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首页> 外文期刊>The Journal of Experimental Biology >Sex differences in the utilization of essential and non-essential amino acids in Lepidoptera
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Sex differences in the utilization of essential and non-essential amino acids in Lepidoptera

机译:Lepidoptera基本和非必需氨基酸利用的性差异

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摘要

The different reproductive strategies of males and females underlie differences in behavior that may also lead to differences in nutrient use between the two sexes. We studied sex differences in the utilization of two essential amino acids (EAAs) and one non-essential amino acid (NEAA) by the Carolina sphinx moth (Manduca sexta). On day one post-eclosion from the pupae, adult male moths oxidized greater amounts of larva-derived AAs than females, and more nectar-derived AAs after feeding. After 4 days of starvation, the opposite pattern was observed: adult females oxidized more larva- derived AAs than males. Adult males allocated comparatively small amounts of nectar-derived AAs to their first spermatophore, but this allocation increased substantially in the second and third spermatophores. Males allocated significantly more adult-derived AAs to their flight muscle than females. These outcomes indicate that adult male and female moths employ different strategies for allocation and oxidation of dietary AAs.
机译:男性和女性的不同生殖策略利于行为的差异,这也可能导致两种性别之间的营养利用差异的差异。我们研究了Carolina Sphinx飞蛾(ManducaSexta)使用两个必需氨基酸(EAAS)和一个非必需氨基酸(NEAA)的性差异。在一天的蛹后,成年雄性飞蛾比雌性氧化更多的幼虫衍生的AA,以及喂养后更多的花蜜衍生的AAs。在饥饿4天后,观察到相反的模式:成年女性比男性更氧化幼虫衍生的AAS。成年男性将少量的花蜜衍生的AA分配给第一个精子,但这种分配基本上在第二和第三精术中增加。男性将在其飞行肌肉中分配了更大的成年人,而不是女性。这些结果表明,成年男性和女性飞蛾采用不同的膳食AA分配和氧化策略。

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