作者: Nancy E. Freitag , Daniel A. Portnoy
DOI: 10.1111/J.1365-2958.1994.TB01070.X
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摘要: … The -35 region double deletion mutant DP-L1867 had levels of … mutant DP-LI 964, which had neariy undetectable levels. This suggests that a low level of prfA expression occurs in DP-…