Transcriptomics

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Circadian Clock-Controlled Translation of Specific mRNAs in Neurospora crassa Requires Rhythmic eIF2α Activity and P-body Sequestration [RNA-seq]


ABSTRACT: We report the genome-wide impact of rhythmic P-eIF2α levels in vivo by performing ribosome profiling and RNA-seq in Neurospora crassa samples grown over a circadian time course. We identified candidate genes which showed rhyhmic ribosome occupancy in WT cells but lost rhythms in mRNA levels and ribosome occupancy in the clock mutant Dfrq, eIF2α kinase knockout Dcpc-3, and constitutively active kinase mutant cpc-3c cells. Select mRNAs harbor a P-body localization motif identified by MEME and MEME Suite's GOMo function. P-body localization of the target mRNAs provides an attractive mechanism for explaining translational rhythms from otherwise arrhythmic mRNAs.

ORGANISM(S): Neurospora crassa

PROVIDER: GSE181564 | GEO | 2022/09/23

REPOSITORIES: GEO

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