The role of phytohormones ethylene and auxin in plant-nematode interactions |
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Authors: | O A Gutierrez M J Wubben M Howard B Roberts E Hanlon J R Wilkinson |
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Institution: | (1) Department of Molecular Biotechnology, Ghent University, Ghent, Belgium |
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Abstract: | The phytohormones ethylene and auxin regulate many important processes in plants, including cell differentiation, cell expansion,
and responses to abiotic stresses. These hormones also play important roles in many plant-pathogen interactions, including
regulation of plant defense responses and symptom development. Sedentary plant-parasitic nematodes, which require the formation
of a complex feeding site within the host root, are among the world’s most destructive plant pathogens. Nematode-induced feeding
sites show dramatic changes in host cell morphology and gene expression. These changes are likely mediated, at least in part,
by phytohormones. In the present review, current knowledge of the roles of ethylene and auxin will be explored in two main
areas: the specific role of phytohormones in mediating feeding site development by plant-parasitic nematodes and the general
role of phytohormones in affecting the ability of parasitic nematodes to cause disease.
Published in Russian in Fiziologiya Rastenii, 2009, Vol. 56, No. 1, pp. 3–7.
This article was presented in original. |
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Keywords: | auxin ethylene nematode molecular nematology plant-nematode interactions |
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