Vulnerability of photosynthesis and photosystem I in Jerusalem artichoke (Helianthus tuberosus L.) exposed to waterlogging
Yan, Kun1; Zhao, Shijie2; Cui, Mingxing3; Han, Guangxuan1; Wen, Pei1
2018-04-01
发表期刊PLANT PHYSIOLOGY AND BIOCHEMISTRY
ISSN0981-9428
卷号125页码:239-246
摘要Jerusalem artichoke (Helianthus tuberosus L.) is an important energy crop for utilizing coastal marginal land. This study was to investigate waterlogging tolerance of Jerusalem artichoke through photosynthetic diagnose with emphasis on photosystem II (PSII) and photosystem I (PSI) performance. Potted plants were subjected to severe (liquid level 5 cm above vermiculite surface) and moderate (liquid level 5 cm below vermiculite surface) waterlogging for 9 days. Large decreased photosynthetic rate suggested photosynthesis vulnerability upon waterlogging. After 7 days of severe waterlogging, PSII and PSI photoinhibition arose, indicated by significant decrease in the maximal photochemical efficiency of PSII (Fv/Fm) and PSI (Delta MR/MR0), and PSI seemed more vulnerable because of greater decrease in Delta MR/MR0 than Fv/Fm. In line with decreased Delta MR/MR0 and unchanged Fv/Fm after 9 days of moderate waterlogging, the amount of PSI reaction center protein rather than PSII reaction center protein was lowered, confirming greater PSI vulnerability. According to positive correlation between Delta MR/MR0 and efficiency that an electron moves beyond primary quinone and negative correlation between Delta MR/MR0 and PSII excitation pressure, PSI inactivation elevated PSII excitation pressure by depressing electron transport at PSII acceptor side. Thus, PSI vulnerability induced PSII photoinhibition and endangered the stability of whole photosynthetic apparatus under waterlogging. In agreement with photosystems photoinhibition, elevated H2O2 concentration and lipid peroxidation in the leaves corroborated waterlogging induced oxidative stress. In conclusion, Jerusalem artichoke is a waterlogging sensitive species in terms of photosynthesis and PSI vulnerability. Consistently, tuber yield was tremendously reduced by waterlogging, confirming waterlogging sensitivity of Jerusalem artichoke.
关键词Immunoblot Analysis Photoinhibition Reactive Oxygen Species Stomatal Limitation Tuber Yield
DOI10.1016/j.plaphy.2018.02.017
项目资助者Shandong Provincial Natural Science Foundation, China(ZR2017QC005) ; Key Research Program of Chinese Academy of Sciences(KFZD-SW-112) ; Science and Technology Service Network Initiative of Chinese Academy of Sciences(KFJ-EW-STS-127) ; Opening Foundation of the State Key Lab of Crop Biology, Shandong Agricultural University(2016KF07) ; Yantai Science and Technology Planning Project(2015ZH069)
收录类别SCI
关键词[WOS]CHLOROPHYLL-A FLUORESCENCE ; LONICERA-JAPONICA-THUNB. ; GAS-EXCHANGE ; SALT STRESS ; BIOCHEMICAL RESPONSES ; PSI PHOTOINHIBITION ; ELECTRON-TRANSPORT ; GROWTH-STAGES ; PEA LEAVES ; RISE OJIP
文章类型Article
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000428832200026
出版者ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
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文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/24037
专题中科院海岸带环境过程与生态修复重点实验室
通讯作者Yan, Kun; Han, Guangxuan
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Processes & Ecol Remedia, Yantai, Peoples R China
2.Shandong Agr Univ, State Key Lab Crop Biol, Tai An, Shandong, Peoples R China
3.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun, Jilin, Peoples R China
第一作者单位中国科学院烟台海岸带研究所
通讯作者单位中国科学院烟台海岸带研究所
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Yan, Kun,Zhao, Shijie,Cui, Mingxing,et al. Vulnerability of photosynthesis and photosystem I in Jerusalem artichoke (Helianthus tuberosus L.) exposed to waterlogging[J]. PLANT PHYSIOLOGY AND BIOCHEMISTRY,2018,125:239-246.
APA Yan, Kun,Zhao, Shijie,Cui, Mingxing,Han, Guangxuan,&Wen, Pei.(2018).Vulnerability of photosynthesis and photosystem I in Jerusalem artichoke (Helianthus tuberosus L.) exposed to waterlogging.PLANT PHYSIOLOGY AND BIOCHEMISTRY,125,239-246.
MLA Yan, Kun,et al."Vulnerability of photosynthesis and photosystem I in Jerusalem artichoke (Helianthus tuberosus L.) exposed to waterlogging".PLANT PHYSIOLOGY AND BIOCHEMISTRY 125(2018):239-246.
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