2024
Active tension and membrane friction mediate cortical flows and blebbing in a model actomyosin cortex
Sakamoto R, Murrell M. Active tension and membrane friction mediate cortical flows and blebbing in a model actomyosin cortex. Physical Review Research 2024, 6: 033024. DOI: 10.1103/physrevresearch.6.033024.Peer-Reviewed Original ResearchActomyosin cortexCell membraneActin cytoskeletonCortical flowMembrane blebbingCell divisionCell migrationCytoskeletonActomyosinBiological phenomenaMembrane bulgesBlebsCellsMembraneViscoelastic fluidMechanical responseElastic stressesStress yieldActinUbiquitous structuresApoptosisMechanical stressMembrane elasticityPhysical behavior
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
A molecular clock controls periodically driven cell migration in confined spaces
Lee SH, Hou JC, Hamidzadeh A, Yousafzai MS, Ajeti V, Chang H, Odde DJ, Murrell M, Levchenko A. A molecular clock controls periodically driven cell migration in confined spaces. Cell Systems 2022, 13: 514-529.e10. PMID: 35679858, DOI: 10.1016/j.cels.2022.05.005.Peer-Reviewed Original ResearchConceptsCell migrationSmall GTPase RhoAFaster cell migrationNegative feedback loopExchange factorMolecular clockGEF-H1RhoA guanineGTPase RhoAMicrotubule dynamicsMolecular mechanismsClock controlCell spreadExtracellular matrixIntracellular CaTissue reorganizationFeedback loopMigrationRhoAAbundanceGuanineBetter understanding
2014
How cells flow in the spreading of cellular aggregates
Beaune G, Stirbat T, Khalifat N, Cochet-Escartin O, Garcia S, Gurchenkov V, Murrell M, Dufour S, Cuvelier D, Brochard-Wyart F. How cells flow in the spreading of cellular aggregates. Proceedings Of The National Academy Of Sciences Of The United States Of America 2014, 111: 8055-8060. PMID: 24835175, PMCID: PMC4050549, DOI: 10.1073/pnas.1323788111.Peer-Reviewed Original Research