2022
A new lineage of Galapagos giant tortoises identified from museum samples
Jensen E, Quinzin M, Miller J, Russello M, Garrick R, Edwards D, Glaberman S, Chiari Y, Poulakakis N, Tapia W, Gibbs J, Caccone A. A new lineage of Galapagos giant tortoises identified from museum samples. Heredity 2022, 128: 261-270. PMID: 35217806, PMCID: PMC8987048, DOI: 10.1038/s41437-022-00510-8.Peer-Reviewed Original ResearchConceptsGalapagos giant tortoisesMitochondrial control regionGiant tortoisesSingle nucleotide polymorphismsControl regionMuseum samplesGenome-wide single nucleotide polymorphismsDivergent mitochondrial lineagesSingle mitochondrial haplotypeContemporary populationsIconic radiationMitochondrial lineagesAdditional lineagesMitochondrial haplotypesNuclear markersSan CristóbalSecond lineageMicrosatellite lociNew lineagePinta IslandSame cladeEvolutionary processesLineagesGalapagos ArchipelagoEarly evolution
2013
The genetic legacy of Lonesome George survives: Giant tortoises with Pinta Island ancestry identified in Galápagos
Edwards D, Benavides E, Garrick R, Gibbs J, Russello M, Dion K, Hyseni C, Flanagan J, Tapia W, Caccone A. The genetic legacy of Lonesome George survives: Giant tortoises with Pinta Island ancestry identified in Galápagos. Biological Conservation 2013, 157: 225-228. DOI: 10.1016/j.biocon.2012.10.014.Peer-Reviewed Original ResearchLonesome GeorgeGiant tortoise speciesFirst-generation hybridsPurebred individualsAdditional hybridsPinta IslandGeneration hybridsGenetic legacyTortoise speciesGiant tortoisesSpecies recoveryGalápagos ArchipelagoRelative abundanceIsabela IslandTortoisesUnrelated individualsAdditional individualsAncestryHybridsIslands
1999
Origin and evolutionary relationships of giant Galápagos tortoises
Caccone A, Gibbs J, Ketmaier V, Suatoni E, Powell J. Origin and evolutionary relationships of giant Galápagos tortoises. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 13223-13228. PMID: 10557302, PMCID: PMC23929, DOI: 10.1073/pnas.96.23.13223.Peer-Reviewed Original ResearchGiant Galápagos tortoisesLonesome GeorgeGalápagos tortoisesDistinct genetic unitsMitochondrial DNA sequencesMainland South AmericaSouth AmericaEvolutionary relationshipsPhylogenetic reconstructionSeparate colonizationsSouthern subspeciesPinta IslandChaco tortoisesDNA sequencesGalápagos IslandsClosest livingG. chilensisGenetic unitsSubspeciesCharles DarwinTortoisesLarge islandsSan CristobalChilensisLast survivor