1887

Abstract

SUMMARY: A phage able to transduce a streptomycin resistance marker in can also separately transduce the swarming characteristic between variants of two strains of Motile non-swarming variants were made to swarm on agar by incorporation of a swarming gene via a phage lysate of a swarming strain. The production of swarms by motile non-swarming variants when treated with phage lysates of other pheno-typically similar strains indicated that at least three non-homologous factors control swarming. An O variant could also act as a donor of the swarming gene. This is because the O strain possesses an intact swarming centre which is masked by the absence of active flagella. This O variant was transduced to swarming by phage lysates of motile non-swarming strains or of a swarming strain. The gene transduced here was concerned with the presence of flagella. Factors controlling two morphological varieties of swarming were separately transduced to suitable recipients and a locus able to modify wild-type swarms was identified.

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/content/journal/micro/10.1099/00221287-33-1-1
1963-10-01
2020-10-21
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-33-1-1
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