Thread: Longest lived empires/states in history. 1 out of 1 members found this post helpful. Many lists have been written about the most long-lived empires or states in the history of mankind and oddly enough nobody seems to agree on the ranking.
E. coli is a Gram-negative (bacteria which do not retain crystal violet dye), facultative anaerobic (that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to fermentation or anaerobic respiration if oxygen is absent) and nonsporulating bacterium.
Enterotoxigenic E. coli is an example of one type of Echerichia coli that can cause disease, more specifically food-borne disease, most commonly. 1  In the case of enterotoxigenic E. coli, the bacteria produces a toxin that acts on the inside of the infected intestinal tract to cause diarrhea.