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. 1991 Jan;11(1):558–563. doi: 10.1128/mcb.11.1.558

Neurospora crassa clock-controlled genes are regulated at the level of transcription.

J J Loros 1, J C Dunlap 1
PMCID: PMC359668  PMID: 1824715

Abstract

Although an extensive number of biological processes are under the daily control of the circadian biological clock, little is known about how the clock maintains its regulatory networks within a cell. An important aspect of this temporal control is the daily control of gene expression. Previously we identified two morning-specific genes that are regulated by the clock through daily control of gene expression (J. Loros, S. Denome, and J.C. Dunlap, Science 243:385-388, 1989). We have now introduced a method for transcriptional analysis in Neurospora crassa and used this nuclear run-on procedure to show that regulation of mRNA abundance for these two morning-specific genes occurs at the level of transcription. This transcriptional regulation by the circadian clock provides a basis for isolating circadian rhythm mutants.

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Selected References

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