Comparative Skin Histology of Frogs Reveals High-elevation Adaptation of the Tibetan Nanorana parkeri

【Author】

Chunhua YANG;Tingting FU;Xinqiang LAN;Yun ZHANG;Lotanna Micah NNEJI;Robert W.MURPHY;Yanbo SUN;Jing CHE;State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences;Institute of Physical Science and Information Technology, Anhui University;Kunming College of Life Science, University of Chinese Academy of Sciences;Key Laboratory of Animal Models and Human Disease Mechanisms, The Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences;Centre for Biodiversity and Conservation Biology, Royal Ontario Museum;Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences;

【Institution】

State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences;Institute of Physical Science and Information Technology, Anhui University;Kunming College of Life Science, University of Chinese Academy of Sciences;Key Laboratory of Animal Models and Human Disease Mechanisms, The Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences;Centre for Biodiversity and Conservation Biology, Royal Ontario Museum;Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences;

【Abstract】

Adaptations to extreme environmental conditions are intriguing. Animal skin, which directly interacts with external environment, plays diverse and important roles in adaptive evolution. The thin and bare skin of amphibians is sensitive to external environmental conditions and, thus, it facilitates investigations into adaptations for living in extreme environments. Herein, we compare the structures of skin in four anuran species living at elevations ranging from 100 m to 4500 m to assess phenotypic innovations in the skin of Nanorana parkeri, which lives at extremely high elevations. Analyses reveal similar basic skin structures, but N. parkeri differs from the other species by having more epidermal capillaries and granular glands, which correlate highly with responses to hypoxia and/or ultraviolet(UV) radiation. Further intraspecific comparisons from frogs taken at ~4500 m and ~2900 m reveal that all of the changes are fixed. Changes occurring only in the higher elevation population, such as possessing more skin pigments, may represent local adaptations to coldness and/or UV radiation. These results provide a morphological basis for understanding further the molecular adaptations of these frogs.

【Keywords】

Nanorana parkeri;;skin structure;;phenotypic innovation;;high-elevation adaptation

References

To explore the background and basis of the node document

Springer Journals Database

Total: 16 articles

  • [1] LIANG Gang WANG Qiong Xia (College of Life Science, Shaanxi Normal University,Xi’an 710062, China), Histological Characteristics of the Skin and Cutaneous Glands in Paa quadranus, Chinese Journal of Zoology,
  • [2] CAO Yan1,2,XIE Feng1,JIANG Jian-ping1(1.Chengdu Institute of Biology,Chinese Academy of Sciences,Chengdu 610041,China;2.Graduate School of Chinese Academy of Sciences,Beijing 100049,China), Histological Observation of Skin in Four Species in the Genus Scutiger, Sichuan Journal of Zoology,
  • [3] Jia Lili,Tian Chuan,Li Shulan (College of Life Science and Technology,Harbin Normal University,Harbin 150025), Comparative Histologial Observation of Skin in Male and Female Frog (Rana dybouwskii) During Breeding Season, Chinese Agricultural Science Bulletin,
  • [4] MI Zhi-Ping;LIAO Wen-Bo;Key Laboratory of Southwest China Wildlife Resources Conservation, China West Normal University, Ministry of Education;, Comparison of Skin Histostructures in Three Species of Genus Rana, Chinese Journal of Zoology,

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