2024
Antagonism between neuropeptides and monoamines in a distributed circuit for pathogen avoidance
Marquina-Solis J, Feng L, Vandewyer E, Beets I, Hawk J, Colón-Ramos D, Yu J, Fox B, Schroeder F, Bargmann C. Antagonism between neuropeptides and monoamines in a distributed circuit for pathogen avoidance. Cell Reports 2024, 43: 114042. PMID: 38573858, PMCID: PMC11063628, DOI: 10.1016/j.celrep.2024.114042.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAvoidance LearningBiogenic MonoaminesCaenorhabditis elegansCaenorhabditis elegans ProteinsNeuronsNeuropeptidesPseudomonas aeruginosaReceptors, G-Protein-CoupledSignal TransductionConceptsFLP-1 neuropeptidesBacterium Pseudomonas aeruginosa PA14Pathogen avoidanceGrowth factor BNematode Caenorhabditis elegansC. elegansCaenorhabditis elegansAvoidance signalPathogen infectionFlp-1NeuropeptidePathogensNeuronsMultiple mechanismsMultiple neuronsInfectionNeuromodulationPromote recoveryFactor BAvoidance behaviorAVKPA14
2013
Synapse Location during Growth Depends on Glia Location
Shao Z, Watanabe S, Christensen R, Jorgensen EM, Colón-Ramos DA. Synapse Location during Growth Depends on Glia Location. Cell 2013, 154: 337-350. PMID: 23870123, PMCID: PMC3808971, DOI: 10.1016/j.cell.2013.06.028.Peer-Reviewed Original ResearchSerotonergic Neurosecretory Synapse Targeting Is Controlled by Netrin-Releasing Guidepost Neurons in Caenorhabditis elegans
Nelson JC, Colón-Ramos DA. Serotonergic Neurosecretory Synapse Targeting Is Controlled by Netrin-Releasing Guidepost Neurons in Caenorhabditis elegans. Journal Of Neuroscience 2013, 33: 1366-1376. PMID: 23345213, PMCID: PMC3584569, DOI: 10.1523/jneurosci.3471-12.2012.Peer-Reviewed Original ResearchConceptsUNC-34/EnabledReceptor UNC-40/DCCUNC-6/NetrinUNC-40/DCCNetrin receptor UNC-40/DCCCaenorhabditis elegansUNC-40NSM neuronsSynapse targetingMolecular linkMolecular mechanismsNovel mechanismSpatial specificitySite targetsRelease sitesNetrinPostsynaptic partnersSite formationRing neuronsSpecific regionsTargetingCaenorhabditisElegansLamellipodinGuidepost neurons
2012
Synaptic vesicle clustering requires a distinct MIG-10/Lamellipodin isoform and ABI-1 downstream from Netrin
Stavoe AK, Nelson JC, Martínez-Velázquez LA, Klein M, Samuel AD, Colón-Ramos DA. Synaptic vesicle clustering requires a distinct MIG-10/Lamellipodin isoform and ABI-1 downstream from Netrin. Genes & Development 2012, 26: 2206-2221. PMID: 23028145, PMCID: PMC3465741, DOI: 10.1101/gad.193409.112.Peer-Reviewed Original ResearchConceptsN-terminal domainActin cytoskeletonUnique N-terminal domainNeurodevelopmental programsSpecific subcellular domainsDistinct subcellular compartmentsN-terminal motifSynaptic vesicle clusteringIndividual cellular responsesNetrin signalsThermotaxis behaviorSubcellular compartmentsVesicle clusteringSubcellular domainsCellular responsesSynaptic vesiclesNetrinProtein 1IsoformsPresynaptic regionCytoskeletonMotifPresynaptic sitesVesiclesNeurodevelopmental responseNetrin instructs synaptic vesicle clustering through Rac GTPase, MIG-10, and the actin cytoskeleton
Stavoe AK, Colón-Ramos DA. Netrin instructs synaptic vesicle clustering through Rac GTPase, MIG-10, and the actin cytoskeleton. Journal Of Cell Biology 2012, 197: 75-88. PMID: 22451697, PMCID: PMC3317799, DOI: 10.1083/jcb.201110127.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonAnimalsCaenorhabditis elegansCaenorhabditis elegans ProteinsNerve Tissue ProteinsNetrinsRac GTP-Binding ProteinsSynaptic VesiclesConceptsActive zone proteinsActin cytoskeletonUNC-40Synaptic vesiclesSynapse assemblyVesicle clusteringCED-10/Rac1CED-5/DOCK180Receptor UNC-40/DCCPresynaptic regionUNC-40/DCCNetrin receptor UNC-40/DCCZone proteinSynaptic vesicle clusteringSeparate pathways downstreamRole of netrinsCED-5MIG-10Subcellular localizationRac GTPasePathways downstreamCytoskeletonCell migrationNetrinVesicles
2011
A conserved PTEN/FOXO pathway regulates neuronal morphology during C. elegans development
Christensen R, de la Torre-Ubieta L, Bonni A, Colón-Ramos DA. A conserved PTEN/FOXO pathway regulates neuronal morphology during C. elegans development. Development 2011, 138: 5257-5267. PMID: 22069193, PMCID: PMC3210501, DOI: 10.1242/dev.069062.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsAnimals, Genetically ModifiedCaenorhabditis elegansCaenorhabditis elegans ProteinsForkhead Transcription FactorsImmunohistochemistryMicroscopy, FluorescenceNeuritesNeurogenesisPhosphatidylinositol 3-KinaseProtein IsoformsRNA InterferenceRNA, Small InterferingSignal TransductionTranscription FactorsTransgenesConceptsDAF-16/FOXOPI3KDAF-18/PTENC. elegans developmentSignal transduction cascadeNeurite outgrowthMajor negative regulatorPI3K pathway activityDaf-18Caenorhabditis elegansDAF-16Transduction cascadeFOXO pathwayNegative regulatorNeuronal cell morphologyNovel roleFOXOMammalian neuronsCorrect developmentPathway activityF isoformsNovel mechanismCell morphologyPathwayNeuronal morphology
2007
Glia Promote Local Synaptogenesis Through UNC-6 (Netrin) Signaling in C. elegans
Colón-Ramos D, Margeta MA, Shen K. Glia Promote Local Synaptogenesis Through UNC-6 (Netrin) Signaling in C. elegans. Science 2007, 318: 103-106. PMID: 17916735, PMCID: PMC2741089, DOI: 10.1126/science.1143762.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, Genetically ModifiedAxonsCaenorhabditis elegansCaenorhabditis elegans ProteinsCell Adhesion MoleculesInterneuronsNerve Tissue ProteinsNetrinsNeurogliaSignal TransductionSynapses