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Lookup NU author(s): Dr Adam WollmanORCiD
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© FEMS 2017. A yeast Saccharomyces cerevisiae Snf1 kinase, an analog of mammalian AMPK, regulates glucose derepression of genes required for utilization of alternative carbon sources through the transcriptional repressor Mig1. It has been suggested that the Glc7-Reg1 phosphatase dephosphorylates Mig1. Here we report that Mig1 is dephosphorylated by Glc7-Reg1 in an apparently glucose-dependent mechanism but also by a mechanism independent of glucose and Glc7-Reg1. In addition to serine/threonine phosphatases another process including tyrosine phosphorylation seems crucial for Mig1 regulation. Taken together, Mig1 dephosphorylation appears to be controlled in a complex manner, in line with the importance for rapid and sensitive regulation upon altered glucose concentrations in the growth medium.
Author(s): Shashkova S, Wollman AJM, Leake MC, Hohmann S
Publication type: Letter
Publication status: Published
Journal: FEMS Microbiology Letters
Year: 2017
Volume: 364
Issue: 14
Print publication date: 01/07/2017
Online publication date: 22/06/2017
Acceptance date: 21/06/2017
ISSN (print): 0378-1097
ISSN (electronic): 1574-6968
Publisher: Oxford University Press
URL: https://doi.org/10.1093/femsle/fnx133
DOI: 10.1093/femsle/fnx133
PubMed id: 28854669