Label-free quantitative proteomic analysis revealed a positive effect of ectopic over-expression of PeaT1 from Alternaria tenuissima on rice (Oryza sativa) response to drought

文献类型： 外文期刊

第一作者： Yang, Xiufen

作者： Yang, Xiufen;Zeng, Hongmei;Guo, Lihua;Qiu, Dewen;Shi, Fachao

作者机构：

关键词： Proteomic analysis; Drought tolerance; PeaT1; Over-expression

期刊名称：3 BIOTECH （ 影响因子：2.406； 五年影响因子：3.203 ）

ISSN： 2190-572X

年卷期： 2018 年 8 卷 11 期

页码：

收录情况： SCI

摘要： The protein elicitor PeaT1 was found in Alternaria tenuissima and exerted broad spectrum resistance in wheat, cotton, and rice. Recently, we found that overexpressing PeaT1 rice (OE) could enhance plant drought tolerance. Elucidating some elevated drought stress-related proteins and associated mechanisms is inevitable for improving drought tolerance in rice. In this study, combining a label-free quantitative proteomic method, multiple proteins were differentially accumulated in OE plants. Among these, a total of 57 significant changed proteins (including 32 up-regulated and 25 down-regulated) were mainly involved in metabolic, cellular, biological progress, and stress response. Using the RT-qPCR assay, 18 proteins' relative abundance was detected mostly consistent with the proteins abundance in proteomic data. Specially, proteins involved in abiotic stress, such as OsSKIPa and OsPP2C, which were significantly induced in early after dehydration treatment in transgenic rice, and the other stress response genes (prohibitin protein, PsbP protein, msrB Protein) also changed in PeaT1 OE lines. Taken together, these results suggested that these differential proteins would be helpful for understanding the functional molecular mechanism of PeaT1 in rice.

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