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Comparative Proteomic Analysis of the Thermotolerant Plant Portulaca oleracea Acclimation to Combined High Temperature and Humidity Stress
Yang, Yunqiang1,2; Chen, Jinhui3; Liu, Qi4; Ben, Cecile5; Todd, Christopher D.6; Shi, Jisen3; Yang, Yongping1; Hu, Xiangyang1
2012-07-01
发表期刊JOURNAL OF PROTEOME RESEARCH
ISSN1535-3893
卷号11期号:7页码:3605-3623
摘要Elevated temperature and humidity are major environmental factors limiting crop yield and distribution. An understanding of the mechanisms underlying plant tolerance to high temperature and humidity may facilitate the development of cultivars adaptable to warm or humid regions. Under conditions of 90% humidity and 35 degrees C, the thermotolerant plant Portulaca oleracea exhibits excellent photosynthetic capability and relatively little oxidative damage. To determine the proteomic response that occurs in leaves of P. oleracea following exposure to high temperature and high humidity, a proteomic approach was performed to identify protein changes. A total of 51 differentially expressed proteins were detected and characterized functionally and structurally; these identified proteins were involved in various functional categories, mainly including material and energy metabolism, the antioxidant defense responses, protein destination and storage, and transcriptional defense-related proteins demonstrated marked increases in activity with exposure to heat and humidity, which led to lower accumulations of H2O2 and O-2(-) in P. oleracea compared with the thermosensitive plant Arabidopsis thaliana. The quickly accumulations of proline content and heat-shock proteins, and depleting abscisic acid (ABA) via increasing ABA-8'-hydroxylase were also found in P. oleracea under stress conditions, that resulted into greater stomata conductance and respiration rates. On the basis of these findings, we propose that P. oleracea employs multiple strategies to enhance its adaptation to high-temperature and high-humidity conditions.
关键词Aba High Temperature High Humidity Portulaca Oleracea Ros
资助信息Chinese Academy of Sciences; National Science Foundation of China[30871704, 30971452, 31170256]; Major State Basic Research Development Program[2010CB951704]; French Ministry of Foreign and European Affairs (MAEE); Natural Science Foundation of Jiangsu University[09KJA220001]
学科领域Biochemical Research Methods
DOI10.1021/pr300027a
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology
WOS类目Biochemical Research Methods
WOS记录号WOS:000306049800009
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被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/15119
专题中国科学院青藏高原研究所昆明部
作者单位1.Chinese Acad Sci, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Inst Tibet Plateau Res, Kunming 650204, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Nanjing Forestry Univ, Key Lab Forest Genet & Biotechnol, Nanjing 210037, Jiangsu, Peoples R China
4.Wenzhou Med Coll, Inst Genom Med, Wenzhou 325035, Peoples R China
5.Univ Toulouse, EcoLab, F-31326 Castanet Tolosan, France
6.Univ Saskatchewan, Dept Biol, Saskatoon, SK S7N 5E2, Canada
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Yang, Yunqiang,Chen, Jinhui,Liu, Qi,et al. Comparative Proteomic Analysis of the Thermotolerant Plant Portulaca oleracea Acclimation to Combined High Temperature and Humidity Stress[J]. JOURNAL OF PROTEOME RESEARCH,2012,11(7):3605-3623.
APA Yang, Yunqiang.,Chen, Jinhui.,Liu, Qi.,Ben, Cecile.,Todd, Christopher D..,...&Hu, Xiangyang.(2012).Comparative Proteomic Analysis of the Thermotolerant Plant Portulaca oleracea Acclimation to Combined High Temperature and Humidity Stress.JOURNAL OF PROTEOME RESEARCH,11(7),3605-3623.
MLA Yang, Yunqiang,et al."Comparative Proteomic Analysis of the Thermotolerant Plant Portulaca oleracea Acclimation to Combined High Temperature and Humidity Stress".JOURNAL OF PROTEOME RESEARCH 11.7(2012):3605-3623.
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