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叶绿素 a/c 型光合作用天线中的色素计量。

The pigment stoichiometry in a chlorophyll a/c type photosynthetic antenna.

机构信息

The OCU Advanced Research Institute for Natural Science and Technology (OCARINA), 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka, 558-8585, Japan.

出版信息

Photosynth Res. 2012 Mar;111(1-2):165-72. doi: 10.1007/s11120-011-9698-1. Epub 2011 Oct 14.

DOI:10.1007/s11120-011-9698-1
PMID:21997123
Abstract

The trimeric fucoxanthin-chlorophyll a/c protein (FCP) was purified from a Japanese brown alga, Cladosiphon okamuranus TOKIDA. Its pigment stoichiometry was determined to be chlorophyll (Chl) a:Chl c (1):Chl c (2):fucoxanthin = 4.6:1.1:1.0:5.5 by a combination of binary HPLC and (1)H NMR spectroscopy. No violaxanthin found bound to the FCP. The ratio of Chl c/Chl a in this FCP is amongst the highest so far reported.

摘要

从日本产的一种褐藻——Okamuras 线羽藻（Cladosiphon okamuranus TOKIDA）中纯化得到了三聚体的岩藻黄素-叶绿素 a/c 复合蛋白（FCP）。通过二元 HPLC 和（1）H NMR 光谱的组合，确定了其色素的化学计量比为叶绿素 a：叶绿素 c（1）：叶绿素 c（2）：岩藻黄素=4.6:1.1:1.0:5.5。没有发现结合在 FCP 上的玉米黄质。该 FCP 中的叶绿素 c/叶绿素 a 比值是迄今为止报道的最高值之一。

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