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Elucidation of the compatible interaction between banana and Meloidogyne incognita via high-throughput proteome profiling

机译：通过高通量蛋白质组学分析阐明香蕉与根结线虫之间的相容相互作用

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摘要

With a diverse host range, Meloidogyne incognita (root-knot nematode) is listed as one of the most economically important obligate parasites of agriculture. This nematode species establishes permanent feeding sites in plant root systems soon after infestation. A compatible host-nematode interaction triggers a cascade of morphological and physiological process disruptions of the host, leading to pathogenesis. Such disruption is reflected by altered gene expression in affected cells, detectable using molecular approaches. We employed a high-throughput proteomics approach to elucidate the events involved in a compatible banana- M. incognita interaction. This study serves as the first crucial step in developing natural banana resistance for the purpose of biological-based nematode management programme. We successfully profiled 114 Grand naine root proteins involved in the interaction with M. incognita at the 30th- and 60th- day after inoculation (dai). The abundance of proteins involved in fundamental biological processes, cellular component organisation and stress responses were significantly altered in inoculated root samples. In addition, the abundance of proteins in pathways associated with defence and giant cell maintenance in plants such as phenylpropanoid biosynthesis, glycolysis and citrate cycle were also implicated by the infestation.
机译：根结线虫（Meloidogyne incognita）（根结线虫）具有多种寄主范围，被列为最经济的重要专性农业寄生虫之一。这种线虫物种在侵染后不久便在植物根系中建立了永久的觅食点。相容的宿主-线虫相互作用触发宿主的形态和生理过程级联破坏，从而导致发病机理。这种破坏反映在受影响细胞中基因表达的改变，可以使用分子方法检测到。我们采用了高通量蛋白质组学方法来阐明香蕉-M。incognita兼容相互作用中涉及的事件。这项研究是开发基于生物线虫管理计划的天然香蕉抗性的第一步。我们成功地分析了在接种后第30天和第60天与锯齿隐孢子虫相互作用的114个大naine根蛋白。在接种的根样品中，参与基本生物学过程，细胞成分组织和应激反应的蛋白质丰度发生了显着变化。此外，侵染还涉及与植物防御和巨细胞维持相关的途径中大量蛋白质，例如苯丙烷类生物合成，糖酵解和柠檬酸盐循环。

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