2013
Sphingolipid Homeostasis in the Endoplasmic Reticulum and Beyond
Breslow DK. Sphingolipid Homeostasis in the Endoplasmic Reticulum and Beyond. Cold Spring Harbor Perspectives In Biology 2013, 5: a013326. PMID: 23545423, PMCID: PMC3683901, DOI: 10.1101/cshperspect.a013326.BooksConceptsSphingolipid homeostasisEndoplasmic reticulumEssential cellular rolesSphingolipid metabolismCritical regulatory sitePotent signaling moleculesCellular rolesFamily proteinsSphingolipid productionSignaling moleculesRegulatory sitesPhysiologic cuesBasic biochemistryComplex glycosphingolipidsMembrane functionHomeostasisDiverse groupSphingolipidsNew insightsReticulumMetabolic demandsDetailed understandingMetabolismStructural componentsInitial synthesis
2011
Protein kinase Ypk1 phosphorylates regulatory proteins Orm1 and Orm2 to control sphingolipid homeostasis in Saccharomyces cerevisiae
Roelants FM, Breslow DK, Muir A, Weissman JS, Thorner J. Protein kinase Ypk1 phosphorylates regulatory proteins Orm1 and Orm2 to control sphingolipid homeostasis in Saccharomyces cerevisiae. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 19222-19227. PMID: 22080611, PMCID: PMC3228448, DOI: 10.1073/pnas.1116948108.Peer-Reviewed Original ResearchConceptsProtein kinase Ypk1Orm phosphorylationSphingolipid depletionSphingolipid biosynthesisTORC2-dependent phosphorylationTemperature-sensitive growthIntegral membrane proteinsWild-type levelsOnly weak activationPrimary physiological roleMutant displaysYpk1Regulatory modificationFamily proteinsMembrane proteinsORM geneKey homeostatic regulatorsProtein kinaseSphingolipid homeostasisFirst enzymeSphingolipid productionSphingolipid synthesisEndoplasmic reticulumPhysiological rolePhosphorylation