LOW PSII ACCUMULATION1 is involved in efficient assembly of photosystem II in Arabidopsis thaliana

doi:10.1105/tpc.105.037689

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	LOW PSII ACCUMULATION1 is involved in efficient assembly of photosystem II in Arabidopsis thaliana
	Peng, LW; Ma, JF; Chi, W; Guo, JK; Zhu, SY; Lu, QT; Lu, CM; Zhang, LX; Zhang, LX (reprint author), Chinese Acad Sci, Inst Bot, Key Lab Photosynth & Environm Mol Physiol, Photosynth Res Ctr, Beijing 100093, Peoples R China.
	2006-04
Source Publication	PLANT CELL
ISSN	1040-4651
Volume	18 Issue:4 Pages:955-969
Abstract	To gain insight into the processes involved in photosystem II (PSII) biogenesis and maintenance, we characterized the low psii accumulation1 (lpa1) mutant of Arabidopsis thaliana, which generally accumulates lower than wild-type levels of the PSII complex. In vivo protein labeling experiments showed that synthesis of the D1 and D2 proteins was greatly reduced in the lpa1 mutant, while other plastid-encoded proteins were translated at rates similar to the wild type. In addition, turnover rates of the PSII core proteins CP47, CP43, D1, and D2 were higher in lpa1 than in wild-type plants. The newly synthesized PSII proteins were assembled into functional protein complexes, but the assembly was less efficient in the mutant. LPA1 encodes a chloroplast protein that contains two tetratricopeptide repeat domains and is an intrinsic membrane protein but not an integral subunit of PSII. Yeast two-hybrid studies revealed that LPA1 interacts with D1 but not with D2, cytochrome b6, or Alb3. Thus, LPA1 appears to be an integral membrane chaperone that is required for efficient PSII assembly, probably through direct interaction with the PSII reaction center protein D1.
Subject Area	Biochemistry & Molecular Biology ; Plant Sciences ; Cell Biology
Publisher	AMER SOC PLANT BIOLOGISTS
DOI	10.1105/tpc.105.037689
Publication Place	ROCKVILLE
Indexed By	SCIE ; EI
Language	英语
First Inst	否
WOS ID	WOS:000236726200014
Subtype	Article
EI ID	2006279976270
Department	Chinese Acad Sci, Inst Bot, Key Lab Photosynth & Environm Mol Physiol, Photosynth Res Ctr, Beijing 100093, Peoples R China; Lanzhou Univ, Sch Life Sci, Lanzhou 730000, Peoples R China
Citation statistics	Cited Times:184[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	https://ir.lzu.edu.cn/handle/262010/114322
Collection	生命科学学院
Corresponding Author	Zhang, LX (reprint author), Chinese Acad Sci, Inst Bot, Key Lab Photosynth & Environm Mol Physiol, Photosynth Res Ctr, Beijing 100093, Peoples R China.
Recommended Citation GB/T 7714	Peng, LW,Ma, JF,Chi, W,et al. LOW PSII ACCUMULATION1 is involved in efficient assembly of photosystem II in Arabidopsis thaliana[J]. PLANT CELL,2006,18(4):955-969.
APA	Peng, LW.,Ma, JF.,Chi, W.,Guo, JK.,Zhu, SY.,...&Zhang, LX .(2006).LOW PSII ACCUMULATION1 is involved in efficient assembly of photosystem II in Arabidopsis thaliana.PLANT CELL,18(4),955-969.
MLA	Peng, LW,et al."LOW PSII ACCUMULATION1 is involved in efficient assembly of photosystem II in Arabidopsis thaliana".PLANT CELL 18.4(2006):955-969.

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