Physiological and Biochemical Studies on Germinating Fungal Spores. IV. Accumulation of Glutamine and Its Origin in Germinating Conidia of Cochliobolus miyabeanus

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The compositional changes of free amino acids in germinating conidia of Cochliobolus miyabeanus and the origin of the predominant acid in the conidia were studied. Through all stages of germination, the predominant component in free amino acid pools of the conidia was glutamine. The experimental results on the metabolism of protein and carbohydrate in the conidia suggested that proteolytic products of alkali-soluble protein served as the nitrogen source for glutamine generation, while trehalose, which was consumed rapidly from the commencement of conidial germination, did not provide the carbon skeleton of the accumulated glutamine, but was catabolized to CO_2 through the hexose monophosphate pathway and the tricarboxylic acid cycle.
社団法人日本薬学会の論文
1980-05-25