: 5224: 5199: 5198: 5193: 5192: 5187: 5184: 5183: 5181: 5179: 5175: 5164: 5163: 5158: 5155: 5154: 5152: 5150: 5146: 5139: 5138: 5133: 5130: 5129: 5127: 5125: 5121: 5118: 5116: 5112: 5105: 5104: 5099: 5098: 5097:Thalassomyces 5093: 5092: 5087: 5086: 5081: 5080: 5075: 5074:Ellobiopsidae 5072: 5071: 5069: 5067: 5063: 5060: 5058: 5057:Protalveolata 5054: 5043: 5042: 5037: 5036: 5035:Parvilucifera 5031: 5028: 5025: 5024: 5019: 5016: 5013: 5012: 5007: 5004: 5003: 5001: 4999: 4995: 4992: 4990: 4986: 4975: 4974: 4969: 4966: 4963: 4962: 4957: 4954: 4951: 4950: 4945: 4944:Oxyrrhinaceae 4942: 4940: 4939:Ichthyodinium 4937: 4934: 4933: 4928: 4925: 4924: 4922: 4918: 4911: 4910: 4905: 4904: 4899: 4896: 4893: 4892: 4887: 4884: 4881: 4880: 4875: 4871: 4868: 4867: 4865: 4863: 4859: 4852: 4851: 4846: 4843: 4842: 4840: 4838: 4834: 4827: 4826: 4821: 4820: 4815: 4812: 4809: 4808: 4803: 4802: 4797: 4796: 4791: 4790: 4785: 4784:Gymnodiniales 4781: 4780: 4776: 4775: 4770: 4767: 4764: 4763: 4758: 4757: 4752: 4749: 4746: 4745: 4740: 4739: 4734: 4733:Gonyaulacales 4731: 4728: 4727: 4722: 4721: 4720:Ornithocercus 4716: 4715: 4710: 4709: 4704: 4703:Dinophysiales 4700: 4699: 4697: 4695: 4691: 4688: 4686: 4682: 4671: 4670: 4665: 4664:Voromonadidae 4662: 4659: 4658: 4653: 4650: 4649: 4647: 4645: 4641: 4634: 4633: 4628: 4627:Colpodellidae 4625: 4624: 4622: 4620: 4616: 4609: 4608: 4603: 4600: 4597: 4596: 4591: 4588: 4587: 4585: 4583: 4579: 4576: 4574: 4570: 4566: 4547: 4546: 4541: 4538: 4535: 4534: 4529: 4528: 4523: 4522: 4517: 4514: 4511: 4510: 4505: 4504: 4499: 4498: 4493: 4492: 4487: 4486: 4481: 4480: 4475: 4474:Lipotrophidae 4472: 4469: 4468: 4463: 4460: 4457: 4453: 4449: 4446: 4445: 4443: 4441: 4437: 4427: 4424: 4421: 4417: 4413: 4410: 4407: 4403: 4402:Stenophoridae 4399: 4395: 4391: 4387: 4383: 4379: 4375: 4371: 4367: 4363: 4362:Stenophoricae 4360: 4357: 4353: 4350: 4347: 4343: 4339: 4338:Hirmocystidae 4335: 4331: 4327: 4323: 4319: 4316: 4313: 4309: 4306: 4305: 4303: 4301: 4297: 4290: 4289: 4284: 4283:Siedleckiidae 4281: 4280: 4278: 4276: 4272: 4266: 4263: 4261: 4258: 4256: 4253: 4251: 4248: 4245: 4241: 4237: 4233: 4229: 4225: 4222: 4220: 4217: 4215: 4212: 4210: 4207: 4205: 4204:Diplocystidae 4202: 4200: 4197: 4195: 4192: 4191: 4189: 4187: 4183: 4180: 4178: 4174: 4167: 4166: 4161: 4160: 4159:Selenidioides 4155: 4154: 4149: 4148: 4147:Merogregarina 4143: 4140: 4137: 4136: 4131: 4128: 4127: 4125: 4123: 4119: 4116: 4113: 4112:Gregarinasina 4108: 4097: 4096: 4091: 4090: 4089:Myriosporides 4085: 4084:Myriosporidae 4082: 4079: 4078: 4073: 4070: 4067: 4066: 4061: 4060: 4055: 4052: 4049: 4048: 4043: 4042: 4037: 4036: 4031: 4028: 4025: 4024: 4019: 4016: 4015: 4013: 4011: 4007: 4000: 3999: 3994: 3991: 3990: 3988: 3986: 3982: 3967: 3966: 3961: 3960: 3955: 3954: 3949: 3948: 3943: 3942: 3937: 3936: 3931: 3928: 3925: 3924: 3919: 3918: 3913: 3912:Sarcocystinae 3910: 3909: 3907: 3905: 3904:Sarcocystidae 3901: 3895: 3892: 3890: 3887: 3885: 3882: 3879: 3878: 3873: 3872: 3867: 3866: 3861: 3858: 3855: 3854: 3849: 3846: 3844: 3841: 3839: 3836: 3834: 3831: 3829: 3826: 3823: 3822: 3817: 3816: 3815:Pseudoklossia 3811: 3810: 3805: 3804: 3799: 3798: 3793: 3792: 3787: 3784: 3783: 3780: 3777: 3775: 3771: 3764: 3763: 3758: 3755: 3752: 3751: 3746: 3745:Klossiellidae 3743: 3740: 3739: 3734: 3731: 3728: 3727: 3722: 3719: 3716: 3715: 3710: 3707: 3704: 3703: 3698: 3697: 3692: 3689: 3687: 3684: 3683: 3681: 3679: 3675: 3672: 3670: 3666: 3659: 3658: 3657:Rhytidocystis 3653: 3650: 3647: 3646: 3641: 3640:Gemmocystidae 3638: 3637: 3635: 3633: 3629: 3626: 3623: 3618: 3615: 3612: 3607: 3593: 3592: 3588: 3586: 3585: 3581: 3580: 3577: 3570: 3569: 3564: 3561: 3558: 3557: 3552: 3549: 3548: 3546: 3544: 3540: 3533: 3532: 3527: 3524: 3521: 3520: 3519:Leucocytozoon 3515: 3512: 3509: 3508: 3503: 3500: 3497: 3496: 3491: 3488: 3487: 3485: 3483: 3479: 3476: 3474: 3470: 3466: 3463: 3460: 3455: 3452: 3449: 3444: 3431: 3430: 3425: 3424:Colponemadida 3421: 3419: 3415: 3412: 3410: 3406: 3397: 3396: 3391: 3390: 3385: 3380: 3373: 3372: 3367: 3366: 3361: 3360:Karyorelictea 3358: 3355: 3354: 3349: 3348: 3347:Climacostomum 3343: 3342: 3337: 3336:Heterotrichea 3334: 3333: 3331: 3329: 3325: 3318: 3317: 3312: 3311: 3306: 3303: 3300: 3299: 3294: 3291: 3288: 3287: 3282: 3281: 3276: 3273: 3270: 3269: 3264: 3261: 3258: 3257: 3252: 3251: 3246: 3243: 3240: 3239: 3234: 3231: 3228: 3227: 3222: 3221: 3216: 3215: 3210: 3209: 3204: 3201: 3198: 3197: 3192: 3189: 3186: 3185: 3180: 3179:Muranotrichea 3177: 3174: 3173: 3168: 3167: 3162: 3159: 3156: 3155: 3150: 3147: 3144: 3143: 3138: 3135: 3132: 3131: 3126: 3123: 3122: 3120: 3118: 3114: 3111: 3109: 3105: 3096: 3095: 3090: 3089:Acavomonadida 3086: 3084: 3080: 3077: 3075: 3071: 3067: 3055: 3052: 3050: 3047: 3045: 3042: 3041: 3040: 3037: 3035: 3032: 3031: 3030: 3027: 3023: 3020: 3018: 3017:Stramenopiles 3015: 3013: 3010: 3008: 3005: 3001: 2998: 2997: 2996: 2993: 2992: 2991: 2988: 2986: 2983: 2980:(major groups 2978: 2976: 2973: 2971: 2968: 2966: 2963: 2960: 2956: 2955: 2951: 2947: 2943: 2939: 2932: 2927: 2925: 2920: 2918: 2913: 2912: 2909: 2897: 2894: 2892: 2889: 2887: 2884: 2882: 2881: 2877: 2875: 2874: 2870: 2868: 2867: 2863: 2861: 2860: 2856: 2854: 2853: 2849: 2847: 2844: 2842: 2841: 2837: 2835: 2834:Fission yeast 2832: 2830: 2829:Budding yeast 2827: 2825: 2824: 2820: 2818: 2817: 2816:Chlamydomonas 2813: 2811: 2810: 2806: 2804: 2801: 2800: 2797: 2793: 2789: 2781: 2776: 2774: 2769: 2767: 2762: 2761: 2758: 2752: 2749: 2747: 2746:image gallery 2745: 2740: 2737: 2733: 2731: 2727: 2725: 2723: 2719: 2717: 2715: 2711: 2709: 2705: 2703: 2699: 2697: 2696: 2691: 2689: 2687: 2683: 2681: 2680: 2675: 2673: 2671: 2667: 2666: 2655: 2651: 2646: 2641: 2636: 2631: 2627: 2623: 2619: 2614: 2610: 2606: 2602: 2598: 2593: 2588: 2585:(9): R317-8. 2584: 2580: 2576: 2571: 2567: 2561: 2556: 2555: 2548: 2547: 2533: 2529: 2523: 2515: 2511: 2507: 2503: 2499: 2495: 2487: 2479: 2475: 2470: 2465: 2460: 2455: 2451: 2447: 2443: 2436: 2428: 2424: 2419: 2414: 2410: 2406: 2402: 2398: 2395:(8): 102915. 2394: 2390: 2386: 2379: 2371: 2367: 2363: 2359: 2356:(6): 2.6.31. 2355: 2351: 2344: 2336: 2332: 2327: 2322: 2318: 2314: 2310: 2306: 2302: 2298: 2294: 2287: 2279: 2275: 2271: 2264: 2256: 2252: 2248: 2244: 2240: 2236: 2232: 2228: 2221: 2213: 2209: 2204: 2199: 2194: 2189: 2185: 2181: 2177: 2173: 2169: 2162: 2154: 2150: 2146: 2140: 2136: 2132: 2128: 2121: 2113: 2109: 2105: 2101: 2094: 2086: 2082: 2077: 2072: 2068: 2064: 2060: 2056: 2052: 2045: 2037: 2033: 2028: 2023: 2020:(3): 660–72. 2019: 2015: 2011: 2004: 1996: 1992: 1987: 1982: 1978: 1974: 1970: 1966: 1962: 1955: 1947: 1943: 1938: 1933: 1929: 1925: 1921: 1917: 1913: 1906: 1897: 1889: 1885: 1880: 1875: 1871: 1867: 1863: 1859: 1855: 1848: 1840: 1836: 1832: 1828: 1824: 1820: 1813: 1805: 1801: 1796: 1791: 1787: 1783: 1780:(2): 233–67. 1779: 1775: 1771: 1764: 1756: 1752: 1748: 1744: 1740: 1736: 1732: 1730: 1721: 1713: 1709: 1704: 1699: 1694: 1689: 1685: 1681: 1678:(8): 2452–5. 1677: 1673: 1669: 1662: 1654: 1650: 1646: 1642: 1638: 1634: 1631:(1): 147–57. 1630: 1626: 1619: 1611: 1607: 1600: 1598: 1596: 1594: 1592: 1590: 1588: 1579: 1575: 1571: 1567: 1563: 1556: 1548: 1544: 1539: 1534: 1529: 1524: 1520: 1516: 1512: 1505: 1497: 1491: 1487: 1480: 1472: 1468: 1464: 1460: 1456: 1452: 1445: 1438: 1430: 1424: 1420: 1419: 1412: 1410: 1395: 1391: 1385: 1383: 1378: 1370: 1368: 1364: 1360: 1349: 1346: 1344: 1341: 1339: 1336: 1334: 1331: 1329: 1326: 1324: 1321: 1319: 1316: 1314: 1311: 1309: 1306: 1304: 1301: 1299: 1296: 1294: 1291: 1289: 1286: 1284: 1281: 1279: 1276: 1274: 1271: 1269: 1266: 1264: 1261: 1259: 1256: 1254: 1251: 1249: 1246: 1244: 1241: 1239: 1236: 1234: 1231: 1229: 1226: 1224: 1221: 1219: 1216: 1214: 1211: 1209: 1206: 1204: 1201: 1199: 1196: 1194: 1191: 1189: 1186: 1184: 1181: 1179: 1176: 1174: 1171: 1169: 1166: 1164: 1161: 1159: 1156: 1154: 1151: 1149: 1146: 1144: 1141: 1139: 1136: 1134: 1131: 1129: 1126: 1124: 1121: 1119: 1116: 1115: 1114: 1106: 1104: 1100: 1095: 1090: 1085: 1076: 1074: 1070: 1066: 1061: 1059: 1055: 1051: 1047: 1043: 1039: 1035: 1031: 1027: 1022: 1020: 1016: 1011: 1007: 1003: 999: 995: 991: 987: 983: 979: 975: 965: 963: 958: 954: 950: 946: 941: 936: 934: 930: 925: 920: 918: 913: 909: 905: 901: 897: 896: 891: 890: 884: 882: 878: 874: 870: 866: 861: 857: 853: 844: 841: 831: 829: 825: 821: 817: 813: 809: 805: 801: 798: 794: 790: 787: 782: 780: 776: 772: 771: 766: 761: 759: 748: 745: 740: 738: 734: 724: 722: 716: 709: 704: 700: 697: 692: 690: 686: 682: 673: 668: 666: 661: 651: 648: 640: 629: 626: 622: 619: 615: 612: 608: 605: 601: 598: â€“  597: 596:"Tetrahymena" 593: 592:Find sources: 586: 582: 576: 575: 570:This article 568: 564: 559: 558: 547: 542: 535: 531: 527: 524: 521: 517: 513: 510: 507: 503: 500: 499: 494: 490: 487: 486: 481: 480: 475: 472: 469: 468: 463: 462: 457: 454: 453: 448: 447:motor protein 444: 440: 437: 433: 432: 431: 429: 424: 422: 418: 414: 410: 408: 404: 400: 396: 392: 387: 385: 381: 377: 373: 369: 365: 362: 359:and a small, 358: 355: 351: 347: 343: 342: 337: 329: 325: 321: 314: 309: 307: 306: 305:T. pyriformis 301: 300: 295: 291: 287: 285: 281: 276: 274: 270: 267: 263: 259: 258: 249: 248: 244: 241: 240: 237: 234: 231: 230: 227: 224: 221: 220: 217: 214: 211: 210: 207: 204: 201: 200: 197: 194: 191: 188: 187: 184: 181: 178: 175: 174: 171: 168: 165: 162: 161: 158: 155: 152: 151: 146: 141: 137: 134: 130: 126: 121: 118: 114: 111: 103: 93: 89: 84: 80: 77:This article 75: 71: 66: 65: 56: 51: 47: 46: 41: 40: 35: 30: 21: 20: 5235: 5197:Platyproteum 5195: 5189: 5160: 5157:Chilovoridae 5135: 5101: 5095: 5089: 5083: 5077: 5039: 5033: 5021: 5009: 4971: 4961:Pronoctiluca 4959: 4947: 4930: 4927:Acrocoelidae 4907: 4903:Hematodinium 4901: 4898:Syndiniaceae 4891:Duboscquella 4889: 4877: 4848: 4845:Noctilucales 4825:Symbiodinium 4823: 4817: 4805: 4799: 4793: 4787: 4774:Prorocentrum 4772: 4760: 4754: 4751:Peridiniales 4742: 4736: 4724: 4718: 4712: 4706: 4667: 4655: 4644:Voromonadida 4630: 4619:Colpodellida 4605: 4602:Vitrellaceae 4593: 4590:Chromeraceae 4573:Apicomonadea 4543: 4533:Schizocystis 4531: 4525: 4521:Lymphotropha 4519: 4507: 4501: 4495: 4489: 4485:Farinocystis 4483: 4477: 4465: 4462:Gigaductidae 4390:Monoductidae 4356:Porosporidae 4352:Porosporicae 4334:Gregarinidae 4318:Gregarinicae 4286: 4260:Thiriotiidae 4255:Selenidiidae 4244:Zygocystinae 4228:Monocystinae 4224:Monocystidae 4186:Aseptatorina 4163: 4157: 4151: 4145: 4133: 4093: 4087: 4075: 4063: 4057: 4045: 4041:Defretinella 4039: 4033: 4023:Angeiocystis 4021: 3996: 3963: 3957: 3951: 3947:Hyaloklossia 3945: 3939: 3933: 3921: 3915: 3875: 3869: 3863: 3851: 3833:Barrouxiidae 3819: 3813: 3807: 3801: 3795: 3789: 3786:Aggregatidae 3760: 3757:Legerellidae 3748: 3736: 3733:Karyolysidae 3724: 3721:Hepatozoidae 3712: 3700: 3694: 3655: 3643: 3589: 3582: 3566: 3563:Theileriidae 3554: 3543:Piroplasmida 3529: 3526:Plasmodiidae 3517: 3507:Haemoproteus 3505: 3493: 3473:Aconoidasida 3427: 3418:Colponemadea 3409:Colponemidia 3393: 3387: 3369: 3363: 3351: 3345: 3339: 3314: 3308: 3305:Spirotrichea 3296: 3293:Protocruziea 3284: 3278: 3266: 3254: 3250:Chilodonella 3248: 3236: 3224: 3219: 3218: 3212: 3206: 3194: 3182: 3170: 3164: 3161:Litostomatea 3152: 3140: 3128: 3092: 3083:Acavomonadea 3074:Acavomonidia 3039:Opisthokonta 2878: 2871: 2864: 2857: 2850: 2838: 2822: 2821: 2814: 2807: 2803:Lambda phage 2743: 2729: 2724:genome paper 2721: 2713: 2701: 2694: 2685: 2678: 2669: 2625: 2622:PLOS Biology 2621: 2582: 2578: 2553: 2531: 2522: 2497: 2493: 2486: 2449: 2445: 2435: 2392: 2388: 2378: 2353: 2349: 2343: 2300: 2296: 2286: 2269: 2263: 2230: 2226: 2220: 2175: 2171: 2161: 2126: 2120: 2103: 2099: 2093: 2058: 2054: 2044: 2017: 2013: 2003: 1968: 1964: 1954: 1919: 1915: 1905: 1896: 1861: 1857: 1847: 1822: 1818: 1812: 1777: 1773: 1763: 1738: 1734: 1728: 1720: 1675: 1671: 1661: 1628: 1624: 1618: 1609: 1561: 1555: 1518: 1515:PLOS Biology 1514: 1504: 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Retrieved 1393: 1357: 1354:In education 1112: 1102: 1098: 1093: 1088: 1083: 1082: 1072: 1068: 1064: 1062: 1057: 1053: 1049: 1045: 1041: 1037: 1033: 1029: 1025: 1023: 1018: 1014: 1009: 1005: 1001: 997: 993: 989: 985: 981: 977: 973: 971: 961: 956: 952: 948: 944: 939: 937: 932: 928: 923: 921: 916: 908:hypoxanthine 899: 898:, and other 893: 887: 885: 880: 877:T. paravorax 876: 872: 868: 864: 859: 855: 851: 850: 839: 837: 819: 803: 796: 792: 783: 778: 768: 764: 763:Exposure of 762: 757: 754: 743: 741: 737:chemokinesis 732: 730: 720: 717: 713: 707: 695: 693: 680: 678: 667:conjugation. 664: 663: 643: 637:October 2021 634: 624: 617: 610: 603: 591: 579:Please help 574:verification 571: 545: 496: 483: 477: 465: 459: 450: 443:cytoskeleton 427: 425: 417:mating types 412: 411: 406: 402: 390: 388: 375: 367: 364:micronucleus 357:macronucleus 354:non-germline 340: 339: 333: 327: 312: 303: 297: 289: 288: 277: 256: 255: 254: 246: 245: 189: 176: 163: 132: 116: 110: 100:October 2021 97: 88:You can help 78: 54: 43: 37: 5340:iNaturalist 5280:Tetrahymena 5266:Tetrahymena 5260:Wikispecies 5236:Tetrahymena 5149:Chilovorida 5132:Algovoridae 5115:Myzomonadea 5085:Ellobiopsis 5066:Ellobiopsea 5041:Rastrimonas 5023:Phagodinium 5018:Phagodinida 5006:Perkinsidae 4989:Perkinsozoa 4968:Psammosidae 4879:Amoebophyra 4870:Syndiniales 4807:Karlodinium 4795:Gymnodinium 4789:Amphidinium 4694:Dinokaryota 4540:Syncystidae 4527:Machadoella 4386:Leidyanidae 4342:Metameridae 4300:Septatorina 4265:Urosporidae 4219:Lecudinidae 4214:Ganymedidae 4077:Mackinnonia 4059:Coelotropha 4035:Coelotropha 3985:Ixorheorida 3923:Sarcocystis 3774:Eimeriorina 3702:Dactylosoma 3696:Babesiosoma 3645:Gemmocystis 3611:Conoidasida 3591:Nephromyces 3459:Apicomplexa 3353:Blepharisma 3316:Stylonychia 3298:Protocruzia 3275:Prostomatea 3263:Plagiopylea 3220:Tetrahymena 3191:Nassophorea 3184:Muranothrix 3166:Balantidium 2852:Arabidopsis 2823:Tetrahymena 2744:Tetrahymena 2732:experiments 2730:Tetrahymena 2695:Tetrahymena 2686:Tetrahymena 2679:Tetrahymena 2670:Tetrahymena 2628:(9): e286. 1825:(1): 61–6. 1729:Tetrahymena 1099:Tetrahymena 1058:Tetrahymena 1006:Tetrahymena 900:Tetrahymena 869:Tetrahymena 840:Tetrahymena 789:recombinase 744:Tetrahymena 733:Tetrahymena 708:Tetrahymena 665:Tetrahymena 546:Tetrahymena 530:stop codons 509:acetylation 467:peroxisomes 428:Tetrahymena 426:Studies on 407:Tetrahymena 391:Tetrahymena 384:microtubule 376:Tetrahymena 368:Tetrahymena 328:Tetrahymena 290:Tetrahymena 266:unicellular 257:Tetrahymena 247:Tetrahymena 117:Tetrahymena 5437:Categories 5191:Filipodium 5186:Squirmidae 5178:Squirmidea 5124:Algovorida 4932:Acrocoelus 4837:Noctilucea 4814:Suessiales 4762:Peridinium 4756:Pfiesteria 4714:Histioneis 4708:Dinophysis 4657:Alphamonas 4632:Colpodella 4582:Chromerida 4509:Menzbieria 4497:Lipocystis 4491:Lipotropha 4467:Gigaductus 4394:Monoicidae 4312:Fusionidae 4308:Fusionicae 4288:Siedleckia 4165:Veloxidium 4135:Exoschizon 4095:Myriospora 4054:Grelliidae 3993:Ixorheidae 3965:Toxoplasma 3865:Cyclospora 3860:Eimeriidae 3803:Merocystis 3797:Grasseella 3750:Klossiella 3738:Karyolysus 3726:Hepatozoon 3678:Adeleorina 3551:Babesiidae 3531:Plasmodium 3395:Myrionecta 3389:Mesodinium 3384:Mesodiniea 3268:Plagiopyla 3226:Vorticella 3214:Paramecium 3125:Armophorea 3108:Ciliophora 3094:Acavomonas 2873:Drosophila 2866:C. elegans 2840:Neurospora 2452:(1): 133. 2272:(Thesis). 1399:2021-10-16 1373:References 889:Paramecium 873:T. paulina 828:eukaryotes 751:DNA repair 607:newspapers 553:Life cycle 485:telomerase 436:cell cycle 421:stochastic 284:pathogenic 269:eukaryotes 206:Ciliophora 5162:Chilovora 5011:Perkinsus 4998:Perkinsea 4909:Syndinium 4850:Noctiluca 4819:Polarella 4744:Gonyaulax 4726:Oxyphysis 4669:Voromonas 4545:Syncystis 4479:Apicystis 3941:Hammondia 3935:Besnoitia 3917:Frenkelia 3791:Aggregata 3762:Legerella 3686:Adeleidae 3568:Theileria 3490:Garniidae 3429:Colponema 3286:Holophrya 3256:Tokophrya 3034:Amoebozoa 3012:Alveolata 3000:Cryptista 2975:Eukaryota 2946:Alveolata 2938:Eukaryota 2886:Zebrafish 2514:208584362 2278:304234889 1819:BioEssays 1578:179307103 1361:offers a 895:Colpidium 534:glutamine 479:telomeres 461:lysosomes 423:process. 395:enzymatic 344:exhibits 336:protozoan 324:ÎČ-tubulin 196:Alveolata 157:Eukaryota 92:talk page 5251:Q1198419 5245:Wikidata 5137:Algovora 4973:Psammosa 4949:Oxyrrhis 4862:Syndinea 4738:Ceratium 4503:Mattesia 4366:Acutidae 3998:Ixorheis 3959:Neospora 3877:Isospora 3821:Selysina 3622:Coccidia 3310:Euplotes 3172:Dileptus 3149:Colpodea 3029:Amorphea 3007:Rhizaria 2995:Hacrobia 2985:Excavata 2970:Bacteria 2792:genetics 2654:16933976 2609:11738486 2601:15886083 2478:17683620 2427:34430806 2389:iScience 2370:26104448 2335:29687579 2274:ProQuest 2255:21981461 2247:11199495 2212:10860998 2153:11804037 2085:23935123 2036:24336924 1995:10747055 1965:Genetics 1888:27226383 1653:14787080 1547:23555191 1471:27539329 962:T. vorax 957:SUBII-TG 953:T. vorax 949:SUBII-TG 945:SUBII-TG 940:SUBII-TG 933:SUBII-TG 929:T. vorax 924:T. vorax 917:T. vorax 881:T. vorax 865:T. vorax 860:T. vorax 856:T. vorax 852:T. vorax 727:Behavior 520:tubulins 498:ribozyme 449:such as 389:Because 361:germline 262:ciliates 232:Family: 202:Phylum: 153:Domain: 5407:8001918 5358:1020273 5332:3204866 4801:Karenia 4065:Grellia 3871:Eimeria 3809:Ovivora 3556:Babesia 3448:Myzozoa 3365:Loxodes 3341:Stentor 3196:Nassula 3154:Colpoda 3130:Metopus 3044:Animals 2965:Archaea 2880:Xenopus 2809:E. coli 2645:1557398 2469:1997130 2418:8367785 2397:Bibcode 2326:6117198 2305:Bibcode 2180:Bibcode 2076:3814389 1986:1461009 1946:9628914 1879:4892268 1839:1546982 1804:8078435 1755:1538642 1712:3921962 1680:Bibcode 1645:6297745 1538:3608545 1394:eol.org 904:ferrous 816:meiosis 812:mitosis 810:during 672:zygotic 621:scholar 506:histone 403:in vivo 242:Genus: 222:Order: 212:Class: 50:Discuss 5420:416056 5391:NZOR: 5345:335397 5319:1TETHG 3495:Garnia 3280:Coleps 3022:Plants 2959:Domain 2786:Major 2652:  2642:  2607:  2599:  2562:  2512:  2476:  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Index

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Tetrahymena thermophila
Tetrahymena pyriformis
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Scientific classification
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Eukaryota
Diaphoretickes
SAR
Alveolata
Ciliophora
Oligohymenophorea
Hymenostomatida
Tetrahymenidae
Tetrahymena
ciliates
unicellular
eukaryotes
phylum
commensalistic
pathogenic
model organisms
T. thermophila
T. pyriformis

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