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 hybridsParentageOffspringGenomeHybridsBreedingThe Galapagos giant tortoise Chelonoidis phantasticus is not extinct
Jensen E, Gaughran S, Fusco N, Poulakakis N, Tapia W, Sevilla C, Málaga J, Mariani C, Gibbs J, Caccone A. The Galapagos giant tortoise Chelonoidis phantasticus is not extinct. Communications Biology 2022, 5: 546. PMID: 35681083, PMCID: PMC9184544, DOI: 10.1038/s42003-022-03483-w.Peer-Reviewed Original ResearchConceptsGalapagos giant tortoisesGiant tortoisesMitochondrial DNA phylogenyDNA phylogenyMonophyletic groupCarapace morphologyPhylogeny GroupSame lineagePopulation sizeSpeciesTortoisesLineagesFemale tortoisesSingle specimenSingle individualPhylogenyCladeGenomeExtinctSaddlebackContinued existenceIslandsDiscovery
2019
Significant Genetic Impacts Accompany an Urban Rat Control Campaign in Salvador, Brazil
Richardson J, Silveira G, Medrano I, Arietta A, Mariani C, Pertile A, Pereira T, Childs J, Ko A, Costa F, Caccone A. Significant Genetic Impacts Accompany an Urban Rat Control Campaign in Salvador, Brazil. Frontiers In Ecology And Evolution 2019, 7: 115. DOI: 10.3389/fevo.2019.00115.Peer-Reviewed Original Research
2018
Population genomics through time provides insights into the consequences of decline and rapid demographic recovery through head‐starting in a Galapagos giant tortoise
Jensen E, Edwards D, Garrick R, Miller J, Gibbs J, Cayot L, Tapia W, Caccone A, Russello M. Population genomics through time provides insights into the consequences of decline and rapid demographic recovery through head‐starting in a Galapagos giant tortoise. Evolutionary Applications 2018, 11: 1811-1821. PMID: 30459831, PMCID: PMC6231475, DOI: 10.1111/eva.12682.Peer-Reviewed Original ResearchGiant tortoisesBottleneck eventsGenetic diversityGenetic variationPopulation declineTortoise populationsPopulation sizeCurrent genetic diversityEffective population sizePopulation genetics theoryWide single nucleotide polymorphism dataCaptive breeding programsRapid demographic recoveryRecent population declineSingle nucleotide polymorphism dataGalapagos giant tortoisesNucleotide polymorphism dataRapid population declineLarge population sizesPopulation genomicsSpecies restorationLong-term persistencePopulation structureGenetic patternsGenetic theoryGenetic 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
2015
Naturally rare versus newly rare: demographic inferences on two timescales inform conservation of Galápagos giant tortoises
Garrick R, Kajdacsi B, Russello M, Benavides E, Hyseni C, Gibbs J, Tapia W, Caccone A. Naturally rare versus newly rare: demographic inferences on two timescales inform conservation of Galápagos giant tortoises. Ecology And Evolution 2015, 5: 676-694. PMID: 25691990, PMCID: PMC4328771, DOI: 10.1002/ece3.1388.Peer-Reviewed Original ResearchGalápagos giant tortoisesDeep timescalesDemographic historyGiant tortoisesLocal effective population sizeLong-term population historyPopulation sizeMitochondrial control regionEffective population sizeAnalysis of genotypicLevel of variationShallow timescalesNuclear intronsRecent bottleneckGenetic bottleneckCensus sizeNeutral markersPhylogenetic informationIsland ageMicrosatellite lociDemographic inferenceGenetic estimatesControl regionPopulation historyConservation perspective
2012
Recovery of a nearly extinct Galápagos tortoise despite minimal genetic variation
Milinkovitch MC, Kanitz R, Tiedemann R, Tapia W, Llerena F, Caccone A, Gibbs JP, Powell JR. Recovery of a nearly extinct Galápagos tortoise despite minimal genetic variation. Evolutionary Applications 2012, 6: 377-383. PMID: 23467700, PMCID: PMC3586625, DOI: 10.1111/eva.12014.Peer-Reviewed Original ResearchEspañola IslandGenetic variationEffective population sizeUnequal reproductive successMinimal genetic variationMolecular genetic analysisGalápagos tortoisesReproductive successCaptive populationsNonrandom matingBreeding regimesParental populationsGenetic analysisMorphological dataPopulation sizeTortoise sizeSpeciesCaptivityNumber of animalsTortoisesIslandsInbreedingGalápagosMatingRepatriation efforts
2011
Polyandry Is a Common Event in Wild Populations of the Tsetse Fly Glossina fuscipes fuscipes and May Impact Population Reduction Measures
Bonomi A, Bassetti F, Gabrieli P, Beadell J, Falchetto M, Scolari F, Gomulski LM, Regazzini E, Ouma JO, Caccone A, Okedi LM, Attardo GM, Guglielmino CR, Aksoy S, Malacrida AR. Polyandry Is a Common Event in Wild Populations of the Tsetse Fly Glossina fuscipes fuscipes and May Impact Population Reduction Measures. PLOS Neglected Tropical Diseases 2011, 5: e1190. PMID: 21666797, PMCID: PMC3110164, DOI: 10.1371/journal.pntd.0001190.Peer-Reviewed Original ResearchConceptsEffective population sizePopulation sizeInformative microsatellite lociNumber of matingsTsetse Fly GlossinaFemale rematingWild populationsReproductive biologyMicrosatellite lociFemale matesSterile malesDifferent matesFemale spermathecaeRematingReproductive potentialPolyandryDirect countsPopulation age structureFuscipesLake VictoriaSpermathecaeWildMatesDry seasonSpecies
2009
In situ population structure and ex situ representation of the endangered Amur tiger
HENRY P, MIQUELLE D, SUGIMOTO T, McCULLOUGH D, CACCONE A, RUSSELLO M. In situ population structure and ex situ representation of the endangered Amur tiger. Molecular Ecology 2009, 18: 3173-3184. PMID: 19555412, DOI: 10.1111/j.1365-294x.2009.04266.x.Peer-Reviewed Original ResearchConceptsGenetic variationPopulation genetic variationRecent population bottleneckPopulation genetic structurePotential gene flowEffective population sizeAmur tigersPostglacial colonizationWild tiger populationsGene flowGenetic structurePopulation bottlenecksNative rangeWild populationsDemographic historyGenetic diversityCaptive populationsPopulation structureDemographic contractionGene variantsHistorical contractionGenetic signaturesEcological connectivityPopulation sizeTiger populations
2007
Genetic Impact of a Severe El Niño Event on Galápagos Marine Iguanas (Amblyrhynchus cristatus)
Steinfartz S, Glaberman S, Lanterbecq D, Marquez C, Rassmann K, Caccone A. Genetic Impact of a Severe El Niño Event on Galápagos Marine Iguanas (Amblyrhynchus cristatus). PLOS ONE 2007, 2: e1285. PMID: 18074011, PMCID: PMC2110882, DOI: 10.1371/journal.pone.0001285.Peer-Reviewed Original ResearchConceptsMarine iguana populationsIguana populationsGenetic diversityGenetic impactNeutral genetic diversityMitochondrial DNA diversityEffective population sizeMitochondrial DNA variationGalápagos marine iguanasMicrosatellite allele frequenciesRange of organismsDynamics of ecosystemsMajority of islandsPotential biological consequencesDNA diversityGenetic bottleneckMicrosatellite dataDNA variationMarine iguanasMtDNA variationGenetic compositionSevere El Niño eventBiological consequencesPopulation sizeClimatic disturbancesGiant Galápagos tortoises; molecular genetic analyses identify a trans-island hybrid in a repatriation program of an endangered taxon
Milinkovitch MC, Monteyne D, Russello M, Gibbs JP, Snell HL, Tapia W, Marquez C, Caccone A, Powell JR. Giant Galápagos tortoises; molecular genetic analyses identify a trans-island hybrid in a repatriation program of an endangered taxon. BMC Ecology And Evolution 2007, 7: 2. PMID: 17302982, PMCID: PMC1820773, DOI: 10.1186/1472-6785-7-2.Peer-Reviewed Original ResearchConceptsMolecular genetic analysisGenetic analysisIsland of EspañolaEffective population sizeGalápagos tortoisesGenetic integrityConservation significanceReproductive successHuman transportMicrosatellite allelesPopulation sizeTaxaSex ratioRepatriation programMajor islandsTortoisesFemale tortoisesSingle contaminationBreedersFurther contaminationIslandsHybridsPinzónContaminationLinage
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 EastExtreme difference in rate of mitochondrial and nuclear DNA evolution in a large ectotherm, Galápagos tortoises
Caccone A, Gentile G, Burns CE, Sezzi E, Bergman W, Ruelle M, Saltonstall K, Powell JR. Extreme difference in rate of mitochondrial and nuclear DNA evolution in a large ectotherm, Galápagos tortoises. Molecular Phylogenetics And Evolution 2004, 31: 794-798. PMID: 15062813, DOI: 10.1016/j.ympev.2004.02.004.Peer-Reviewed Original ResearchConceptsGalápagos tortoisesUnusual reproductive biologyKb of mtDNANuclear DNA evolutionEffective population sizeGiant Galápagos tortoisesRate of evolutionMtDNA divergenceMtDNA evolutionBiogeographic historyDNA evolutionMolecular evolutionNeutral theoryReproductive biologyLarge ectothermsNuclear DNAEctothermic animalsPopulation sizeSilent substitutionsNucDNAMtDNAKbTortoisesDivergenceExtreme differences
1981
Genetic variability and divergence between populations and species of Nesticus cave spiders
Cesaroni D, Allegrucci G, Caccone A, Cobolli Sbordoni M, De Matthaeis E, Di Rao M, Sbordoni V. Genetic variability and divergence between populations and species of Nesticus cave spiders. Genetica 1981, 56: 81-92. DOI: 10.1007/bf00055410.Peer-Reviewed Original ResearchGene flowGenetic variabilityMajor cladogenetic eventsReduced gene flowIsolation of populationsLow polymorphism levelsGene frequency dataSmall population sizeGenetic differentiationCladogenetic eventsGenetic divergenceEnzyme lociCave spidersGenetic distanceDegree of specializationPolymorphism levelSingle cavePopulation sizeCentral AppenninesDistribution areaGeographical distanceMiddle–late PlioceneSpeciesEremitaDivergence