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Mol Gen Genet. 1979 Oct 1;175(3):239-43.

The nature of the genetic determinant for the SHV-1 beta-lactamase.

Abstract

In two unrelated plasmids of incompatibility groups FII and N the gene for the SHV-1 beta-lactamase exists as part of a transposable element of molecular weight 9.5 megadaltons. This transposon has moved onto plasmids of at least three incompatibility groups; PI, Ialpha and J. This confirms the suggestion that the recent spread of the SHV-1 beta-lactamase has been associated with the transposition of the genetic determinant of this enzyme between unrelated plasmids.

PMID:
392225
DOI:
10.1007/bf00397222
[Indexed for MEDLINE]

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