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Molecular Analysis of the Interactions between Cyst Nematodes and Their Hosts.

Authors
  • Burrows, P R
Type
Published Article
Journal
Journal of Nematology
Publisher
"Exeley, Inc."
Publication Date
Sep 01, 1992
Volume
24
Issue
3
Pages
338–342
Identifiers
PMID: 19283006
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

In order to complete its life cycle, a cyst nematode must stimulate the production of a specialized syncytial feeding site within host root tissues. This process is characterized by major changes in local root morphology, including enlargement of affected nuclei and nucleoli, cell wall degradation, and proliferation of subcellular organelles. At the molecular level very little is known about the processes involved in this host response, but recent evidence suggests that cyst nematodes are able to regulate specific host genes. The host-parasite model system provided by Arabidopsis thaliana and Heterodera schachtii will be fundamental to our future understanding of the formation of syncytia. Molecular biology now offers us the opportunity to study this complex host-parasite interaction in great detail. A better understanding of the host genes regulated by cyst nematodes and the mechanisms by which this regulation is achieved will facilitate the engineering of crop cultivars that possess novel forms of resistance to these adept parasites.

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