scholarly journals Mechanism of REP27 Protein Action in the D1 Protein Turnover and Photosystem II Repair from Photodamage

2009 ◽  
Vol 151 (1) ◽  
pp. 88-99 ◽  
Author(s):  
David Dewez ◽  
Sungsoon Park ◽  
Jose Gines García-Cerdán ◽  
Pia Lindberg ◽  
Anastasios Melis
Keyword(s):  
Photosystem Ii ◽  
Protein Turnover ◽  
D1 Protein ◽  
Photosystem Ii Repair

Synthesis and Assembly of the D1 Protein into Photosystem II:  Processing of the C-Terminus and Identification of the Initial Assembly Partners and Complexes during Photosystem II Repair†

Biochemistry ◽  
1997 ◽  
Vol 36 (20) ◽  
pp. 6178-6186 ◽  
Author(s):  
Klaas J. van Wijk ◽  
Margrit Roobol-Boza ◽  
Reetta Kettunen ◽  
Bertil Andersson ◽  
Eva-Mari Aro
Keyword(s):  
Photosystem Ii ◽  
D1 Protein ◽  
C Terminus ◽  
Photosystem Ii Repair ◽  
Initial Assembly

Two mechanisms of recovery from photoinhibition in vivo: Reactivation of photosystem II related and unrelated to D1-protein turnover

Planta ◽  
1994 ◽  
Vol 194 (1) ◽  
Author(s):  
Joachim Leitsch ◽  
Barbara Schnettger ◽  
Christa Critchley ◽  
G.Heinrich Krause
Keyword(s):  
Photosystem Ii ◽  
Protein Turnover ◽  
D1 Protein

Photoinactivation and recovery of photosystem II in Chenopodium album leaves grown at different levels of irradiance and nitrogen availability

2002 ◽  
Vol 29 (7) ◽  
pp. 787 ◽  
Author(s):  
Masaharu C. Kato ◽  
Kouki Hikosaka ◽  
Tadaki Hirose
Keyword(s):  
Photosystem Ii ◽  
Protein Turnover ◽  
Nitrogen Availability ◽  
Photosynthetic Capacity ◽  
Chenopodium Album ◽  
D1 Protein ◽  
High Light ◽  
High Nitrogen ◽  
Low Light ◽  
Low Nitrogen

Involvement of photosynthetic capacity and D1 protein turnover in the susceptibility of photosystem II (PSII) to photoinhibition was investigated in leaves of Chenopodium album L. grown at different combinations of irradiance and nitrogen availability: low light and high nitrogen (LL-HN); high light and low nitrogen (HL-LN); and high light and high nitrogen (HL-HN). To test the importance of photosynthetic capacity in the susceptibility to photoinhibition, we adjusted growth conditions so that HL-HN plants had the highest photosynthetic capacity, while that of LL-HN and HL-LN plants was lower but similar to each other. Photoinhibition refers here to net inactivation of PSII determined by the balance between gross inactivation (photoinactivation) and concurrent recovery of PSII via D1 protein turnover. Leaves were illuminated both in the presence and absence of lincomycin, an inhibitor of chloroplast-encoded protein synthesis. Susceptibility to photoinhibition was much higher in plants grown in low light (LL-HN) than those grown in high light (HL-HN and HL-LN). Susceptibility to photoinhibition was similar in HL-LN and HL-HN plants, suggesting that higher photosynthetic energy consumption alone did not mitigate photoinhibition. Experiments with and without lincomycin showed that high-light-grown plants had a lower rate of photoinactivation and a higher rate of concurrent recovery, and that these rates were not influenced by nitrogen availability. These results indicate that turnover of D1 protein plays a crucial role in photoprotection in high-light-grown plants, irrespective of nitrogen availability. For low-nitrogen-grown plants, higher light energy dissipation by other mechanisms may have compensated for lower energy utilization by photosynthesis.

scholarly journals Revisiting the photosystem II repair cycle

2016 ◽  
Vol 11 (9) ◽  
pp. e1218587 ◽  
Author(s):  
Jasmine Theis ◽  
Michael Schroda
Keyword(s):  
Photosystem Ii ◽  
Photosystem Ii Repair ◽  
Repair Cycle
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