Conditions for fruit body formation in the white rot basidiomycete Phanerochaete chrysosporium |
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Authors: | Michael H Gold Therese M Cheng |
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Institution: | (1) Department of Chemistry and Biochemical Sciences Oregon Graduate Center, 97005 Beaverton, Oregon, USA |
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Abstract: | In Phanerochaete chrysosporium fruit body formations is subject to strong catabolite repression by glucose in the presence of physiological levels of nitrogen. Walseth cellulose was found to be the best source of carbon for the induction of fruit body and consequent basidiospore synthesis. Ejected basidiospores collected from cultures grown under these conditions for two weeks are contaminated with neither conidia nor mycelial fragments and are therefore suitable for genetic analysis of recombination. Under conditions of nitrogen limitation, the glucose catabolite repression of fruit body synthesis was relieved. Exogenous adenosine 3,5-monophosphate but not other related nucleotides, also relieved glucose catabolite repression of fruit body formation. |
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Keywords: | Basidiomycete Basidiospores Fruit body Hymenium Catabolite repression Nitrogen repression cAMP Phanerochaete chrysosporium |
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