Publication details

Three recently acknowledged Escherichia species strikingly differ in the incidence of bacteriocinogenic and lysogenic strains

Authors

ŠMARDA Jan ŠMAJS David LHOTOVA H.

Year of publication 2002
Type Article in Periodical
Magazine / Source J. Basic Microbiol.
MU Faculty or unit

Faculty of Medicine

Citation
Field Microbiology, virology
Description The incidence of bacteriocinogeny and lysogeny was followed in bacteria of 3 recently acknowledged species of the genus Escherichia: E. hermanii, E. vulneris and E. fergusonii. Almost all of the strains examined were of human origin. In 30 strains of E. hermanii no one was found bacteriocinogenic while 57% were lysogenic, in 30 strains of E. vulneris none was found to be bacteriocinogenic and only 10% were lysogenic, and in 50 strains E. fergusonii 12% were bacteriocinogenic and 40% lysogenic. From the 6 bacteriocinogenic strains of E. fergusonii, 3 were producers of colicin E1, 2 of colicin Ib and 1 of colicin Ia. In addition, 3 E. fergusonii strains produced aerobactin.

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