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Gene Review:

psaB - PSI P700 apoprotein A2

Arabidopsis thaliana

Yi, X. et al., Wormuth, D. et al., Amann, K. et al.

Wormuth, Baier, Kandlbinder, Scheibe, Hartung, Dietz,

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High impact information on psaB

In vivo labeling experiments and analyses of polysome association suggest that translational elongation of the PSI transcripts psaA and psaB is specifically arrested in the mutant [1].
The control proteins ribulose bisphosphate carboxylase and cytochrome f were not affected by the loss of the manganese-stabilizing proteins; the photosystem I PsaB protein, however, was significantly reduced in the low expressing transgenic plants [2].

Other interactions of psaB

Especially for psaA and psaB, the complex analysis demonstrated that the assumed PQ-dependent redox control is subordinate to signals linked to the relative availability of 3-PGA and DHAP, which define the assimilatory force [3].

References

ACCUMULATION OF PHOTOSYSTEM ONE1, a member of a novel gene family, is required for accumulation of [4Fe-4S] cluster-containing chloroplast complexes and antenna proteins. Amann, K., Lezhneva, L., Wanner, G., Herrmann, R.G., Meurer, J. Plant Cell (2004) [Pubmed]
The manganese-stabilizing protein is required for photosystem II assembly/stability and photoautotrophy in higher plants. Yi, X., McChargue, M., Laborde, S., Frankel, L.K., Bricker, T.M. J. Biol. Chem. (2005) [Pubmed]
Regulation of gene expression by photosynthetic signals triggered through modified CO2 availability. Wormuth, D., Baier, M., Kandlbinder, A., Scheibe, R., Hartung, W., Dietz, K.J. BMC Plant Biol. (2006) [Pubmed]

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