2024
Mechanical power is maximized during contractile ring-like formation in a biomimetic dividing cell model
Sakamoto R, Murrell M. Mechanical power is maximized during contractile ring-like formation in a biomimetic dividing cell model. Nature Communications 2024, 15: 9731. PMID: 39523366, PMCID: PMC11551154, DOI: 10.1038/s41467-024-53228-y.Peer-Reviewed Original ResearchConceptsMyosin-induced stressContractile ring assemblyCell division mechanismActin filamentsActin cortexCleavage furrowDivision planeActomyosin flowsGiant unilamellar vesiclesRing assemblyCell divisionMyosin activityContractile ring-like structureShape changesRing-like structureDivision mechanismEnergetic costSymmetric divisionActinRing-like formationCell modelUnilamellar vesiclesIn vitro modelFurrowCellsComposite branched and linear F-actin maximize myosin-induced membrane shape changes in a biomimetic cell model
Sakamoto R, Murrell M. Composite branched and linear F-actin maximize myosin-induced membrane shape changes in a biomimetic cell model. Communications Biology 2024, 7: 840. PMID: 38987288, PMCID: PMC11236970, DOI: 10.1038/s42003-024-06528-4.Peer-Reviewed Original ResearchConceptsF-actin networkF-actinF-actin architectureMembrane shape changesCell shape changesActivity of myosinInduce membrane deformationActomyosin contractilityShape changesActin cortexActomyosin cortexGiant unilamellar vesiclesActinMembrane deformationUnilamellar vesiclesCell modelNo-slip boundariesForce generationActomyosinMyosinVesiclesForce transmission
2023
Membrane tension induces F-actin reorganization and flow in a biomimetic model cortex
Sakamoto R, Banerjee D, Yadav V, Chen S, Gardel M, Sykes C, Banerjee S, Murrell M. Membrane tension induces F-actin reorganization and flow in a biomimetic model cortex. Communications Biology 2023, 6: 325. PMID: 36973388, PMCID: PMC10043271, DOI: 10.1038/s42003-023-04684-7.Peer-Reviewed Original ResearchConceptsF-actin reorganizationMechanical stressCell cortexBiochemical regulationCell shapeActomyosin cortexPhysical behaviorCell polarizationMembrane tensionCell migrationEssential physical behaviorPore openingSpatial assemblyDrive changesMembraneRelative rolesStressActinRegulationDiverse behaviorsRoleAssembly
2022
F-actin architecture determines constraints on myosin thick filament motion
Muresan C, Sun Z, Yadav V, Tabatabai A, Lanier L, Kim J, Kim T, Murrell M. F-actin architecture determines constraints on myosin thick filament motion. Nature Communications 2022, 13: 7008. PMID: 36385016, PMCID: PMC9669029, DOI: 10.1038/s41467-022-34715-6.Peer-Reviewed Original Research
2014
Actomyosin sliding is attenuated in contractile biomimetic cortices
Murrell M, Gardel M. Actomyosin sliding is attenuated in contractile biomimetic cortices. Molecular Biology Of The Cell 2014, 25: 1845-1853. PMID: 24760970, PMCID: PMC4055264, DOI: 10.1091/mbc.e13-08-0450.Peer-Reviewed Original ResearchChapter Fifteen Reconstitution of Contractile Actomyosin Arrays
Murrell M, Thoresen T, Gardel M. Chapter Fifteen Reconstitution of Contractile Actomyosin Arrays. Methods In Enzymology 2014, 540: 265-282. PMID: 24630112, PMCID: PMC4459579, DOI: 10.1016/b978-0-12-397924-7.00015-7.Peer-Reviewed Original Research
2012
F-actin buckling coordinates contractility and severing in a biomimetic actomyosin cortex
Murrell M, Gardel M. F-actin buckling coordinates contractility and severing in a biomimetic actomyosin cortex. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 20820-20825. PMID: 23213249, PMCID: PMC3529094, DOI: 10.1073/pnas.1214753109.Peer-Reviewed Original Research