2022
KARRIKIN UP-REGULATED F-BOX 1 (KUF1) imposes negative feedback regulation of karrikin and KAI2 ligand metabolism in Arabidopsis thaliana
Sepulveda C, Guzmán MA, Li Q, Villaécija-Aguilar JA, Martinez SE, Kamran M, Khosla A, Liu W, Gendron JM, Gutjahr C, Waters MT, Nelson DC. KARRIKIN UP-REGULATED F-BOX 1 (KUF1) imposes negative feedback regulation of karrikin and KAI2 ligand metabolism in Arabidopsis thaliana. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2112820119. PMID: 35254909, PMCID: PMC8931227, DOI: 10.1073/pnas.2112820119.Peer-Reviewed Original ResearchConceptsKAI2-ligandsF-BOX 1Fire-prone environmentsArabidopsis thalianaNegative feedback loopKarrikinsNegative feedback regulationFeedback regulationExpression increasesPlantsGerminationLigand metabolismFeedback loopFurther activationMetabolismThalianaBiosynthesisGenesSpeciesRegulationPathwayActivationDiscoveryResponseGrowth
2015
The Unfolded Protein Response Triggers Site-Specific Regulatory Ubiquitylation of 40S Ribosomal Proteins
Higgins R, Gendron JM, Rising L, Mak R, Webb K, Kaiser SE, Zuzow N, Riviere P, Yang B, Fenech E, Tang X, Lindsay SA, Christianson JC, Hampton RY, Wasserman SA, Bennett EJ. The Unfolded Protein Response Triggers Site-Specific Regulatory Ubiquitylation of 40S Ribosomal Proteins. Molecular Cell 2015, 59: 35-49. PMID: 26051182, PMCID: PMC4491043, DOI: 10.1016/j.molcel.2015.04.026.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCell LineCell SurvivalDrosophilaEIF-2 KinaseEndoplasmic ReticulumEndoplasmic Reticulum StressEukaryotic Initiation Factor-2Gene Expression RegulationHumansMolecular Sequence DataPhosphorylationProtein BiosynthesisRibosome Subunits, Small, EukaryoticSaccharomyces cerevisiaeUbiquitinationUnfolded Protein ResponseConceptsUnfolded protein responseRegulatory ubiquitylationRibosomal proteinsUPR activationEukaryotic translational controlUbiquitin-dependent regulationER-resident proteinsChronic UPR activationTranslational reprogrammingER homeostasisTranslational controlCytoplasmic ribosomesProtein foldingTranslation inhibitionProtein responseUbiquitylationPERK signalingUbiquitin proteomicsOptimal cell survivalCell survivalProtein synthesisProteinDegradation capacityReprogrammingActivation