SGD Paper 
Thevissen K, et al. (2010) Skn1 and Ipt1 negatively regulate autophagy in Saccharomyces cerevisiae. FEMS Microbiol Lett 303(2):163-8
Abstract: Abstract We demonstrated that a yeast deletion mutant in IPT1 and SKN1, encoding proteins involved in the biosynthesis of mannosyldiinositolphosphoryl ceramides, is characterized by increased autophagy and DNA fragmentation upon nitrogen (N) starvation as compared with the single deletion mutants or wild type (WT). Apoptotic features were not significantly different between single and double deletion mutants upon N starvation, pointing to increased autophagy in the double Deltaipt1Deltaskn1 deletion mutant independent of apoptosis. We observed increased basal levels of phytosphingosine in membranes of the double Deltaipt1Deltaskn1 deletion mutant as compared with the single deletion mutants or WT. These data point to a negative regulation of autophagy by both Ipt1 and Skn1 in yeast, with a putative involvement of phytosphingosine in this process.
| Status: Published | Type: Journal Article | PubMed ID: 20030721 |
Topics addressed in this paper
Number of different genes curated to this paper: 2
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