Crossref journal-article
American Society for Microbiology
Journal of Bacteriology (235)
Abstract

Previous studies showed that Streptomyces coelicolor A3(2) has four genes (hrdA, hrdB, hrdC, and hrdD) that appear to encode RNA polymerase sigma factors very similar to the sigma 70 subunit of Escherichia coli and that hrdC and hrdD could be individually disrupted without causing obvious phenotypic defects. Here, hrdA was cloned and stable null hrdA and hrdD mutants were constructed by gene replacement. These two mutants and a previously constructed hrdC null mutant were used in crosses to generate hrdAC, hrdAD, hrdCD, and hrdACD strains. The inability to synthesize one, two, or all three of the nonessential hrd-encoded sigma factors had no obvious phenotypic consequences.

Bibliography

Buttner, M. J., & Lewis, C. G. (1992). Construction and characterization of Streptomyces coelicolor A3(2) mutants that are multiply deficient in the nonessential hrd-encoded RNA polymerase sigma factors. Journal of Bacteriology, 174(15), 5165–5167.

Authors 2
  1. M J Buttner (first)
  2. C G Lewis (additional)
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Dates
Type When
Created 8 years, 10 months ago (Nov. 7, 2016, 11:17 a.m.)
Deposited 4 years, 1 month ago (July 29, 2021, 1:47 p.m.)
Indexed 1 month ago (Aug. 5, 2025, 8:14 a.m.)
Issued 33 years, 1 month ago (Aug. 1, 1992)
Published 33 years, 1 month ago (Aug. 1, 1992)
Published Print 33 years, 1 month ago (Aug. 1, 1992)
Funders 0

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@article{Buttner_1992, title={Construction and characterization of Streptomyces coelicolor A3(2) mutants that are multiply deficient in the nonessential hrd-encoded RNA polymerase sigma factors}, volume={174}, ISSN={1098-5530}, url={http://dx.doi.org/10.1128/jb.174.15.5165-5167.1992}, DOI={10.1128/jb.174.15.5165-5167.1992}, number={15}, journal={Journal of Bacteriology}, publisher={American Society for Microbiology}, author={Buttner, M J and Lewis, C G}, year={1992}, month=aug, pages={5165–5167} }