Article
Construction of an Azospirillum brasilense Sp7 recA mutant.
Molecular & general genetics : MGG - 1 Aug 1990
Croes C, Vanderleyden J, Michiels K
Abstract excerpt
Cosmid clones encoding the recA gene of Azospirillum brasilense were isolated by intergeneric complementation of an Escherichia coli recA mutant. Site-directed Tn5 mutagenesis and subcloning of one complementing cosmid clone allowed us to localize the A. brasilense recA gene on a 1.2 kb DNA fragment. One Tn5 insertion that inactivates the cloned recA gene was crossed into the chromosome of A. brasilense by marker...
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