VISUALIZATION OF THE CHROMOSOME SCAFFOLD IN A PRIMITIVE EUKARYOTE DINOFLAGELLATE CRYPTHECOAINIUM-COHNII

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	VISUALIZATION OF THE CHROMOSOME SCAFFOLD IN A PRIMITIVE EUKARYOTE DINOFLAGELLATE CRYPTHECOAINIUM-COHNII
	Cai ST 1; Zhai ZH 1; Zeng CM 2; Li JY 2
	1992
发表期刊	SCIENCE IN CHINA SERIES B-CHEMISTRY
ISSN	1001-652X
卷号	35 期号:8 页码:959-956
摘要	The chromosome scaffolds in higher eukaryotic nuclei have been described elsewhere. But it is unknown when they evolved. The dinoflagellates are the primitive organisms that may be the intermediate between prokaryotes and eukaryotes. Combining chromosome scaffold preparation methods with embedment-free section microscopy, we demonstrate that the dinoflagellate Crypthecodinium cohnii chromosome retains a protein scaffold after the depletion of DNA and soluble proteins. This scaffold preserves the morphology characteristic of the chromosome. Two-dimensional electrophoreses show that the chromosome scaffolds are mainly composed of acidic proteins. Our results suggest that a framework similar to the chromosome scaffold in the mammalian cell appeared in the primitive eukaryote. We propose that the chromosome scaffold possibly originated from the early stages of eukaryote evolution.
关键词	Chromosome Scaffold Chromosome Dinoflagellate Crypthecodinium-cohnii
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收录类别	其他
语种	英语
文献类型	期刊论文
条目标识符	http://ir.kiz.ac.cn/handle/152453/2459
专题	其他
作者单位	1.Department of Biology, Peking Unversity 2.Kunming Institute of Zoology
推荐引用方式 GB/T 7714	Cai ST,Zhai ZH,Zeng CM,et al. VISUALIZATION OF THE CHROMOSOME SCAFFOLD IN A PRIMITIVE EUKARYOTE DINOFLAGELLATE CRYPTHECOAINIUM-COHNII[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,1992,35(8):959-956.
APA	Cai ST,Zhai ZH,Zeng CM,&Li JY.(1992).VISUALIZATION OF THE CHROMOSOME SCAFFOLD IN A PRIMITIVE EUKARYOTE DINOFLAGELLATE CRYPTHECOAINIUM-COHNII.SCIENCE IN CHINA SERIES B-CHEMISTRY,35(8),959-956.
MLA	Cai ST,et al."VISUALIZATION OF THE CHROMOSOME SCAFFOLD IN A PRIMITIVE EUKARYOTE DINOFLAGELLATE CRYPTHECOAINIUM-COHNII".SCIENCE IN CHINA SERIES B-CHEMISTRY 35.8(1992):959-956.

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