A new function for the xanthophyll zeaxanthin: glueing chlorophyll biosynthesis to thylakoid protein assembly | Zendy

Roberto Bassi | Zendy

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A new function for the xanthophyll zeaxanthin: glueing chlorophyll biosynthesis to thylakoid protein assembly

Author(s) -

Roberto Bassi

Publication year - 2021

Publication title -

biochemical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.706

H-Index - 265

eISSN - 1470-8728

pISSN - 0264-6021

DOI - 10.1042/bcj20200803

Subject(s) - thylakoid , zeaxanthin , photoprotection , xanthophyll , photosynthesis , biochemistry , chloroplast , biosynthesis , lutein , chlorophyll , biology , botany , chemistry , carotenoid , gene , enzyme

Xanthophylls are coloured isoprenoid metabolites synthesized in many organisms with a variety of functions from the attraction of animals for impollination to absorption of light energy for photosynthesis to photoprotection against photooxidative stress. The finding by Proctor and co-workers makes a new addition to the last type of functions by showing that zeaxanthin is instrumental in coordinating chlorophyll biosynthesis with the insertion of pigment-binding proteins into the photosynthetic membrane by glueing the protein components catalyzing these functions into a supercomplex and regulating its activity.

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