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Selective photobleaching of PSI-related chlorophylls in heat-stressed pea chloroplasts by W. Patrick Williams; Arindam Sen; David C. Fork is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Selective photobleaching of PSI-related chlorophylls in heat-stressed pea chloroplasts about?

Measurements of electron transport activity point to the occurrence of major changes in the organisation of the photosynthetic apparatus of heat-stressed chloroplasts. One of the consequences of these changes is shown to be a greatly increased susceptibility of chlorophyll to photobleaching. Despite the fact that the threshold temperature for this photobleaching coincides closely with that for the inhibition of PSII activity, the bleached components were found to be specifically associated with PSI. This increased susceptibility of PSI pigments to photobleaching is shown to be a direct consequence of an interruption of the flow of reductants from PSII to PSI that would normally protect PSI from photooxidation.

Who reads Selective photobleaching of PSI-related chlorophylls in heat-stressed pea chloroplasts?

Author

W. Patrick Williams; Arindam Sen; David C. Fork

Publisher

Springer; Springer-Verlag; Kluwer Academic Publishers; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0166-8595)

Published

1986

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)