Over production of lignocellulosic enzymes of Coriolus versicolor by genetic engineering methodology. Final report

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Description

The project seeks to understand the biological and chemical processes involved in the secretion of the enzyme polyphenol oxidase (PPO) by the hyphae, the basic unit of the filamentous fungus Coriolus versicolor. These studies are made to determine rational strategies for enhanced secretion of PPO, both with the use of recombinant DNA techniques and without. This effort focuses on recombinant DNA techniques to enhance enzyme production. The major thrust of this project was two-fold: to mass produce C. versicolor tyrosinase (polyphenol oxidase) by genetic engineering as well as cultural manipulations; and to utilize PPO as a biocatalyst in the processing ... continued below

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16 p.

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Williams, A. L. July 1, 1998.

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Description

The project seeks to understand the biological and chemical processes involved in the secretion of the enzyme polyphenol oxidase (PPO) by the hyphae, the basic unit of the filamentous fungus Coriolus versicolor. These studies are made to determine rational strategies for enhanced secretion of PPO, both with the use of recombinant DNA techniques and without. This effort focuses on recombinant DNA techniques to enhance enzyme production. The major thrust of this project was two-fold: to mass produce C. versicolor tyrosinase (polyphenol oxidase) by genetic engineering as well as cultural manipulations; and to utilize PPO as a biocatalyst in the processing of lignocellulose as a renewable energy resource. In this study, the assessment of genomic and cDNA recombinant clones with regards to the overproduction of PPO continued. Further, immunocytochemical techniques were employed to assess the mechanism(s) involved in the secretion of PPO by the hyphae. Also, factors influencing PPO secretion were examined.

Physical Description

16 p.

Notes

OSTI as DE98005981

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  • Other Information: PBD: [1998]

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  • Other: DE98005981
  • Report No.: DOE/CH/10557--T1
  • Grant Number: FG36-93CH10557
  • DOI: 10.2172/631204 | External Link
  • Office of Scientific & Technical Information Report Number: 631204
  • Archival Resource Key: ark:/67531/metadc697406

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  • July 1, 1998

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  • Aug. 14, 2015, 8:43 a.m.

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  • Jan. 7, 2018, 1:15 a.m.

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Williams, A. L. Over production of lignocellulosic enzymes of Coriolus versicolor by genetic engineering methodology. Final report, report, July 1, 1998; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc697406/: accessed April 19, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.