2017
A Peptidergic Circuit Links the Circadian Clock to Locomotor Activity
King AN, Barber AF, Smith AE, Dreyer AP, Sitaraman D, Nitabach MN, Cavanaugh DJ, Sehgal A. A Peptidergic Circuit Links the Circadian Clock to Locomotor Activity. Current Biology 2017, 27: 1915-1927.e5. PMID: 28669757, PMCID: PMC5698909, DOI: 10.1016/j.cub.2017.05.089.Peer-Reviewed Original ResearchConceptsLocomotor activitySubesophageal zonePeptidergic circuitsPars intercerebralisCorticotropin-releasing factorVentral nerve cordSite of actionReceptor 1Motor outputCircadian locomotor activityNerve cordNeuronsRelevant receptorsDrosophila brainHr rhythmsCircadian driveRhythmFeeding rhythmDiuretic hormone 44Minimal effectActivity rhythmsBehavioral rhythmsCircadian locomotionCircadian controlCordMembrane Currents, Gene Expression, and Circadian Clocks
Allen CN, Nitabach MN, Colwell CS. Membrane Currents, Gene Expression, and Circadian Clocks. Cold Spring Harbor Perspectives In Biology 2017, 9: a027714. PMID: 28246182, PMCID: PMC5411696, DOI: 10.1101/cshperspect.a027714.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsCell MembraneCircadian ClocksCircadian RhythmGene Expression RegulationHumansNeuronsConceptsCircadian clockGene ClockMembrane electrical activityCyclic adenosine monophosphateCircadian clock neuronsCircadian outputClock neuronsGenetic clockGene expressionCircadian oscillatorIntracellular CaAdenosine monophosphateFeedback loopPathwayClockHuman healthAction potential firing patternsMammalianActivityAction potential firingNightly reductionsMultiple typesExpressionMembrane currentsCircadian pattern
2013
Genetically Targeted Optical Electrophysiology in Intact Neural Circuits
Cao G, Platisa J, Pieribone VA, Raccuglia D, Kunst M, Nitabach MN. Genetically Targeted Optical Electrophysiology in Intact Neural Circuits. Cell 2013, 154: 904-913. PMID: 23932121, PMCID: PMC3874294, DOI: 10.1016/j.cell.2013.07.027.Peer-Reviewed Original ResearchConceptsIntact neural circuitsNeural circuitsIntact brain tissueMembrane potentialNeuronal information processingNervous systemAction potentialsBrain tissueNeuronsStudy of intracellularElectrical activityKey cellular parametersMultiple neuronsElectrical eventsSubthreshold eventsNeurite branchesOptical electrophysiologyReliable recordingCellular parametersVoltage indicatorsFluorescent voltage indicatorsBrainO-GlcNAc Signaling Entrains the Circadian Clock by Inhibiting BMAL1/CLOCK Ubiquitination
Li MD, Ruan HB, Hughes ME, Lee JS, Singh JP, Jones SP, Nitabach MN, Yang X. O-GlcNAc Signaling Entrains the Circadian Clock by Inhibiting BMAL1/CLOCK Ubiquitination. Cell Metabolism 2013, 17: 303-310. PMID: 23395176, PMCID: PMC3647362, DOI: 10.1016/j.cmet.2012.12.015.Peer-Reviewed Original ResearchConceptsCircadian clockProtein modificationNutrient-sensing pathwaysO-GlcNAc signalingHexosamine biosynthesis pathwayCovalent protein modificationBiosynthesis pathwayGlcNAc transferaseNutritional signalsClock oscillationsO-GlcNAcylationAberrant circadian rhythmsClock targetsOGT expressionCircadian oscillationsUbiquitinationN-acetylglucosamineNutrient fluxesMetabolic oscillationsBMAL1GenesPathwayCircadian rhythmKey mechanismClock
2012
Deep sequencing the circadian and diurnal transcriptome of Drosophila brain
Hughes ME, Grant GR, Paquin C, Qian J, Nitabach MN. Deep sequencing the circadian and diurnal transcriptome of Drosophila brain. Genome Research 2012, 22: 1266-1281. PMID: 22472103, PMCID: PMC3396368, DOI: 10.1101/gr.128876.111.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAnimalsBase SequenceBrainCircadian ClocksCircadian RhythmDrosophila melanogasterExonsGene Expression ProfilingMolecular Sequence AnnotationPhotoperiodRNA EditingRNA IsoformsRNA Splice SitesRNA, UntranslatedSequence AlignmentSequence Analysis, RNATranscription, GeneticTranscriptomeConceptsKey circadian genesRNA editingNoncoding RNAsCircadian genesDrosophila brainGenome-wide mapsEukaryotic circadian clocksCircadian transcriptional rhythmsSnoRNA host genesTranslational feedback loopsSmall nucleolar RNAsNovel splicing eventsAlternative splice isoformsDark diurnal cyclesFrequency of RNAPrevious microarray studyDiurnal transcriptomeDrosophila melanogaster brainTranscriptional rhythmsCircadian transcriptomeNcRNA expressionRibosomal biogenesisModENCODE consortiumSplicing eventsAlternative splicing
2011
Insect circadian clock outputs
Helfrich-Förster C, Nitabach MN, Holmes TC. Insect circadian clock outputs. Essays In Biochemistry 2011, 49: 87-101. PMID: 21819386, DOI: 10.1042/bse0490087.Peer-Reviewed Original ResearchConceptsClock neuronsDaily rhythmsCircadian clock outputBrain clockCellular clocksDrosophila fliesCircadian timekeeping systemCircadian outputEnvironmental cuesClock outputMigratory locustInsectsTimekeeping systemCircadian rhythmicitySubstantial similarityClockImpressive varietyButterfliesLocal environmentFliesClock circuitEntire lifeLocustTimekeeperPhysiology