1887

Abstract

Summary

Cultures of carrying ColI plasmids received in conjugation from strains of and were examined for abortive infection (Abi) of phage BF23 and for enhanced resistance to the lethal action of UV-irradiation (Uvr). The Abi character of stored cultures of was also compared with the reaction of the same stock culture tested 5 years before. Seven of the eight potential types differentiated by three characters were represented among 160 ColI plasmids: ColIa Abi Uvr (3 plasmids), ColIa Abi Uvr (1), ColIa Abi Uvr (2), ColIb Abi Uvr (85), ColIb Abi Uvr (5), ColIb Abi Uvr (4), ColIb Abi Uvr (60). Recognition that different plasmid types could be carried by strains of a clone proved useful in the interpretation of the epidemic spread of strains of of phage type/biotype 141/9f in Scotland and in tracing the ancestry of a recently emerged rhamnose non-fermenting mutant strain of

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/content/journal/jmm/10.1099/00222615-25-3-221
1988-03-01
2020-01-21
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http://instance.metastore.ingenta.com/content/journal/jmm/10.1099/00222615-25-3-221
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