Modification of blue light photoresponses by riboflavin analogs in Neurospora crassa

The effect of riboflavin analogs on blue light responses in a riboflavin mutant of Neurospora crassa was studied. The analogs 1-deazariboflavin and roseoflavin, which have red-shifted absorption, acted as photoreceptors for the photosuppression and phase shifting of circadian conidiation by 540 nm l...

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Published inPlant physiology (Bethesda) Vol. 72; no. 3; pp. 764 - 766
Main Authors Paietta, J, Sargent, M.L
Format Journal Article
LanguageEnglish
Published Rockville, MD American Society of Plant Physiologists 01.07.1983
Subjects
Bacteriology
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
fungi
Metabolism. Enzymes
Microbiology
Neurospora crassa
Fungi
Thallophyta
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Summary:The effect of riboflavin analogs on blue light responses in a riboflavin mutant of Neurospora crassa was studied. The analogs 1-deazariboflavin and roseoflavin, which have red-shifted absorption, acted as photoreceptors for the photosuppression and phase shifting of circadian conidiation by 540 nm light, but were ineffective as photoreceptors for the induction of carotenoid synthesis. These results provide addtional evidence implicating a flavin photoreceptor for at least two blue light responses of Neurospora.
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Present address: Department of Biochemistry, Ohio State University, 484 West 12th Avenue, Columbus, OH 43210.
ISSN:0032-0889
1532-2548
DOI:10.1104/pp.72.3.764