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Structure and function of plastid nucleoid

Structure and function of plastid nucleoid
质体核的结构和功能
批准号:
11440232
负责人:
SATO Naoki
金额:
$10.11万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
1999
资助国家:
日本
项目状态:
已结题
起止时间:
1999 至 2000

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中文摘要
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英文摘要
Plastid nucleoid, which is a functional unit of plastid DNA, is considered as a complex or hybrid of prokaryotic DNA with eukaryotic DNA-binding proteins. Based on this standpoint, we tried to identify the components of plastid nucleoids and to analyze their function in the replication and transcription of plastid DNA. The publication of the complete nucleotide sequence of the genome of Arabidopsis thaliana made us conclude that many of the prokaryotic nucleoid proteins are not present in higher plants. Examples are the HU protein and Dps protein that are ubiquitously present in prokaryotes but these are not present in the chloroplast of A. thaliana.Many of the nucleoid proteins must have been acquired during the evolution of land plants by duplication or modification of the nuclear genes encoding eukaryotic DNA-binding proteins. These results prompted us to put forward a hypothesis on the discontinuous evolution of plastid genomic machinery.
期刊论文(35)
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Hashimoto,K.and Sato,N.: "Characterization of the mitochondrial nad7 gene in Physcomitrella patens : Similarity with angiosperm nad7 genes."Plant Science. (印刷中). (2001)
Hashimoto, K. 和 Sato, N.:“小立碗藓中线粒体 nad7 基因的特征:与被子植物 nad7 基因的相似性”(出版中)。
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N.Sato., N.Rolland., M.A.Block, J.Joyard: "Do plastid envelope membranes play a role in the expression of the plastid genome?"Biochimie. 81. 619-629 (1999)
N.Sato.、N.Rolland.、M.A.Block、J.Joyard:“质体包膜在质体基因组的表达中发挥作用吗?”Biochimie。
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通讯作者:
N. Sato, N. Rolland, M. A. Block, J. Joyard: "Do plastid envelope membranes play a role in the expression of the plastid genome?"Biochimie. 81. 619-629 (1999)
N. Sato、N. Rolland、M. A. Block、J. Joyyard:“质体包膜在质体基因组的表达中发挥作用吗?”Biochimie。
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18
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    • 批准号:
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      2012
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