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Sigma Factors
Essay # 10809
Sigma Factors
Discusses activities and functions in the protection of bacteria and environmental stresses.
1,125 words (approx. 4.5 pages) |
6 sources |
2001
From the Paper:
"This paper will look at sigma factors and the RpoS alternate sigma factor and their activities as regulators of gene transcription and as protectors of bacteria against environmental stress. Studies will be reviewed which examine various facets of the activity and properties of these factors.Introduction
Sigma factors are global regulators of gene transcription and confer specificity on transcription initiation by recognizing specific promoter sequences of different genes (Ho and Coates, 1999). Primary sigma factors in the RNA polymerase holoenzyme recognize housekeeping genes during the log-phase growth. With changes in environmental factors, sigma factors in the holoenzyme and the transcriptional regulation of different genes, are replaced."
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APA Citation:
Sigma Factors (2012, January 15). Retrieved February 11, 2012, from http://www.academon.com/Essay-Sigma-Factors/10809
MLA Citation:
"Sigma Factors" 15 January 2012. Web. 11 Feb. 2012. <http://www.academon.com/Essay-Sigma-Factors/10809>
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