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Capabilities of the Ascomycete Fungus Penicillium Verruculosum and its Enzymes for Conversion of Cellulosic Feedstock

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Liquid Biofuels: Bioethanol

Abstract

Cellulolytic enzymes are found in various microorganisms, however, ascomycete fungi are the most effective in cellulose hydrolysis. In world practice, the enzymes of the fungus Trichoderma, which is the ancestor of all cellulolytic enzymes producers, are still used as a source of industrial cellulases. At the moment there are other promising cellulase-producing fungi. These include fungal strains belonging to the genera Aspergillus, Myceliophtora (Chrysosporium), Chaetomium etc. The most promising strain among other microorganisms is the ascomycete cellulolytic Penicillium verruculosum, which contains cellulases with higher molecular activity and better operational characteristics. Using fungus P. verruculosum as a host, an expression system has been created that allows one to obtain improved enzyme complexes containing a «finely tuned» set of enzymes capable of effectively destroying plant polysaccharides under specified technological conditions.

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Acknowledgments

This research was funded by the Russian Foundation for Basic Research (RFBR No. 18-54-80027) and Ministry of Science and High Education.

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Correspondence to Aleksandra M. Rozhkova .

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© 2022 The Author(s), under exclusive license to Springer Nature Switzerland AG

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Rozhkova, A.M., Gusakov, A.V., Dotsenko, A.S., Sinitsyna, O.A., Sinitsyn, A.P. (2022). Capabilities of the Ascomycete Fungus Penicillium Verruculosum and its Enzymes for Conversion of Cellulosic Feedstock. In: Soccol, C.R., Amarante Guimarães Pereira, G., Dussap, CG., Porto de Souza Vandenberghe, L. (eds) Liquid Biofuels: Bioethanol. Biofuel and Biorefinery Technologies, vol 12. Springer, Cham. https://doi.org/10.1007/978-3-031-01241-9_11

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