Journal
MOLECULAR CELL
Volume 43, Issue 6, Pages 880-891Publisher
CELL PRESS
DOI: 10.1016/j.molcel.2011.08.022
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Funding
- Intramural NIH HHS [ZIA HD001608-19] Funding Source: Medline
- NIGMS NIH HHS [R01 GM067955-09, R13 GM096742-01, R13 GM096742, R01 GM067955] Funding Source: Medline
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Research on the discovery and characterization of small, regulatory RNAs in bacteria has exploded in recent years. These sRNAs act by base pairing with target mRNAs with which they share limited or extended complementarity, or by modulating protein activity, in some cases by mimicking other nucleic acids. Mechanistic insights into how sRNAs bind mRNAs and proteins, how they compete with each other, and how they interface with ribonucleases are active areas of discovery. Current work also has begun to illuminate how sRNAs modulate expression of distinct regulons and key transcription factors, thus integrating sRNA activity into extensive regulatory networks. In addition, the application of RNA deep sequencing has led to reports of hundreds of additional sRNA candidates in a wide swath of bacterial species. Most importantly, recent studies have served to clarify the abundance of remaining questions about how, when, and why sRNA-mediated regulation is of such importance to bacterial lifestyles.
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