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Does light control fungal cellulase genes?

Neurospora photoreceptors WC-1, WC-2 and VVD influence cellulase expression; light-modulated cellulase regulation is conserved in filamentous fungi.

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Which photoreceptors influence cellulase expression?

WC-1, WC-2 and VVD.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified

Is light-modulated cellulase expression unique?

No—authors conclude it is a conserved phenomenon in filamentous fungi.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified

Why is Neurospora a good model here?

Best-studied organism for light response and circadian rhythms.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified

What enzymes are modulated?

Cellulolytic / cellulase enzymes.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified

How did they follow up transcriptional hits?

Evaluated mutant phenotypes of differentially regulated genes in wc-1 backgrounds.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified

Proposed ecological rationale?

Evolutionary advantage in the natural habitat.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified

Teaching point?

Light sensors can gate metabolic enzyme expression, not only development.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified

Photoreceptors act with what?

Cognate signalling cascades affecting many physiological targets.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified

Best topic?

Circadian/light biology intersecting gene expression.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified

What process do cellulases enable?

Breakdown of cellulose for carbon acquisition.

Source: Unravelling the molecular basis for light modulated cellulase gene expression - the role of photoreceptors in Neurospora crassa · DOI · quote verified