Induced systemic resistance against Cucumber mosaic virus by Phoma sp. GS8-2 stimulates transcription of pathogenesis-related genes in Arabidopsis.

BACKGROUND Cucumber mosaic virus (CMV) is a serious threat to vegetable production worldwide. The efficacy of Phoma sp. GS8-2 was evaluated against CMV in Arabidopsis and cucumber plants. RESULTS Arabidopsis and cucumber plants treated with barley grain inoculum (BGI) or cell-free filtrate (CF) of GS8-2 demonstrated decreased CMV severity and titre using enzyme-linked immunosorbent assay relative to the control. Cucumber growth and yield parameters were significantly increased due to colonization with GS8-2 under field conditions. Molecular mechanisms underlying mediated resistance induced by GS8-2 against CMV were investigated. Real-time polymerase chain reaction (RT-PCR) results confirmed that both BGI and CF of GS8-2 stimulated the transcription levels of pathogenesis related genes (β1-3 glucanase, chitinase, PR1, PAL1 and LOX1), which could be involved in induced resistance against CMV. CONCLUSION Exploring the expression of the highly upregulated genes in GS8-2-induced plants suggested the contribution of multiple plant defence pathways against CMV. © 2018 Society of Chemical Industry.

• Publication year

  2018

• Venue

  Pest Management Science

• Publication date

  2018-10-15

• Fields of study

  Biology, Medicine, Environmental Science

• Identifiers
  DOI 10.1002/ps.5193PMID 30168656
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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