Production of beta-glucosidase by Aspergillus terreus.

Pushalkar, S; Rao, K K; Menon, K

Pushalkar, S; Rao, K K; Menon, K.

Afiliación

Pushalkar S; Department of Microbiology and Biotechnology Centre, Faculty of Science, M.S. University of Baroda, India.

Curr Microbiol ; 30(5): 255-8, 1995 May.

Article en En | MEDLINE | ID: mdl-7766152

RESUMEN

The production of beta-glucosidase by Aspergillus terreus was investigated in liquid shake cultures. Enzyme production was maximum on the 7th day of growth (2.18 U/ml) with the initial pH of the medium in the range of 4.0-5.5. Cellulose (Sigmacell Type 100) at 1.0% (wt/vol) gave maximum beta-glucosidase activity among the various soluble and insoluble carbon sources tested. Potassium nitrate was a suitable nitrogen source for enzyme production. Triton X-100 at 0.15% (vol/vol) increased the enzyme levels of A. terreus. The test fungal strain showed an ability to ferment glucose to ethanol.

Asunto(s)

Aspergillus/enzimología; beta-Glucosidasa/biosíntesis; Aspergillus/crecimiento & desarrollo; Aspergillus/metabolismo; Biotecnología; Medios de Cultivo; Fermentación; Concentración de Iones de Hidrógeno; Nitrógeno/metabolismo; Especificidad por Sustrato; Tensoactivos/farmacología; beta-Glucosidasa/metabolismo

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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Aspergillus / Beta-Glucosidasa Idioma: En Revista: Curr Microbiol Año: 1995 Tipo del documento: Article País de afiliación: India Pais de publicación: Estados Unidos

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