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- Shi, L X, et al.
(author)
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Characterisation of the PsbX protein from Photosystem II and light regulation of its gene expression in higher plants
- 1999
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In: Plant Molecular Biology. - 0167-4412 .- 1573-5028. ; 40:4, s. 737-744
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Journal article (peer-reviewed)abstract
- The location and expression of the previously uncharacterised photosystem II subunit PsbX have been analysed in higher plants. We show that this protein is a component of photosystem II (PSII) core particles but absent from light-harvesting complexes or PSII reaction centres. PsbX is, however, localised to the near vicinity of the reaction centre because it can be cross-linked to cytochrome b559, which is known to be associated with the D1/D2 dimer. We also show that the expression of this protein is tightly regulated by light, since neither protein nor mRNA is found in dark-grown plants.
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