将类胡萝卜素重新构建到来自球形红假单胞菌R26类胡萝卜素缺失突变体的捕光色素 - 蛋白质复合物中。
Reconstitution of carotenoids into the light-harvesting pigment-protein complex from the carotenoidless mutant of Rhodopseudomonas as sphaeroides R26.
作者信息
Davidson E, Cogdell R J
出版信息
Biochim Biophys Acta. 1981 Apr 13;635(2):295-303. doi: 10.1016/0005-2728(81)90028-1.
PMID:6972228
Abstract
Two carotenoids, neurosporene and spheroidene, have been successfully added to chromatophores from the carotenoidless mutant of Rhodopseudomonas sphaeroides R26. Carotenoids reconstituted in this way into the B-850 light-harvesting pigment-protein complex both sensitive bacteriochlorophyll fluorescence and protect the complex from the photodynamic reaction.
摘要
两种类胡萝卜素，即八氢番茄红素和球形烯，已成功添加到球形红假单胞菌R26类胡萝卜素缺陷型突变体的色素小体中。以这种方式重建到B - 850捕光色素 - 蛋白复合物中的类胡萝卜素既能使细菌叶绿素荧光敏感，又能保护该复合物免受光动力反应的影响。
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