Knowledge

Coliform bacteria

Source đź“ť

31: 390: 544: 328:
is metallic green colonies on a dark purple medium. Also can be cultured on Tryptone Bile X-Glucuronide (TBX) to appear as blue or green colonies after incubation period of 24 hours. Escherichia coli have an incubation period of 12–72 hours with the optimal growth temperature being 37 Â°C. Unlike
433:
O157 strain illnesses. These were reported between December 2021 and January 2022, and the Public Health Agency of Canada (PHAC), the Canadian Food Inspection Agency (CFIA), and Health Canada were able to determine a specific brand of Original Kimchi to be the source of the organism. On January 28,
417:
O157:H7 strain. These cases were reported from October 15, 2021 through October 27, 2021 and an investigation was carried out by the Minnesota Department of Agriculture and FDA. It was concluded that packages of spinach collected from homes of infected people were contaminated with a strain of
527:
Test samples are filtered through standard filter paper and then transferred to M-endo or LES Endo Agar mediums. Colonies appear pinkish-red with green metallic sheen after 22–24 hours of incubation. These colonies can be confirmed as coliforms if they are inoculated in
386:(which also ferments lactose) colonies will be dark colored, but will also appear to have a metallic green sheen. Other coliform bacteria will appear as thick, slimy colonies, with non-fermenters being colorless, and weak fermenters being pink. 518:
out. To confirm if these colonies are coliforms, they are transferred to brilliant green lactose bile (BGLB) and incubated. If gas is visible after incubation, it can be confirmed that the sample had coliforms present.
792:
Chart H (2012-01-01). "27 – Klebsiella, enterobacter, proteus and other enterobacteria: Pneumonia; urinary tract infection; opportunist infection". In Greenwood D, Barer M, Slack R, Irving W (eds.).
75:
of low sanitary quality of foods, milk, and water. Coliforms can be found in the aquatic environment, in soil and on vegetation; they are universally present in large numbers in the feces of
1088: 724: 698: 1118:
Rompré A, Servais P, Baudart J, de-Roubin MR, Laurent P (March 2002). "Detection and enumeration of coliforms in drinking water: current methods and emerging approaches".
104: 490:
is labelled with a soybean peroxidase-labeled peptide nucleic acid (PNA) probes that bind to a specific sequence in their 16S rRNA. When used in conjunction with a
253:
species normally inhabit the human intestine and those of other warm-blooded animals, and are the most commonly responsible for causing disease in humans.
245:
species in a mixed sample is an agar including ornithine, raffinose, and Koser citrate, where members of this genus will form yellow, wet-looking colonies.
532:(LST), produce gas, and then inoculated in BGLB. If there is gas production in the BGLB tubes, the test is positive for the presence of coliform bacteria. 79:
animals as they are known to inhabit the gastrointestinal system. While coliform bacteria are not normally the cause of serious illness, they are easy to
378:
agar plate. This plate is partially inhibitory to Gram (+) bacteria, and will produce a color change in the Gram (-) bacterial colonies based on lactose
1065: 219:
are non-motile, Gram-negative bacilli ranging from 1–2 μm in length. They are facultative anaerobes with a capsule composed of complex acid
1204:"Rapid detection, identification, and enumeration of Escherichia coli cells in municipal water by chemiluminescent in situ hybridization" 87:
organisms of fecal origin may be present in a sample, or that said sample is not safe to consume. Such pathogens include disease-causing
1155:"PCR detection of Escherichia coli O157:H7 directly from stools: evaluation of commercial extraction methods for purifying fecal DNA" 333:
are almost exclusively of fecal origin and their presence is thus an effective confirmation of fecal contamination. Most strains of
259:
specifically is the most common organism seen in the human intestine and are known to cause a variety of diseases in humans. Most
429:
As of February 7, 2022, the provinces of Alberta and Saskatchewan in Canada reported a collective fourteen confirmed cases of
845: 809: 623: 1089:"Public Health Notice: Outbreak of E. coli infections linked to Hankook (Korean characters only) brand Original Kimchi" 1306: 932: 1011:"Use of eosin methylene blue agar to differentiate Escherichia coli from other gram-negative mastitis pathogens" 557: 68: 139:, intra abdominal sepsis, meningitis, and joint infections if they are given the opportunity. Infections of a 67:
to produce acids and gases under their optimal growth temperature of 35–37 Â°C. They can be aerobes or
1301: 303:
based on variation of their O, H and K polysaccharides on their cell surface or by using selective medias.
577: 426:
on the strain extracted from the spinach and comparing it to the strain taken from infected individuals.
316:) can be distinguished from most other coliforms by its ability to ferment lactose at 44 Â°C in the 1202:
Stender H, Broomer AJ, Oliveira K, Perry-O'Keefe H, Hyldig-Nielsen JJ, Sage A, Coull J (January 2001).
451:
gene is used to detect coliforms in general, because all coliform organisms produce this compound. The
241:
colonies appear greyish-white in colour with a mucosal outer surface. The media used for selecting for
515: 268: 320:
test, and by its growth and color reaction on certain types of culture media. When cultured on an
649:"The Evolving Role of Coliforms As Indicators of Unhygienic Processing Conditions in Dairy Foods" 423: 368: 337:
are harmless, but some can cause serious illness in humans. Infection symptoms and signs include
160: 131:
species inhabit intestinal flora without causing harm, but can lead to urinary tract infections,
80: 276: 234: 529: 225: 1215: 452: 375: 321: 8: 506:
The solid medium is used to grow lactose-fermenting coliforms and utilizes a neutral red
413:
As of November 15, 2021, seven states in the USA declared ten cases of illnesses from an
374:
An easy way to differentiate between different types of coliform bacteria is by using an
364: 1219: 1040: 851: 837: 801: 675: 648: 629: 615: 572: 448: 72: 64: 1131: 895: 870: 1296: 1241: 1236: 1203: 1184: 1179: 1170: 1154: 1135: 1032: 928: 900: 855: 841: 805: 763: 680: 633: 619: 491: 144: 1044: 949: 886: 699:
The Microbiology of Drinking Water (2002) – Part 1 – Water Quality and Public Health
1268: 1231: 1223: 1174: 1166: 1127: 1022: 890: 882: 833: 797: 670: 660: 611: 308: 264: 255: 60: 35: 1227: 549: 483: 434:
2022 and February 6, 2022, the CFIA issued a recall on Hankook Original Kimchi.
382:
abilities. Strong lactose fermenters will appear as dark blue/purple/black, and
1027: 1010: 757: 567: 562: 317: 220: 24: 925:
Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases
486:
probes, which aids in monitoring the quality of drinking water. Specifically,
1290: 665: 172: 53: 30: 1245: 1188: 1139: 1036: 796:(Eighteenth ed.). Edinburgh: Churchill Livingstone. pp. 290–297. 767: 684: 507: 422:
that matched the strain causing illness. This was determined by performing
379: 151: 124: 76: 904: 1262: 338: 249: 119: 20: 1272: 978: 179:
in a sample, they are first grown on MacConkey agar to confirm they are
1201: 869:
Bruce SK, Schick DG, Tanaka L, Jimenez EM, Montgomerie JZ (June 1981).
510:. Pink colonies appear when lactose is fermented and are surrounded by 215: 164: 156: 132: 103:. Every drinking water source must be tested for the presence of these 50: 725:"Pathogen Safety Data Sheets: Infectious Substances – Citrobacter spp" 1066:"Outbreak Investigation of E. Coli O157:H7 – Spinach (November 2021)" 460: 360: 168: 155:
are motile, flagellated bacilli known for causing infections such as
136: 57: 1264:
Water quality. Enumeration of Escherichia coli and coliform bacteria
828:
Berman JJ (2019-01-01). "Chapter 3 – Bacteria". In Berman JJ (ed.).
475: 437: 352: 341: 163:, infections of areas where surgery occurred, and in extreme cases 100: 96: 88: 84: 987:
CDC National Center for Emerging and Zoonotic Infectious Diseases
345: 180: 92: 606:
Li D, Liu S (2019). "Water Quality Monitoring in Aquaculture".
237:
of animals, in sewage and in soil. On carbohydrate-rich media,
196: 46: 389: 143:
species has a mortality rate between 33–48%, with infants and
1117: 356: 348: 960:. University of Wisconsin–Madison Department of Bacteriology 498:
is located, indicating that they are present in the sample.
647:
Martin NH, Trmčić A, Hsieh TH, Boor KJ, Wiedmann M (2016).
511: 127:
facultative anaerobic bacilli between 0.6–6 μm in length.
1008: 871:"Selective medium for isolation of Klebsiella pneumoniae" 469: 223:
that allows them to withstand drying for several months.
1153:
Holland JL, Louie L, Simor AE, Louie M (November 2000).
868: 1152: 756:
Ramirez D, Giron M (2022). "Enterobacter Infections".
646: 832:(Second ed.). Academic Press. pp. 39–119. 539: 263:strains are motile and have obtained many of their 1009:Leininger DJ, Roberson JR, Elvinger F (May 2001). 922: 494:substrate, light is produced where each colony of 400: 83:, and their presence is used to infer that other 1288: 1072:. U.S. Food and Drug Administration. 2022-01-06. 438:Detection of coliform bacteria in drinking water 762:. Treasure Island (FL): StatPearls Publishing. 291:(STEC), which includes EHEC; enteroaggregative 1015:Journal of Veterinary Diagnostic Investigation 923:Bennett JE, Dolin R, Blaser MJ (August 2019). 455:of the beta-D glucuronidase is used to detect 183:fermenting. An indole test will differentiate 823: 821: 299:(EIEC). There are different ways to identify 1070:Center for Food Safety and Applied Nutrition 755: 271:. There are several different pathotypes of 818: 1235: 1178: 1026: 894: 674: 664: 601: 599: 597: 595: 522: 211:because of their differences in motility. 405: 388: 29: 608:Water Quality Monitoring and Management 501: 1289: 1208:Applied and Environmental Microbiology 830:Taxonomic Guide to Infectious Diseases 827: 592: 470:Chemiluminescent in-situ hybridization 463:gene(s) to detect verotoxin-producing 1257: 1255: 1113: 1111: 1109: 1083: 1081: 1079: 1060: 1058: 1056: 1054: 1004: 1002: 791: 605: 918: 916: 914: 787: 785: 783: 751: 749: 747: 745: 719: 717: 715: 324:(EMB) plate, a positive result for 287:(ETEC); EPEC; Shiga toxin–producing 147:individuals being more susceptible. 13: 1252: 1120:Journal of Microbiological Methods 1106: 1076: 1051: 999: 838:10.1016/b978-0-12-817576-7.00003-1 802:10.1016/b978-0-7020-4089-4.00042-1 616:10.1016/b978-0-12-811330-1.00012-0 14: 1318: 947: 911: 780: 742: 712: 1171:10.1128/JCM.38.11.4108-4113.2000 1159:Journal of Clinical Microbiology 927:. Elsevier. pp. 2669–2685. 875:Journal of Clinical Microbiology 542: 159:, respiratory tract infections, 27:, one type of coliform bacteria. 1195: 1146: 971: 958:Online Textbook of Bacteriology 941: 887:10.1128/jcm.13.6.1114-1116.1981 401:Incidence of coliform outbreaks 175:. To determine the presence of 1093:Public Health Agency of Canada 862: 729:Public Health Agency of Canada 691: 640: 610:. Elsevier. pp. 303–328. 558:Bacteriological water analysis 459:or the amplification of their 359:. The bacteria can also cause 1: 1228:10.1128/aem.67.1.142-147.2001 1132:10.1016/S0167-7012(01)00351-7 586: 233:species found in humans, the 329:the general coliform group, 7: 535: 295:(EAEC); and enteroinvasive 10: 1323: 1028:10.1177/104063870101300319 71:, and are a commonly used 18: 16:Group of bacterial species 1267:, BSI British Standards, 653:Frontiers in Microbiology 279:syndromes: diarrheagenic 109: 1307:Water quality indicators 666:10.3389/fmicb.2016.01549 369:urinary tract infections 269:horizontal gene transfer 161:urinary tract infections 114:Typical genera include: 105:total coliform bacteria. 23:, a family of birds, or 19:Not to be confused with 424:whole genome sequencing 283:(DEC), enterotoxigenic 235:gastrointestinal tracts 207:are distinguished from 99:and many multicellular 708:(Report). Bristol, UK. 523:Membrane filter method 474:Specific areas of the 442: 397: 45:are defined as either 39: 447:Amplification of the 392: 365:respiratory illnesses 226:Klebsiella pneumoniae 33: 794:Medical Microbiology 502:Violet red bile agar 376:eosin methylene blue 322:eosin methylene blue 1302:Foodborne illnesses 1273:10.3403/bseniso9308 1220:2001ApEnM..67..142S 482:genus are bound by 229:is the most common 135:, brain abscesses, 69:facultative aerobes 706:Environment Agency 573:Indicator bacteria 480:Enterobacteriaceae 449:beta-galactosidase 398: 355:and occasionally, 40: 1165:(11): 4108–4113. 847:978-0-12-817576-7 811:978-0-7020-4089-4 625:978-0-12-811330-1 145:immunocompromised 43:Coliform bacteria 1314: 1282: 1281: 1280: 1279: 1259: 1250: 1249: 1239: 1199: 1193: 1192: 1182: 1150: 1144: 1143: 1115: 1104: 1103: 1101: 1100: 1085: 1074: 1073: 1062: 1049: 1048: 1030: 1006: 997: 996: 994: 993: 981:Escherichia coli 975: 969: 968: 966: 965: 945: 939: 938: 920: 909: 908: 898: 881:(6): 1114–1116. 866: 860: 859: 825: 816: 815: 789: 778: 777: 775: 774: 753: 740: 739: 737: 736: 721: 710: 709: 703: 695: 689: 688: 678: 668: 644: 638: 637: 603: 580:Escherichia coli 552: 547: 546: 545: 492:chemiluminescent 407:Escherichia coli 309:Escherichia coli 277:gastrointestinal 256:Escherichia coli 36:Escherichia coli 1322: 1321: 1317: 1316: 1315: 1313: 1312: 1311: 1287: 1286: 1285: 1277: 1275: 1261: 1260: 1253: 1200: 1196: 1151: 1147: 1116: 1107: 1098: 1096: 1087: 1086: 1077: 1064: 1063: 1052: 1007: 1000: 991: 989: 977: 976: 972: 963: 961: 946: 942: 935: 921: 912: 867: 863: 848: 826: 819: 812: 790: 781: 772: 770: 754: 743: 734: 732: 723: 722: 713: 701: 697: 696: 692: 645: 641: 626: 604: 593: 589: 550:Medicine portal 548: 543: 541: 538: 530:lauryl tryptose 525: 504: 484:oligonucleotide 472: 445: 440: 411: 403: 221:polysaccharides 112: 65:β-galactosidase 28: 17: 12: 11: 5: 1320: 1310: 1309: 1304: 1299: 1284: 1283: 1251: 1214:(1): 142–147. 1194: 1145: 1105: 1075: 1050: 1021:(3): 273–275. 998: 970: 940: 933: 910: 861: 846: 817: 810: 779: 741: 711: 690: 639: 624: 590: 588: 585: 584: 583: 575: 570: 568:Fecal coliform 565: 563:Coliform index 560: 554: 553: 537: 534: 524: 521: 503: 500: 471: 468: 444: 441: 439: 436: 410: 404: 402: 399: 318:fecal coliform 305: 304: 267:features from 246: 212: 148: 111: 108: 25:Fecal coliform 15: 9: 6: 4: 3: 2: 1319: 1308: 1305: 1303: 1300: 1298: 1295: 1294: 1292: 1274: 1270: 1266: 1265: 1258: 1256: 1247: 1243: 1238: 1233: 1229: 1225: 1221: 1217: 1213: 1209: 1205: 1198: 1190: 1186: 1181: 1176: 1172: 1168: 1164: 1160: 1156: 1149: 1141: 1137: 1133: 1129: 1125: 1121: 1114: 1112: 1110: 1094: 1090: 1084: 1082: 1080: 1071: 1067: 1061: 1059: 1057: 1055: 1046: 1042: 1038: 1034: 1029: 1024: 1020: 1016: 1012: 1005: 1003: 988: 984: 982: 974: 959: 955: 953: 944: 936: 934:9780323482554 930: 926: 919: 917: 915: 906: 902: 897: 892: 888: 884: 880: 876: 872: 865: 857: 853: 849: 843: 839: 835: 831: 824: 822: 813: 807: 803: 799: 795: 788: 786: 784: 769: 765: 761: 760: 752: 750: 748: 746: 730: 726: 720: 718: 716: 707: 700: 694: 686: 682: 677: 672: 667: 662: 658: 654: 650: 643: 635: 631: 627: 621: 617: 613: 609: 602: 600: 598: 596: 591: 582: 581: 576: 574: 571: 569: 566: 564: 561: 559: 556: 555: 551: 540: 533: 531: 520: 517: 513: 509: 499: 497: 493: 489: 485: 481: 477: 467: 466: 462: 458: 454: 453:amplification 450: 435: 432: 427: 425: 421: 416: 408: 395: 391: 387: 385: 381: 377: 372: 370: 366: 362: 358: 354: 350: 347: 343: 340: 336: 332: 327: 323: 319: 315: 311: 310: 302: 298: 294: 290: 286: 282: 278: 274: 270: 266: 262: 258: 257: 252: 251: 247: 244: 240: 236: 232: 228: 227: 222: 218: 217: 213: 210: 206: 203:is positive. 202: 199:negative and 198: 194: 190: 186: 182: 178: 174: 173:osteomyelitis 170: 166: 162: 158: 154: 153: 149: 146: 142: 138: 134: 130: 126: 122: 121: 117: 116: 115: 107: 106: 102: 98: 94: 90: 86: 82: 78: 74: 70: 66: 63:that possess 62: 59: 58:spore forming 55: 54:Gram-negative 52: 48: 44: 38: 37: 32: 26: 22: 1276:, retrieved 1263: 1211: 1207: 1197: 1162: 1158: 1148: 1126:(1): 31–54. 1123: 1119: 1097:. Retrieved 1095:. 2022-01-29 1092: 1069: 1018: 1014: 990:. Retrieved 986: 980: 973: 962:. Retrieved 957: 951: 950:"Pathogenic 943: 924: 878: 874: 864: 829: 793: 771:. Retrieved 758: 733:. Retrieved 731:. 2012-04-30 728: 705: 693: 656: 652: 642: 607: 579: 526: 516:precipitated 508:pH indicator 505: 495: 487: 479: 473: 464: 456: 446: 430: 428: 419: 414: 412: 406: 393: 383: 380:fermentation 373: 334: 330: 325: 313: 307: 306: 300: 296: 292: 288: 284: 280: 272: 260: 254: 248: 242: 238: 230: 224: 214: 208: 205:Enterobacter 204: 200: 193:Enterobacter 192: 188: 185:Enterobacter 184: 177:Enterobacter 176: 152:Enterobacter 150: 140: 128: 125:peritrichous 118: 113: 77:warm-blooded 42: 41: 34: 578:Pathogenic 396:on EMB agar 250:Escherichia 201:Escherichia 189:Escherichia 141:Citrobacter 129:Citrobacter 120:Citrobacter 21:Coliiformes 1291:Categories 1278:2022-03-03 1099:2022-03-24 992:2012-10-02 964:2007-11-30 773:2022-03-23 759:StatPearls 735:2022-03-23 587:References 243:Klebsiella 239:Klebsiella 231:Klebsiella 216:Klebsiella 209:Klebsiella 165:meningitis 157:bacteremia 133:bacteremia 85:pathogenic 51:non-motile 948:Todar K. 856:239067047 634:133759843 514:that has 461:verotoxin 361:pneumonia 265:virulence 169:sinusitis 137:pneumonia 101:parasites 73:indicator 1297:Bacteria 1246:11133438 1189:11060076 1140:11777581 1045:22611000 1037:11482612 768:32644722 685:27746769 659:: 1549. 536:See also 476:16S rRNA 465:E. coli. 457:E. coli, 363:, other 353:vomiting 342:diarrhea 275:causing 97:protozoa 89:bacteria 1216:Bibcode 952:E. coli 905:7019238 676:5043024 496:E. coli 488:E. coli 478:in the 431:E. coli 420:E. coli 415:E. coli 394:E. coli 346:stomach 335:E. coli 331:E. coli 326:E. coli 314:E. coli 301:E. coli 297:E. coli 293:E. coli 289:E. coli 285:E. coli 281:E. coli 273:E. coli 261:E. coli 181:lactose 93:viruses 81:culture 61:bacilli 1244:  1234:  1187:  1177:  1138:  1043:  1035:  931:  903:  896:273960 893:  854:  844:  808:  766:  683:  673:  632:  622:  384:E.coli 349:cramps 339:bloody 197:indole 110:Genera 47:motile 1237:92533 1180:87549 1041:S2CID 852:S2CID 702:(PDF) 630:S2CID 357:fever 191:, as 187:from 95:, or 1242:PMID 1185:PMID 1136:PMID 1033:PMID 929:ISBN 901:PMID 842:ISBN 806:ISBN 764:PMID 681:PMID 620:ISBN 512:bile 409:O157 367:and 195:are 171:and 123:are 56:non- 1269:doi 1232:PMC 1224:doi 1175:PMC 1167:doi 1128:doi 1023:doi 891:PMC 883:doi 834:doi 798:doi 671:PMC 661:doi 612:doi 443:PCR 49:or 1293:: 1254:^ 1240:. 1230:. 1222:. 1212:67 1210:. 1206:. 1183:. 1173:. 1163:38 1161:. 1157:. 1134:. 1124:49 1122:. 1108:^ 1091:. 1078:^ 1068:. 1053:^ 1039:. 1031:. 1019:13 1017:. 1013:. 1001:^ 985:. 956:. 913:^ 899:. 889:. 879:13 877:. 873:. 850:. 840:. 820:^ 804:. 782:^ 744:^ 727:. 714:^ 704:. 679:. 669:. 655:. 651:. 628:. 618:. 594:^ 371:. 351:, 344:, 167:, 91:, 1271:: 1248:. 1226:: 1218:: 1191:. 1169:: 1142:. 1130:: 1102:. 1047:. 1025:: 995:. 983:" 979:" 967:. 954:" 937:. 907:. 885:: 858:. 836:: 814:. 800:: 776:. 738:. 687:. 663:: 657:7 636:. 614:: 312:(

Index

Coliiformes
Fecal coliform

Escherichia coli
motile
non-motile
Gram-negative
spore forming
bacilli
β-galactosidase
facultative aerobes
indicator
warm-blooded
culture
pathogenic
bacteria
viruses
protozoa
parasites
total coliform bacteria.
Citrobacter
peritrichous
bacteremia
pneumonia
immunocompromised
Enterobacter
bacteremia
urinary tract infections
meningitis
sinusitis

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

↑