1887

Abstract

Summary: A number of non-replicative, integrational plasmids have been introduced into the chromosome of the NCIMB 8052 strain of . Integration occurred via homologous recombination, apparently by a Campbell-like mechanism. For plasmids containing internal fragments of or , insertion was mutagenic leading, respectively, to an inability to use sorbitol as sole source of carbon for energy and growth or an inability to form endospores. One insertion was used to determine the map location of a randomly cloned DNA fragment and another underwent amplification in the bacterial chromosome. These results suggest that integrational plasmids will be very useful tools for genetic analysis in . To our knowledge, this is the first demonstration of gene transfer involving homologous recombination with the chromosome of any species of .

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/content/journal/micro/10.1099/13500872-140-1-89
1994-01-01
2019-09-23
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