Bacteriology Questions

John Chalmers non12 at
Tue Apr 28 13:13:24 EST 1998

Since soil concentrations of most antibiotics are extremely low, even in
close proximity to the producer organisms, it has been postulated that
some antibiotics may serve as growth regulators or "hormones" for
the producers. Most are produced very late in the growth cycle ("stationary
phase") and may serve as signals for sporulation or for the switch to
a different growth habit including the formation of quiescent forms as
essential nutrients or growth conditions become limiting.


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