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首頁> 美國衛(wèi)生研究院文獻(xiàn)>Annals of the Entomological Society of America >Evaluating Effects of a Critical Micronutrient (24-Methylenecholesterol) on Honey Bee Physiology
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Evaluating Effects of a Critical Micronutrient (24-Methylenecholesterol) on Honey Bee Physiology

機(jī)譯：關(guān)鍵微量營養(yǎng)素（24-亞甲基膽固醇）對(duì)蜜蜂生理的影響評(píng)估

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Although poor nutrition is cited as one of the crucial factors in global pollinator decline, the requirements and role of several important nutrients (especially micronutrients) in honey bees are not well understood. Micronutrients, viz. phytosterols, play a physiologically vital role in insects as precursors of important molting hormones and building blocks of cellular membranes. There is a gap in comprehensive understanding of the impacts of dietary sterols on honey bee physiology. In the present study, we investigated the role of 24-methylenecholesterol—a key phytosterol—in honey bee nutritional physiology. Artificial diets with varying concentrations of 24-methylenecholesterol (0%, 0.1%. 0.25%, 0.5%, 0.75%, and 1% dry diet weight) were formulated and fed to honey bees in a laboratory cage experiment. Survival, diet consumption, head protein content, and abdominal lipid contents were significantly higher in dietary sterol-supplemented bees. Our findings provide additional insights regarding the role of this important sterol in honey bee nutritional physiology. The insights gleaned from this study could also advance the understanding of sterol metabolism and regulation in other bee species that are dependent on pollen for sterols, and assist in formulation of a more complete artificial diet for honey bees ( Linnaeus, 1758) (Hymenoptera: Apidae).
機(jī)譯：盡管營養(yǎng)不良被認(rèn)為是造成全球授粉媒介數(shù)量下降的關(guān)鍵因素之一，但人們對(duì)蜜蜂中幾種重要營養(yǎng)素（尤其是微量營養(yǎng)素）的需求和作用卻知之甚少。微量營養(yǎng)素，即。植物甾醇在昆蟲中起著至關(guān)重要的生理作用，它們是重要的蛻皮激素和細(xì)胞膜結(jié)構(gòu)單元的前體。在對(duì)飲食固醇對(duì)蜜蜂生理學(xué)影響的全面理解上存在差距。在本研究中，我們研究了24-亞甲基膽固醇（一種關(guān)鍵的植物固醇）在蜜蜂營養(yǎng)生理中的作用。配制了具有不同濃度的24-亞甲基膽固醇（0％，0.1％，0.25％，0.5％，0.75％和1％干飼料重量）的人工飼料，并在實(shí)驗(yàn)室籠實(shí)驗(yàn)中喂給蜜蜂。補(bǔ)充固醇的蜜蜂的存活率，飲食消耗，頭部蛋白質(zhì)含量和腹部脂質(zhì)含量顯著更高。我們的發(fā)現(xiàn)提供了關(guān)于這種重要固醇在蜜蜂營養(yǎng)生理中的作用的其他見解。從這項(xiàng)研究中獲得的見解還可以增進(jìn)對(duì)依賴于花粉的固醇的其他蜜蜂物種中固醇代謝和調(diào)節(jié)的了解，并有助于制定更完整的蜜蜂人工飲食（Linnaeus，1758年）（膜翅目：Ap科） ）。

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