1887

Abstract

DNA analysis of several genetically unstable strains of the fungus revealed the presence of at least seven different plasmids. These plasmids ranged from 2 to 20 kb in size, and showed homology to one of them, pA 1. In 18 stocks directly isolated from nature, two-thirds harboured plasmids ranging from 3 to 17 kb. Plasmids with homology to pAl had similar molecular masses (about 8·5 kb). A possible mechanism of plasmid formation from chromosomal DNA is discussed.

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/content/journal/micro/10.1099/00221287-133-2-311
1987-02-01
2022-01-25
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