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. 1989 Sep;55(9):2410–2413. doi: 10.1128/aem.55.9.2410-2413.1989

DNA-DNA homology among lactose- and sucrose-fermenting transconjugants from Lactococcus lactis strains exhibiting reduced bacteriophage sensitivity.

J L Steele 1, M C Murphy 1, C Daly 1, L L McKay 1
PMCID: PMC203090  PMID: 2508557

Abstract

DNA-DNA homology between a reduced bacteriophage sensitivity (Rbs+) probe and DNA from both Rbs+ and Rbs- Lactococcus lactis strains was examined. Homology was detected between the probe and five plasmids (pCI750, pCC34, pEB56, pNP2, and pJS88) isolated from lactose-positive Rbs+ transconjugants and between the probe and genomic DNA of a sucrose-positive Rbs+ transconjugant. Additionally, hybridizations conducted between the probe and plasmids reported to encode abortive bacteriophage infection indicated homology with pTR2030 but not with pBF61 and pGBK17. The results suggest that a common genetic determinant(s) may be present in a variety of lactococcal plasmids coding for Rbs+.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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