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CATP is a critical component of the Neurospora circadian clock by regulating the nucleosome occupancy rhythm at the frequency locus.


ABSTRACT: Rhythmic frq transcription is essential for the function of the Neurospora circadian clock. Here we show that there is a circadian histone occupancy rhythm at the frq promoter that is regulated by FREQUENCY (FRQ). Using a combination of forward genetics and genome sequencing, we identify Clock ATPase (CATP) as an essential clock component. Our results demonstrate that CATP associates with the frq locus and other WCC target genes and promotes histone removal at these loci to allow circadian gene transcription. These results indicate that the rhythmic control of histone occupancy at clock genes is critical for circadian clock function.

SUBMITTER: Cha J 

PROVIDER: S-EPMC3807232 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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CATP is a critical component of the Neurospora circadian clock by regulating the nucleosome occupancy rhythm at the frequency locus.

Cha Joonseok J   Zhou Mian M   Liu Yi Y  

EMBO reports 20130820 10


Rhythmic frq transcription is essential for the function of the Neurospora circadian clock. Here we show that there is a circadian histone occupancy rhythm at the frq promoter that is regulated by FREQUENCY (FRQ). Using a combination of forward genetics and genome sequencing, we identify Clock ATPase (CATP) as an essential clock component. Our results demonstrate that CATP associates with the frq locus and other WCC target genes and promotes histone removal at these loci to allow circadian gene  ...[more]

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