[Pyocin production by bacillus pyocyaneus and sensitivity of strains of different origin to them].
Using the method proposed by Gillies and Govan and their indicator strains, 342 P. aeruginosa strains isolated from the patients were studied in respect to their pyocinogenicity and typed according to the production of different types of pyocins. Besides, in 206 cultures the pyocin sensitivity of 16 standard P. aeruginosa strains (5 strains obtained from Govan and 11 strains provided by the authors) was determined. All the tested cultures fell into 23 pyocin types; of these, types I and X occured most frequently, 56 strains identified by means of indicators could not be typed due to the fact that the corresponding pyocin types were absent in Govan's scheme. The cultures isolated from the patients and the environmental objects during the outbreak of P. aeruginosa in a hospital were proved to belong to the same pyocin type (III). The double typing of the cultures, according to pyocin production and pyocin sensitivity, allowed to determine individual characteristics of 75% of the tested cultures.
D001430:Bacteriocins / Q000096:biosynthesis*; D006801:Humans; D008722:Methods; D011550:Pseudomonas aeruginosa / Q000145:classification* / Q000187:drug effects / Q000378:metabolism; D011709:Pyocins / Q000096:biosynthesis* / Q000494:pharmacology
D001430:Bacteriocins; D011709:Pyocins
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