Literature DB >> 20348301

Effects of environmental stress on stability of tandem repeats in Escherichia coli O157:H7.

Michael B Cooley1, Diana Carychao, Kimberly Nguyen, Linda Whitehand, Robert Mandrell.   

Abstract

Multilocus variable-number tandem-repeat analysis (MLVA) is used for source tracking Escherichia coli O157:H7 in agricultural environments. Tandem repeats were stable after limited replication but changed after exposure to irradiation, elevated temperatures, and starvation conditions. The pO157 plasmid was frequently lost under these stress conditions. Environmental stresses may increase phylogenetic diversity as measured by MLVA.

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Year:  2010        PMID： 20348301      PMCID： PMC2869130          DOI： 10.1128/AEM.02373-09

Source DB:  PubMed          Journal:  Appl Environ Microbiol        ISSN： 0099-2240            Impact factor:   4.792


  28 in total

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