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Introduction Escherichia coli, often abbreviated as E. coli, is a gram-negative, rod-shaped bacterium belonging to the Enterobacteriaceae family. It is one of the most commonly studied and well-known bacteria, both because of its importance in scientific research and its relevance in various aspects of human …
Introduction of Escherichia hermanii Escherichia hermannii is a gram-negative rod. This bacterium belongs to the family of Enterobacteriaceae. It was first described in 1982. It had been previously known as enteric group 11 of Escherichia coli but was later reclassified as a distinct species in …
Introduction of Enterobacteriaceae The family Enterobacteriaceae was first proposed by Rahn in 1936 and it is a very large group of gram-negative bacteria that possess a number of common morphological and biochemical properties and similar DNA base compositions. The widely used systems for the classification …