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Proteomic and physiological assessment of stress sensitive and tolerant variety of tomato treated with brassinosteroids and hydrogen peroxide under low-temperature stress

文献类型： 外文期刊

作者： Khan, Tanveer Alam 1 ; Yusuf, Mohammad 2 ; Ahmad, Aqeel 3 ; Bashir, Zoobia 4 ; Saeed, Taiba 5 ; Fariduddin, Qazi 6 ; H 1 ;

作者机构： 1.Leibniz Inst Plant Genet & Crop Plant Res, Dept Physiol & Cell Biol, Corrensstr 3, D-06466 Gatersleben, Germany

2.United Arab Emirates Univ, Biol Dept, Coll Sci, Al Ain, U Arab Emirates

3.Guangdong Acad Agr Sci, Vegetable Res Inst, Guangdong Key Lab New Technol Res Vegetables, Guangzhou 510640, Guangdong, Peoples R China

4.Nanjing Univ, Dept Phys, Natl Lab Solid State Microstruct, 22 Hankou Rd, Nanjing 210093, Jiangsu, Peoples R China

5.Aligarh Muslim Univ, Dept Bot, Plant Biotechnol Lab, Aligarh 202002, Uttar Pradesh, India

6.Aligarh Muslim Univ, Dept Bot, Plant Physiol & Biochem Sect, Aligarh 202002, Uttar Pradesh, India

关键词： Brassinosteroids; Hydrogen peroxide; Low temperature; Lycopersicon esculentum; Proteomics; 2-DE

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2019 年 289 卷

页码：

收录情况： SCI

摘要： The aim of current investigation was to perform proteomics and physio-chemical studies to dissect the changes in contrasting varieties (S-22 and PKM-1) of Lycopersicon esculentum under low-temperature stress. Plant grown under variable low-temperature stress were analysed for their growth biomarkers, antioxidant enzyme activities, and other physiological parameters, which headed toward the determination of protein species responding to low-temperature and 24-epibrassinolide (EBL) concentrations. The plants grown under temperatures, 20/14, 12/7, and 10/3 degrees C recorded significantly lower growth biomarkers, SPAD chlorophyll, net photosynthetic rate and carbonic anhydrase activity in S-22 and PKM-1. Moreover, the combined effect of EBL and hydrogen peroxide (H2O2) significantly improved the parameters mentioned above and consecutively upgraded the different antioxidant enzymes (CAT and SOD) with higher accumulation of proline under stress and stress-free environments. Furthermore, proteomics study revealed that the maximum number of differentially expressed proteins were detected in S-22 (EBL + H2O2); while treatment with EBL + H2O2 + low temperature lost expression of 20 proteins. Overall, three proteins (080577, Q9FJQ8, and Q9SKL2) took a substantial part in the biosynthesis of citrate cycle pathway and enhanced the growth and photosynthetic efficiency of tomato plants under low-temperature stress.

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