Abstract
Tn5 was introduced into Alcaligenes eutrophus strain H1 by a suicide vector pSUP1011. Physical characterization of mutants obtained after Tn5 mutagenesis revealed a relatively high frequency of plasmid curing, or deletion of a 50 kb plasmid DNA segment. Results of Southern hybridization and chromosomal walking indicate that the same continuous stretch of plasmid DNA (designated as D region of plasmid) is deleted in four independent isolates. Moreover, the same deletion of plasmid DNA is also observed in a mitomycin C-generated mutant strain H1-4.
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Journal Paper No. J-12095 of the Iowa Agriculture and Home Economics Experiment Station, Ames, Iowa. Project No. 2607, supported in part by a grant from the Iowa High Technology Council
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Chow, WY.W., Peterson, J.B. & Atherly, A.G. Unusual genetic phenomena associated with Tn5 mutagenesis in Alcaligenes eutrophus strain H1. Arch. Microbiol. 152, 289–295 (1989). https://doi.org/10.1007/BF00409665
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DOI: https://doi.org/10.1007/BF00409665