Structural adaptation of the plant protease Deg1 to repair photosystem II during light exposure

被引：79

作者：

Kley, Juliane ^{[2
]}

Schmidt, Bastian ^{[2
]}

Boyanov, Boril ^{[2
]}

Stolt-Bergner, Peggy C. ^{[2
]}

Kirk, Rebecca ^{[2
]}

Ehrmann, Michael ^{[3
]}

Knopf, Ronit R. ^{[1
]}

Naveh, Leah ^{[1
]}

Adam, Zach ^{[1
]}

Clausen, Tim ^{[2
]}

机构：

[1] Hebrew Univ Jerusalem, Robert H Smith Inst Plant Sci & Genet Agr, IL-76100 Rehovot, Israel

[2] Res Inst Mol Pathol, A-1030 Vienna, Austria

[3] Univ Duisburg Essen, Fac Biol, Ctr Med Biotechnol, Essen, Germany

来源：

NATURE STRUCTURAL & MOLECULAR BIOLOGY | 2011年 / 18卷 / 06期

基金：

以色列科学基金会;

关键词：

FTSH PROTEASE; HTRA PROTEASES; D1; PROTEIN; ARABIDOPSIS; PHOTOINHIBITION; PHOTOSYNTHESIS; MECHANISM; TURNOVER; HOMOLOG; STRESS;

D O I：

10.1038/nsmb.2055

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Deg1 is a chloroplastic protease involved in maintaining the photosynthetic machinery. Structural and biochemical analyses reveal that the inactive Deg1 monomer is transformed into the proteolytically active hexamer at acidic pH. The change in pH is sensed by His244, which upon protonation, repositions a specific helix to trigger oligomerization. This system ensures selective activation of Deg1 during daylight, when acidification of the thylakoid lumen occurs and photosynthetic proteins are damaged.

引用

页码：728 / 731

页数：4

共 46 条

[1] Structural adaptation of the plant protease Deg1 to repair photosystem II during light exposure
Juliane Kley
Bastian Schmidt
Boril Boyanov
Peggy C Stolt-Bergner
Rebecca Kirk
Michael Ehrmann
Ronit R Knopf
Leah Naveh
Zach Adam
Tim Clausen
Nature Structural & Molecular Biology, 2011, 18 : 728 - 731
[2] The thylakoid lumen protease Deg1 is involved in the repair of photosystem II from photoinhibition in Arabidopsis
Kapri-Pardes, Einat
Naveh, Leah
Adam, Zach
PLANT CELL, 2007, 19 (03): : 1039 - 1047
[3] The thylakoid protease Deg1 is involved in photosystem-II assembly in Arabidopsis thaliana
Sun, Xuwu
Ouyang, Min
Guo, Jinkui
Ma, Jinfang
Lu, Congming
Adam, Zach
Zhang, Lixin
PLANT JOURNAL, 2010, 62 (02): : 240 - 249
[4] Deg1 is involved in the degradation of the PsbO oxygen-evolving protein of photosystem II in Arabidopsis
Li Jin
Sun XuWu
Zhang LiXin
CHINESE SCIENCE BULLETIN, 2010, 55 (27-28): : 3145 - 3148
[5] The Stromal Chloroplast Deg7 Protease Participates in the Repair of Photosystem II after Photoinhibition in Arabidopsis
Sun, Xuwu
Fu, Tingjiao
Chen, Ning
Guo, Jinkui
Ma, Jinfang
Zou, Meijuan
Lu, Congming
Zhang, Lixin
PLANT PHYSIOLOGY, 2010, 152 (03) : 1263 - 1273
[6] The interaction of visible and UV-B light during photodamage and repair of Photosystem II
Cosmin Sicora
Zoltán Máté
Imre Vass
Photosynthesis Research, 2003, 75 : 127 - 137
[7] The interaction of visible and UV-B light during photodamage and repair of Photosystem II
Sicora, C
Máté, Z
Vass, I
PHOTOSYNTHESIS RESEARCH, 2003, 75 (02) : 127 - 137
[8] Photoinactivation of Photosystem II by cumulative exposure to short light pulses during the induction period of photosynthesis
Shen, YK
Chow, WS
Park, YI
Anderson, JM
PHOTOSYNTHESIS RESEARCH, 1996, 47 (01) : 51 - 59
[9] The Deg proteases protect Synechocystis sp PCC 6803 during heat and light stresses but are not essential for removal of damaged D1 protein during the photosystem two repair cycle
Barker, Myles
de Vries, Remco
Nield, Jon
Komenda, Josef
Nixon, Peter J.
JOURNAL OF BIOLOGICAL CHEMISTRY, 2006, 281 (41) : 30347 - 30355
[10] The thylakoid protease Deg2 is involved in stress-related degradation of the photosystem II light-harvesting protein Lhcb6 in Arabidopsis thaliana
Lucinski, Robert
Misztal, Lucyna
Samardakiewicz, Slawomir
Jackowski, Grzegorz
NEW PHYTOLOGIST, 2011, 192 (01) : 74 - 86

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