A new species of  Kurixalus  (Anura, Rhacophoridae) from Guizhou, China

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Abstract

We describe a new species of the genus Kurixalus, Kurixalus raoi sp. nov., from Guizhou Province, China, based on morphological and molecular evidence. Phylogenetically, the new species is sister to K. idiootocus, but is distinguishable from all known congeners by a combination of the following characters: small body size (snout-vent length 28.2‒32.2 mm in males; 38.6 mm in female); snout rounded, with no prominence on tip; single internal vocal sac; dorsal surface brown, rough, scattered with several small warts; chin clouded with blackish marking; pair of large symmetrical dark blotches on chest; vomerine teeth present; iris brown; tibiotarsal articulation reaching center of eye; nuptial pad slight; flank rough; mandibular symphysis weak; throat skin granular; and toes moderately webbed, formula I2‒2II1.5‒3III2‒3IV3‒2V. The genetic distances between the new species and K. idiootocus were 2.9% and 5.4% for 16S rRNA and COI, respectively.

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Most cited references 22

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MEGA7: Molecular Evolutionary Genetics Analysis Version 7.0 for Bigger Datasets.

Sudhir Kumar, Glen Stecher, Koichiro Tamura (2016)

We present the latest version of the Molecular Evolutionary Genetics Analysis (Mega) software, which contains many sophisticated methods and tools for phylogenomics and phylomedicine. In this major upgrade, Mega has been optimized for use on 64-bit computing systems for analyzing larger datasets. Researchers can now explore and analyze tens of thousands of sequences in Mega The new version also provides an advanced wizard for building timetrees and includes a new functionality to automatically predict gene duplication events in gene family trees. The 64-bit Mega is made available in two interfaces: graphical and command line. The graphical user interface (GUI) is a native Microsoft Windows application that can also be used on Mac OS X. The command line Mega is available as native applications for Windows, Linux, and Mac OS X. They are intended for use in high-throughput and scripted analysis. Both versions are available from www.megasoftware.net free of charge.

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Deciphering amphibian diversity through DNA barcoding: chances and challenges.

D R Vieites, Miguel Vences, Meike Thomas … (2005)

Amphibians globally are in decline, yet there is still a tremendous amount of unrecognized diversity, calling for an acceleration of taxonomic exploration. This process will be greatly facilitated by a DNA barcoding system; however, the mitochondrial population structure of many amphibian species presents numerous challenges to such a standardized, single locus, approach. Here we analyse intra- and interspecific patterns of mitochondrial variation in two distantly related groups of amphibians, mantellid frogs and salamanders, to determine the promise of DNA barcoding with cytochrome oxidase subunit I (cox1) sequences in this taxon. High intraspecific cox1 divergences of 7-14% were observed (18% in one case) within the whole set of amphibian sequences analysed. These high values are not caused by particularly high substitution rates of this gene but by generally deep mitochondrial divergences within and among amphibian species. Despite these high divergences, cox1 sequences were able to correctly identify species including disparate geographic variants. The main problems with cox1 barcoding of amphibians are (i) the high variability of priming sites that hinder the application of universal primers to all species and (ii) the observed distinct overlap of intraspecific and interspecific divergence values, which implies difficulties in the definition of threshold values to identify candidate species. Common discordances between geographical signatures of mitochondrial and nuclear markers in amphibians indicate that a single-locus approach can be problematic when high accuracy of DNA barcoding is required. We suggest that a number of mitochondrial and nuclear genes may be used as DNA barcoding markers to complement cox1.

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The Amphibian Fauna of Thailand

E H Taylor (1962)

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Author and article information

Contributors

Guo-Hua Yu

Li-Na Du

Journal

Journal ID (nlm-ta): Zool Res

Journal ID (iso-abbrev): Zool Res

Journal ID (publisher-id): ZR

Title: Zoological Research

Publisher: Science Press (16 Donghuangchenggen Beijie, Beijing 100717, China )

ISSN (Print): 2095-8137

Publication date (Print): 18 March 2021

Volume: 42

Issue: 2

Pages: 227-233

Affiliations

[1 ] Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, Guangxi 541004, China

[2 ] Guangxi Key Laboratory of Rare and Endangered Animal Ecology, College of Life Science, Guangxi Normal University, Guilin, Guangxi 541004, China

[3 ] Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan 650204, China

[4 ] Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China

[5 ] Kunming Institute of Survey and Design, State Forestry and Grassland Administration, Kunming,Yunnan 650216, China

Author notes

E-mail: yugh2018@ 123456126.com

dulina@ 123456mailbox.gxnu.edu.cn

#These authors contributed equally to this work

Article

Publisher ID: zr-42-2-227

DOI: 10.24272/j.issn.2095-8137.2020.311

PMC ID: 7995278

PubMed ID: 33554484

SO-VID: 6020d87d-e59f-4f13-9dac-8edd09d53251

License:

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

History

Date received : 22 October 2020

Date accepted : 6 January 2021

Funding

This work was supported by the National Natural Science Foundation of China (No. 32060114), Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education (ERESEP2020Z22), and Guangxi Key Laboratory of Rare and Endangered Animal Ecology, Guangxi Normal University (18-A-01-08 and 19-A-01-06)

A new species of Kurixalus (Anura, Rhacophoridae) from Guizhou, China

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Abstract

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China Tropical Medicine

Most cited references 22

MEGA7: Molecular Evolutionary Genetics Analysis Version 7.0 for Bigger Datasets.

Deciphering amphibian diversity through DNA barcoding: chances and challenges.

The Amphibian Fauna of Thailand

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