RRC ID 36247
著者 Mochida K, Ohsumi Y, Nakatogawa H.
タイトル Hrr25 phosphorylates the autophagic receptor Atg34 to promote vacuolar transport of α-mannosidase under nitrogen starvation conditions.
ジャーナル FEBS Lett
Abstract In Saccharomyces cerevisiae, under nitrogen-starvation conditions, the α-mannosidase Ams1 is recognized by the autophagic receptor Atg34 and transported into the vacuole, where it functions as an active enzyme. In this study, we identified Hrr25 as the kinase that phosphorylates Atg34 under these conditions. Hrr25-mediated phosphorylation does not affect the interaction of Atg34 with Ams1, but instead promotes Atg34 binding to the adaptor protein Atg11, which recruits the autophagy machinery to the Ams1-Atg34 complex, resulting in activation of the vacuolar transport of Ams1. Our findings reveal the regulatory mechanism of a biosynthetic pathway mediated by the autophagy machinery.
巻・号 588(21)
ページ 3862-9
公開日 2014-11-3
DOI 10.1016/j.febslet.2014.09.032
PII S0014-5793(14)00709-1
PMID 25281559
MeSH Autophagy Autophagy-Related Proteins Casein Kinase I / metabolism* Nitrogen / deficiency* Phosphorylation Protein Transport Receptors, Cytoplasmic and Nuclear / metabolism* Saccharomyces cerevisiae / cytology Saccharomyces cerevisiae / metabolism Saccharomyces cerevisiae Proteins / metabolism* Vacuoles / metabolism* Vesicular Transport Proteins / metabolism alpha-Mannosidase / metabolism*
IF 3.057
引用数 19
WOS 分野 BIOPHYSICS BIOCHEMISTRY & MOLECULAR BIOLOGY CELL BIOLOGY
リソース情報
酵母 AID system