Photosynthesis in Higher Plants


Oxygenic photosynthesis is a key biochemical process that sustains the life on our planet by providing the biosphere with oxygen and sugars. Photosynthesis takes place by the coordinated activity of different photosynthetic protein complexes. Among them, Photosystem II (PSII) plays a pivotal role. PSII is a membrane protein complex that occurs under different oligomeric states in thylakoid membranes. In our studies, we isolated PSII from Nicotiana tabacum to characterise its oligomeric states in order to identify functional and structural differences.

For details, please see:

Haniewicz P, Floris D, Farci D, Kirkpatrick J, Loi MC, Büchel C, Bochtler M, Piano D. Isolation of plant Photosystem II complexes by fractional solubilisation. Frontiers in Plant Sciences, Plant Cell Biology journal, research topic Assembly of the Photosystem II Membrane-Protein Complex of Oxygenic Photosynthesis, Front Plant Sci. 2015, 6:1100. doi: 10.3389/fpls.2015.01100

Haniewicz P, De Sanctis D, Büchel C, Schröder WP, Loi MC, Kieselbach T, Bochtler M, Piano D. Isolation of monomeric photosystem II that retains the subunit PsbS. Photosynth Res 2013, 118(3): 199-207. doi: 10.1007/s11120-013-9914-2.

Piano D, El Alaoui S, Korza HJ, Filipek R, Sabala I, Haniewicz P, Büchel C, De Sanctis D, Bochtler M. Crystallization of the Photosystem II core complex and its chlorophyll binding subunit CP43 from a transplastomic strain of Nicotiana tabacum. Photosynth. Res. 2010, 106 (3):221-6. doi: 10.1007/s11120-010-9597-x.

Fey H, Piano D, Horn R, Fischer D, Schmidt M, Ruf S, Schröder WP, Bock P, Büchel C. Isolation of highly active photosystem II core complexes with a His-tagged Cyt b559 subunit from transplastomic tobacco plants. Biochim. Biophys. Acta – Bioenergetics 2008, 1777(12):1501-9. doi: 10.1016/j.bbabio.2008.09.012.

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