2020
Colonization history of Galapagos giant tortoises: Insights from mitogenomes support the progression rule
Poulakakis N, Miller J, Jensen E, Beheregaray L, Russello M, Glaberman S, Boore J, Caccone A. Colonization history of Galapagos giant tortoises: Insights from mitogenomes support the progression rule. Journal Of Zoological Systematics & Evolutionary Research 2020, 58: 1262-1275. DOI: 10.1111/jzs.12387.Peer-Reviewed Original ResearchGalapagos giant tortoisesGiant tortoisesPhylogeographic scenarioMitochondrial genomeProgression rulePhylogenetic relationshipsGalapagos IslandsExtinct speciesOlder islandsHuman-mediated dispersal eventsComplete mitochondrial genomeSouth American ancestorAncestral area reconstructionNon-native speciesMaximum likelihood analysisContribution of colonizationColonization historyDispersal eventsMultiple colonizationsAmerican ancestorsPhylogenetic treeAncestral formArea reconstructionSitu speciationBiogeographic approach
2011
Unravelling the peculiarities of island life: vicariance, dispersal and the diversification of the extinct and extant giant Galápagos tortoises
POULAKAKIS N, RUSSELLO M, GEIST D, CACCONE A. Unravelling the peculiarities of island life: vicariance, dispersal and the diversification of the extinct and extant giant Galápagos tortoises. Molecular Ecology 2011, 21: 160-173. PMID: 22098061, DOI: 10.1111/j.1365-294x.2011.05370.x.Peer-Reviewed Original ResearchConceptsGiant Galápagos tortoisesHuman-mediated dispersal eventsVicariant eventsGalápagos tortoisesMainland South AmericaHuman activitiesIndependent evolutionary unitsAvailable geological dataSimple linear trendRecent human activitiesIsland lifeEvolutionary unitsEndangered taxaColonization eventsExtant speciesDispersal eventsEvolutionary historyGeological dataMultiple colonizationsExtinct speciesOcean islandsDNA dataOlder islandsYounger islandsOceanic islands
2004
Giant tortoises are not so slow: Rapid diversification and biogeographic consensus in the Galápagos
Beheregaray L, Gibbs J, Havill N, Fritts T, Powell J, Caccone A. Giant tortoises are not so slow: Rapid diversification and biogeographic consensus in the Galápagos. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 6514-6519. PMID: 15084743, PMCID: PMC404076, DOI: 10.1073/pnas.0400393101.Peer-Reviewed Original ResearchConceptsGiant Galápagos tortoisesGalápagos tortoisesGreat natural laboratoryGenetic variationDivergent monophyletic cladesHistory of diversificationIsolated oceanic archipelagoPatterns of colonizationBiogeographic predictionsEvolutionary diversificationGene flowEndemic haplotypesExtant populationsLimited dispersalOceanic archipelagosBiogeographic patternsEvolutionary eventsBiological diversificationMonophyletic cladeMtDNA sequencesRapid diversificationGenetic interchangeRange expansionOlder islandsGiant tortoises