RNAi Interrogation of Dietary Modulation of Development, Metabolism, Behavior, and Aging in C. elegans.
RNAi Interrogation of Dietary Modulation of Development, Metabolism, Behavior, and Aging in C. elegans.
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RNAi 探究秀丽隐杆线虫发育、代谢、行为和衰老的饮食调节。
DOI:
10.1016/j.celrep.2015.04.024
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发表时间:
2015-05-19
期刊:
影响因子:
8.8
通讯作者:
Xu XZ
中科院分区:
文献类型:
--
作者:
Xiao R;Chun L;Ronan EA;Friedman DI;Liu J;Xu XZ
Diet affects nearly every aspect of animal life, such as development, metabolism, behavior and aging, both directly by supplying nutrients and indirectly through gut microbiota. C. elegans feeds on bacteria, and like other animals, different bacterial diets induce distinct dietary responses in the worm. However, the lack of certain critical tools hampers the use of worms as a model for dietary signaling. Here, we genetically-engineered the bacterial strain OP50, the standard laboratory diet for C. elegans, making it compatible for dsRNA production and delivery. Using this RNAi-compatible OP50 strain and the other bacterial strain HT115, we feed worms different diets while delivering RNAi to interrogate the genetic basis underlying diet-dependent differential modulation of development, metabolism, behavior, and aging. We show by RNAi that neuroendocrine and mTOR pathways are involved in mediating differential dietary responses. This genetic tool greatly facilitates the use of C. elegans as a model for dietary signaling.
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Coolon JD;Jones KL;Todd TC;Carr BC;Herman MA
通讯作者:
Herman MA
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Eckmann, Christian R.
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64.8
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通讯作者:
Bargmann, Cornelia I.