Progressive colonization and restricted gene flow shape island-dependent population structure in Galápagos marine iguanas (Amblyrhynchus cristatus)
Steinfartz S, Glaberman S, Lanterbecq D, Russello M, Rosa S, Hanley T, Marquez C, Snell H, Snell H, Gentile G, Dell'Olmo G, Powell A, Caccone A. Progressive colonization and restricted gene flow shape island-dependent population structure in Galápagos marine iguanas (Amblyrhynchus cristatus). BMC Ecology And Evolution 2009, 9: 297. PMID: 20028547, PMCID: PMC2807874, DOI: 10.1186/1471-2148-9-297.Peer-Reviewed Original ResearchConceptsComplete mitochondrial control regionMarine iguanasGene flowPopulation structureMarine iguana populationsHistorical gene flowNuclear gene flowMicrosatellite genetic diversityStrong genetic differentiationMale-biased dispersalMitochondrial control regionRecent population expansionBayesian cluster analysisGalápagos marine iguanasHaplotype distribution patternsDistinct genetic clustersPast genetic studiesGenetic differentiationWestern islandsFST estimatesIguana populationsFounder eventsFST analysisDifferent inheritance patternsGenetic clustersMorphometrics Parallel Genetics in a Newly Discovered and Endangered Taxon of Galápagos Tortoise
Chiari Y, Hyseni C, Fritts T, Glaberman S, Marquez C, Gibbs J, Claude J, Caccone A. Morphometrics Parallel Genetics in a Newly Discovered and Endangered Taxon of Galápagos Tortoise. PLOS ONE 2009, 4: e6272. PMID: 19609441, PMCID: PMC2707613, DOI: 10.1371/journal.pone.0006272.Peer-Reviewed Original ResearchConceptsGalápagos tortoisesGenetic variationGenetic distinctionTortoise populationsNon-neutral lociStrong genetic differentiationComplex heritable traitsDiagnostic morphological charactersShell morphologyShell shape variationGenetic differentiationMitochondrial dataMonophyletic lineageMorphological charactersGiant tortoisesHeritable traitGenetic dataMost islandsSanta CruzMolecular studiesShell shapeTurtle shellTortoisesLineagesParallel Genetic