Two plasmid-determined restriction and modification systems in Streptococcus lactis.
Plasmid, 1984/5;11(3):260-3.
Chopin A, Chopin MC, Moillo-Batt A, Langella P
PMID: 6087394
Impact factor: 3.085
Abstract
Two restriction and modification systems were found in Streptococcus lactis strain IL594 which was found to contain 9 plasmids designated pIL1 to pIL9. On the basis of protoplast-induced curing experiments, we showed that a restriction and modification system was related to the presence of pIL6 or pIL7. The pIL6-determined restriction and modification system was confirmed by cotransfer of the plasmid and of the restriction and modification system to a plasmid-free, nonrestricting, and nonmodifying derivative of S. lactis IL594.
MeSH terms
Bacteriophages; Conjugation, Genetic; DNA Restriction Enzymes; DNA, Bacterial; DNA, Viral; Lactococcus lactis; Plasmids
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