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Coliform BacteriaComments
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siblingsBinomial NomenclatureCaenorhabditis elegansDarwinian EvolutionDeuterostomesDrosophila melanogasterEchinodermsEvolutionary agentsEvolutionary ChronometerEvolutionary ConstraintsPhylogeneticsPhylum AnnelidaPhylum CnidariaPhylum Platyhelminthes and NemerteaPhylum PoriferaReconstructing PhylogeniesTaxonomic Units

Coliform Bacteria

Coliform bacteria are nonpathogens present in fecal matter. The presence of coliform bacteria in a water supply indicates fecal contamination (sewage has contaminated the water). Coliform bacteria have the following properties:

  • Facultative aerobes
  • Gram negative
  • non-sporeforming rods
  • lactose-fermenting
  • typically not pathogenic
  • predominantly E. coli
  • used as an indicator of contamination of the water supply