生物学杂志

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热驯化对大绒鼠的体重和能量代谢的影响

  

  1. 云南省高校西南山地生态系统动植物生态适应进化及保护重点实验室 云南师范大学 生命科学学院, 昆明 650500
  • 出版日期:2017-08-18 发布日期:2017-08-18
  • 通讯作者: 朱万龙,副教授,研究方向为动物生理生态,E-mail: zwl_8307@163.com;朱万龙,高文荣并列第一作者
  • 基金资助:
    国家自然科学基金项目(No. 31560126;31260097);云南师范大学博士科研启动项目

Effect of warm acclimation on body mass and energy metabolism in Eothenomys miletus

  1. Key Laboratory of Ecological Adaptive Evolution and Conservation on Animals-Plants in Southwest  Mountain Ecosystem of Yunnan Province Higher Institutes College; School of Life Sciences,Yunnan Normal University, Kunming 650500, China
  • Online:2017-08-18 Published:2017-08-18

摘要: 为阐明高温胁迫对大绒鼠体重和能量代谢的影响,测定了高温条件下(30℃)大绒鼠的体重、体温、基础代谢率、非颤抖性产热、能量收支和肝脏产热活性。结果表明:热驯化可以使大绒鼠的体重和体温增加,能量摄入和产热能力降低,肝脏线粒体呼吸状态Ⅲ呼吸显著下降,而线粒体状态Ⅳ呼吸差异不显著。以上结果表明大绒鼠在高温条件下增加体重和体温,降低能量摄入和产热能力来适应高温胁迫。

关键词: 大绒鼠, 热驯化, 能量代谢

Abstract: In order to investigate the effect of warm acclimation on body mass and energy metabolism, parameters like body mass, body temperature, basal metabolic rate(BMR), non-shivering thermogenesis(NST), energy budgets and thermogenic activity of liver in E. miletus were measured. The results showed that warm acclimation increased body mass and body temperature, decreased energy intake and thermogenic activity, as well as decreased state Ⅲ of mitochondrial respiration of liver, but it did not affect state Ⅳ of mitochondrial respiration of liver. All of the results indicated that E. miletus under warm acclimation increased body mass and body temperature, reduced energy intake and heat production capacity as to adapt to high temperature stress.

Key words: E. miletus, warm acclimation, energy metabolism