Comparative proteomic analysis reveals the cross-talk between the responses induced by H2O2 and by long-term rice black-streaked dwarf virus infection in rice

PLoS One. 2013 Nov 27;8(11):e81640. doi: 10.1371/journal.pone.0081640. eCollection 2013.

Abstract

Hydrogen peroxide (H2O2) could be produced during the plant-virus compatible interaction. However, the cell responses regulated by the enhanced H2O2 in virus infected plant are largely unknown. To make clear the influence of Rice black-streaked dwarf virus (RBSDV) infection on H2O2 accumulation, we measured the content of H2O2 and found the H2O2 level was increased in rice seedlings inoculated with RBSDV. To reveal the responses initiated by the enhanced H2O2 during plant-virus interaction, the present study investigated the global proteome changes of rice under long-term RBSDV infection. Approximately 1800 protein spots were detected on two-dimensional electrophoresis (2-DE) gels. Among them, 72 spots were found differently expressed, of which 69 spots were successfully identified by MALDI-TOF/TOF-MS. Furthermore, the differentially expressed proteins induced by RBSDV infection were compared to that induced by H2O2. 19 proteins corresponding to 37 spots, which were differentially expressed under RBSDV infection, were observed differentially expressed under H2O2 stress as well. These overlapping responsive proteins are mainly related to photosynthesis, redox homeostasis, metabolism, energy pathway, and cell wall modification. The increased H2O2 in RBSDV infected plant may produce an oxidative stress, impair photosynthesis, disturb the metabolism, and eventually result in abnormal growth. The data provide a new understanding of the pivotal role of H2O2 in rice-RBSDV compatible interaction.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Hydrogen Peroxide / metabolism*
  • Oryza / cytology
  • Oryza / metabolism*
  • Oryza / physiology
  • Oryza / virology*
  • Plant Proteins / metabolism
  • Proteomics*
  • Reoviridae / physiology*
  • Stress, Physiological
  • Time Factors
  • Transcription, Genetic

Substances

  • Plant Proteins
  • Hydrogen Peroxide

Grants and funding

This research was financially supported by grants from the Jiangsu Agriculture Science and Technology Innovation Fund (CX(13)5019), the National Natural Science Foundation of China (31000841, 31201484), the Special Fund for Agro-Scientific Research in the Public Interest of China (201003031), and National Key Basic Research and Development Program (973 Program) of China (2010CB126203). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.