Open AccessPlasmid encoded bacteriophage resistance in Streptococcus cremoris SK11
Author(s) -
Vos Willem M.,
Underwood Harold M.,
Davies F.
Publication year - 1984
Publication title -
fems microbiology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.899
H-Index - 151
eISSN - 1574-6968
pISSN - 0378-1097
DOI - 10.1111/j.1574-6968.1984.tb01057.x
Subject(s) - bacteriophage , plasmid , microbiology and biotechnology , biology , streptococcaceae , genetics , bacteria , gene , escherichia coli
In Streptococcus cremoris SK11, different permutations of a total of 8 plasmids were observed within and between cultures of various origins. All showed similar growth rates in milk. Those variants which carried a 34‐MDa plasmid, pSK112, were resistant to bacteriophage øSK11G, whereas those from which the plasmid was absent or had been cured were sensitive to this phage. Plasmid pSK112 was shown to confer resistance by reduced phage adsorption. These observations have important potential for the development of phage‐resistant dairy cultures.