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Seasonal Changes of Steroid Levels in Blood Plasma of Three Phodopus Species (Mammalia, Cricetinae)

机译:三种斜纹夜蛾血浆中类固醇水平的季节性变化

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摘要

Seasonal change of the base plasma level of testosterone and cortisol in males and progesterone, estradiol, and cortisol levels in females were analyzed in three Phodopus species: Ph. campbelli (Campbell's hamster), Ph. sungorus (Djungarian hamster), and Ph. roborovskii (Roborovskii dwarf hamster). Our results showed a significant difference in the seasonal plasma level of testosterone and cortisol in males and cortisol in females of all Phodopus species, though the rhythms of breeding activity were similar. The results are dis-cussed in the context of adaptive differences between hormonal patterns of more evolutionarily modern spe-cies (Campbell's hamster and Djungarian hamster) and the more evolutionarily old Roborovskii dwarf ham-ster, the phylogenic position of which is currently under discussion.
机译:分析了三种Phodopus物种中的雄性睾丸激素和皮质醇基础血浆水平以及雌性的孕酮,雌二醇和皮质醇水平的季节性变化:Ph。campbelli(Campbell's仓鼠),Ph。sungorus(Djungarian仓鼠)和roborovskii。 (Roborovskii矮仓鼠)。我们的研究结果表明,尽管繁殖活动的节律相似,但所有Phodopus物种的雄性睾丸激素和皮质醇的季节性血浆水平和雌性的皮质醇的季节性水平存在显着差异。在更进化的现代物种(坎贝尔的仓鼠和少女仓鼠)的荷尔蒙模式与进化更老的Roborovskii矮仓鼠之间的适应性差异的背景下讨论了结果,目前正在讨论其系统发育位置。

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  • 来源
    《Biology Bulletin》 |2010年第6期|p.659-664|共6页
  • 作者单位

    Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskii prvsp. 33, Moscow, 119071 Russia;

    Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskii prvsp. 33, Moscow, 119071 Russia;

    Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskii prvsp. 33, Moscow, 119071 Russia;

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