Cloning and sequencing of two new Verotoxin 2 variant genes of Escherichia coli isolated from cases of human and bovine diarrhea.

Abstract:

:We cloned and sequenced two new Verotoxin 2 (VT2) variant genes: one from an Escherichia coli strain from a case of bovine diarrhea and the other from an E. coli strain from a patient with diarrhea. The nucleotide and amino acid sequences of these two genes were highly homologous with, but distinct from those of the VT2, VT2vha, VT2vhb, SLT-IIv (VT2vp1) and SLT-IIva (VT2vp2) genes. Their nucleotide sequences were much more closely homologous to that of VT2vh than to that of VT2vp. Search for these two new genes in other Verocytotoxin-producing E. coli strains resulted in the isolation of 2 strains carrying one of the new VT2 variant genes, one strain from Tokyo and the other from Canada.

journal_name

Microbiol Immunol

authors

Lin Z,Yamasaki S,Kurazono H,Ohmura M,Karasawa T,Inoue T,Sakamoto S,Suganami T,Takeoka T,Taniguchi Y

doi

10.1111/j.1348-0421.1993.tb03236.x

subject

Has Abstract,Author List Incomplete

pub_date

1993-01-01 00:00:00

pages

451-9

issue

6

eissn

0385-5600

issn

1348-0421

journal_volume

37

pub_type

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