文献类型： 外文期刊
作者： Zhang, Yueliang 1 ; Li, Yongjun 1 ; Barber, Annika F. 1 ; Noya, Sara B. 1 ; Williams, Julie A. 1 ; Li, Fu 1 ; Daniel, Scott G. 4 ; Bittinger, Kyle 4 ; Fang, Jichao 3 ; Sehgal, Amita 1 ;
作者机构： 1.Univ Penn, HHMI, Philadelphia, PA 19104 USA
2.Univ Penn, Chronobiol & Sleep Inst, Perelman Sch Med, Philadelphia, PA 19104 USA
3.Jiangsu Acad Agr Sci, Inst Plant Protect, Jiangsu Key Lab Food Qual & Safety, State Key Lab Cultivat Base, Nanjing 210014, Peoples R China
4.Childrens Hosp Philadelphia, Div Gastroenterol Hepatol & Nutr, Philadelphia, PA 19104 USA
关键词： circadian rhythms; gut microbiome; timed feeding; transcriptome; circadian phase shifts
期刊名称：PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA （ 影响因子：11.1； 五年影响因子：12.0 ）
ISSN： 0027-8424
年卷期： 2023 年 120 卷 5 期
页码：
收录情况： SCI
摘要： The gut microbiome is well known to impact host physiology and health. Given wide-spread control of physiology by circadian clocks, we asked how the microbiome interacts with circadian rhythms in the Drosophila gut. The microbiome did not cycle in flies fed ad libitum, and timed feeding (TF) drove limited cycling only in clockless per01 flies. However, TF and loss of the microbiome influenced the composition of the gut cycling transcriptome, independently and together. Moreover, both interventions increased the amplitude of rhythmic gene expression, with effects of TF at least partly due to changes in histone acetylation. Contrary to expectations, timed feeding rendered animals more sensitive to stress. Analysis of microbiome function in circadian physiology revealed that germ-free flies reset more rapidly with shifts in the light:dark cycle. We propose that the microbiome stabilizes cycling in the host gut to prevent rapid fluctuations with changing environmental conditions.
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