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By Alan Bruce, John Palfreyman

This article offers a assessment of professional study directed in the direction of effective and environmentally delicate use of forests. An introductory bankruptcy explains the constitution and anatomy of wood.

summary: this article provides a evaluate of expert examine directed in the direction of effective and environmentally delicate use of forests. An introductory bankruptcy explains the constitution and anatomy of wooden

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Salvage Logging and Its Ecological Consequences

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KAMMERMEYER, K. L. (1989) Genetic Engineering Fundamentals, An Introduction to Principles and Applications, New York: Marcel Dekker. , BAILEY, P. and LIESE, M. (1970) Enzymatic degradation of cellulose, cellulose derivatives and hemicelluloses in relation to the fungal decay of wood. Wood Sci. Technol. 4, 273–283. KERSTEN, P. (1990) Glyoxal oxidase of Phanerochaete chrysosporium: its characterization and activation by lignin peroxidase. Proc. Natl. Acad. Sci. USA 87, 2936–2940. J. and CULLEN, D.

Curr. Microbiol. 16, 221–227. , GASKELL, J. and CULLEN, D. (1992) The lignin peroxidase gene family of Phanerochaete chrysosporium: complex 35 Highley and Dashek regulation by carbon and nitrogen limitation, and the identification of a second dimorphic chromosome. J. Bacteriol. 174, 5036–5042. , CULLEN, D. and TIEN, M. (1996) Efficient expression of Phanerochaete chrysosporium manganese peroxidase gene in Aspergillus oxyzae. Appl. Environ. Microbiol. 62, 860–864. , HATTORI, T. and SHIMADA, M. (1994) Effect of oxalic acid on the oxidative breakdown of cellulose by the Fenton reaction.

The enzymes that degrade hemicellulose are similarly complex. Compared with cellulases, little is known about the molecular genetics of hemicellulases. There have been no reports of xylanase clones from fungi (Cullen and Kersten, 1992). However, because hemicellulases have 19 Highley and Dashek shown promise as bleaching agents in pulp and paper production, research has intensified in recent years. Degradation of hemicelluloses by white-rot fungi proceeds in a manner roughly analogous to that of cellulose, but the mechanism of attack has been studied in much less detail.

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