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Genetika. 1998 Feb;34(2):198-205.

[Molecular genetic analysis of DNA structure of pFra plasmids in plague pathogen of varying biovar].

[Article in Russian]

Author information

Mikrob Russian Research Antiplague Institute, Saratov, Russia.


Data on comparative molecular genetic analysis of pFra plasmids from plague bacillus belonging to either two biovars (antiqua and orientalis) are presented. It was established that during evolution these replicons were rearranged, which resulted in the differences between pFra plasmids of plague bacillus of antiqua biovar (Yersinia pestis 231 and Y. pestis 358/12) and that of orientalis biovar (Y. pestis A1122 and Y. pestis EV). These included inversions of two plasmid DNA regions and size differences of 3 kb.

[Indexed for MEDLINE]

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