2018
Cortactin stabilization of actin requires actin-binding repeats and linker, is disrupted by specific substitutions, and is independent of nucleotide state
Scherer AN, Anand NS, Koleske AJ. Cortactin stabilization of actin requires actin-binding repeats and linker, is disrupted by specific substitutions, and is independent of nucleotide state. Journal Of Biological Chemistry 2018, 293: 13022-13032. PMID: 29929984, PMCID: PMC6109930, DOI: 10.1074/jbc.ra118.004068.Peer-Reviewed Original ResearchConceptsHematopoietic cell-specific Lyn substrate 1Nucleotide stateActin bindingActin filamentsTotal internal reflection fluorescence microscopyActin-binding proteins cortactinActin cosedimentation assaysActin-rich structuresHigh-affinity actin bindingADP-actin filamentsReflection fluorescence microscopyAdjacent linker regionActin filament bindingArp2/3 complexCortactin repeatsCellular functionsActin stabilityCosedimentation assaysActin stabilizationProtein cortactinLamellipodial protrusionGTPase regulatorFilament depolymerizationLinker regionActin depolymerization
2007
A Critical Role for Cortactin Phosphorylation by Abl-Family Kinases in PDGF-Induced Dorsal-Wave Formation
Boyle SN, Michaud GA, Schweitzer B, Predki PF, Koleske AJ. A Critical Role for Cortactin Phosphorylation by Abl-Family Kinases in PDGF-Induced Dorsal-Wave Formation. Current Biology 2007, 17: 445-451. PMID: 17306540, DOI: 10.1016/j.cub.2007.01.057.Peer-Reviewed Original ResearchConceptsAbl family kinasesCortactin phosphorylationActin regulatory protein cortactinTyrosine kinaseAbl family tyrosine kinasesSrc family kinasesNonreceptor tyrosine kinaseHuman protein microarrayCell morphogenesisActin reorganizationCytoskeletal rearrangementsProtein cortactinGrowth factor receptorLamellipodial protrusionCytoskeletal structuresCell motilityProper regulationPDGF treatmentTyrosine residuesCortactinKinaseNovel substrateDownstream actionsPhosphorylationProtein microarrays
2004
The Abl-related gene (Arg) requires its F-actin–microtubule cross-linking activity to regulate lamellipodial dynamics during fibroblast adhesion
Miller AL, Wang Y, Mooseker MS, Koleske AJ. The Abl-related gene (Arg) requires its F-actin–microtubule cross-linking activity to regulate lamellipodial dynamics during fibroblast adhesion. Journal Of Cell Biology 2004, 165: 407-420. PMID: 15138293, PMCID: PMC2172189, DOI: 10.1083/jcb.200308055.Peer-Reviewed Original ResearchConceptsLamellipodial dynamicsCross-linking activityF-actin-binding domainFluorescent protein fusionsMT-binding domainNonreceptor tyrosine kinaseFilamentous actin bundlesWild-type fibroblastsCell polarityProtein fusionsMembrane protrusionsCell peripheryLamellipodial protrusionCell protrusionsActin bundlesMolecular mechanismsTyrosine kinaseF-actinMicrotubulesArgFibroblast adhesionABLHigh affinityFibroblastsProtrusion