Genetic incorporation of Nε-acetyllysine reveals a novel acetylation-sumoylation switch in yeast

Publication date: Available online 7 February 2017
Source:Biochimica et Biophysica Acta (BBA) - General Subjects
Author(s): Sang-Woo Kim, Kyung Jin Lee, Sinil Kim, Jihyo Kim, Kyukwang Cho, Hyeon-Su Ro, Hee-Sung Park
The lysine acetylation of proteins plays a key role in regulating protein functions, thereby controlling a wide range of cellular processes. Despite the prevalence and significance of lysine acetylation in eukaryotes, however, its systematic study has been challenged by the technical limitations of conventional approaches for selective lysine acetylation in vivo. Here, we report the in vivo study of lysine acetylation via the genetic incorporation of N^ε-acetyllysine in yeast. We demonstrate that a newly discovered acetylation-sumoylation switch precisely controls the localization and cellular function of the yeast septin protein, Cdc11, during the cell cycle. This approach should facilitate the comprehensive in vivo study of lysine acetylation across a wide range of proteins in eukaryotic organisms. This article is part of a Special Issue entitled "Biochemistry of Synthetic Biology - Recent Developments" Guest Editor: Dr. Ilka Heinemann and Dr. Patrick O’Donoghue.



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