Journal Article

The identification of a tetracycline resistance gene <i>tet</i>(M), on a Tn<i>916</i>-like transposon, in the <i>Bacillus cereus</i> group

Yvonne Agersø, Lars Bogø Jensen, Michael Givskov and Marilyn C Roberts

in FEMS Microbiology Letters

Volume 214, issue 2, pages 251-256
Published in print September 2002 |
Published online January 2006 | e-ISSN: 1574-6968 | DOI:

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In order to investigate whether resistance genes present in bacteria in manure could transfer to indigenous soil bacteria, resistant isolates belonging to the Bacillus cereus group (Bacillus cereus, Bacillus anthracis and Bacillus thuringiensis) were isolated from farm soil (72 isolates) and manure (12 isolates) samples. These isolates were screened for tetracycline resistance genes (tet(K), tet(L), tet(M), tet(O), tet(S) and tet(T)). Of 88 isolates examined, three (3.4%) isolates carried both tet(M) and tet(L) genes, while four (4.5%) isolates carried the tet(L) gene. Eighty-one (92.1%) isolates did not contain any of the tested genes. All tet(M) positive isolates carried transposon Tn916 and could transfer this mobile DNA element to other Gram-positive bacteria.

Keywords: Bacillus cereus; tet(M); Horizontal transfer

Journal Article.  3132 words.  Illustrated.

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