Featured Publications
Molecular topography of an entire nervous system
Taylor SR, Santpere G, Weinreb A, Barrett A, Reilly MB, Xu C, Varol E, Oikonomou P, Glenwinkel L, McWhirter R, Poff A, Basavaraju M, Rafi I, Yemini E, Cook SJ, Abrams A, Vidal B, Cros C, Tavazoie S, Sestan N, Hammarlund M, Hobert O, Miller DM. Molecular topography of an entire nervous system. Cell 2021, 184: 4329-4347.e23. PMID: 34237253, PMCID: PMC8710130, DOI: 10.1016/j.cell.2021.06.023.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCaenorhabditis elegansCaenorhabditis elegans ProteinsFluorescent DyesGene Expression Regulation, DevelopmentalGenes, ReporterLarvaNervous SystemNeuronsNeuropeptidesNucleotide MotifsRegulatory Sequences, Nucleic AcidRNA-SeqSignal TransductionTranscription FactorsTranscription, GeneticConceptsGene expressionSpecific gene familiesCis-regulatory elementsNeuron-specific gene expressionIndividual neuron classesSingle-cell resolutionGene expression profilesNeuron classesGene familyAdhesion proteinsNeuropeptide genesExpression profilesExpression dataEntire nervous systemCombinatorial expressionMolecular topographyNervous systemSynaptic specificityNeuropeptide receptorsExpressionPotential roleWiring diagramComputational approachGenesProtein
2024
Polarized localization of kinesin-1 and RIC-7 drives axonal mitochondria anterograde transport
Wu Y, Ding C, Sharif B, Weinreb A, Swaim G, Hao H, Yogev S, Watanabe S, Hammarlund M. Polarized localization of kinesin-1 and RIC-7 drives axonal mitochondria anterograde transport. Journal Of Cell Biology 2024, 223: e202305105. PMID: 38470363, PMCID: PMC10932739, DOI: 10.1083/jcb.202305105.Peer-Reviewed Original ResearchConceptsKinesin-1C. elegansN-terminal domainRetrograde trafficAnterograde trafficTransport mitochondriaMitochondria transportPolar localizationMiro-1CRISPR engineeringMitochondria localizationDisordered regionsMitochondriaTransport complexMitochondria distributionAxonal transportAnterograde transportAnterograde axonal transportMotor complexMiroAdaptorCRISPRGenes
2014
Axon Regeneration Genes Identified by RNAi Screening in C. elegans
Nix P, Hammarlund M, Hauth L, Lachnit M, Jorgensen EM, Bastiani M. Axon Regeneration Genes Identified by RNAi Screening in C. elegans. Journal Of Neuroscience 2014, 34: 629-645. PMID: 24403161, PMCID: PMC3870940, DOI: 10.1523/jneurosci.3859-13.2014.Peer-Reviewed Original ResearchConceptsRNAi-based screenCandidate gene screenAnalysis of mutantsGrowth-inhibiting functionComplex molecular eventsCell-intrinsic factorsCaenorhabditis elegansC. elegansAxon regenerationGene candidatesRNAi screeningMembrane dynamicsMAP kinaseΒ-spectrinRegeneration genesGene screenMolecular eventsGenesElegansRobust regenerationMature neuronsMutantsMammalian CNSAntagonistic activityPathway
2013
Neuron-Specific Feeding RNAi in C. elegans and Its Use in a Screen for Essential Genes Required for GABA Neuron Function
Firnhaber C, Hammarlund M. Neuron-Specific Feeding RNAi in C. elegans and Its Use in a Screen for Essential Genes Required for GABA Neuron Function. PLOS Genetics 2013, 9: e1003921. PMID: 24244189, PMCID: PMC3820814, DOI: 10.1371/journal.pgen.1003921.Peer-Reviewed Original ResearchConceptsCell-specific knockdownEssential genesFeeding RNAiC. elegansGenetic requirementsNeuronal functionForward genetic screenGABA neuron functionGene function resultsForward screenGenetic screenRNAi resultsRNAi strainsChromosome IRNAi clonesGlutamate-releasing neuronsGene actionGene knockdownMature organismRNAiGenesKnockdownNeuron functionElegansPleiotropy
2000
Mutations in β-Spectrin Disrupt Axon Outgrowth and Sarcomere Structure
Hammarlund M, Davis W, Jorgensen E. Mutations in β-Spectrin Disrupt Axon Outgrowth and Sarcomere Structure. Journal Of Cell Biology 2000, 149: 931-942. PMID: 10811832, PMCID: PMC2174563, DOI: 10.1083/jcb.149.4.931.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAxonsCaenorhabditis elegansCaenorhabditis elegans ProteinsCell MembraneCell PolarityDNA PrimersDNA, ComplementaryEpithelial CellsGenes, HelminthGenes, ReporterGreen Fluorescent ProteinsIntestinesIntracellular MembranesLuminescent ProteinsMolecular Sequence DataMutationSarcomeresSequence Homology, Amino AcidSpectrinSynaptic VesiclesConceptsCell polarityBeta spectrinMembrane skeletonCell membraneCaenorhabditis elegans homologueMost animal cellsSpecific membrane proteinsMembrane integrityAxon outgrowthNull mutantsMembrane proteinsAnimal cellsAbnormal axon outgrowthPlasma membraneSarcomere structureProteinDense bodiesMembraneOutgrowthMajor componentMyofilament latticeMutantsHomologuesGenesPolarity