2024
A circadian clock output functions independently of phyB to sustain daytime PIF3 degradation
Liu W, Lowrey H, Xu A, Leung C, Adamchek C, He J, Du J, Chen M, Gendron J. A circadian clock output functions independently of phyB to sustain daytime PIF3 degradation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2408322121. PMID: 39163340, PMCID: PMC11363348, DOI: 10.1073/pnas.2408322121.Peer-Reviewed Original ResearchConceptsPhytochrome-interacting factorsF-boxRed-light photoreceptor phytochrome BPhotoreceptor phytochrome BCircadian clock outputE3 ubiquitin ligaseDownstream biological processesPhyB signalingGrowth-regulating mechanismsTranscriptional connectionsPhytochrome BClock's roleRhythmic transcriptionUbiquitin ligaseClock regulationGenetic evidenceMonochromatic red lightProtein stabilityCircadian clockPhyBBiological processesPlant growthClock outputCircadian expressionRegulation mechanism
2021
A metabolic daylength measurement system mediates winter photoperiodism in plants
Liu W, Feke A, Leung CC, Tarté DA, Yuan W, Vanderwall M, Sager G, Wu X, Schear A, Clark DA, Thines BC, Gendron JM. A metabolic daylength measurement system mediates winter photoperiodism in plants. Developmental Cell 2021, 56: 2501-2515.e5. PMID: 34407427, PMCID: PMC8440495, DOI: 10.1016/j.devcel.2021.07.016.Peer-Reviewed Original ResearchMeSH KeywordsArabidopsisArabidopsis ProteinsCircadian ClocksCircadian RhythmFlowersGene Expression Regulation, PlantPhotoperiodSeasonsConceptsPhotoperiodic floweringPlant fitnessCellular healthMetabolic networksStudy systemPhotoperiodic regulationWinter-like photoperiodsVegetative healthPhotoperiodic expressionsSucrose levelsPlantsStarch productionFloweringPhotoperiodismArabidopsisPhotosynthesisGenesPromoterFlowersBioinformaticsReporterLuciferaseFitnessRegulationPhotoperiodFunctional domain studies uncover novel roles for the ZTL Kelch repeat domain in clock function
Feke A, Vanderwall M, Liu W, Gendron JM. Functional domain studies uncover novel roles for the ZTL Kelch repeat domain in clock function. PLOS ONE 2021, 16: e0235938. PMID: 33730063, PMCID: PMC7968664, DOI: 10.1371/journal.pone.0235938.Peer-Reviewed Original ResearchConceptsLOV KELCH PROTEIN 2Kelch repeat domainRepeat domainLOV domainsF-BOX PROTEIN 1Protein-protein interaction domainsPlant circadian clockFLAVIN-BINDING KELCHProtein domain architecturePotential interacting partnerE3 ubiquitin ligasesInteracting partnerDomain architectureProtein complexesUbiquitin ligasesKelch proteinProtein familyTransgenic linesFlowering timeKelch familyProtein domainsZEITLUPEInteraction domainClock functionUnique photoreceptor
2020
Same Concept Different Outcomes: Sugars Determine Circadian Clock Protein Fate in Animals and Plants
Liu W, Gendron J. Same Concept Different Outcomes: Sugars Determine Circadian Clock Protein Fate in Animals and Plants. Molecular Plant 2020, 13: 360-362. PMID: 32092448, DOI: 10.1016/j.molp.2020.02.013.Peer-Reviewed Original Research
2019
GIGANTEA recruits the UBP12 and UBP13 deubiquitylases to regulate accumulation of the ZTL photoreceptor complex
Lee CM, Li MW, Feke A, Liu W, Saffer AM, Gendron JM. GIGANTEA recruits the UBP12 and UBP13 deubiquitylases to regulate accumulation of the ZTL photoreceptor complex. Nature Communications 2019, 10: 3750. PMID: 31434902, PMCID: PMC6704089, DOI: 10.1038/s41467-019-11769-7.Peer-Reviewed Original ResearchConceptsDeubiquitylating enzymesCircadian clockTarget proteinsE3 ubiquitin ligase activityPlant circadian clockUbiquitin-specific protease 12Post-transcriptional mechanismsUbiquitin ligase activityPhotoreceptor complexZTL proteinProtein ubiquitylationInteracting partnerProtein complexesLigase activityZEITLUPEUBP12Gi protein levelsUBP13Enzyme typeLight conditionsGiganteaProtein levelsProteinEnzymeDay light conditionsDecoys provide a scalable platform for the identification of plant E3 ubiquitin ligases that regulate circadian function
Feke A, Liu W, Hong J, Li MW, Lee CM, Zhou EK, Gendron JM. Decoys provide a scalable platform for the identification of plant E3 ubiquitin ligases that regulate circadian function. ELife 2019, 8: e44558. PMID: 30950791, PMCID: PMC6483598, DOI: 10.7554/elife.44558.Peer-Reviewed Original ResearchConceptsE3 ubiquitin ligasesUbiquitin ligasesCircadian clockCircadian functionPlant E3 ubiquitin ligasesTransgenic Arabidopsis plantsNew potential regulatorsArabidopsis plantsRegulated degradationPlant developmentClock proteinsClock regulatorsFunctional redundancyE3 ubiquitinProtein degradationGenetic challengesLigasesPotential regulatorCircadian periodScreening platformUbiquitinRegulatorDecoysSplicingClock
2018
Decoys Untangle Complicated Redundancy and Reveal Targets of Circadian Clock F-Box Proteins
Lee CM, Feke A, Li MW, Adamchek C, Webb K, Pruneda-Paz J, Bennett EJ, Kay SA, Gendron JM. Decoys Untangle Complicated Redundancy and Reveal Targets of Circadian Clock F-Box Proteins. Plant Physiology 2018, 177: 1170-1186. PMID: 29794020, PMCID: PMC6052990, DOI: 10.1104/pp.18.00331.Peer-Reviewed Original ResearchConceptsLOV KELCH PROTEIN2Target proteinsCircadian clockEukaryotic circadian clocksF-box proteinsE3 ubiquitin ligasesUbiquitin-proteasome systemDominant-negative formImmunoprecipitation-mass spectrometryMutant plantsF-BOX1Genetic redundancyChe proteinsKELCH REPEATClock proteinsUbiquitin ligasesZEITLUPEFlowering timeFKF1Proteasome systemFlavin bindingBiochemical roleProteinLight conditionsUbiquitylation
2012
Arabidopsis circadian clock protein, TOC1, is a DNA-binding transcription factor
Gendron JM, Pruneda-Paz JL, Doherty CJ, Gross AM, Kang SE, Kay SA. Arabidopsis circadian clock protein, TOC1, is a DNA-binding transcription factor. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 3167-3172. PMID: 22315425, PMCID: PMC3286946, DOI: 10.1073/pnas.1200355109.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceArabidopsisArabidopsis ProteinsBase SequenceCircadian ClocksDNA, PlantDNA-Binding ProteinsGene Expression Regulation, PlantGenes, PlantMolecular Sequence DataPromoter Regions, GeneticProtein BindingProtein Structure, TertiaryRepressor ProteinsTranscription FactorsTranscription, GeneticConceptsCIRCADIAN CLOCK ASSOCIATED 1CCT domainTranscription factorsDNA-binding transcription factorsGAL4/UAS systemCAB EXPRESSION 1MYB transcription factorsArabidopsis circadian clockCCA1/LHYDNA-binding domainSpecific genomic regionsCircadian clock proteinsGeneral transcriptional repressorGenetic data supportChemical inductionLHY promoterPlant clockTOC1 promoterArabidopsis seedlingsRepression activityGenomic scaleClock proteinsLHY expressionTranscriptional repressorGenomic regions