Evidence that the hemolysin/bacteriocin phenotype of Enterococcus faecalis subsp. zymogenes can be determined by plasmids in different incompatibility groups as well as by the chromosome.

Abstract excerpt

The hemolysin (Hly/Bac) determinant in strains of Enterococcus faecalis was found to be present on plasmids in different incompatibility groups (conferring different sex pheromone responses) as well as on the chromosome. Of 33 Hly/Bac plasmids identified in clinical isolates, the related pheromone for 30 was cAD1; the related pheromone for another two (pYI1 and pYI3) or one (pYI2) was cOB1 or cY12, respectively....

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