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A reassessment of the diversity of green toads(Bufotes)in the circum-Aegean region

Integrative Zoology 2021年第3期16卷 420-428页

作者： Christophe DUFRESNES Nikolas MPROBONAS ilias strachinis LASER College of Biology and the EnvironmentNanjing Forestry UniversityNanjingPeople’s Republic of China Filoti NaxosGreece Department of Genetics Development and Molecular BiologySchool of BiologyFaculty of Natural SciencesAristotle University of ThessalonikiThessalonikiGreece

The dynamic biogeography of glacial refugia may cause complex patterns of genetic admixture between parapatric taxa,which in turn can mislead their systematics,diversity,and *** investigated this issue for green toads(Bufotes)inhabiting the circum-Aegean region,a biodiversity hotspot of the Eastern Mediterranean.A previous phylogeographic study based on mitochondrial and microsatellite loci identified the hybrid zone between the European(viridis)and Anatolian(sitibundus)lineages of *** all over the Balkan Peninsula,but subsequent range-wide genomic analyses(>1000 SNPs)located this transition in Turkey,a thousand kilometers *** order to clarify the diversity and taxonomy of the circum-Aegean populations,we reconciled these conflicting findings by integrating previous data with pure sitibundus *** results confirmed that the viridis/sitibundus hybrid zone extends in Western Anatolia,but that southeastern European populations feature cytonuclear discordances and a high and structured microsatellite *** remarkable situation may stem from a massive geographic displacement of the hybrid zone during the last glacial fluctuations,an underappreciated yet seemingly common feature among the herpetofauna of the *** study thus contributes to the rising view that mitochondrial DNA can be a poor predictor of current phylogeographic structure,hence the need for genomic data,especially for narrowly distributed ***,the analyses unambiguously support the distinction of a micro-endemic clade of green toads unique to some Cyclades islands,for which we provide a formal taxonomic description.

关键词： Cyclades hybrid zone Naxos phylogeography speciation

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