Use of bacteriophage Mu to isolate deletions in the his-nif region of Klebsiella pneumoniae
- PMID: 791929
- PMCID: PMC232765
- DOI: 10.1128/jb.128.3.749-753.1976
Use of bacteriophage Mu to isolate deletions in the his-nif region of Klebsiella pneumoniae
Abstract
Klebsiella pneumoniae M5a1 is naturally resistant to infection by bacteriophage Mu. Mutants of K. pneumoniae sensitive to Mu infection were isolated and found to support both lytic and lysogenic development of Mu. K. pneumoniae lysogens containing a heat-inducible Mu prophage integrated in his were isolated. Strains carrying deletions extending from his into nif were obtained after heat treatment of these lysogens. Such deletions should be useful for determining the map order and cistronic organization of the nif genes.
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