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Dual-Serotype Biofilm Formation by Shiga Toxin-Producing Escherichia coli O157:H7 and O26:H11 Strains
Author(s) -
Rong Wang,
Norasak Kalchayanand,
James L. Bono,
J. W. Schmidt,
Joseph M. Bosilevac
Publication year - 2012
Publication title -
applied and environmental microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 324
eISSN - 1070-6291
pISSN - 0099-2240
DOI - 10.1128/aem.01137-12
Subject(s) - escherichia coli , microbiology and biotechnology , biofilm , serotype , shiga toxin , biology , shiga like toxin , enterobacteriaceae , bacteria , toxin , gene , genetics
Escherichia coli O26:H11 strains were able to outgrow O157:H7 companion strains in planktonic and biofilm phases and also to effectively compete with precolonized O157:H7 cells to establish themselves in mixed biofilms. E. coli O157:H7 strains were unable to displace preformed O26:H11 biofilms. Therefore, E. coli O26:H11 remains a potential risk in food safety.

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