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PMID:20205940

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Citation

Chen, KM, Holmström, M, Raksajit, W, Suorsa, M, Piippo, M and Aro, EM (2010) Small chloroplast-targeted DnaJ proteins are involved in optimization of photosynthetic reactions in Arabidopsis thaliana. BMC Plant Biol. 10:43

Abstract

DnaJ proteins participate in many metabolic pathways through dynamic interactions with various components of these processes. The role of three small chloroplast-targeted DnaJ proteins, AtJ8 (At1 g80920), AtJ11 (At4 g36040) and AtJ20 (At4 g13830), was investigated here using knock-out mutants of Arabidopsis thaliana. Photochemical efficiency, capacity of CO2 assimilation, stabilization of Photosystem (PS) II dimers and supercomplexes under high light illumination, energy distribution between PSI and PSII and phosphorylation of PSII-LHCII proteins, global gene expression profiles and oxidative stress responses of these DnaJ mutants were analyzed.

Links

PubMed PMC2844072 Online version:10.1186/1471-2229-10-43

Keywords

Arabidopsis/genetics; Arabidopsis/metabolism; Arabidopsis Proteins/genetics; Arabidopsis Proteins/metabolism; Carbon Dioxide/metabolism; Chlorophyll/analysis; Chloroplasts/metabolism; DNA, Bacterial/genetics; Gene Expression Profiling; Gene Knockout Techniques; Molecular Chaperones/genetics; Molecular Chaperones/metabolism; Mutagenesis, Insertional; Mutation; Oligonucleotide Array Sequence Analysis; Oxidative Stress; Phosphorylation; Photosynthesis; Photosystem I Protein Complex/metabolism; Photosystem II Protein Complex/metabolism

Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension Notes Status

ARATH:DNJ11

located_in

GO:0005634: nucleus

ECO:0000314: direct assay evidence used in manual assertion

C

Seeded From UniProt

complete

ARATH:DNAJ8

located_in

GO:0005634: nucleus

ECO:0000314: direct assay evidence used in manual assertion

C

Seeded From UniProt

complete

ARATH:DNJ20

located_in

GO:0005634: nucleus

ECO:0000314: direct assay evidence used in manual assertion

C

Seeded From UniProt

complete


See also

References

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