陕西省金线侧褶蛙新记录及其系统发育分析
束潇潇 , 唐施翼 , 陈宝玉 , 刘菲 , 朱代博 , 郭斌 , 王立志
生物资源 ›› 2025, Vol. 47 ›› Issue (04) : 354 -362.
陕西省金线侧褶蛙新记录及其系统发育分析
New record of Pelophylax plancyi in Shaanxi Province and its phylogenetic analyses
2023年7月及2024年6月—8月,在陕西省西安市长乐公园(36˚15'43″N, 108˚59'59″E,海拔431 m)、曲江池遗址公园(34˚11'59″N, 108˚59'6″E,海拔442 m)及沣渭生态景观区(34˚21'14″N, 108˚47'46″E,海拔383 m)采集到16号无尾两栖动物(11尾雄性和5尾雌性),共测量12项外形特征,并描述生境特征。经形态比较,鉴定为无尾目(Anura)蛙科(Ranidae)侧褶蛙属(Pelophylax)金线侧褶蛙(Pelophylax plancyi)。基于线粒体12S rRNA、16S rRNA和Cyt-b联合基因构建的贝叶斯树及最大似然系统发育树显示,所采集的侧褶蛙个体与金线侧褶蛙(上海)聚为单系,并具有很高的节点支持率(贝叶斯后验概率:1.0;最大似然自展支持率:100%);两者间遗传距离(0.4%)小于该标本与本属其他物种之间的距离,支持形态鉴定结果,属陕西省两栖动物新记录。该物种地理分布的西北向延伸对研究两栖动物扩散机制、气候变化响应,人类活动影响及区域生物多样性保护具有重要意义。
In July 2023 and June to August 2024, 16 amphibian specimens (11 males and 5 females) were collected from Changle Park (36˚15'43″N, 108˚59'59″E, altitude: 431 m), Qujiangchi Heritage Park (34˚11'59″N, 108˚59'6″E, altitude: 442 m), and Fengwei ecological landscape area (34˚21'14″N, 108˚47'46″E, altitude: 383 m) in Xi’an, Shaanxi. 12 morphological parameters of the collected specimens were measured, and their habitats were described. By morphological comparison, they were identified as Pelophylax plancyi from the genus Pelophylax in the family Ranidae of the order Anura. Bayesian and maximum likelihood phylogenetic trees based on mitochondrial 12S rRNA, 16S rRNA, and Cyt-b gene sequences showed that the specimens collected in Xi’an clustered well with P. plancyi in Shanghai, with high node support rate (Bayesian posterior probability: 1.0; maximum likelihood bootstrap support value: 100%). The genetic distance between the two (0.4%) was smaller than the genetic distances between the specimen and other species in the same genus, supporting the morphometric identification results, and making it a new record of amphibian in Shaanxi Province. The geographical distribution of this species extends north-westwards, which is important for the study of amphibian dispersal mechanisms, climate change response, impacts of human activities and regional biodiversity conservation.
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陕西基础科学研究院科研计划项目(22JHQ042)
陕西学前师范学院校科研基金(2023YBKJ36)
陕西学前师范学院2022年度引进人才(博士)科研启动项目(2022DS06)
陕西省教育厅青年创新团队科研计划项目(23JP030)
陕西基础科学研究院科研计划项目(23JHQ024)
陕西高校青年创新团队“秦岭药食同源生物资源保护与利用创新团队”
儿童特色食品研究与开发陕西省高校工程研究中心
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