The band mutation in Neurospora crassa is a dominant allele of ras-1 implicating RAS signaling in circadian output.

Abstract excerpt

band, an allele enabling clear visualization of circadianly regulated spore formation (conidial banding), has remained an integral tool in the study of circadian rhythms for 40 years. bd was mapped using single-nucleotide polymorphisms (SNPs), cloned, and determined to be a T79I point mutation in ras-1. Alterations in light-regulated gene expression in the ras-1(bd) mutant suggests that the Neurospora...

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