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Streptococcus pneumoniae

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926: 740:, changing between transparent and opaque colony phenotypes. The transparent phenotype has a thinner capsule and expresses large amounts of phosphorylcholine (ChoP) and choline-binding protein A (CbpA), contributing to the bacteria's ability to adhere and colonize in the nasopharynx. The opaque phenotype is characterized by a thicker capsule, resulting in increased resistance to host clearance. It expresses large amounts of capsule and pneumococcal surface protein A (PspA) which help the bacteria survive in the blood. Phase-variation between these two phenotypes allows 335: 44: 65: 914: 806:-independent immunity and requires revaccination 5 years after the first vaccination because of its temporary nature. PCV13 was developed when determining its low efficacy in children and infants. PCV13 elicits a T-cell-dependent response and provides enduring immunity by promoting interaction between 801:
Currently, there are two vaccines available for S. pneumoniae: the pneumococcal polysaccharide vaccine (PPV23) and the pneumococcal conjugate vaccine (PCV13). PPV23 functions by utilizing CPS to stimulate the production of type-specific antibodies, initiating processes such as complement activation,
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and is commonly attached to the peptidoglycan of the cell wall. It consists of a viscous substance derived from a high-molecular-weight polymer composed of repeating oligosaccharide units linked by covalent bonds to the cell wall. The virulence and invasiveness of various strains of
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diseases which include symptoms such as fever and chills, cough, rapid breathing, difficulty breathing, and chest pain. For the elderly, they may include confusion, low alertness, and the former listed symptoms to a lesser degree.
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recommends routine childhood pneumococcal vaccination; it is incorporated into the childhood immunization schedule in a number of countries including the United Kingdom, the United States, Greece,and South Africa.
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to repair oxidative DNA damage in its genome caused by this host defense likely contributes to the pathogen's virulence. Consistent with this premise, Li et al. reported that, among different highly transformable
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of possible bacterial infection in cases with no specifically requested targets (non-bacteria, mycobacteria etc.), with most common situations and agents seen in a New England community hospital setting.
1670:"Studies on the chemical nature of the substance inducing transformation of pneumococcal types: induction of transformation by a desoxyribonucleic acid fraction isolated from pneumococcus type III" 572:
Natural bacterial transformation involves the transfer of DNA from one bacterium to another through the surrounding medium. Transformation is a complex developmental process requiring
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have been harnessed for a range of applications in biotechnology. Through engineering of surface molecules from this bacterium, proteins can be irreversibly linked using the
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In 1881, the organism, known later in 1886 as the pneumococcus for its role as a cause of pneumonia, was first isolated simultaneously and independently by the U.S. Army
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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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opsonization, and phagocytosis to combat bacterial infections. It elicits a humoral immune response targeting the CPS present on the bacterial surface. PPSV23 offers
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The capsular polysaccharide (CPS) serves as a critical defense mechanism against the host immune system. It composes the outermost layer of encapsulated strains of
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Pneumococcal meningitis is an infection of the tissue covering the brain and spinal cord. Symptoms include stiff neck, fever, headache, confusion, and
2592:"Inhibitory and Bactericidal Effects of Hydrogen Peroxide Production by Streptococcus pneumoniae on Other Inhabitants of the Upper Respiratory Tract" 1585: 4043: 3105: 3053: 1487:(30 April 1881). "A fatal form of septicaemia in the rabbit produced by the subcutaneous injection of human saliva. An experimental research". 3081: 4153: 4082: 421:
vary according to their serotypes, determined by their chemical composition and the quantity of CPS they produce. Variations among different
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Claverys JP, Prudhomme M, Martin B (2006). "Induction of competence regulons as a general response to stress in gram-positive bacteria".
3098: 2250: 1039:). In 2015, in the US, there were an estimated 30,000 cases, and in 30% of them the strains were resistant to one or more antibiotics. 1053: 2124:
Loughran AJ, Orihuela CJ, Tuomanen EI (2019-04-12). Fischetti VA, Novick RP, Ferretti JJ, Portnoy DA, Braunstein M, Rood JI (eds.).
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of life turning harmless pneumococcus into a lethal form by co-inoculating the live pneumococci into a mouse along with heat-killed
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is generally made based on clinical suspicion along with a positive culture from a sample from virtually any place in the body.
1593: 1461: 1086: 4061: 3523: 2541:"Structural Analysis of a Family 101 Glycoside Hydrolase in Complex with Carbohydrates Reveals Insights into Its Mechanism" 982: 3413: 643:. On the basis of these findings, they suggested that transformation is an adaptation for repairing oxidative DNA damage. 4133: 1200:
van de Beek D, de Gans J, Tunkel AR, Wijdicks EF (5 January 2006). "Community-Acquired Bacterial Meningitis in Adults".
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Paton JC, Trappetti C (2019-04-12). Fischetti VA, Novick RP, Ferretti JJ, Portnoy DA, Braunstein M, Rood JI (eds.).
1997:"Addiction of Hypertransformable Pneumococcal Isolates to Natural Transformation for In Vivo Fitness and Virulence" 627:
against the bactericidal effect of mitomycin C. Michod et al. summarized evidence that induction of competence in
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and by auto inoculation in persons carrying the bacteria in their upper respiratory tracts. It can be a cause of
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have enabled the development of robust and reliable molecular methods for the detection and identification of
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Nikghalb, Kevyan D. (2018). "Expanding the Scope of Sortase-Mediated Ligations by Using Sortase Homologues".
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isolates, nasal colonization fitness and virulence (lung infectivity) depend on an intact competence system.
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Block SL, Harrison CJ, Hedrick JA, Tyler RD, Smith RA, Keegan E, Chartrand SA (1995). "Penicillin-resistant
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is mentioned at gram stain near top right, and again in the alpha-hemolytic workflow in lower left quadrant.
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resides asymptomatically in healthy carriers typically colonizing the respiratory tract, sinuses, and
4158: 4097: 3317: 2744:"Optochin Resistance in Streptococcus pneumoniae: Mechanism, Significance, and Clinical Implications" 2181: 1766:
van der Poll T, Opal SM (2009). "Pathogenesis, treatment, and prevention of pneumococcal pneumonia".
1048: 794: 580:, at least 23 genes are required for transformation. For a bacterium to bind, take up, and recombine 493: 3057: 1295: 1102: 3797: 3791: 3498: 3358: 1581:
Medical Illuminations: Using Evidence, Visualization and Statistical Thinking to Improve Healthcare
1343:"Purification of Capsular Polysaccharides of Streptococcus pneumoniae: Traditional and New Methods" 711: 513: 350: 241:
and spread to other locations to cause disease. It spreads by direct person-to-person contact via
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Koiuszko S, Bialucha A, Gospodarek E (2007). "The drug susceptibility of penicillin-resistant
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uses hydrogen peroxide as a virulence factor. However, in a study adding both bacteria to the
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in acute otitis media: risk factors, susceptibility patterns and antimicrobial management".
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Pericone, Christopher D., Overweg, Karin, Hermans, Peter W. M., Weiser, Jeffrey N. (2000).
2493: 1882: 957: 827: 780: 209: 106: 3062:(12th ed.). Washington DC: Public Health Foundation. pp. 233–248. Archived from 2301: 334: 8: 3423: 3383: 3233: 3136: 3063: 2141: 1311: 505: 242: 4074: 3046: 3002: 2497: 4148: 3721: 3604: 2818: 2775: 2716: 2689: 2665: 2640: 2567: 2540: 2516: 2481: 2462: 2414: 2379: 2352: 2327: 2158: 2125: 2101: 2066: 2021: 1996: 1995:
Li G, Liang Z, Wang X, Yang Y, Shao Z, Li M, Ma Y, Qu F, Morrison DA, Zhang JR (2016).
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Sepsis is caused by overwhelming response to an infection and leads to tissue damage,
4105: 3991: 3893: 3624: 3448: 3418: 2984: 2953: 2949: 2914: 2910: 2875: 2830: 2822: 2783: 2767: 2721: 2670: 2621: 2572: 2521: 2454: 2419: 2401: 2357: 2214: 2163: 2145: 2106: 2088: 2026: 1977: 1927: 1922: 1905: 1886: 1842: 1783: 1748: 1699: 1650: 1589: 1557: 1506:(1881). "Sur une maladie nouvelle provoquée par la salive d'un enfant mort de rage". 1457: 1409: 1382: 1364: 1323: 1315: 1276: 1225: 1217: 1182: 1174: 1082: 942: 878: 715: 704: 700: 685: 374: 234: 2607: 2466: 2302:"Critical decline in pneumococcal disease and antibiotic resistance in South Africa" 1939: 1811:"Genome Sequencing Reveals a Large and Diverse Repertoire of Antimicrobial Peptides" 1795: 520:, as was widely believed at the time, but DNA. Avery's work marked the birth of the 3996: 3845: 2945: 2906: 2865: 2814: 2803:"Detection of "Xisco" gene for identification of Streptococcus pneumoniae isolates" 2757: 2711: 2701: 2660: 2652: 2611: 2603: 2562: 2552: 2511: 2501: 2446: 2409: 2391: 2347: 2339: 2153: 2137: 2096: 2078: 2016: 2008: 1969: 1917: 1878: 1832: 1822: 1775: 1738: 1730: 1689: 1681: 1640: 1632: 1547: 1539: 1439: 1372: 1354: 1307: 1266: 1256: 1209: 1164: 681: 632: 545: 390: 308: 220: 116: 2897:
by children in day-care centers during an intervention program in Malmo, Sweden".
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Wang J, Li JW, Li J, Huang Y, Wang S, Zhang JR (2020-03-18). Wessels MR (ed.).
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Rezaei Javan R, Van Tonder A, King J, Harrold C, Brueggemann A (August 2018).
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is a closed, circular DNA structure that contains between 2.0 and 2.1 million
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Resistant pneumococcal strains are called penicillin-resistant pneumococci (
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can be found in the human upper respiratory system. A study of competition
616: 612: 561: 501: 430: 320: 312: 292: 3051: 2957: 2656: 1752: 556:, which contribute to virulence and 176 genes that maintain a noninvasive 3963: 3908: 3683: 3653: 2012: 1906:"Competence increases survival during stress in Streptococcus pneumoniae" 1685: 1213: 1151:
Baucells B, Mercadal Hally M, Álvarez Sánchez A, Figueras Aloy J (2015).
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played a central role in demonstrating that genetic material consists of
434: 316: 230: 2870: 2849: 2779: 2641:"Dual Role of Hydrogen Peroxide as an Oxidant in Pneumococcal Pneumonia" 4035: 3983: 3836: 3821: 3810: 3673: 3554: 3482: 3327: 3301: 3127: 1443: 990: 975: 697: 640: 604: 585: 464: 402: 324: 300: 280: 260: 201: 2800: 2328:"The role of vaccination in preventing pneumococcal disease in adults" 1242: 968:
gene was recently described as a biomarker for PCR-based detection of
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and increased expression of the RecA protein, a key component of the
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Salvà-Serra F, Connolly G, Moore ER, Gonzales-Siles L (2017-12-15).
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survives; further analysis showed that neutrophils exposed to dead
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and T cells, leading to an enhanced and prolonged immune response.
689: 497: 394: 354: 284: 238: 237:, such as the elderly and young children, the bacterium may become 76: 3978: 3727: 3610: 3150: 2251:"Pneumococcal Vaccination: Information for Health Care Providers" 1808: 823: 790: 517: 382: 96: 2893:
Nilsson P, Laurell MH (2001). "Carriage of penicillin-resistant
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and leucomelone possess antibacterial activity, inhibiting the
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have been developed to protect against invasive infection. The
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enzyme or using the SnoopTag/SnoopCatcher reaction. Various
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Epidemiology and Prevention of Vaccine-Preventable Diseases
2126:"Streptococcus pneumoniae : Invasion and Inflammation" 953:
sensitive, although optochin resistance has been observed.
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Siemieniuk RA, Gregson, Dan B., Gill, M. John (Nov 2011).
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Aliberti S, Mantero M, Mirsaeidi M, Blasi F (May 2014).
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The recent advances in next-generation sequencing and
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PATH's Vaccine Resource Library pneumococcal resources
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from 1920 because of its characteristic appearance in
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bacteria have a distinctive morphology on Gram stain,
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can also be distinguished based on its sensitivity to
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and is dependent on expression of numerous genes. In
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in the late 19th century, and is the subject of many
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Lysenko ES, Ratner AJ, Nelson AL, Weiser JN (2005).
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has been a significant cause of infection, and both
3052:Centers for Disease Control and Prevention (2012). 2742:Pikis A, Campos JM, Rodriguez WJ, Keith JM (2001). 2436: 2373: 2371: 1667: 2479: 1508:Comptes Rendus de l'Académie des Sciences de Paris 1296:"Streptococcus pneumoniae Capsular Polysaccharide" 972:and differentiation from closely related species. 4125: 2368: 2200:"Pneumococcal vaccines WHO position paper--2012" 1765: 279:. These invasive pneumococcal diseases include 1994: 1953:Michod RE, Bernstein H, Nedelcu AM (May 2008). 1408:, Treasure Island (FL): StatPearls Publishing, 1340: 54:in spinal fluid. FA stain (digitally colored). 3056:. In Atkinson W, Wolfe S, Hamborsky J (eds.). 2892: 2807:Diagnostic Microbiology and Infectious Disease 2538: 1955:"Adaptive value of sex in microbial pathogens" 1903: 1430: 1428: 1293: 1236: 3106: 2064: 2060: 2058: 1347:Frontiers in Bioengineering and Biotechnology 512:demonstrated that the transforming factor in 2847: 2638: 1988: 1609: 744:to survive in different human body systems. 373:, the so-called "bile solubility test". The 1716: 1425: 1399: 785:Due to the importance of disease caused by 631:is associated with increased resistance to 233:. However, in susceptible individuals with 208:and are non motile. As a significant human 3113: 3099: 2377: 2186:Centers for Disease Control and Prevention 2055: 1568: 596:is induced by DNA-damaging agents such as 393:for the organism; more than 100 different 42: 2869: 2841: 2761: 2715: 2705: 2664: 2615: 2566: 2556: 2515: 2505: 2413: 2395: 2351: 2157: 2100: 2082: 2020: 1921: 1836: 1826: 1742: 1693: 1644: 1551: 1483: 1477: 1376: 1358: 1270: 1260: 1168: 1054:Pneumococcal Awareness Council of Experts 271:. The organism also causes many types of 2938:The Pediatric Infectious Disease Journal 2899:The Pediatric Infectious Disease Journal 1904:Engelmoer DJ, Rozen DE (December 2011). 1668:Avery OT, MacLeod CM, McCarty M (1944). 1621:"The Significance of Pneumococcal Types" 1615: 1489:Bulletin of the National Board of Health 1341:Morais V, Dee V, Suárez N (2018-10-12). 924: 912: 747: 333: 3390:Cutaneous Streptococcus iniae infection 3079:- the Bacterial Diversity Metadatabase 2192: 1502: 1496: 1076: 1007:Pneumococcal infection § Treatment 474:in 1974 because it was very similar to 14: 4126: 2977:Medycyna Doswiadczalna I Mikrobiologia 2225: 1883:10.1146/annurev.micro.60.080805.142139 1574: 1070: 3930: 3929: 3094: 917:Optochin sensitivity in a culture of 397:are known, and these types differ in 4154:Polysaccharide encapsulated bacteria 4098:5ad242c7-8276-415a-b117-5318292d35a9 3524:Staphylococcal scalded skin syndrome 2142:10.1128/microbiolspec.GPP3-0004-2018 2043: 1312:10.1128/microbiolspec.GPP3-0019-2018 983:enoyl-acyl carrier protein reductase 752:Pneumonia is the most common of the 263:in children and the elderly, and of 2332:Clinical Microbiology and Infection 1584:. Oxford University Press. p.  1526:Winslow, C., J. Broadhurst (1920). 1193: 215:was recognized as a major cause of 24: 2848:Zheng CJ, Sohn MJ, Kim WG (2006). 2819:10.1016/j.diagmicrobio.2017.12.003 2749:The Journal of Infectious Diseases 2539:Gregg, Katie J (16 October 2015). 2233:"Children to be given new vaccine" 901:were more aggressive in attacking 338:S.pneumoniae growth on blood agar. 200:cells are usually found in pairs ( 25: 4170: 3760:Clostridial necrotizing enteritis 3023: 2378:Brooks LR, Mias GI (2018-06-22). 567: 2950:10.1097/00006454-199509000-00005 2911:10.1097/00006454-200112000-00010 1923:10.1111/j.1558-5646.2011.01402.x 813: 425:strains significantly influence 385:-shaped diplococci. They have a 63: 3365:Group B streptococcal infection 3313:Group A streptococcal infection 2995: 2964: 2925: 2886: 2794: 2735: 2632: 2608:10.1128/IAI.68.7.3990-3997.2000 2583: 2545:Journal of Biological Chemistry 2532: 2473: 2430: 2319: 2294: 2273: 2243: 2174: 2117: 2037: 1946: 1897: 1862: 1853: 1802: 1759: 1710: 1661: 1519: 1452:. Elsevier – Saunders. p.  1202:New England Journal of Medicine 345:can be differentiated from the 3054:"Ch. 16: Pneumococcal Disease" 1393: 1334: 1287: 1119: 1095: 1077:Ryan KJ, Ray CG, eds. (2004). 1059:Facultative anaerobic organism 881:. There is also evidence that 13: 1: 1780:10.1016/S0140-6736(09)61114-4 1064: 1000: 3903:Erysipelothrix rhusiopathiae 2707:10.1371/journal.ppat.0010001 2182:"Symptoms and Complications" 2084:10.1371/journal.ppat.1008417 1974:10.1016/j.meegid.2008.01.002 1400:Dion CF, Ashurst JV (2024), 1170:10.1016/j.anpedi.2015.07.038 1079:Sherris Medical Microbiology 908: 663: 649:polymorphonuclear leukocytes 548:. It has a core set of 1553 257:community acquired pneumonia 7: 2480:Veggiani, Gianluca (2014). 2213:(14): 129–44. Apr 6, 2012. 1544:10.1128/JB.5.3.191-229.1920 1042: 830:have also been cloned from 527: 437:' access to the cell wall. 10: 4175: 4134:Bacteria described in 1884 1735:10.1093/genetics/136.2.423 1402:"Streptococcus pneumoniae" 1103:"Streptococcus pneumoniae" 1004: 778: 774: 667: 623:. Transformation protects 440: 3938: 3892: 3844: 3835: 3808: 3774: 3738: 3697: 3681: 3672: 3635: 3592: 3544: 3507: 3496: 3481: 3437: 3404: 3375: 3343: 3318:Streptococcal pharyngitis 3292: 3283: 3221: 3193: 3184: 3173: 3158: 3149: 1815:Frontiers in Microbiology 1637:10.1017/S0022172400031879 1049:Transformation (genetics) 1033:Strepotococcus pneumoniae 834:to help analysis of cell 795:World Health Organization 522:molecular era of genetics 349:, some of which are also 165:(Klein 1884) Chester 1901 155: 148: 60:Scientific classification 58: 50: 41: 34: 4075:streptococcus-pneumoniae 3970:Streptococcus pneumoniae 3940:Streptococcus pneumoniae 3798:Pseudomembranous colitis 3792:Clostridioides difficile 3073:Streptococcus pneumoniae 2973:Streptococcus pneumoniae 2934:Streptococcus pneumoniae 2895:Streptococcus pneumoniae 2852:Streptococcus pneumoniae 2397:10.3389/fimmu.2018.01366 1828:10.3389/fmicb.2018.02012 1360:10.3389/fbioe.2018.00145 1262:10.1186/1471-2334-11-314 1025:Streptococcus pneumoniae 1017:Streptococcus pneumoniae 1015:), penicillin-resistant 936:Streptococcus pneumoniae 919:Streptococcus pneumoniae 675:Streptococcus pneumoniae 621:topoisomerase inhibitors 552:, plus 154 genes in its 482:Streptococcus pneumoniae 472:Streptococcus pneumoniae 459:The organism was termed 343:Streptococcus pneumoniae 253:Streptococcus pneumoniae 227:Streptococcus pneumoniae 174:Streptococcus pneumoniae 159:Streptococcus pneumoniae 36:Streptococcus pneumoniae 3749:Clostridium perfringens 3460:Urinary tract infection 2558:10.1074/jbc.M115.680470 2507:10.1073/pnas.1519214113 2384:Frontiers in Immunology 2344:10.1111/1469-0691.12518 1249:BMC Infectious Diseases 893:within two weeks, only 679:upper respiratory tract 639:machinery for removing 500:pneumococci. In 1944, 452:and the French chemist 389:capsule that acts as a 361:is optochin-sensitive. 273:pneumococcal infections 267:in those infected with 4139:Gram-positive bacteria 3855:Ureaplasma urealyticum 3648:Listeria monocytogenes 3352:bacitracin resistant, 3211:Pneumococcal infection 2858:Journal of Antibiotics 2451:10.1002/cbic.201700517 1446:(September 22, 2012). 1107:microbewiki.kenyon.edu 1027:penicillin resistant ( 939: 922: 877:by attacking it with 852:Haemophilus influenzae 844:Haemophilus influenzae 736:undergoes spontaneous 677:is part of the normal 670:Pneumococcal infection 637:recombinational repair 461:Diplococcus pneumoniae 339: 185:, spherical bacteria, 3876:Mycoplasma pneumoniae 3869:Mycoplasma genitalium 3708:Clostridium botulinum 3454:Enterococcus faecalis 3229:Viridans streptococci 2657:10.1089/ars.2019.7964 2645:Antioxid Redox Signal 2639:Mraheil, MA. (2021). 2130:Microbiology Spectrum 1300:Microbiology Spectrum 985:, (essential for the 928: 916: 748:Diseases and symptoms 647:infection stimulates 514:Griffith's experiment 347:viridans streptococci 337: 255:is the main cause of 235:weaker immune systems 3882:Mycoplasma pneumonia 3861:Ureaplasma infection 3571:novobiocin resistant 3529:Toxic shock syndrome 3468:Enterococcus faecium 2013:10.1128/IAI.00097-16 1871:Annu. Rev. Microbiol 1717:Lederberg J (1994). 1686:10.1084/jem.79.2.137 1214:10.1056/NEJMra052116 1031:) or drug-resistant 964:. For instance, the 958:comparative genomics 828:glycoside hydrolases 781:Pneumococcal vaccine 712:cell wall components 243:respiratory droplets 210:pathogenic bacterium 27:Species of bacterium 4144:Pathogenic bacteria 3814:(non-spore forming) 3424:Streptococcus bovis 3384:Streptococcus iniae 3132:Infectious diseases 2871:10.1038/ja.2006.108 2498:2016PNAS..113.1202V 1962:Infect. Genet. Evol 1157:Anales de Pediatría 247:neonatal infections 204:) and do not form 3722:Clostridium tetani 3605:Bacillus anthracis 3222:optochin resistant 3137:Bacterial diseases 3084:2020-04-20 at the 3035:2014-08-20 at the 2239:. 8 February 2006. 2207:Wkly Epidemiol Rec 1625:Journal of Hygiene 940: 923: 490:Frederick Griffith 340: 141:S. pneumoniae 4121: 4120: 4106:Open Tree of Life 3932:Taxon identifiers 3923: 3922: 3919: 3918: 3894:Anaeroplasmatales 3831: 3830: 3770: 3769: 3668: 3667: 3664: 3663: 3588: 3587: 3477: 3476: 3433: 3432: 3400: 3399: 3279: 3278: 3003:"Drug Resistance" 1774:(9700): 1543–56. 1595:978-0-19-966879-3 1463:978-1-4557-0090-5 1088:978-0-8385-8529-0 879:hydrogen peroxide 842:Interaction with 716:virulence factors 544:depending on the 470:. It was renamed 377:, Gram-positive, 170: 169: 16:(Redirected from 4166: 4159:Streptococcaceae 4114: 4113: 4101: 4100: 4091: 4090: 4078: 4077: 4065: 4064: 4052: 4051: 4039: 4038: 4026: 4025: 4013: 4012: 4000: 3999: 3987: 3986: 3974: 3973: 3972: 3959: 3958: 3957: 3927: 3926: 3846:Mycoplasmataceae 3842: 3841: 3822:Finegoldia magna 3695: 3694: 3679: 3678: 3577:S. saprophyticus 3505: 3504: 3494: 3493: 3290: 3289: 3191: 3190: 3182: 3181: 3171: 3170: 3156: 3155: 3115: 3108: 3101: 3092: 3091: 3067: 3018: 3017: 3015: 3013: 2999: 2993: 2992: 2968: 2962: 2961: 2929: 2923: 2922: 2890: 2884: 2883: 2873: 2845: 2839: 2838: 2798: 2792: 2791: 2765: 2739: 2733: 2729: 2719: 2709: 2685: 2679: 2678: 2668: 2636: 2630: 2629: 2619: 2602:(7): 3990–3997. 2587: 2581: 2580: 2570: 2560: 2551:(42): 25657–69. 2536: 2530: 2529: 2519: 2509: 2492:(5): 1202–1207. 2477: 2471: 2470: 2434: 2428: 2427: 2417: 2399: 2375: 2366: 2365: 2355: 2323: 2317: 2316: 2314: 2312: 2298: 2292: 2291: 2289: 2287: 2277: 2271: 2270: 2268: 2266: 2257:. Archived from 2247: 2241: 2240: 2229: 2223: 2222: 2204: 2196: 2190: 2189: 2178: 2172: 2171: 2161: 2121: 2115: 2114: 2104: 2086: 2062: 2053: 2052: 2050: 2041: 2035: 2034: 2024: 1992: 1986: 1985: 1959: 1950: 1944: 1943: 1925: 1901: 1895: 1894: 1866: 1860: 1857: 1851: 1850: 1840: 1830: 1806: 1800: 1799: 1763: 1757: 1756: 1746: 1714: 1708: 1707: 1697: 1665: 1659: 1658: 1648: 1619:(January 1928). 1613: 1607: 1606: 1604: 1602: 1572: 1566: 1565: 1555: 1523: 1517: 1515: 1500: 1494: 1492: 1481: 1475: 1474: 1472: 1470: 1432: 1423: 1422: 1421: 1420: 1397: 1391: 1390: 1380: 1362: 1338: 1332: 1331: 1291: 1285: 1284: 1274: 1264: 1240: 1234: 1233: 1197: 1191: 1190: 1172: 1148: 1142: 1141: 1139: 1137: 1123: 1117: 1116: 1114: 1113: 1099: 1093: 1092: 1074: 949:is, in general, 931:workup algorithm 818:Components from 633:oxidative stress 592:. Competence in 450:George Sternberg 405:, and extent of 391:virulence factor 309:septic arthritis 221:humoral immunity 161: 117:Streptococcaceae 68: 67: 46: 32: 31: 21: 4174: 4173: 4169: 4168: 4167: 4165: 4164: 4163: 4124: 4123: 4122: 4117: 4109: 4104: 4096: 4094: 4086: 4081: 4073: 4068: 4060: 4055: 4047: 4042: 4034: 4029: 4021: 4016: 4008: 4003: 3995: 3990: 3982: 3977: 3968: 3967: 3962: 3953: 3952: 3947: 3934: 3924: 3915: 3888: 3827: 3804: 3766: 3734: 3660: 3631: 3619:Bacillus cereus 3584: 3540: 3485: 3473: 3429: 3396: 3371: 3339: 3333:Rheumatic fever 3275: 3217: 3162: 3160:Lactobacillales 3145: 3119: 3086:Wayback Machine 3071:Type strain of 3037:Wayback Machine 3026: 3021: 3011: 3009: 3001: 3000: 2996: 2969: 2965: 2930: 2926: 2891: 2887: 2846: 2842: 2799: 2795: 2740: 2736: 2686: 2682: 2651:(34): 962–978. 2637: 2633: 2588: 2584: 2537: 2533: 2478: 2474: 2435: 2431: 2376: 2369: 2324: 2320: 2310: 2308: 2300: 2299: 2295: 2285: 2283: 2279: 2278: 2274: 2264: 2262: 2261:on 23 July 2016 2249: 2248: 2244: 2231: 2230: 2226: 2202: 2198: 2197: 2193: 2188:. 24 July 2023. 2180: 2179: 2175: 2122: 2118: 2077:(3): e1008417. 2063: 2056: 2048: 2042: 2038: 2007:(6): 1887–901. 1993: 1989: 1957: 1951: 1947: 1916:(12): 3475–85. 1902: 1898: 1867: 1863: 1858: 1854: 1807: 1803: 1764: 1760: 1715: 1711: 1666: 1662: 1614: 1610: 1600: 1598: 1596: 1573: 1569: 1524: 1520: 1501: 1497: 1482: 1478: 1468: 1466: 1464: 1433: 1426: 1418: 1416: 1398: 1394: 1339: 1335: 1292: 1288: 1241: 1237: 1198: 1194: 1149: 1145: 1135: 1133: 1125: 1124: 1120: 1111: 1109: 1101: 1100: 1096: 1089: 1081:. McGraw Hill. 1075: 1071: 1067: 1045: 1009: 1003: 911: 847: 816: 783: 777: 750: 738:phase variation 672: 666: 602:fluoroquinolone 570: 530: 443: 407:drug resistance 351:alpha-hemolytic 289:acute sinusitis 187:alpha-hemolytic 166: 163: 157: 144: 107:Lactobacillales 62: 28: 23: 22: 15: 12: 11: 5: 4172: 4162: 4161: 4156: 4151: 4146: 4141: 4136: 4119: 4118: 4116: 4115: 4102: 4092: 4079: 4066: 4053: 4040: 4027: 4014: 4001: 3988: 3975: 3960: 3944: 3942: 3936: 3935: 3921: 3920: 3917: 3916: 3914: 3913: 3912: 3911: 3898: 3896: 3890: 3889: 3887: 3886: 3885: 3884: 3872: 3865: 3864: 3863: 3850: 3848: 3839: 3833: 3832: 3829: 3828: 3826: 3825: 3817: 3815: 3806: 3805: 3803: 3802: 3801: 3800: 3787: 3785: 3777:Clostridioides 3772: 3771: 3768: 3767: 3765: 3764: 3763: 3762: 3757: 3744: 3742: 3736: 3735: 3733: 3732: 3731: 3730: 3718: 3717: 3716: 3703: 3701: 3692: 3676: 3670: 3669: 3666: 3665: 3662: 3661: 3659: 3658: 3657: 3656: 3643: 3641: 3633: 3632: 3630: 3629: 3628: 3627: 3625:Food poisoning 3615: 3614: 3613: 3600: 3598: 3590: 3589: 3586: 3585: 3583: 3582: 3581: 3580: 3568: 3567: 3566: 3563:S. epidermidis 3550: 3548: 3542: 3541: 3539: 3538: 3537: 3536: 3531: 3526: 3513: 3511: 3502: 3499:Staphylococcus 3491: 3479: 3478: 3475: 3474: 3472: 3471: 3464: 3463: 3462: 3445: 3443: 3435: 3434: 3431: 3430: 3428: 3427: 3416: 3410: 3408: 3402: 3401: 3398: 3397: 3395: 3394: 3393: 3392: 3379: 3377: 3373: 3372: 3370: 3369: 3368: 3367: 3349: 3347: 3341: 3340: 3338: 3337: 3336: 3335: 3330: 3325: 3320: 3315: 3298: 3296: 3287: 3281: 3280: 3277: 3276: 3274: 3273: 3265: 3258: 3251: 3244: 3237: 3225: 3223: 3219: 3218: 3216: 3215: 3214: 3213: 3200: 3198: 3188: 3179: 3168: 3153: 3147: 3146: 3144: 3143: 3134: 3118: 3117: 3110: 3103: 3095: 3089: 3088: 3068: 3066:on 2017-03-10. 3049: 3044: 3039: 3025: 3024:External links 3022: 3020: 3019: 2994: 2983:(4): 293–300. 2963: 2924: 2905:(12): 1144–9. 2885: 2864:(12): 808–12. 2840: 2813:(4): 248–250. 2793: 2763:10.1086/322803 2734: 2680: 2631: 2582: 2531: 2472: 2445:(7): 185–195. 2429: 2367: 2318: 2293: 2272: 2242: 2224: 2191: 2173: 2116: 2071:PLOS Pathogens 2054: 2036: 1987: 1945: 1896: 1861: 1852: 1801: 1758: 1709: 1680:(2): 137–158. 1660: 1631:(2): 113–159. 1608: 1594: 1567: 1538:(3): 191–229. 1518: 1495: 1476: 1462: 1424: 1392: 1333: 1286: 1235: 1192: 1163:(5): 247–255. 1143: 1127:"Transmission" 1118: 1094: 1087: 1068: 1066: 1063: 1062: 1061: 1056: 1051: 1044: 1041: 1005:Main article: 1002: 999: 910: 907: 849:Historically, 846: 840: 815: 812: 779:Main article: 776: 773: 749: 746: 722:colonizes the 714:are all major 668:Main article: 665: 662: 569: 568:Transformation 566: 529: 526: 510:Maclyn McCarty 494:transformation 442: 439: 433:by preventing 387:polysaccharide 297:conjunctivitis 189:member of the 168: 167: 164: 153: 152: 146: 145: 138: 136: 132: 131: 124: 120: 119: 114: 110: 109: 104: 100: 99: 94: 90: 89: 84: 80: 79: 74: 70: 69: 56: 55: 48: 47: 39: 38: 26: 9: 6: 4: 3: 2: 4171: 4160: 4157: 4155: 4152: 4150: 4147: 4145: 4142: 4140: 4137: 4135: 4132: 4131: 4129: 4112: 4107: 4103: 4099: 4093: 4089: 4084: 4080: 4076: 4071: 4067: 4063: 4058: 4054: 4050: 4045: 4041: 4037: 4032: 4028: 4024: 4019: 4015: 4011: 4006: 4002: 3998: 3993: 3989: 3985: 3980: 3976: 3971: 3965: 3961: 3956: 3950: 3946: 3945: 3943: 3941: 3937: 3933: 3928: 3910: 3907: 3906: 3905: 3904: 3900: 3899: 3897: 3895: 3891: 3883: 3880: 3879: 3878: 3877: 3873: 3871: 3870: 3866: 3862: 3859: 3858: 3857: 3856: 3852: 3851: 3849: 3847: 3843: 3840: 3838: 3834: 3824: 3823: 3819: 3818: 3816: 3813: 3812: 3807: 3799: 3796: 3795: 3794: 3793: 3789: 3788: 3786: 3783: 3779: 3778: 3773: 3761: 3758: 3756: 3753: 3752: 3751: 3750: 3746: 3745: 3743: 3741: 3737: 3729: 3726: 3725: 3724: 3723: 3719: 3715: 3712: 3711: 3710: 3709: 3705: 3704: 3702: 3700: 3696: 3693: 3690: 3686: 3685: 3680: 3677: 3675: 3671: 3655: 3652: 3651: 3650: 3649: 3645: 3644: 3642: 3640: 3639: 3634: 3626: 3623: 3622: 3621: 3620: 3616: 3612: 3609: 3608: 3607: 3606: 3602: 3601: 3599: 3597: 3596: 3591: 3579: 3578: 3574: 3573: 3572: 3569: 3565: 3564: 3560: 3559: 3558: 3556: 3552: 3551: 3549: 3547: 3543: 3535: 3532: 3530: 3527: 3525: 3522: 3521: 3520: 3519: 3515: 3514: 3512: 3510: 3506: 3503: 3501: 3500: 3495: 3492: 3489: 3484: 3480: 3470: 3469: 3465: 3461: 3458: 3457: 3456: 3455: 3450: 3447: 3446: 3444: 3442: 3441: 3436: 3426: 3425: 3420: 3417: 3415: 3412: 3411: 3409: 3407: 3403: 3391: 3388: 3387: 3386: 3385: 3381: 3380: 3378: 3374: 3366: 3363: 3362: 3361: 3360: 3359:S. agalactiae 3355: 3351: 3350: 3348: 3346: 3342: 3334: 3331: 3329: 3326: 3324: 3323:Scarlet fever 3321: 3319: 3316: 3314: 3311: 3310: 3309: 3308: 3304:susceptible: 3303: 3300: 3299: 3297: 3295: 3291: 3288: 3286: 3282: 3272: 3270: 3266: 3264: 3263: 3259: 3257: 3256: 3252: 3250: 3249: 3245: 3243: 3242: 3238: 3236: 3235: 3230: 3227: 3226: 3224: 3220: 3212: 3209: 3208: 3207: 3206: 3205:S. pneumoniae 3202: 3201: 3199: 3196: 3192: 3189: 3187: 3183: 3180: 3178: 3177: 3176:Streptococcus 3172: 3169: 3166: 3161: 3157: 3154: 3152: 3148: 3142: 3138: 3135: 3133: 3129: 3125: 3122: 3121: 3116: 3111: 3109: 3104: 3102: 3097: 3096: 3093: 3087: 3083: 3080: 3078: 3074: 3069: 3065: 3061: 3060: 3055: 3050: 3048: 3045: 3043: 3040: 3038: 3034: 3031: 3030:GAVI Alliance 3028: 3027: 3008: 3004: 2998: 2990: 2986: 2982: 2978: 2974: 2967: 2959: 2955: 2951: 2947: 2943: 2939: 2935: 2928: 2920: 2916: 2912: 2908: 2904: 2900: 2896: 2889: 2881: 2877: 2872: 2867: 2863: 2859: 2855: 2853: 2844: 2836: 2832: 2828: 2824: 2820: 2816: 2812: 2808: 2804: 2797: 2789: 2785: 2781: 2777: 2773: 2769: 2764: 2759: 2756:(5): 582–90. 2755: 2751: 2750: 2745: 2738: 2732: 2727: 2723: 2718: 2713: 2708: 2703: 2699: 2695: 2691: 2684: 2676: 2672: 2667: 2662: 2658: 2654: 2650: 2646: 2642: 2635: 2627: 2623: 2618: 2613: 2609: 2605: 2601: 2597: 2593: 2586: 2578: 2574: 2569: 2564: 2559: 2554: 2550: 2546: 2542: 2535: 2527: 2523: 2518: 2513: 2508: 2503: 2499: 2495: 2491: 2487: 2483: 2476: 2468: 2464: 2460: 2456: 2452: 2448: 2444: 2440: 2433: 2425: 2421: 2416: 2411: 2407: 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Immun 1998: 1991: 1983: 1979: 1975: 1971: 1968:(3): 267–85. 1967: 1963: 1956: 1949: 1941: 1937: 1933: 1929: 1924: 1919: 1915: 1911: 1907: 1900: 1892: 1888: 1884: 1880: 1876: 1872: 1865: 1856: 1848: 1844: 1839: 1834: 1829: 1824: 1820: 1816: 1812: 1805: 1797: 1793: 1789: 1785: 1781: 1777: 1773: 1769: 1762: 1754: 1750: 1745: 1740: 1736: 1732: 1728: 1724: 1720: 1713: 1705: 1701: 1696: 1691: 1687: 1683: 1679: 1675: 1671: 1664: 1656: 1652: 1647: 1642: 1638: 1634: 1630: 1626: 1622: 1618: 1612: 1597: 1591: 1587: 1583: 1582: 1577: 1571: 1563: 1559: 1554: 1549: 1545: 1541: 1537: 1533: 1529: 1522: 1513: 1509: 1505: 1499: 1490: 1486: 1480: 1465: 1459: 1455: 1451: 1450: 1445: 1441: 1437: 1431: 1429: 1415: 1411: 1407: 1403: 1396: 1388: 1384: 1379: 1374: 1370: 1366: 1361: 1356: 1352: 1348: 1344: 1337: 1329: 1325: 1321: 1317: 1313: 1309: 1305: 1301: 1297: 1290: 1282: 1278: 1273: 1268: 1263: 1258: 1254: 1250: 1246: 1239: 1231: 1227: 1223: 1219: 1215: 1211: 1207: 1203: 1196: 1188: 1184: 1180: 1176: 1171: 1166: 1162: 1158: 1154: 1147: 1132: 1128: 1122: 1108: 1104: 1098: 1090: 1084: 1080: 1073: 1069: 1060: 1057: 1055: 1052: 1050: 1047: 1046: 1040: 1038: 1034: 1030: 1026: 1022: 1018: 1014: 1008: 998: 996: 995:S. pneumoniae 992: 988: 984: 981: 977: 973: 971: 970:S. pneumoniae 967: 963: 962:S. pneumoniae 959: 954: 952: 948: 947:S. pneumoniae 944: 937: 932: 929:Example of a 927: 920: 915: 906: 904: 903:S. pneumoniae 900: 899:H. influenzae 896: 895:H. influenzae 892: 888: 884: 883:S. pneumoniae 880: 876: 875:H. influenzae 872: 871:S. pneumoniae 868: 867: 862: 861:S. pneumoniae 858: 857:H. influenzae 854: 853: 845: 839: 837: 836:glycosylation 833: 832:S. pneumoniae 829: 825: 821: 820:S. pneumoniae 814:Biotechnology 811: 809: 805: 799: 796: 792: 788: 787:S. pneumoniae 782: 772: 770: 769:organ failure 765: 763: 758: 755: 754:S. pneumoniae 745: 743: 742:S. pneumoniae 739: 735: 734:S. pneumoniae 731: 729: 725: 721: 720:S. pneumoniae 717: 713: 710: 706: 702: 699: 695: 691: 687: 683: 680: 676: 671: 661: 659: 658:S. pneumoniae 654: 653:S. pneumoniae 650: 646: 645:S. pneumoniae 642: 638: 634: 630: 629:S. pneumoniae 626: 625:S. pneumoniae 622: 618: 614: 610: 606: 603: 599: 595: 594:S. pneumoniae 591: 587: 583: 582:exogenous DNA 579: 578:S. pneumoniae 575: 565: 563: 559: 555: 551: 547: 543: 539: 538:S. pneumoniae 535: 525: 523: 519: 515: 511: 507: 506:Colin MacLeod 503: 499: 495: 492:demonstrated 491: 487: 483: 479: 477: 473: 469: 466: 462: 457: 455: 454:Louis Pasteur 451: 448: 438: 436: 432: 428: 424: 423:S. pneumoniae 420: 419:S. pneumoniae 415: 414:S. pneumoniae 410: 408: 404: 400: 396: 392: 388: 384: 380: 376: 372: 368: 364: 363:S. pneumoniae 360: 359:S. pneumoniae 356: 352: 348: 344: 336: 332: 330: 329:brain abscess 326: 322: 318: 314: 310: 306: 305:osteomyelitis 302: 298: 294: 290: 286: 282: 278: 274: 270: 266: 262: 258: 254: 250: 248: 244: 240: 236: 232: 228: 224: 222: 218: 214: 213:S. pneumoniae 211: 207: 203: 199: 198:S. pneumoniae 195: 194:Streptococcus 192: 188: 184: 183:Gram-positive 180: 176: 175: 162: 160: 154: 151: 150:Binomial name 147: 143: 142: 137: 134: 133: 130: 129: 128:Streptococcus 125: 122: 121: 118: 115: 112: 111: 108: 105: 102: 101: 98: 95: 92: 91: 88: 85: 82: 81: 78: 75: 72: 71: 66: 61: 57: 53: 52:S. pneumoniae 49: 45: 40: 37: 33: 30: 19: 3939: 3901: 3874: 3867: 3853: 3820: 3809: 3790: 3775: 3755:Gas gangrene 3747: 3739: 3720: 3706: 3698: 3682: 3646: 3636: 3617: 3603: 3593: 3575: 3570: 3561: 3553: 3516: 3497: 3466: 3452: 3440:Enterococcus 3438: 3422: 3382: 3357: 3305: 3269:S. anginosus 3268: 3260: 3255:S. sanguinis 3253: 3246: 3239: 3232: 3204: 3203: 3174: 3076: 3072: 3064:the original 3058: 3010:. Retrieved 3006: 2997: 2980: 2976: 2972: 2966: 2944:(9): 751–9. 2941: 2937: 2933: 2927: 2902: 2898: 2894: 2888: 2861: 2857: 2851: 2843: 2810: 2806: 2796: 2753: 2747: 2737: 2697: 2693: 2683: 2648: 2644: 2634: 2599: 2596:Infect Immun 2595: 2585: 2548: 2544: 2534: 2489: 2485: 2475: 2442: 2438: 2432: 2387: 2383: 2338:(5): 52–58. 2335: 2331: 2321: 2309:. Retrieved 2305: 2296: 2284:. Retrieved 2275: 2263:. Retrieved 2259:the original 2254: 2245: 2236: 2227: 2210: 2206: 2194: 2185: 2176: 2133: 2129: 2119: 2074: 2070: 2044:Anderson C. 2039: 2004: 2000: 1990: 1965: 1961: 1948: 1913: 1909: 1899: 1874: 1870: 1864: 1855: 1818: 1814: 1804: 1771: 1767: 1761: 1729:(2): 423–6. 1726: 1722: 1712: 1677: 1673: 1663: 1628: 1624: 1611: 1599:. Retrieved 1580: 1570: 1535: 1531: 1521: 1511: 1507: 1498: 1488: 1485:Sternberg GM 1479: 1467:. Retrieved 1448: 1417:, retrieved 1405: 1395: 1350: 1346: 1336: 1303: 1299: 1289: 1252: 1248: 1238: 1208:(1): 44–53. 1205: 1201: 1195: 1160: 1156: 1146: 1134:. 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Index

Pneumococcus

Scientific classification
Edit this classification
Bacteria
Bacillota
Bacilli
Lactobacillales
Streptococcaceae
Streptococcus
Binomial name
Gram-positive
alpha-hemolytic
genus
Streptococcus
diplococci
spores
pathogenic bacterium
pneumonia
humoral immunity
nasal cavity
weaker immune systems
pathogenic
respiratory droplets
neonatal infections
community acquired pneumonia
meningitis
sepsis
HIV
pneumococcal infections

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