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Ammonium tolerance in the cyanobacterium Synechocystis sp strain PCC 6803 and the role of the psbA multigene family

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成果类型:
期刊论文
作者:
Dai, Guo-Zheng;Qiu, Bao-Sheng(邱保胜);Forchhammer, Karl*
通讯作者:
Forchhammer, Karl(邱保胜
作者机构:
[Forchhammer, Karl; Dai, Guo-Zheng] Univ Tubingen, Interfac Inst Microbiol & Infect Med, Div Organism Interact, D-72076 Tubingen, Germany.
[Qiu, Bao-Sheng; Dai, Guo-Zheng] Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China.
[Qiu, Bao-Sheng; Dai, Guo-Zheng] Cent China Normal Univ, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430079, Hubei, Peoples R China.
[Forchhammer, Karl] Univ Tubingen, Interfac Inst Microbiol & Infect Med, Div Organism Interact, Morgenstelle 28, D-72076 Tubingen, Germany.
通讯机构:
[Forchhammer, Karl] U
Univ Tubingen, Interfac Inst Microbiol & Infect Med, Div Organism Interact, Morgenstelle 28, D-72076 Tubingen, Germany.
语种:
英文
关键词:
ammonium toxicity;oxygen evolution complex;photoinhibition;photosystem II
期刊:
PLANT CELL AND ENVIRONMENT
ISSN:
0140-7791
年:
2014
卷:
37
期:
4
页码:
840-851
基金类别:
DFG Research Training GroupGerman Research Foundation (DFG) [GRK 1708/1]; National Basic Research ProgramNational Basic Research Program of China [2008CB418004]; China Scholarship CouncilChina Scholarship Council
机构署名:
本校为其他机构
院系归属:
生命科学学院
摘要:
Ammonium is one of the major nutrients for plants, and a ubiquitous intermediate in plant metabolism, but it is also known to be toxic to many organisms, in particular to plants and oxygenic photosynthetic microorganisms. Although previous studies revealed a link between ammonium toxicity and photodamage in cyanobacteria under in vivo conditions, ammonium-induced photodamage of photosystem II (PSII) has not yet been investigated with isolated thylakoid membranes. We show here that ammonium directly accelerated photodamage of PSII in Synechocystis sp. strain PCC6803, rather than affecting the r...

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