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Original scientific paper

Ekspresija invertaze iz plijesni tijekom uzgoja na čvrstoj podlozi

Cuitlahuac Aranda ; Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Blvd. Venustiano Carranza and Jose Cárdenas, Col. República, PO Box 252, 25000, Saltillo, Coahuila, Mexico
Armando Robledo ; Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Blvd. Venustiano Carranza and Jose Cárdenas, Col. República, PO Box 252, 25000, Saltillo, Coahuila, Mexico
Octavio Loera ; Department of Biotechnology, Universidad Autónoma Metropolitana, Iztapalapa. Av. Michoacán y la Purisma, Col. Vicentina, 09340, México, D.F. Mexico
Juan C. Contreras-Esquivel ; Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Blvd. Venustiano Carranza and Jose Cárdenas, Col. República, PO Box 252, 25000, Saltillo, Coahuila, Mexico
Raul Rodríguez ; Department of Biotechnology, Universidad Autónoma Metropolitana, Iztapalapa. Av. Michoacán y la Purisma, Col. Vicentina, 09340, México, D.F. Mexico
Cristóbal Noé Aguilar ; Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Blvd. Venustiano Carranza and Jose Cárdenas, Col. República, PO Box 252, 25000, Saltillo, Coahuila, Mexico


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Abstract

U ovom je istraživanju ocijenjena ekspresija aktivnosti invertaze u soju plijesni Aspergillus niger Aa-20 pri različitim koncentracijama dvaju supstrata tijekom rasta na čvrstoj podlozi od poliuretanske pjene. Kao represor upotrijebljena je glukoza, a kao induktor saharoza. Proizvodnja invertaze povećala se dodatkom do 100 g glukoze na litru podloge, a pri većim koncentracijama se smanjila. Omjer indukcije i represije pri svim koncentracijama glukoze bio je 2,5 puta veci od onog pri osnovnim uvjetima (bez induktora).

Keywords

Hrčak ID:

109858

URI

https://hrcak.srce.hr/109858

Publication date:

15.6.2006.

Article data in other languages: english

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