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Genome Evolution of Plant-Parasitic Nematodes
Annual Review of Phytopathology ( IF 9.1 ) Pub Date : 2017-08-04 00:00:00 , DOI: 10.1146/annurev-phyto-080516-035434
Taisei Kikuchi 1 , Sebastian Eves-van den Akker 2, 3 , John T. Jones 4, 5
Affiliation  

Plant parasitism has evolved independently on at least four separate occasions in the phylum Nematoda. The application of next-generation sequencing (NGS) to plant-parasitic nematodes has allowed a wide range of genome- or transcriptome-level comparisons, and these have identified genome adaptations that enable parasitism of plants. Current genome data suggest that horizontal gene transfer, gene family expansions, evolution of new genes that mediate interactions with the host, and parasitism-specific gene regulation are important adaptations that allow nematodes to parasitize plants. Sequencing of a larger number of nematode genomes, including plant parasites that show different modes of parasitism or that have evolved in currently unsampled clades, and using free-living taxa as comparators would allow more detailed analysis and a better understanding of the organization of key genes within the genomes. This would facilitate a more complete understanding of the way in which parasitism has shaped the genomes of plant-parasitic nematodes.

中文翻译:


植物寄生线虫的基因组进化

植物寄生在线虫门中至少在四个不同的场合独立地进化了。下一代测序技术(NGS)在植物寄生线虫中的应用已实现了广泛的基因组或转录组水平的比较,并且这些已鉴定出能够使植物寄生的基因组适应性。当前的基因组数据表明水平基因转移,基因家族扩展,介导与宿主相互作用的新基因的进化以及寄生虫特异性基因调控是允许线虫寄生植物的重要适应措施。对大量线虫基因组进行测序,包括显示出不同寄生模式或已在当前未采样进化枝中进化的植物寄生虫,并使用自由活动的分类单元作为比较器,可以进行更详细的分析,并更好地理解基因组内关键基因的组织。这将有助于更全面地了解寄生虫对植物寄生线虫基因组的影响方式。

更新日期:2017-08-04
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