红藻藻胆体的结构及关键色素分析

doi:10.3969/j.issn.0253-9608.2021.03.003

摘要/Abstract

摘要： 藻胆体是红藻和蓝藻中的大型水溶性捕光复合体，能吸收较宽范围波长的可见光，能量传递效率高于95%。目前解析的高分辨率藻胆体来自红藻Griffithsia pacifica(太平洋凋毛藻)和Porphyridium purpureum(紫球藻)，在这两个物种中获得了藻胆体完整的蛋白结构，确定了所有连接蛋白的结构和分布，并且在Porphyridium purpureum藻胆体的结构中发现连接蛋白具有调节藻胆蛋白色素能量状态的作用。文章将针对藻胆体的整体结构和关键色素的微环境进行分析。

关键词: 藻胆体, 连接蛋白, 色素, 能量传递, 光合作用

Abstract: Phycobilisomes are large water-soluble light-harvesting complexes in red algae and cyanobacteria, with the energy transfer efficiency higher than 95%. The high-resolution structures of phycobilisomes resolved so far are from the red algae Griffithsia pacifica and Porphyridium purpureum, providing important information of the overall structures of the phycobilisomes, especially the structures and functions of linker proteins. Furthermore, linker proteins regulate the energy state of chromophores in Porphyridium purpureum phycobilisome. In this review, we analyze the overall structures of red algal phycobilisomes and the microenvironments of key chromophores.

肖亚男, 马建飞, 游鑫, 隋森芳. 红藻藻胆体的结构及关键色素分析[J]. 自然杂志, 2021, 43(3): 176-188.

XIAO Yanan, MA Jianfei, YOU Xin, SUI Senfang. Structures and key bilins of red algal phycobilisomes[J]. Chinese Journal of Nature, 2021, 43(3): 176-188.

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链接本文: https://www.nature.shu.edu.cn/CN/10.3969/j.issn.0253-9608.2021.03.003

https://www.nature.shu.edu.cn/CN/Y2021/V43/I3/176

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红藻藻胆体的结构及关键色素分析

Structures and key bilins of red algal phycobilisomes

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