Short communications: Effect of water activity on cell growth and phenol oxidase production by Streptomyces cyneus var. viridochromogenes in surface culture (original) (raw)

World Journal of Microbiology & Biotechnology, 1996

Maria Fernanda F AriasM. Arias

Abstract

ABSTRACT In surface cultures of Streptomyces cyaneus var. viridochromogenes, NaCl depressed water activity (a(w)) without supporting growth. Reducing a(w) from 0.987 to 0.951 led to 3- and 4-fold increases in intracellular and extracellular phenol oxidase activities, respectively.

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