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comparative multi-locus assessment of modern Asian newts(Cynops, Paramesotriton, and Pachytriton:Salamandridae) in southern China suggests a shared biogeographic history

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Zoological Research 2022年第5期43卷 706-718页

作者： Zhi-Yong Yuan Yun-Ke Wu Fang Yan Robert W.Murphy Theodore J.Papenfuss David B.Wake Ya-Ping Zhang Jing Che State Key Laboratory of Genetic Resources and Evolution&Yunnan Key Laboratory of Biodiversity and Ecological Security of Gaoligong Mountain Kunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China Key Laboratory of Freshwater Fish Reproduction and Development(Ministry of Education) School of Life SciencesSouthwest UniversityChongqing 400715China Department of Ecology and Evolutionary Biology Cornell UniversityIthaca 14850USA College of Life Science Yunnan UniversityKunmingYunnan 650091China Centre for Biodiversity and Conservation Biology Royal Ontario MuseumTorontoOntario M5S 2C6Canada Museum of Vertebrate Zoology University of CaliforniaBerkeleyCA 94720USA

Evolutionary biologists are always interested in deciphering the geographic context of diversification,therefore they introduced the concept of comparative phylogeography, which helps to identify common mechanisms that contribute to shared genetic structures among organisms from the same ***, we used multi-locus genetic data along with environmental data to investigate shared phylogeographic patterns among three Asianendemic newt genera, Cynops, Paramesotriton and Pachytriton, which occurred in montane/submontane streams or ponds in southern China. Our 222samples from 78 localities covered the entire range of the three genera and represented the largest dataset of this group to date. We reconstructed matrilineal genealogies from two protein-coding,mitochondrial genes, and gene network from two nuclear genes. We also estimated divergence times of major cladogenetic events and used occurrence data to evaluate niche difference and similarity between lineages. Our results revealed a common basal split in all three genera that corresponds to the separation of two geographic terrains of southern *** ancient divergence occurred during middle to late Miocene and likely correlate with paleoclimatic fluctuations caused by the uplift of the Qinghai-Xizang (Tibet) Plateau (QTP).Particularly,the strengthening and weakening of Asian summer monsoons during the Miocene may have profoundly impacted southern China and led to repeatedly vicariance in those ***,despite differences in realized niches between lineages,there is no evidence for divergence of fundamental *** of old newt matriline lineages in mountains of southern China suggests that the region acts as both museums and cradles of *** on those results,we advocate a multi-pronged protection strategy for newts in the three genera.

关键词： Amphibian comparative phylogeography Qinghai-Xizang(Tibet)Plateau East Asian monsoons Ecological niche modeling Species museums and cradles

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Slow and steady wins the race: contrasted phylogeographic signatures in two Alpine amphibians

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Integrative Zoology 2022年第1期17卷 181-190页

作者： Christophe DUFRESNES Nicolas RODRIGUES Romain SAVARY LASER College of Biology and EnvironmentNanjing Forestry UniversityNanjingChina Department of Ecology&Evolution University of LausanneLausanneSwitzerland Laboratory for Biological Geochemistry School of ArchitectureCivil and Environmental EngineeringEcole Polytechnique Fédérale de Lausanne(EPFL)LausanneSwitzerland

A deeper phylogeographic structure is expected for slow-dispersing habitat specialists compared to widespread adaptable species,especially in topographically complex *** tested this classic assumption by comparing the genomic(RAD-sequencing)phylogeographies of 2 amphibians inhabiting the Swiss Alps:the mobile,cosmopolitan common frog(Rana temporaria)against the stationary,mountain endemic Alpine salamander(Salamandra atra).Our results ran opposite of predictions:the frog displayed significantly higher genetic divergences and lower within-population variation compared to the *** implies a prominent role for their distinctive glacial histories in shaping intraspecific diversity and structure:diversification and recolonization from several circum-Alpine micro-refugia for the frog versus a single refugium for the salamander,potentially combined with better population connectivity and *** striking differences emphasize the great variability of phylogeographic responses to the Quaternary glaciations,hence the complexity to predict general patterns of genetic diversity at the regional scale,and the forces that underlie them.

关键词： Alps comparative phylogeography dispersal RAD-sequencing Rana temporaria Salamandra atra

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Small fishes crossed a large mountain range:Quaternary stream capture events and freshwater fishes on both sides of the Taebaek Mountains

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Integrative Zoology 2017年第4期12卷 292-302页

作者： Daemin KIM M.Vincent HIRT Yong-Jin WON Andrew M.SIMONS Division of EcoScience Ewha Womans UniversitySeoulKorea Department of Fisheries Wildlife and Conservation BiologySaint PaulMinnesotaUSA Bell Museum of Natural History University of Minnesota100 Ecology BuildingSaint PaulMinnesotaUSA

The Taebaek Mountains in Korea serve as the most apparent biogeographic barrier for Korean freshwater fishes,resulting in 2 distinct ichthyofaunal assemblages on the eastern(East/Japan Sea slope)and western(Yellow Sea and Korea Strait slopes)sides of the mountain *** nearly 100 species of native primary freshwater fishes in Korea,only 18 species occur naturally on both sides of the mountain ***,there are 5 rheophilic species(Phoxinus phoxinus,Coreoleuciscus splendidus,Ladislavia taczanowskii,Iksookimia koreensis and Koreocobitis rotundicaudata)found on both sides of the Taebaek Mountains that are geographically restricted to the Osip River(and several neighboring rivers,for *** and ***)on the eastern side of the mountain *** Osip River and its neighboring rivers also shared a rheophilic freshwater fish,Liobagrus mediadiposalis,with the Nakdong River on the western side of the mountain *** assessed historical biogeographic hypotheses on the presence of these rheophilic fishes,utilizing DNA sequence data from the mitochondrial cytochrome b *** of our divergence time estimation indicate that ichthyofaunal transfers into the Osip River(and several neighboring rivers in East Sea slope)have occurred from the Han(Yellow Sea slope)and Nakdong(Korea Strait slope)Rivers since the Late *** inferred divergence times for the ichthyofaunal transfer across the Taebaek Mountains were consistent with the timing of hypothesized multiple reactivations of the Osip River Fault(Late Pleistocene),suggesting that the Osip River Fault reactivations may have caused stream capture events,followed by ichthyofaunal transfer,not only between the Osip and Nakdong Rivers,but also between the Osip and Han Rivers.

关键词： biogeographic barrier comparative phylogeography divergence time Korean fishes Osipcheon fault

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