Quantitative proteomics of tomato defense against Pseudomonas syringae infection.

Quantitative proteomics of tomato defense against Pseudomonas syringae infection.
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DOI:
10.1002/pmic.201200402
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发表时间:
2013-06
期刊:
影响因子:
3.4
通讯作者:
Chen, Sixue
Chen, Sixue
中科院分区:
生物学3区
文献类型:
--
作者:
Parker, Jennifer;Koh, Jin;Yoo, Mi-Jeong;Zhu, Ning;Feole, Michelle;Yi, Sarah;Chen, Sixue

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遗传和微阵列分析在植物和病原体相互作用领域提供了有用的信息。丁香假单胞菌。番茄DC3000 (Pst)引起番茄细菌性斑点病。以往的研究表明,转录物水平对病原体感染的反应变化在不同的时间点是可变的。该研究不仅提供了抗性和易感基因型之间的蛋白质组学变化,而且还提供了早期和晚期时间点之间变化的信息。利用iTRAQ定量蛋白质组学方法,在番茄叶片中鉴定出2369个蛋白,其中477个蛋白对Pst接种有应答。在每次比较后进一步分析独特和差异蛋白,以提供蛋白质变化及其在病原体反应中发挥的潜在功能的信息。这些信息不仅适用于番茄蛋白质组学,而且还增加了现有作物蛋白质组学分析的库,以及它如何响应病原体感染。
Genetic and microarray analyses have provided useful information in the area of plant and pathogen interactions. Pseudomonas syringae pv. tomato DC3000 (Pst) causes bacterial speck disease in tomato. Previous studies have shown that changes in response to pathogen infection at transcript level are variable at different time points. This study provides not only proteomic changes between a resistant and a susceptible genotype, but also information on changes between an early and a late time point. Using iTRAQ quantitative proteomics approach, we have identified 2,369 proteins in tomato leaves, and 477 of them were determined to be responsive to Pst inoculation. Unique and differential proteins after each comparison were further analyzed to provide information about protein changes and the potential functions they play in the pathogen response. This information is applicable not only to tomato proteomics, but also adds to the repertoire of now available for crop proteomic analysis and how it changes in response to pathogen infection.
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