Cyclic electron flow around photosystem I is required for adaptation to high temperature in a subtropical forest tree, Ficus concinna
Cyclic electron flow around photosystem I is required for adaptation to high temperature in a subtropical forest tree, Ficus concinna
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亚热带森林树 Ficus concinna 需要光系统 I 周围的循环电子流来适应高温
DOI:
10.1631/jzus.b0820348
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发表时间:
2009-10
影响因子:
5.1
通讯作者:
Wang, Jun-gang
中科院分区:
文献类型:
--
作者:
Jin, Song-heng;Li, Xue-qin;Hu, Jun-yan;Wang, Jun-gang
Dissipation mechanisms of excess photon energy under high-temperature stress were studied in a subtropical forest tree seedling, Ficus concinna. Net CO2 assimilation rate decreased to 16% of the control after 20 d high-temperature stress, and thus the absorption of photon energy exceeded the energy required for CO2 assimilation. The efficiency of excitation energy capture by open photosystem II (PSII) reaction centres (Fν′/Fm′) at moderate irradiance, photochemical quenching (qP), and the quantum yield of PSII electron transport (ΦPSII) were significantly lower after high-temperature stress. Nevertheless, non-photochemical quenching (qNP) and energy-dependent quenching (qE) were significantly higher under such conditions. The post-irradiation transient of chlorophyll (Chl) fluorescence significantly increased after the turnoff of the actinic light (AL), and this increase was considerably higher in the 39 °C-grown seedlings than in the 30 °C-grown ones. The increased post-irradiation fluorescence points to enhanced cyclic electron transport around PSI under high growth temperature conditions, thus helping to dissipate excess photon energy non-radiatively.
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影响因子:
2.7
作者:
K. Lu;Y. Yang;Y. He;D. Jiang
通讯作者:
K. Lu;Y. Yang;Y. He;D. Jiang
DOI:
10.1562/0031-8655(2000)072
发表时间:
2000-08
期刊:
--
影响因子:
--
作者:
A. Rück;K. Heckelsmiller;R. Kaufmann;N. Grossman;E. Haseroth;N. Akgün
通讯作者:
A. Rück;K. Heckelsmiller;R. Kaufmann;N. Grossman;E. Haseroth;N. Akgün
DOI:
10.1007/978-1-4020-3218-9
发表时间:
2004
期刊:
--
影响因子:
--
作者:
通讯作者:
--
影响因子:
2.8
作者:
T. Shikanai;Y. Munekage;K. Kimura
通讯作者:
T. Shikanai;Y. Munekage;K. Kimura
影响因子:
2.7
作者:
Sheng Jin;Sheng Jin;Dun Wang;F.-Y. Zhu;X. Li;Jian Sun;D. Jiang
通讯作者:
Sheng Jin;Sheng Jin;Dun Wang;F.-Y. Zhu;X. Li;Jian Sun;D. Jiang