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Presence of the PepV gene in viridans group streptococci, as shown by Southern blot analysis. Four micrograms of bacterial DNA was digested with HindIII and hybridized with the PepV probe. Lanes: M, molecular mass markers; 1, S. gordonii PK48; 2, S. gordonii PK48; 3, S. gordonii DL1; 4, S. gordonii PK2585; 5, S. parasanguinis PK2584; 6, S. mitis J27; 7, S. oralis J21; 8, S. oralis PK34; 9, S. salivarius ATCC 27945.
