LOCALIZATION OF ENZYMES IN THE MYCELIUM AND MICROCONIDIA OF FUSARIUM OXYSPORUM1
AUTOR(ES)
Maruyama, Yoshiharu
RESUMO
Maruyama, Yoshiharu (Cornell University, Ithaca, N.Y.) and Martin Alexander. Localization of enzymes in the mycelium and microconidia of Fusarium oxysporum. J. Bacteriol. 84:307–312. 1962—Extracts prepared from mycelium and microconidia of Fusarium oxysporum f. cubense were fractionated into a soluble and four particulate fractions by differential centrifugation, and the distribution of several enzymes in the isolated cell constituents was examined. Succinic dehydrogenase, cytochrome oxidase, and a large amount of the reduced diphosphopyridine nucleotide (DPNH) cytochrome c reductase and reduced triphosphopyridine nucleotide cytochrome c reductase were associated with one of the particulate fractions prepared from the hyphae; fumarase and DPNH oxidase activities were largely found in the soluble and in a second particulate fraction. The highest recovery and concentration of diphosphopyridine nucleotidase was observed to be bound to a third type of hyphal granule. Aldolase, aconitase, glucose-6-phosphatase, and uricase were recovered entirely with the soluble mycelium constituents. Similar enzyme-distribution patterns were observed in microconidia. Several enzymatic activities of the mycelial extracts were compared with those in the extracts of microconidia.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=277862Documentos Relacionados
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