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| Estimation of the steady-state cyclic electron flux around PSI in spinach leaf discs in white light, CO2-enriched air and other varied conditions | |
| Kou, Jiancun; Takahashi, Shunichi; Oguchi, Riichi; Fan, Da-Yong; Badger, Murray R.; Chow, Wah Soon1 | |
| 2013 | |
| Source Publication | FUNCTIONAL PLANT BIOLOGY
 |
| ISSN | 1445-4408 |
| Volume | 40Issue:10Pages:1018-1028 |
| Abstract | Cyclic electron flux (CEF) around PSI is essential for efficient photosynthesis and aids photoprotection, especially in stressful conditions, but the difficulty in quantifying CEF is non-trivial. The total electron flux through PSI (ETR1) and the linear electron flux (LEFO2) through both photosystems in spinach leaf discs were estimated from the photochemical yield of PSI and the gross oxygen evolution rate, respectively, in CO2-enriched air. Delta Flux = ETR1 - LEFO2 is an upper estimate of CEF. Infiltration of leaf discs with 150 mu M antimycin A did not affect LEFO2, but decreased DFlux 10-fold. Delta Flux was practically negligible below 350 mu mol photons m(-2) s(-1), but increased linearly above it. The following results were obtained at 980 mmol photons m(-2) s(-1). Delta Flux increased 3-fold as the temperature increased from 5 degrees C to 40 degrees C. It did not decline at high temperature, even when LEFO2 decreased. Delta Flux increased by 80% as the relative water content of leaf discs decreased from 100 to 40%, when LEFO2 decreased 2-fold. The method of using Delta Flux as a non-intrusive upper estimate of steady-state CEF in leaf tissue appears reasonable when photorespiration is suppressed. |
| Keyword | antimycin A cyclic electron flow linear electron flow P700 photosystem I |
| Subject Area | Plant Sciences |
| DOI | 10.1071/FP13010 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | WATER-WATER CYCLE ; PHOTOSYSTEM-I ; CHLOROPHYLL FLUORESCENCE ; QUANTUM YIELD ; C-3 PLANTS ; TEMPERATURE-DEPENDENCE ; REDOX STATE ; TRANSPORT ; FLOW ; LEAVES |
| WOS Research Area | Science Citation Index Expanded (SCI-EXPANDED) |
| WOS ID | WOS:000324338000005 |
| Publisher | CSIRO PUBLISHING |
| Subtype | Article |
| Publication Place | COLLINGWOOD |
| Funding Organization | China Scholarship Council Fellowship(China Scholarship Council) ; JSPS Postdoctoral Fellowship for Research Abroad(Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)Japan Society for the Promotion of Science) ; Knowledge Innovation Program of the Chinese Academy of Sciences(Chinese Academy of SciencesKnowledge Innovation Program of the Chinese Academy of Sciences) ; Australian Research Council(Australian Research Council) ; Grants-in-Aid for Scientific Research(Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)Japan Society for the Promotion of ScienceGrants-in-Aid for Scientific Research (KAKENHI)) |
| Corresponding Author Email | Badger, Murray R/C-8153-2009 ; Oguchi, Riichi/A-4685-2011 ; Chow, Wah Soon/D-2010-2009 ; Takahashi, Shunichi/F-6883-2010 |
| OA | Green Submitted |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ibcas.ac.cn/handle/2S10CLM1/28189 |
| Collection | 植被与环境变化国家重点实验室 |
| Affiliation | 1.Northwest A&F Univ, Coll Anim Sci & Technol, Yangling 712100, Shaanxi, Peoples R China 2.Australian Natl Univ, Div Plant Sci, Res Sch Biol, Coll Med Biol & Environm, Canberra, ACT 0200, Australia 3.Chinese Acad Sci, State Key Lab Vegetat & Environm Change, Inst Bot, Beijing 100093, Peoples R China |
| Recommended Citation GB/T 7714 | Kou, Jiancun,Takahashi, Shunichi,Oguchi, Riichi,et al. Estimation of the steady-state cyclic electron flux around PSI in spinach leaf discs in white light, CO2-enriched air and other varied conditions[J]. FUNCTIONAL PLANT BIOLOGY,2013,40(10):1018-1028. |
| APA | Kou, Jiancun,Takahashi, Shunichi,Oguchi, Riichi,Fan, Da-Yong,Badger, Murray R.,&Chow, Wah Soon.(2013).Estimation of the steady-state cyclic electron flux around PSI in spinach leaf discs in white light, CO2-enriched air and other varied conditions.FUNCTIONAL PLANT BIOLOGY,40(10),1018-1028. |
| MLA | Kou, Jiancun,et al."Estimation of the steady-state cyclic electron flux around PSI in spinach leaf discs in white light, CO2-enriched air and other varied conditions".FUNCTIONAL PLANT BIOLOGY 40.10(2013):1018-1028. |
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| Applet_2023-04-10_40（644KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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