1887

Abstract

The symbiotic plasmid of biovar strain CFN23 has been previously shown to undergo a series of genetic rearrangements that modify the bacterial symbiotic phenotype. A hyper-recombinant derivative of strain CFN23 was isolated. This derivative (strain CFN2300) has a similar phenotype to that reported for mutants defective in DNA metabolism. The frequency of CFN23 symbiotic plasmid deletion is increased in the CFN2300 background, suggesting that homologous genetic recombination is involved in the generation of this genetic rearrangement.

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/content/journal/micro/10.1099/00221287-135-1-47
1989-01-01
2021-05-18
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