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MUSCLE MEMBRANE PHOSPHOLIPID CLASS COMPOSITION IN WHITE-THROATED SPARROWS IN RELATION TO MIGRATION

机译:白喉稀疏中肌肉膜磷脂类组成与迁移的关系

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摘要

We document seasonal changes in the ratio of phosphatidylcholine (PC) to phosphatidylethanolamine (PE) in pectoralis muscles of captive and wild White-throated Sparrows (Zonotrichia albicollis). We manipulated day length in captive sparrows to induce 'winter' or 'migratory' condition. The PC/PE ratio in these sparrows was 1.87 ± 0.11 (mean ± SE), and did not vary significantly between treatments. However, the PC/PE ratio was higher in wild adult sparrows in winter (1.90 ± 0.19) than those caught in migration (1.20 ± 0.13 in spring; 1.37 ± 0.14 in fall). No effect of migratory state on PC/PE ratio was found among wild juveniles (1.32 ± 0.09 in fall, 1.18 ± 0.14 in winter). Seasonal changes to PC/PE ratios may be a result of migratory exercise, rather than migratory condition per se.
机译:我们记录了圈养和野生白喉麻雀(Zonotrichia albicollis)的胸大肌中磷脂酰胆碱(PC)与磷脂酰乙醇胺(PE)的比率的季节性变化。我们操纵圈养麻雀的日长以诱发“冬季”或“迁徙”状况。这些麻雀中的PC / PE比为1.87±0.11(均值±SE),两次治疗之间无显着差异。但是,冬季野生成年麻雀的PC / PE比(1.90±0.19)要比迁徙中的麻雀高(春季为1.20±0.13;秋天为1.37±0.14)。在野生少年中,未发现迁移状态对PC / PE比率的影响(秋季为1.32±0.09,冬季为1.18±0.14)。 PC / PE比值的季节性变化可能是迁移运动的结果,而不是迁移条件本身。

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  • 来源
    《The Wilson Bulletin》 |2011年第1期|p.116-120|共5页
  • 作者单位

    Department of Biology, University of Western Ontario,London, ON N6A 5B7, Canada;

    Department of Biology, University of Western Ontario,London, ON N6A 5B7, Canada;

    Department of Biology, University of Western Ontario,London, ON N6A 5B7, Canada;

    Department of Biology, University of Western Ontario,London, ON N6A 5B7, Canada;

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