http://en.wikipedia.org/wiki/Escherichia_coli
E. coli is the type species of the genus (Escherichia) and in turn Escherichia is the type genus of the family Enterobacteriaceae, where it should be noted that the family name does not stem from the genus Enterobacter + "i" (sic.) + "aceae", but from "enterobacterium" + "aceae" (enterobacterium being not a genus, but an alternative trivial name to enteric bacterium).
The original strain described by Escherich is believed to be lost, consequently a new type strain (neotype) was chosen as a representative: the neotype strain is ATCC 11775,also known as NCTC 9001,which is pathogenic to chickens and has an O1:K1:H7 serotype.However, in most studies either O157:H7 or K-12 MG1655 or K-12 W3110 are used as a representative E.coli.
E. coli is the type species of the genus (Escherichia) and in turn Escherichia is the type genus of the family Enterobacteriaceae, where it should be noted that the family name does not stem from the genus Enterobacter + "i" (sic.) + "aceae", but from "enterobacterium" + "aceae" (enterobacterium being not a genus, but an alternative trivial name to enteric bacterium).
The original strain described by Escherich is believed to be lost, consequently a new type strain (neotype) was chosen as a representative: the neotype strain is ATCC 11775,also known as NCTC 9001,which is pathogenic to chickens and has an O1:K1:H7 serotype.However, in most studies either O157:H7 or K-12 MG1655 or K-12 W3110 are used as a representative E.coli.
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