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Chromosomal insertions of Tn917 in Bacillus subtilis.

By M A Vandeyar and S A Zahler


We describe 46 insertions of the Streptococcus faecalis transposon Tn917 into the chromosome of Bacillus subtilis. These insertion mutations were mapped genetically. Some caused auxotrophic requirements, and others were cryptic. These insertions were scattered around the B. subtilis chromosome. The mutant strains were useful in several ways for mapping and cloning B. subtilis genes and were added to the Bacillus Genetic Stock Center collection. Among the auxotrophic markers were a new serine auxotrophy and deletion-insertions that caused auxotrophy in one case for homoserine and threonine, in another case for uracil and either cysteine or methionine, and in a third case for leucine, isoleucine, and valine

Topics: Research Article
Year: 1986
DOI identifier: 10.1128/jb.167.2.530-534.1986
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Provided by: PubMed Central
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