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

• 遗传育种·种质资源·分子生物学 • 上一篇    下一篇

灰霉菌侵染葡萄叶片初期的蛋白质组学研究

赵钰磊, 李珊, 李承男, 马金龙, 马红义, 尹晓*()   

  1. 宁夏大学葡萄酒与园艺学院,银川 750021
  • 收稿日期:2024-11-13 修回日期:2024-12-16 出版日期:2025-02-25 发布日期:2025-02-23
  • 通讯作者:
  • 基金资助:
    国家自然科学基金项目(32302496); 宁夏自然科学基金优青项目(2023AAC05016)

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 Published:2025-02-25 Online:2025-02-23

摘要:

利用非标记定量蛋白质组学技术,对易感灰霉病的欧洲葡萄(Vitis vinifera)品种‘黑比诺’和高抗灰霉病的野生山葡萄(V. amurensis)品种‘双优’的幼嫩叶片进行灰霉菌接种,以接种无菌水为对照,分析二者在灰霉菌侵染初期(接种后12 h)的差异表达蛋白。2个品种共鉴定出12 210个蛋白质,在‘黑比诺’中,检测出868个差异表达蛋白,‘双优’中检测出1 946个差异表达蛋白。通过GO和KEGG富集分析,发现差异表达蛋白主要集中于代谢通路、次生代谢物、氨基酸代谢等信号途径中。在2个品种中共筛选出10个关键差异表达蛋白,并且在高抗品种‘双优’中筛选出的过氧化物酶、谷胱甘肽转移酶、酯氧合酶、乙醛脱氢酶和二苯乙烯合酶的表达量发生上调,NADH脱氢酶和碳酸酐酶的表达量受到抑制,说明以上蛋白在‘双优’叶片受到灰霉菌侵染过程中起重要作用,其中过氧化物酶在易感品种‘黑比诺’中也有表达,表明过氧化物酶在葡萄叶片受灰霉菌侵染初期积极响应,是重要差异表达蛋白。

关键词: 葡萄, 灰霉菌, 蛋白质组学, 差异表达蛋白, 实时荧光定量PCR

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