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Characterisation of the PsbX protein from Photosystem II and light regulation of its gene expression in higher plants
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1999 (English)In: Plant Molecular Biology, ISSN 0167-4412, E-ISSN 1573-5028, Vol. 40, no 4, 737-744 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
1999. Vol. 40, no 4, 737-744 p.
Keyword [en]
4.1 kDa protein, Arabidopsis thaliana, low-molecular-mass proteins, photosystem II, PsbX, spinach
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:sh:diva-22308DOI: 10.1023/A:1006286706708ISI: 000081950000019ScopusID: 2-s2.0-0033167446OAI: oai:DiVA.org:sh-22308DiVA: diva2:697586
Available from: 2014-02-18 Created: 2014-02-18 Last updated: 2014-02-18Bibliographically approved

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Marchant, ASchröder, Wolfgang P
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Avdelning Naturvetenskap
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