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Acta Horticulturae Sinica ›› 2025, Vol. 52 ›› Issue (2): 279-291.doi: 10.16420/j.issn.0513-353x.2024-0264

• Genetic & Breeding·Germplasm Resources·Molecular Biology • Previous Articles     Next Articles

Proteomics Studies on the Early Stages of Botrytis cinerea Infection in Grapevine Leaves

ZHAO Yulei, LI Shan, LI Chengnan, MA Jinlong, MA Hongyi, YIN Xiao*()   

  1. College of Enology and Horticulture,Ningxia University,Yinchuan 750021,China
  • Received:2024-11-13 Revised:2024-12-16 Online:2025-02-25 Published:2025-02-23
  • Contact: YIN Xiao

Abstract:

Inoculating young leaves of susceptible Vitis vinifera‘Pinot Noir’and highly resistant V. amurensis‘Shuangyou’with Botrytis cinerea and treating them with sterile water as the control,label-free quantitative proteomics technology were used to analyze the differentially expressed proteins in the initial stage of B. cinerea infection(Inoculation for 12 h). A total of 12 210 proteins were identified from the two grapevine cultivars. In‘Pinot Noir’,868 differentially expressed proteins were detected,while 1 946 differentially expressed proteins were detected in‘Shuangyou’. Through Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)enrichment analyses,it was determined that differentially expressed proteins were primarily enriched in metabolic pathways,secondary metabolite biosynthesis,and amino acid metabolism,among other signaling pathways. A total of 10 key differently expressed proteins were screened from the two grapevine varieties,and the expression levels of peroxidase,glutathione transferase,lipoxygenase,aldehyde dehydrogenase and stilbene synthase were up-regulated,while the expression levels of NADH dehydrogenase and carbonic anhydrase were down-regulated in highly resistant V. amurensis‘Shuangyou’. The above proteins play an important role in the infection of ‘Shuangyou’leaves by B. cinerea. Peroxidase was also expressed in the susceptible V. vinifera‘Pinot Noir’,indicating that peroxidase was an important differently expressed protein in the early stage of B. cinerea infection in grapevine leaves.

Key words: grapevine, Botrytis cinerea, proteomics, differentially expressed protein, quantitative Real-time PCR