2022
Temporal Monitoring of the Floreana Island Galapagos Giant Tortoise Captive Breeding Program
Gray R, Fusco N, Miller J, Tapia W, Mariani C, Caccone A, Jensen E. Temporal Monitoring of the Floreana Island Galapagos Giant Tortoise Captive Breeding Program. Integrative And Comparative Biology 2022, 62: 1864-1871. PMID: 35906184, DOI: 10.1093/icb/icac129.Peer-Reviewed Original ResearchConceptsCaptive breeding programsBreeding programsEffective population sizeGalapagos giant tortoisesCaptive breedingGenetic diversityGenetic trackingReproductive outputSpecies restorationGiant tortoisesConservation managersBreeding outcomesMicrosatellite markersGenetic analysisMore foundersBreeding cyclePopulation sizeBreeding facilitiesTortoisesValue of hybridsParentageOffspringGenomeHybridsBreeding
2018
Genetic Pedigree Analysis of the Pilot Breeding Program for the Rediscovered Galapagos Giant Tortoise from Floreana Island
Miller J, Quinzin M, Scheibe E, Ciofi C, Villalva F, Tapia W, Caccone A. Genetic Pedigree Analysis of the Pilot Breeding Program for the Rediscovered Galapagos Giant Tortoise from Floreana Island. Journal Of Heredity 2018, 109: 620-630. PMID: 29490038, DOI: 10.1093/jhered/esy010.Peer-Reviewed Original ResearchConceptsReproductive skewGalapagos giant tortoisesBreeding programsFloreana IslandGiant tortoisesAssortative matingSelf-sustaining wild populationsGenetic pedigree analysisMajority of progenyCaptive breeding programsSmall breeding groupsOrigin of individualsPedigree analysisLarge breeding programsFounding individualsWild populationsAllelic diversityGenetic diversityExtinct tortoisesGenetic variationGenetic analysisC. nigerPopulation sizeRelated individualsBreeding groups
2017
Identification of Genetically Important Individuals of the Rediscovered Floreana Galápagos Giant Tortoise (Chelonoidis elephantopus) Provides Founders for Species Restoration Program
Miller J, Quinzin M, Poulakakis N, Gibbs J, Beheregaray L, Garrick R, Russello M, Ciofi C, Edwards D, Hunter E, Tapia W, Rueda D, Carrión J, Valdivieso A, Caccone A. Identification of Genetically Important Individuals of the Rediscovered Floreana Galápagos Giant Tortoise (Chelonoidis elephantopus) Provides Founders for Species Restoration Program. Scientific Reports 2017, 7: 11471. PMID: 28904401, PMCID: PMC5597637, DOI: 10.1038/s41598-017-11516-2.Peer-Reviewed Original ResearchConceptsGiant tortoisesGalápagos giant tortoisesHuman-driven environmental changesCaptive breeding programsCaptive breeding centerSpecies restoration programsHigh ancestryFloreana IslandSpecies todayIsland ecosystemsBreeding programsGalápagos IslandsGenetic analysisBreeding CenterEnvironmental changesRestoration programsTortoisesSpeciesEcosystemsDistinctive morphologyAncestryUnprecedented rateIslandsTranslocationUnique opportunity
2012
Genetic rediscovery of an ‘extinct’ Galápagos giant tortoise species
Garrick R, Benavides E, Russello M, Gibbs J, Poulakakis N, Dion K, Hyseni C, Kajdacsi B, Márquez, Bahan S, Ciofi C, Tapia W, Caccone A. Genetic rediscovery of an ‘extinct’ Galápagos giant tortoise species. Current Biology 2012, 22: r10-r11. PMID: 22240469, DOI: 10.1016/j.cub.2011.12.004.Peer-Reviewed Original ResearchConceptsFloreana IslandHybrid individualsGiant tortoise speciesUnique evolutionary lineagesGiant Galápagos tortoisesCaptive breeding programsEvolutionary lineagesGalápagos tortoisesHybrid offspringExtinct speciesGenetic footprintsTortoise speciesBreeding programsGalápagos IslandsGenetic signaturesExtant individualsIsabela IslandGenomeSpeciesMixed ancestryTortoisesAncestryIslandsLineagesLikely mechanism
2008
Historical DNA analysis reveals living descendants of an extinct species of Galápagos tortoise
Poulakakis N, Glaberman S, Russello M, Beheregaray LB, Ciofi C, Powell JR, Caccone A. Historical DNA analysis reveals living descendants of an extinct species of Galápagos tortoise. Proceedings Of The National Academy Of Sciences Of The United States Of America 2008, 105: 15464-15469. PMID: 18809928, PMCID: PMC2563078, DOI: 10.1073/pnas.0805340105.Peer-Reviewed Original ResearchConceptsMuseum specimensHistorical DNA analysisDiversification of organismsCaptive breeding programsIsland of FloreanaModern DNA techniquesMicrosatellite dataGalápagos tortoisesConservation biologyMitochondrial DNANatural selectionExtinct speciesExtinct taxaBreeding programsGiant tortoisesIntense harvestingGenetic analysisGenetic dataGalápagos ArchipelagoTortoise populationsDNA techniquesHuman exploitationNearby islandsEnough individualsSpecies
2004
Potential genetic consequences of a recent bottleneck in the Amur tiger of
Russello M, Gladyshev E, Miquelle D, Caccone A. Potential genetic consequences of a recent bottleneck in the Amur tiger of. Conservation Genetics 2004, 5: 707-713. DOI: 10.1007/s10592-004-1860-2.Peer-Reviewed Original ResearchWild populationsGenetic variationMitochondrial DNA control regionRemnant genetic diversityDNA control regionSingle widespread haplotypeMitochondrial DNA variationPotential genetic consequencesCaptive breeding programsAmur tigersRecent bottleneckPanthera tigris altaicaWidespread haplotypeGenetic consequencesDNA variationHaplotype diversityGenetic diversityControl regionScat samplesBreeding programsCaptive individualsSevere bottleneckPopulation sizeDemographic processesRussian Far EastGenetic analysis of a successful repatriation programme: giant Galpagos tortoises
Milinkovitch M, Monteyne D, Gibbs J, Fritts T, Tapia W, Snell H, Tiedemann R, Caccone A, Powell J. Genetic analysis of a successful repatriation programme: giant Galpagos tortoises. Proceedings Of The Royal Society B 2004, 271: 341-345. PMID: 15101691, PMCID: PMC1691607, DOI: 10.1098/rspb.2003.2607.Peer-Reviewed Original ResearchConceptsGenetic variationIsland of EspañolaGiant Galápagos tortoisesMicrosatellite DNA markersNatural populationsGalápagos tortoisesDNA markersNatural habitatsSitu reproductionBreeding programsGenetic analysisRepatriation programBreedersTortoisesOffspringFurther lossHabitatsTaxaPaternitySpeciesCaptivityReproductionPopulationIslandsVariation