Section 7
Chapter 6,916

Wavelength dependent photo phosphorylation catalyzed by photosystem i or photosystem ii in isolated pea pisum sativum cultivar mali provansalac chloroplasts

Plesnicar, M.; Stankovic, Z.

Photosynthetica 13(4): 359-364


ISSN/ISBN: 0300-3604
Accession: 006915124

Photosynthetic activities of Photosystem I (PS I) and Photosystem II (PS II) were studied in isolated pea chloroplasts, as a function of the wavelength and non-saturating radiant flux density. Both photophosphorylation sites were functional under the examined experimental conditions but their contribution to overall ATP synthesis in non-cyclic electron transport from H2O to NADP might be different. The rate of photophosphorylation in isolated chloroplasts at low radiant flux density is determined by the rate of ATP synthesis by non-cyclic electron transport at site 1.

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