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Plasmid. 1992 Mar;27(2):161-3.

Highly preferred site of insertion of Tn7 into the chromosome of Vibrio anguillarum.

Author information

1
Department of Microbiology & Immunology, Oregon Health Sciences University, Portland 97201.

Abstract

The possible usefulness of Tn7 as a tool for genetic studies in Vibrio anguillarum was examined. Using the plasmid pRK2073 as the transposon donor, Tn7 transposes at high frequency into the chromosome of V. anguillarum. However, hybridization analysis of the mutants DNA digested with different enzymes revealed that all isolates have the insertions in the same site. This indicates that like in many other gram-negative bacteria, Tn7 shows a specificity of transposition in the chromosome of V. anguillarum. Plasmid pRK2013 proved to be a very useful delivery vector for transposon mutagenesis in V. anguillarum.

PMID:
1319594
[Indexed for MEDLINE]

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