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.
Escherichia coli Facts and Overview. 1  E. coli are gram-negative bacteria found worldwide. 2  There are many subtypes of this bacterial species that cause a wide variety of diseases in humans. 3  The bacteria can be transmitted person-to-person and by contaminated food and water.scherichia coli Facts and Overview. 1  E. coli are gram-negative bacteria found worldwide. 2  There are many subtypes of this bacterial species that cause a wide variety of diseases in humans. 3  The bacteria can be transmitted person-to-person and by contaminated food and water.