TY - RPRT TI - Lactococcal plasmid pNP40 encodes a novel, temperature-sensitive restriction-modification system. AU - Jonathan O'Driscoll AU - Frances Glynn AU - Oonagh Cahalane AU - Mary O'Connell-Motherway AU - Gerald F Fitzgerald AU - Douwe Van Sinderen PY - 2004 DO - 10.1128/aem.70.9.5546-5556.2004 UR - https://pubmed.ncbi.nlm.nih.gov/15345443/ ID - 15345443 ER -