Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 369494
Title Regulation of pentose catabolic pathway genes of Aspergillus niger
Author(s) Groot, M.J.L. de; Dool, C. van den; Wosten, H.A.B.; Levisson, M.; vanKuyk, P.A.; Ruijter, G.J.G.; Vries, R.P. de
Source Food Technology and Biotechnology 45 (2007)2. - ISSN 1330-9862 - p. 134 - 138.
Department(s) Microbiological Laboratory
WU Agrotechnology and Food SciencesDepartment of Agrotechnology and Food Sciences
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2007
Keyword(s) transcriptional activator xlnr - d-xylose - l-arabinose - alpha-glucuronidase - degrading enzymes - kinase gene - expression - nidulans - polysaccharides - degradation
Abstract The aim of this study was to obtain a better understanding of the pentose catabolism in Aspergillus niger and the regulatory systems that affect it. To this end, we have cloned and characterised the genes encoding A. niger L-arabitol dehydrogenase (ladA) and xylitol dehydrogenase (xdhA), and compared the regulation of these genes to other genes of the pentose catabolic pathway. This demonstrated that activation of the pathway depends on two transcriptional regulators, the xylanolytic activator (XlnR) and an unidentified L-arabinose specific regulator (AraR). These two regulators affect those genes of the pentose catabolic pathway that are related to catabolic conversion of their corresponding inducers (D-xylose and L-arabinose, respectively).
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