首页|Effects of Dietary Protein Variations at Different Life-stages on Vocal Dominance of the African Clawed Frogs

Effects of Dietary Protein Variations at Different Life-stages on Vocal Dominance of the African Clawed Frogs

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How nutritional conditions during early development affect an organism's phenotype at adulthood is still poorly understood despite a plethora of research on developmental plasticity. The "environmental matching"hypothesis predicts that individuals will have high fitness providing that their adult environment "matches" what they experienced during development. In contrast, the"silver spoon" hypothesis predicts that individuals who obtain better developmental resources will be generally superior. Here we tested these two hypotheses and examined the underlying hormonal mechanisms by manipulating the early dietary protein content of African clawed frogs (Xenopus laevis) for a year with a 2×2 factorial experimental design. We found that only a low-protein food during development enhanced the vocal competition ability of male X. laevis, and that vocal dominance was associated with higher cortisol levels but not related with testosterone content. These results were not congruent with the "environmental matching"hypothesis or with the "silver spoon" hypothesis, suggesting the behavioral plasticity during development is more complex than our expectation in amphibians.

aggressiondevelopmental effectsenvironmental-matchingsilver spoonsocial statusvocal competitionXenopus laevis

Yan CAO、Jiangyan SHEN、Xiaocui WANG、Song TAN、Ping LI、Jianghong RAN、Yezhong TANG、Jingfeng CHEN

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Thematic Area of Biodiversity and Ecosystem Services, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, Sichuan, China

Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610041, Sichuan, China

University of the Chinese Academy of Sciences, Beijing 100049, China

This work was financially supported by grants for the National Natural Science Foundation of ChinaSichuan Provincial Science and Technology DepartmentBiodiversity Survey and Assessment Project of the Min

31370431 to JFC2018JY0617 to JFC

2020

10.16373/j.cnki.ahr.200003

亚洲两栖爬行动物研究(英文版)
中国科学院成都生物研究所

亚洲两栖爬行动物研究(英文版)

CSCDSCI
影响因子：0.2
ISSN：2095-0357
年,卷(期)：2020.11(3)
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