2020
Crystal structure of a guanine nucleotide exchange factor encoded by the scrub typhus pathogen Orientia tsutsugamushi
Lim C, Berk JM, Blaise A, Bircher J, Koleske AJ, Hochstrasser M, Xiong Y. Crystal structure of a guanine nucleotide exchange factor encoded by the scrub typhus pathogen Orientia tsutsugamushi. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 30380-30390. PMID: 33184172, PMCID: PMC7720168, DOI: 10.1073/pnas.2018163117.Peer-Reviewed Original ResearchConceptsBacterial GEFStructure-guided mutational analysisExchange factor domainRho family GTPasesObvious sequence similarityRho GTPases Rac1Pathogen Orientia tsutsugamushiAlters cell morphologyInteraction screenConvergent evolutionGEF domainHost interactorsExchange factorNucleotide displacementGEF activityCellular processesSequence similarityCytoskeletal structuresGTPases Rac1Ectopic expressionMutational analysisGEFRac1Factor domainPathogenic bacterium
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
2006
Regulation of Cytoskeletal Dynamics and Cell Morphogenesis by Abl Family Kinases
Koleske A. Regulation of Cytoskeletal Dynamics and Cell Morphogenesis by Abl Family Kinases. Molecular Biology Intelligence Unit 2006, 48-67. DOI: 10.1007/978-0-387-68744-5_5.Peer-Reviewed Original ResearchCell morphogenesisProtrusive structuresActin rich protrusive structuresFormation of actinAbl family kinasesNonreceptor tyrosine kinaseExtended C-terminusMetazoan organismsArp2/3 complexCytoskeletal dynamicsProtein complexesRac GTPasesExhibit defectsFamily kinasesNeuronal morphogenesisAbl familyCytoskeletal rearrangementsCytoskeletal networkCytoskeletal structuresEssential regulatorMutant animalsC-terminusActin filamentsTyrosine kinaseF-actin
2004
How do Abl family kinases regulate cell shape and movement?
Hernández SE, Krishnaswami M, Miller AL, Koleske AJ. How do Abl family kinases regulate cell shape and movement? Trends In Cell Biology 2004, 14: 36-44. PMID: 14729179, DOI: 10.1016/j.tcb.2003.11.003.Peer-Reviewed Original ResearchConceptsAbl family kinasesFamily kinasesAdhesion receptorsC-terminal halfCytoskeletal regulatory proteinsNonreceptor tyrosine kinaseCell morphogenesisCytoskeletal dynamicsRecent biochemicalCytoskeletal rearrangementsCytoskeletal structuresCytoskeletal componentsRegulatory proteinsCell shapeGenetic analysisTyrosine kinaseKinaseCell surfaceARG proteinRelay signalsProteinLeukemia cellsDrosophilaCrystallographic analysisMorphogenesis
2001
The Abl-related gene (Arg) nonreceptor tyrosine kinase uses two F-actin-binding domains to bundle F-actin
Wang Y, Miller A, Mooseker M, Koleske A. The Abl-related gene (Arg) nonreceptor tyrosine kinase uses two F-actin-binding domains to bundle F-actin. Proceedings Of The National Academy Of Sciences Of The United States Of America 2001, 98: 14865-14870. PMID: 11752434, PMCID: PMC64950, DOI: 10.1073/pnas.251249298.Peer-Reviewed Original ResearchConceptsF-actin-binding domainActin-rich structuresAbl family kinasesNonreceptor tyrosine kinaseF-actinActin cytoskeletonFamily kinasesFluorescent protein fusion proteinTyrosine kinaseActin-bundling activityProtein fusion proteinActin cytoskeletal structuresCellular morphogenesisSwiss 3T3 fibroblastsBundling activityDeletion mutantsCytoskeletal structuresC-terminusFusion proteinFunctional interactionKinaseActin moleculesCytoskeletonPositive cooperativityArg