Enzyme production in submerged fermentation by Aspergillus nidulans

Kovács, Etelka and Szűcs, Csilla and Bagi, Zoltán and Kovács, Kornél: Enzyme production in submerged fermentation by Aspergillus nidulans. Proceedings of the International Symposium on Analytical and Environmental Problems, (24). pp. 313-315. (2018)

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Abstract

The planet has limited resources of farmland nutrients and fossil energy. Traffic emissions will have to be reduced significantly in the coming years to help abate climate change. In these days, when humankind must face these problems, biogas is considered as one of the most important natural energy sources. Plant biomass is the largest reservoir of environmentally friendly renewable energy on Earth (1-3). However, the complex and recalcitrant structure of the lignocellulose-rich substrates is a severe limitation of biogas production. Agro-industrial processes produce large quantities of corn stalk and wheat straw as plant-waste materials each year. The production of cellulase has been reported from a wide variety of bacteria and fungi. Aspergillus nidulans was isolated from cattle rumen under anaerobic conditions. The extracellular enzymes of A. nidulans were well represented in the culture media because the specific activity of endoglucanase and β-glucosidase was high.

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