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[衣藻光系统失活突变体叶绿素的光谱形式]

[Spectral forms of the chlorophyll of mutants of Chlamydomonas with inactive photosystems].

作者信息

Ladygin V G

出版信息

Biofizika. 1979 Mar-Apr;24(2):254-9.

PMID:444602
Abstract

Investigations of non-photosinthesizing mutants of Chlamydomonas reinhardii with damaged activity of both or one of the photosystems have shown that the chlorophyll a form with the absorption maximum at 685 nm and low temperature fluorescence band at 696 nm is a part of the pigment-protein complex of PS-2. Chlorophyll a forms with absorption maxima at 689, 698 and 703 nm belong to the pigment-protein complex of PS-1. They seem to be responsible for the long-wave band of chlorophyll fluorescence with the maximum at 707--718 nm. Chlorophyll a forms with absorption at 661, 667 and 678 nm and a short-wave fluorescence band at 685--690 nm rank among the pigments of the light-converging complex, as well as chlorophyll b with the absorption maximum at 644 and 649 nm.

摘要

对莱茵衣藻非光合突变体的研究表明,当两个光系统之一或两者的活性受损时,在685nm处具有最大吸收且在696nm处具有低温荧光带的叶绿素a形式是PS - 2色素 - 蛋白复合体的一部分。在689、698和703nm处具有最大吸收的叶绿素a形式属于PS - 1色素 - 蛋白复合体。它们似乎是导致叶绿素荧光长波带在707 - 718nm处达到最大值的原因。在661、667和678nm处有吸收且在685 - 690nm处有短波荧光带的叶绿素a形式,以及在644和649nm处具有最大吸收的叶绿素b,都属于聚光复合体的色素。

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