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Master's Theses

2012

Acetylation

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The Effect Of Glucose On Transcription At Cpxr- And Ompr-Regulated Promoters, Andrew Charles Cosgrove Jan 2012

The Effect Of Glucose On Transcription At Cpxr- And Ompr-Regulated Promoters, Andrew Charles Cosgrove

Master's Theses

While reversible acetylation of proteins has been well studied in eukaryotes and is now recognized in bacteria, global protein acetylation in bacteria is a recently appreciated phenomenon. Protein acetylation is known to affect almost every aspect of cellular physiology in eukaryotes and there is proteomic evidence that this may also hold true in bacteria. In eukaryotes, lysines are acetylated by acetyltransferases that use acetyl-CoA as the acetyl group source, and de-acetylated by deacetylases. In bacteria, this reversible process uses enzymes homologous to those used by eukaryotes.

Our lab has recently found that acetylation of RNA polymerase (RNAP) can activate transcription …