The pentose catabolic pathway of the rice-blast fungus Magnaporthe oryzae involves a novel pentose reductase restricted to few fungal species

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Abstract

A gene (MoPRD1), related to xylose reductases, was identified in Magnaporthe oryzae. Recombinant MoPRD1 displays its highest specific reductase activity toward l-arabinose and d-xylose. Km and Vmax values using l-arabinose and d-xylose are similar. MoPRD1 was highly overexpressed 2-8 h after transfer of mycelium to d-xylose or l-arabinose, compared to d-glucose. Therefore, we conclude that MoPDR1 is a novel pentose reductase, which combines the activities and expression patterns of fungal l-arabinose and d-xylose reductases. Phylogenetic analysis shows that PRD1 defines a novel family of pentose reductases related to fungal d-xylose reductases, but distinct from fungal l-arabinose reductases. The presence of PRD1, l-arabinose and d-xylose reductases encoding genes in a given species is variable and likely related to their life style. © 2013 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.

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APA

Klaubauf, S., Ribot, C., Melayah, D., Lagorce, A., Lebrun, M. H., & De Vries, R. P. (2013). The pentose catabolic pathway of the rice-blast fungus Magnaporthe oryzae involves a novel pentose reductase restricted to few fungal species. FEBS Letters, 587(9), 1346–1352. https://doi.org/10.1016/j.febslet.2013.03.003

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