A light-harvesting siphonaxanthin-chlorophyll a/b-protein complex of marine green alga, Bryopsis corticulans

CORC > 西安光学精密机械研究所 > 中国科学院西安光学精密机械研究所 > 瞬态光学技术国家重点实验室

	A light-harvesting siphonaxanthin-chlorophyll a/b-protein complex of marine green alga, Bryopsis corticulans
	Chen, H ; Shen, SH ; He, JF ; Leng, J ; Li, LB ; Kuang, TY
刊名	chinese science bulletin
	2004-09-01
卷号	49 期号:18 页码:1936-1941
关键词	chlorophyll-protein complex siphonaxanthin liquid chromatography Bryopsis corticulans
英文摘要	a light-harvesting chlorophyll a/b-protein complex (lhcp) was isolated directly from thylakoid membranes of marine green alga, bryopsis corticulans, by two consecutive runs of liquid chromatography. the trimeric form of the light-harvesting complex has been obtained, by sucrose gradient ultracentrifugation. the result of sds-page shows that the light-harvesting complex is composed of at least five apoproteins in which a protein with apparent molecular weight of about 31 kd was never found in the major light-harvesting complex (lhc ii) from higher plants. the isolated bryopsis corticulans light-harvesting complex contains a specific carotenoid, siphonaxanthin, as well as chlorophyll (chi) a, chi b, neoxanthin and violaxanthin. siphonaxanthin which is present in the light-harvesting siphonaxanthin-chlorophyll a/b-protein complex of bryopsis corticulans is responsible for enhanced absorption in the blue-green region (530 nm). efficient energy transfer from both siphonaxanthin and chi b to chi a in bryopsis corticulans lhcp, which has similar absorption and fluorescence emission spectra to those of the lutein-chlorophyll a/b-protein of higher plants, proved that molecular arrangement of the light-harvesting pigments was highly ordered in the bryopsis corticulans lhcp. the siphonaxanthin-chlorophyll a/b-proteins allow enhanced absorption of blue-green light, the predominant light available in deep ocean waters or shaded subtidal marine habitats.
WOS标题词	science & technology
类目[WOS]	multidisciplinary sciences
研究领域[WOS]	science & technology - other topics
关键词[WOS]	photosystem-ii ; binding-proteins ; energy-transfer ; carotenoids ; excitation ; resolution ; crystals ; pigments
收录类别	SCI
语种	英语
WOS记录号	WOS:000225416200009
公开日期	2015-11-17
内容类型	期刊论文
源URL	[http://ir.opt.ac.cn/handle/181661/25468]
专题	西安光学精密机械研究所_瞬态光学技术国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, Key Lab Photosynth & Environm Mol Physiol, Beijing 100093, Peoples R China 2.Chinese Acad Sci, Xian Inst Opt & Mech, State Key Lab Transient Opt & Technol, Xian 710068, Peoples R China
推荐引用方式 GB/T 7714	Chen, H,Shen, SH,He, JF,et al. A light-harvesting siphonaxanthin-chlorophyll a/b-protein complex of marine green alga, Bryopsis corticulans[J]. chinese science bulletin,2004,49(18):1936-1941.
APA	Chen, H,Shen, SH,He, JF,Leng, J,Li, LB,&Kuang, TY.(2004).A light-harvesting siphonaxanthin-chlorophyll a/b-protein complex of marine green alga, Bryopsis corticulans.chinese science bulletin,49(18),1936-1941.
MLA	Chen, H,et al."A light-harvesting siphonaxanthin-chlorophyll a/b-protein complex of marine green alga, Bryopsis corticulans".chinese science bulletin 49.18(2004):1936-1941.