Analysis of rice RNA-dependent RNA polymerase 6 (OsRDR6) gene in response to viral, bacterial and fungal pathogens

S. G. Wagh, M. M. Alam, K. Kobayashi, T. Yaeno, N. Yamaoka, T. Toriba, H. Y. Hirano, M. Nishiguchi

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

RNA-dependent RNA polymerases (RDRs) play key roles in gene silencing. The rice RDR6 gene was analyzed in response to viral, bacterial and fungal pathogens, after inoculation of a rice mutant line of OsRDR6, shl2-rol, with Cucumber mosaic virus, Rice necrosis mosaic virus, Xanthomonas oryzae pv. oryzae or Magnaporthe oryzae. Compared with the wild type, the mutant line accumulated more viral RNA after inoculation with the viruses and developed more severe symptoms after inoculation with the bacterium or fungus. Thus, the OsRDR6-mediated RNA silencing pathway seems to participate in defense against not only viruses, but also bacterial and fungal pathogens.

Original languageEnglish
Pages (from-to)12-17
Number of pages6
JournalJournal of General Plant Pathology
Volume82
Issue number1
DOIs
Publication statusPublished - 2016 Jan 1
Externally publishedYes

Keywords

  • Cucumber mosaic virus
  • Magnaporthe oryzae
  • OsRDR6
  • Rice
  • Rice necrosis mosaic virus
  • Xanthomonas oryzae pv. oryzae
  • shl2-rol

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science

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