Janda W M, Kuramitsu H K
Infect Immun. 1978 Jul;21(1):345-7. doi: 10.1128/iai.21.1.345-347.1978.
Penicillin-treated cultures of Streptococcus mutants GS-5 produced elevated levels of extracellular glucosyltransferase activity.
用青霉素处理过的变形链球菌GS-5培养物产生了细胞外葡糖基转移酶活性的升高水平。