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Regulation of growth and cercosporin photo induction in cercospora beticola


Transactions of the British Mycological Society 73(2): 311-328
Regulation of growth and cercosporin photo induction in cercospora beticola
The production of cercosporin, a pigment of the leaf spot pathogen of sugar beet, C. beticola Sacc., was induced by blue light Cercosporin photoinduction was O2 and CO2 dependent. Cercosporin production evidently is a biphasic phenomenon; the initial CO2 sensitive, light-independent steps represent the accumulation of intermediates which are then converted to cercosporin by light-dependent, CO2 insensitive steps. Those results, along with action spectral evidence, isolation of a pigment-protein complex and indications of cercosporin involvement in terminal respiration suggest the possibility that quinones may fulfil the role of photoreceptor compounds in this organism.


Accession: 006288266



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