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A new function for the xanthophyll zeaxanthin: glueing chlorophyll biosynthesis to thylakoid protein assembly
Biochemical Journal ( IF 4.4 ) Pub Date : 2021-01-15 , DOI: 10.1042/bcj20200803
Roberto Bassi 1
Affiliation  

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.

中文翻译:

叶黄素玉米黄质的新功能:将叶绿素生物合成粘合到类囊体蛋白组装体上

叶黄素是在许多生物体中合成的有色类异戊二烯代谢物,具有多种功能,从吸引动物起泡,吸收光能以进行光合作用到光防护抗光氧化应激。Proctor及其同事的发现通过显示玉米黄质有助于协调叶绿素的生物合成,并通过将催化这些功能的蛋白质成分胶粘到光合作用膜中,从而将色素结合蛋白插入光合膜中,为这一功能提供了新的补充。超复杂并调节其活性。
更新日期:2021-01-08
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