10.1111/j.1365-2958.1991.tb02109.x
Crossref journal-article
Wiley
Molecular Microbiology (311)
Abstract

SummaryThe stringent response was elicited in the antibiotic producer Streptomyces coelicolor A3(2) either by amino acid depletion (nutritional shiftdown) or by the addition of serine hydroxamate; both led to increased levels of ppGpp and to a reduction in transcription from the four promoters of the rrnD rRNA gene set. Analysis of untreated batch cultures revealed elevated ppGpp levels at the end of exponential growth, preceding the onset of antibiotic production. The effect of provoking the stringent response on antibiotic production in exponentially growing cultures was assessed by S1 nuclease mapping of actIII, an early gene of the actinorhodin biosynthetic cluster. Expression of act III occurred after nutritional shiftdown, but not after treatment with serine hydroxamate. Although the need for ppGpp in triggering antibiotic production remains equivocal, ppGpp synthesis atone does not appear to be sufficient to initiate secondary metabolism in S. coelicolor A3(2).

Bibliography

Strauch, E., Takano, E., Baylts, H. A., & Bibb, M. J. (1991). The stringent response in Streptomyces coelicolor A3(2). Molecular Microbiology, 5(2), 289–298. Portico.

Authors 4
  1. E. Strauch (first)
  2. E. Takano (additional)
  3. H. A. Baylts (additional)
  4. M. J. Bibb (additional)
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Dates
Type When
Created 18 years, 10 months ago (Oct. 27, 2006, 5:52 p.m.)
Deposited 1 year, 10 months ago (Oct. 23, 2023, 12:33 a.m.)
Indexed 3 months, 1 week ago (May 18, 2025, 10:24 a.m.)
Issued 34 years, 6 months ago (Feb. 1, 1991)
Published 34 years, 6 months ago (Feb. 1, 1991)
Published Online 18 years, 10 months ago (Oct. 27, 2006)
Published Print 34 years, 6 months ago (Feb. 1, 1991)
Funders 0

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@article{Strauch_1991, title={The stringent response in Streptomyces coelicolor A3(2)}, volume={5}, ISSN={1365-2958}, url={http://dx.doi.org/10.1111/j.1365-2958.1991.tb02109.x}, DOI={10.1111/j.1365-2958.1991.tb02109.x}, number={2}, journal={Molecular Microbiology}, publisher={Wiley}, author={Strauch, E. and Takano, E. and Baylts, H. A. and Bibb, M. J.}, year={1991}, month=feb, pages={289–298} }