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      Production of xylan-degrading enzymes by a Trichoderma harzianum strain Translated title: Produção de enzimas xilanolíticas por uma cepa de Trichoderma harzianum

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          Abstract

          Trichoderma harzianum strain 4 produced extracellular xylan-degrading enzymes, namely beta-xylanase, beta-xylosidase and alpha-arabinofuranosidase, when grown in liquid medium cultures containing oat spelt xylan as inducer. Cellulase activity was not detected. The pattern of xylan-degrading enzymes induction was influenced by the form of xylan present in the medium. They were detected in different incubation periods. Electrophoretic separation of the proteins from liquid culture filtrates by SDS-PAGE showed a variety of bands with high and low molecular weights.

          Translated abstract

          O fungo Trichoderma harzianum linhagem 4 produziu, enzimas xilanolíticas quando crescido em meios de cultura líquido contendo xilana como indutor. Atividade celulolítica não foi detectada. O tipo de xilana presente no meio de cultura influenciou a indução das enzimas xilanolíticas. As enzimas foram detectadas em diferentes períodos de incubação. SDS-PAGE de amostras de meios de cultura apresentou uma variedade de bandas protéicas com alto e baixo pesos moleculares.

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          Cleavage of Structural Proteins during the Assembly of the Head of Bacteriophage T4

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            Improved silver staining of plant proteins, RNA and DNA in polyacrylamide gels

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              Xylanases in bleaching: From an idea to the industry

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                Author and article information

                Journal
                bjm
                Brazilian Journal of Microbiology
                Braz. J. Microbiol.
                Sociedade Brasileira de Microbiologia (São Paulo, SP, Brazil )
                1517-8382
                1678-4405
                June 2001
                : 32
                : 2
                : 141-143
                Affiliations
                [01] DF orgnameUniversidade de Brasília orgdiv1Departamento de Biologia Celular orgdiv2Laboratório de Enzimologia Brasil
                Article
                S1517-83822001000200014 S1517-8382(01)03200214
                10.1590/S1517-83822001000200014
                9f333502-2e8e-4c57-9550-6801ae843ad4

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 28 May 2001
                : 19 January 2001
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 17, Pages: 3
                Product

                SciELO Brazil

                Categories
                Industrial Microbiology

                atividade xilanolítica,T. harzianum,xilana,xylanolytic activity,xylan

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