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
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
2009
Exploring the transcriptional landscape of plant circadian rhythms using genome tiling arrays
Hazen SP, Naef F, Quisel T, Gendron JM, Chen H, Ecker JR, Borevitz JO, Kay SA. Exploring the transcriptional landscape of plant circadian rhythms using genome tiling arrays. Genome Biology 2009, 10: r17. PMID: 19210792, PMCID: PMC2688271, DOI: 10.1186/gb-2009-10-2-r17.Peer-Reviewed Original ResearchConceptsArabidopsis genomeCircadian clockCircadian clock regulationPlant circadian rhythmsSmall nucleolar RNAsGenome tiling arraysRhythmic expression patternCircadian rhythmClock regulationTranscriptional landscapeTiling arraysIntergenic regionNucleolar RNAsAntisense transcriptsUnbiased interrogationWhole genomeNoncoding regionsExpression patternsGenomeSense strandTranscriptsGenesProteinUnbiased analysisIntrons