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Degradation of plant cell walls by a nematode

Degradation of plant cell walls by a nematode Interwoven networks of cellulose and pectin are the main components of plant cell walls 1 , making them recalcitrant structures that can only be degraded by organisms producing a mix of synergistically acting enzymes. Animals were believed to be unable to synthesize these enzymes, depending instead on symbiotic microbes to render plants into a food source. Here we describe a metazoan pectinase gene that encodes a pectate lyase for breaking down the pectin component of plant cell walls. To our knowledge, this is the first example of non-symbiotic degradation of pectin in plant cell walls by an animal. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Springer Journals

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References (8)

Publisher
Springer Journals
Copyright
Copyright © 2000 by Macmillan Magazines Ltd.
Subject
Science, Humanities and Social Sciences, multidisciplinary; Science, Humanities and Social Sciences, multidisciplinary; Science, multidisciplinary
ISSN
0028-0836
eISSN
1476-4687
DOI
10.1038/35017641
Publisher site
See Article on Publisher Site

Abstract

Interwoven networks of cellulose and pectin are the main components of plant cell walls 1 , making them recalcitrant structures that can only be degraded by organisms producing a mix of synergistically acting enzymes. Animals were believed to be unable to synthesize these enzymes, depending instead on symbiotic microbes to render plants into a food source. Here we describe a metazoan pectinase gene that encodes a pectate lyase for breaking down the pectin component of plant cell walls. To our knowledge, this is the first example of non-symbiotic degradation of pectin in plant cell walls by an animal.

Journal

NatureSpringer Journals

Published: Jul 6, 2000

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