Groups of aerobic bacteria in which Escherichia coli is an important member. Usually arise be- cause of fecal contamination.
Intestinal bacilli that are gram-negative, sugar-digesting, and both aerobic and anaerobic. They are usually from the family Enterobacteriaceae; Escherichia coli is the best known of the group.
A group of bacteria whose presence in drinking water is suggestive of fecal contamination.
Bacteria, such as Escherichia coli, that live in the intestine.
A group of Gram-negative rod-like bacteria that are normally found in the gastrointestinal tract and have the ability to ferment the sugar lactose. It includes the genera Enterobacter, Escherichia, and Klebsiella.
A cluster of elongated bacteria residing in the intestinal tract. Coliform bacteria encompass Escherichia and other groups that are occasionally connected to gastrointestinal ailments.