Sigma Factors in Gene Expression
Published Online: 23 SEP 2005
Copyright © 2001 John Wiley & Sons, Ltd. All rights reserved.
How to Cite
Helmann, J. D. 2005. Sigma Factors in Gene Expression. eLS. .
- Published Online: 23 SEP 2005
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Sigma factors control the promoter selectivity of bacterial RNA polymerase. The synthesis of new sigma factors allows the coordinated activation of discrete sets of genes and thereby contributes to stress responses, motility, endospore formation, and numerous other adaptive responses.
- RNA polymerase;