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Plant Parasitic Nematodes: Habitats, Hormones, and Horizontally-Acquired Genes
Journal of Plant Growth Regulation ( IF 4.8 ) Pub Date : 2000-06-01 , DOI: 10.1007/s003440000022
Bird 1 , Koltai
Affiliation  

A bstractPlant parasitic nematodes are ubiquitous and cosmopolitan pathogens of vascular plants and exploit all parts of the roots and shoots, causing substantial crop damage. Nematodes deploy a broad spectrum of feeding strategies, ranging from simple grazing to the establishment of complex cellular structures (including galls) in host tissues. Various models of feeding site formation have been proposed, and a role for phytohormones has long been speculated, although whether they perform a primary or secondary function is unclear. On the basis of recent molecular evidence, we present several scenarios involving phytohormones in the induction of giant cells by root-knot nematode. The origin of parasitism by nematodes, including the acquisition of genes to synthesize or modulate phytohormones also is discussed, and models for horizontal gene transfer are presented.

中文翻译:

植物寄生线虫:栖息地、激素和水平获得基因

摘要植物寄生线虫是维管植物中普遍存在的全球性病原体,它们会利用根和芽的所有部分,对作物造成严重损害。线虫采用广泛的饲养策略,从简单的放牧到在宿主组织中建立复杂的细胞结构(包括虫瘿)。已经提出了各种摄食部位形成模型,并且长期以来一直推测植物激素的作用,尽管它们是否执行主要或次要功能尚不清楚。根据最近的分子证据,我们提出了几种涉及植物激素在根结线虫诱导巨细胞中的方案。还讨论了线虫寄生的起源,包括获得合成或调节植物激素的基因,
更新日期:2000-06-01
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