Fasting increases survival to cold in FOXO, DIF, autophagy mutants and in other genotypes of Drosophila melanogaster.
[No authors listed]
摘要
Fasting increases survival to a severe cold stress in young and middle-aged wild-type flies, this effect being lowered or absent at old age. As an attempt to determine the mechanisms of this effect, genes involved in metabolism (dFOXO), autophagy (Atg7), innate immunity (Dif (1) ), and resistance to cold (Frost) were studied. The 12 mutant, and control lines tested in this study displayed an increased survival to cold after fasting. This shows that fasting has a robust effect on survival to cold in many genotypes, but the mechanism of this effect remains unknown. This mechanism does not seem to be linked to metabolic pathways often considered to play a critical role in ageing and longevity determinations (insulin/insulin-like growth factor-1 pathway and autophagy).
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基因功能
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原始数据
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文献解读
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