广西新记录种井冈两头蛇的鉴定及其系统发育关系分析

doi:10.16088/j.issn.1001-6600.2023081801

广西师范大学学报（自然科学版） ›› 2024, Vol. 42 ›› Issue (4): 186-194.doi: 10.16088/j.issn.1001-6600.2023081801

广西新记录种井冈两头蛇的鉴定及其系统发育关系分析

梁雅婷^1,2,3, 黄紫丹^1,2,3, 杨瑞刚⁴, 武正军^1,2,3, 陈泽柠^1,2,3*

1.珍稀濒危动植物生态与环境保护教育部重点实验室(广西师范大学),广西桂林 541006;
2.广西珍稀濒危动物生态重点实验室(广西师范大学),广西桂林 541006;
3.广西师范大学生命科学学院,广西桂林 541006;
4.广西壮族自治区环境保护科学研究院,广西南宁 530022

收稿日期:2023-08-18 修回日期:2023-10-13 出版日期:2024-07-25 发布日期:2024-09-05
通讯作者: 陈泽柠(1989—),男,广西北流人,广西师范大学讲师,博士。E-mail:chenzn@gxnu.edu.cn
基金资助:
广西科技计划项目(桂科AD21220058); 广西自然科学基金(2023GXNSFBA026309); 国家自然科学基金(32200379); 广西陆域生物多样性保护优先区域调查与评估(2022—2023); 广西大桂山鳄蜥国家自然保护区项目(20230324)

Identification of a New Record Species of Calamaria jinggangensis in Guangxi, China, with Phylogenetic Relationship Analysis of the Species

LIANG Yating^1,2,3, HUANG Zidan^1,2,3, YANG Ruigang⁴, WU Zhengjun^1,2,3, CHEN Zening^1,2,3*

1. Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin Guangxi 541006, China;
2. Guangxi Key Laboratory of Rare and Endangered Animal Ecology (Guangxi Normal University), Guilin Guangxi 541006, China;
3. College of Life Sciences, Guangxi Normal University, Guilin Guangxi 541006, China;
4. Scientific Research Academy of Guangxi Environmental Protection, Guangxi Nanning 530022, China

Received:2023-08-18 Revised:2023-10-13 Online:2024-07-25 Published:2024-09-05

摘要/Abstract

摘要： 井冈两头蛇Calamaria jinggangensis Cai,2023隶属游蛇科Colubridae,目前仅记录分布在江西井冈山。2021年9月至2022年6月,在广西桂林全州县才湾镇、龙胜县黄沙镇采集到2号疑似井冈两头蛇的样本(标本号GXNU20210909007和GXNU20220613012)。基于线粒体细胞色素b(cyt b)基因的系统发育分析表明,桂林采集的两头蛇样本与井冈两头蛇地模标本聚为一支,并且2号标本与井冈两头蛇的遗传距离为0.005~0.030,小于同属内其他物种之间的遗传距离(0.052~0.237)。经过形态学比较和系统发育分析,确认该2号标本为两头蛇属Calamaria的井冈两头蛇C. jinggangensis。此发现为该物种在广西的新记录,为井冈两头蛇的地理分布和系统发育提供更多的信息。

关键词: 井冈两头蛇, 遗传距离, 系统发育, 形态鉴定

Abstract: Calamaria jinggangensis Cai, 2023, which belonging to the family of Colubridae, was only known to be distributed in Jinggang Mountains, Jiangxi, China. On September 3, 2021 and June 2, 2022, two specimens (No. GXNU20210909007 and GXNU20220613012) presented similar morphological features with C. jinggangensis were collected from Guilin, Guangxi Zhuang Autonomous Region. Phylogenetic analysis based on the mitochondrial cytochrome b (cyt b) gene showed that specimens from Guilin clustered into a single unit with the type specimen of C. jinggangensis. Genetic distance between the collected samples and C. jinggangensis was 0.005-0.030, significantly smaller than the genetic distance between other species within the genus Calamaria 0.052-0.237. Through morphological comparison and phylogenetic analysis, it is confirmed that the two specimens are C. jinggangensis which belongs to the genus Calamaria. This discovery is the first record of this species in Guangxi, which could provide more information on the geographic distribution and phylogeny of Calamaria species.

Key words: Calamaria jinggangensis, genetic distance, phylogeny, morphological identification

中图分类号: Q959

梁雅婷, 黄紫丹, 杨瑞刚, 武正军, 陈泽柠. 广西新记录种井冈两头蛇的鉴定及其系统发育关系分析[J]. 广西师范大学学报（自然科学版）, 2024, 42(4): 186-194.

LIANG Yating, HUANG Zidan, YANG Ruigang, WU Zhengjun, CHEN Zening. Identification of a New Record Species of Calamaria jinggangensis in Guangxi, China, with Phylogenetic Relationship Analysis of the Species[J]. Journal of Guangxi Normal University(Natural Science Edition), 2024, 42(4): 186-194.

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广西新记录种井冈两头蛇的鉴定及其系统发育关系分析

Identification of a New Record Species of Calamaria jinggangensis in Guangxi, China, with Phylogenetic Relationship Analysis of the Species

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