頁籤選單縮合
題 名 | Proteomic Analysis of Broccoli (Brassica oleracea) under High Temperature and Waterlogging Stresses |
---|---|
作 者 | Lin, Hsin-hung; Lin, Kuan-hung; Chen, Su-ching; Shen, Yu-hsing; Lo, Hsiao-feng; | 書刊名 | Botanical Studies |
卷 期 | 56 2015[民104] |
頁 次 | 頁(18)1-(18)11 |
分類號 | 435.233 |
關鍵詞 | Ribulose bisphosphate carboxylase; Broccoli; Heat and waterlogging stresses; Differentially expressed proteins; |
語 文 | 英文(English) |
英文摘要 | Background: The production of broccoli (Brassica oleracea) is largely reduced by waterlogging and high temperature stresses. Heat-tolerant and heat-susceptible broccoli cultivars TSS-AVRDC-2 and B-75, respectively, were used for physiological and proteomic analyses. The objective of this study was to identify TSS-AVRDC-2 and B-75 proteins differentially regulated at different time periods in response to waterlogging at 40 °C for three days. Results: TSS-AVRDC-2 exhibited significantly higher chlorophyll content, lower stomatal conductance, and better H2O2 scavenging under stress in comparison to B-75. Two-dimensional liquid phase fractionation analyses revealed that Rubisco proteins in both varieties were regulated under stressing treatments, and that TSS-AVRDC-2 had higher levels of both Rubisco large and small subunit transcripts than B-75 when subjected to high temperature and/or waterlogging. Conclusions: This report utilizes physiological and proteomic approaches to discover changes in the protein expression profiles of broccoli in response to heat and waterlogging stresses. Higher levels of Rubisco proteins in TSS-AVRDC-2 could lead to increased carbon fixation efficiency to provide sufficient energy to enable stress tolerance under waterlogging at 40 °C. |
本系統中英文摘要資訊取自各篇刊載內容。