2010
Population Genetic Structure of Aldabra Giant Tortoises
Balmer O, Ciofi C, Galbraith D, Swingland I, Zug G, Caccone A. Population Genetic Structure of Aldabra Giant Tortoises. Journal Of Heredity 2010, 102: 29-37. PMID: 20805288, DOI: 10.1093/jhered/esq096.Peer-Reviewed Original ResearchConceptsGenetic structurePopulation structureGiant tortoisesMitochondrial DNA control region sequencesPopulation genetic structureSignificant population structureControl region sequencesAldabra giant tortoisePrevious ecological studiesAllopatric divergenceNuclear lociPopulation subdivisionHabitat variationMtDNA sequencesMicrosatellite lociPopulation geneticsUnsuitable habitatGenetic variabilityAllelic variationRegion sequencesEcological factorsTerrestrial ecosystemsPopulation dynamicsAldabra AtollGeographical barriers
2007
Lineage identification of Galápagos tortoises in captivity worldwide
Russello M, Hyseni C, Gibbs J, Cruz S, Marquez C, Tapia W, Velensky P, Powell J, Caccone A. Lineage identification of Galápagos tortoises in captivity worldwide. Animal Conservation 2007, 10: 304-311. DOI: 10.1111/j.1469-1795.2007.00113.x.Peer-Reviewed Original ResearchMitochondrial DNA control region sequencesGenetic dataPopulation allele frequency dataCaptive population managementControl region sequencesMicrosatellite genotype dataPopulation genetic dataConservation valueConservation strategiesLonesome GeorgeCaptive breedingExtant populationsAllele frequency dataMtDNA haplotypesRobust populationEvolutionary originGalápagos tortoisesHybrid originPopulation managementMuseum specimensMtDNA analysisGeochelone nigraRegion sequencesMolecular approachesNovel haplotypes
2006
Phylogeographic History and Gene Flow Among Giant Galápagos Tortoises on Southern Isabela Island
Ciofi C, Wilson GA, Beheregaray LB, Marquez C, Gibbs JP, Tapia W, Snell HL, Caccone A, Powell JR. Phylogeographic History and Gene Flow Among Giant Galápagos Tortoises on Southern Isabela Island. Genetics 2006, 172: 1727-1744. PMID: 16387883, PMCID: PMC1456292, DOI: 10.1534/genetics.105.047860.Peer-Reviewed Original ResearchConceptsDispersal eventsMitochondrial DNA control region sequencesGalápagos giant tortoisesLimited dispersal abilityRecent dispersal eventsControl region sequencesGiant Galápagos tortoisesMultilocus genotyping methodsLand bridge formationMovement of organismsEffects of vicarianceRapid population declineIslands of IsabelaLineage sortingClade analysisPhylogeographic historyGene flowDispersal abilityGenetic divergenceGalápagos tortoisesMicrosatellite lociPhylogeographic inferenceSouthern Isabela IslandTaxonomic distinctionGiant tortoises