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Curr Opin Microbiol. 2012 Jun;15(3):357-63. doi: 10.1016/j.mib.2012.05.003. Epub 2012 May 24.

Proteomics reveals evidence of cross-talk between protein modifications in bacteria: focus on acetylation and phosphorylation.

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Proteome Center Tuebingen, University of Tuebingen, Germany.


Recent advances in gel-free, mass spectrometry-based proteomics have firmly established existence of serine phosphorylation, threonine phosphorylation, tyrosine phosphorylation and lysine acetylation on many bacterial proteins. Intriguingly, numerous proteins have been shown to be modified by both modifications, leading to the emerging concept of cross-talk between posttranslational modifications in bacteria. This concept is further supported by biological follow-up studies that are starting to reveal bacterial proteins and processes regulated by multiple modifications. In this review, we provide an overview of the large-scale studies involving protein phosphorylation and acetylation in bacteria and discuss some of the current examples of cross-talk between these and other bacterial modifications.

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