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

被引:2
|
作者
Bassi, Roberto [1 ]
机构
[1] Univ Verona, Dept Biotechnol, Str Le Grazie, I-37134 Verona, Italy
关键词
LIGHT-HARVESTING COMPLEXES;
D O I
10.1042/BCJ20200803
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
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.
引用
收藏
页码:61 / 62
页数:2
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