1887

Abstract

SUMMARY: A number of enhanced chromosome mobilizing (ECM) plasmids derived from the wide host range plasmid R68 have been used to construct R-prime plasmids carrying a maximum of two map minutes of the PPN chromosome, using PAO as the recipient. For one ECM plasmid, pMO61, the ability to form R-primes did not correlate with the ability to mobilize chromosomes in intrastrain crosses, suggesting that different mechanisms are involved. Physical analysis of one R-prime showed that 3·5 kb of chromosomal DNA had been inserted between the tandem IS sequences carried by the parent ECM plasmid.

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/content/journal/micro/10.1099/00221287-133-3-683
1987-03-01
2019-11-22
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-133-3-683
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