Mutation of the crr-ptsI gene locus revealed that Streptomyces coelicolor uses the phosphotransferase system (PTS) for N-acetylglucosamine uptake. crr, ptsI, and ptsH, which encode the three general PTS phosphotransferases, are induced by N-acetylglucosamine but not by other PTS substrates. Thus, the S. coelicolor PTS is biased for N-acetylglucosamine utilization, a novel feature that distinguishes this PTS from others.
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Nothaft et al. (2003) studied this question.
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