Light quality-induced changes of carotenoid composition in pak choi Brassica rapa ssp. chinensis

Publication date: Available online 13 February 2019Source: Journal of Photochemistry and Photobiology B: BiologyAuthor(s): Katja Frede, Monika Schreiner, Susanne BaldermannAbstractCarotenoids as part of the photosystems are crucial for their assembly, light-harvesting, and photoprotection. Light of different wavelengths impacts the composition and structure of photosystems, thus offering the possibility to influence the carotenoid concentrations and composition in photosystems by illumination with specific narrow-banded light spectra. Key components involved in the regulation of gene transcription are still poorly characterized, particularly in leafy vegetables as compared to model plants. In particular, the effect of different light qualities and its connection to redox control mechanisms...

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