Genome Evolution of Plant-Parasitic Nematodes

Taisei Kikuchi (Lead / Corresponding author), Sebastian Eves-van den Akker, John T. Jones

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)333-354
Number of pages21
JournalAnnual Review of Phytopathology
Volume55
Early online date7 Jun 2017
DOIs
Publication statusPublished - Aug 2017

Keywords

  • convergent evolution
  • effectors
  • gene family expansion
  • gene regulation
  • genome adaptations
  • horizontal gene transfer
  • next-generation sequencing
  • plant parasitism

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