A study of identification of the proteins and their genes which compose the dividing apparatus of mitochondria and plastids

构成线粒体和质体分裂装置的蛋白质及其基因的鉴定研究

基本信息

  • 批准号:
    12440222
  • 负责人:
  • 金额:
    $ 10.82万
  • 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:
    2000
  • 资助国家:
    日本
  • 起止时间:
    2000 至 2001
  • 项目状态:
    已结题

项目摘要

The plastid-dividing ring can be detected by transmission electron microscopy as two (or three) electron-dense rings: and outer ring on the cytosolic face of the outer envelope, occasionally a middle ring in the intermembrane space, and an inner ring on the stromal face of the inner envelope. The FtsZ ring, which plays a central role in bacterial division, also is involved in plastid division and is believed to have descended to plastids from cyanobacterial endosymbiosis. The relationship between the two structures is not known, although there is discussion regarding whether they are identical, biochemical and immunocytochemical investigations, using synchronized chloroplasts of the red alga Cyanidoschyzon merolae, showed that the plastid FtsZ ring is distinct and separable from the plastid-dividing ring. The FtsZ ring localizes in stroma and faces the inner plastid-dividing ring at the far side from the inner envelope. The FtsZ ring and the inner and outer plastid-dividing ring form in that order before plastid division. The FtsZ ring disappears at the late stage of constriction before dissociation of the plastid-dividing ring, when the constriction is still in progress. Our results suggest that the FtsZ ring-based system, which originated from a plastid ancestor, cyanobacteria, and the plastid-dividing ring-based system, which probably originated from host eukaryotic cells, form a complex and are involved in plastid division by distinct modes.
通过透射电子显微镜可以检测到质体分裂环为两个(或三个)电子致密环:外膜胞质面上的外环,偶尔膜间隙中的中环,以及基质上的内环。内被膜的表面。FtsZ环在细菌分裂中起核心作用,也参与质体分裂,并且被认为是从蓝藻内共生下降到质体的。这两种结构之间的关系尚不清楚,尽管有关于它们是否相同的讨论,生物化学和免疫细胞化学的研究,使用同步叶绿体的红色Cyanidoschyzon merolae,表明质体FtsZ环是不同的,可分离的质体分裂环。FtsZ环定位于基质中,并在远离内被膜的一侧面向内质体分离环。FtsZ环和内、外质体分裂环在质体分裂前依次形成。FtsZ环消失在收缩的后期阶段之前的质体分裂环的解离,当收缩仍在进行中。我们的研究结果表明,FtsZ环为基础的系统,它起源于一个质体的祖先,蓝藻,和质体分裂环为基础的系统,可能起源于宿主真核细胞,形成一个复杂的,并参与质体分裂由不同的模式。

项目成果

期刊论文数量(30)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Miyagishima, S., et al: "Plastid division is driven by a complex mechanism that involves differential transition of the bacterial and aukaryotic division rings"Plant call. 13. 2257-2268 (2001)
Miyagishima, S. 等人:“质体分裂是由一种复杂的机制驱动的,该机制涉及细菌和真核分裂环的差异转变”植物调用。
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    0
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  • 通讯作者:
黒岩常祥: "ミトコンドリアはどこからきたか"NHKブックス 日本放送出版協会. 300 (2000)
黑岩常吉:“线粒体从何而来?” NHK Books 日本广播出版协会 300 (2000)
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    0
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  • 通讯作者:
Kuroiwa, T., et al.: "Inheritance of cytoplasmic traits-embryological perspectives"Kluwer Academic Pub. 509-523 (2001)
Kuroiwa, T., et al.:“细胞质性状的遗传-胚胎学视角”Kluwer 学术出版社。
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    0
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Miyagishima, S., et al: "Novel filament 5nm in diameter constitute the cytosolic ring of The plastid division apparatus"Plant cell. 13. 707-721 (2001)
Miyagishima, S. 等人:“直径 5 nm 的新型细丝构成了质体分裂装置的胞质环”植物细胞。
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  • 影响因子:
    0
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  • 通讯作者:
Miyagishima, S., et al: "The timing and manner of disassembly of the aparatuses for Chloroplast and mitochondorial division"Planta. 212. 517-528 (2001)
Miyagishima, S. 等人:“叶绿体和线粒体分裂装置的拆卸时间和方式”Planta。
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KUROIWA Tsuneyoshi其他文献

KUROIWA Tsuneyoshi的其他文献

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{{ truncateString('KUROIWA Tsuneyoshi', 18)}}的其他基金

Elucidating the basis of plant cells based on the organelle division mechanism of microalgae
基于微藻细胞器分裂机制阐明植物细胞基础
  • 批准号:
    19H03260
  • 财政年份:
    2019
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Genome-morphological elucidation of structure and function of intracellular 3 organelle division machinery
细胞内 3 种细胞器分裂机制的结构和功能的基因组形态学阐明
  • 批准号:
    16H04813
  • 财政年份:
    2016
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Comprehensive understanding of organelle division and multiplication on bases of elucidation of dividing machinery of microbody
基于阐明微体分裂机制对细胞器分裂与增殖的全面认识
  • 批准号:
    25650101
  • 财政年份:
    2013
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Reveal the mechanism of eukaryotic cell-on the base of genome information of mitochondrial division apparatus
揭示真核细胞机制——基于线粒体分裂器基因组信息
  • 批准号:
    22657061
  • 财政年份:
    2010
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Studies on total regulation system of plastid and mitochondrial division machineries
质体和线粒体分裂机制总体调控系统的研究
  • 批准号:
    22247007
  • 财政年份:
    2010
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Studies on molecular physiological mechanism of plastid and mitochondrial division machineries
质体和线粒体分裂机制的分子生理机制研究
  • 批准号:
    19207004
  • 财政年份:
    2007
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Studies on structure and function of organelles dividing machines based on genome information
基于基因组信息的细胞器分裂机结构与功能研究
  • 批准号:
    14204078
  • 财政年份:
    2002
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
The studies on organization and evolution of eukaiyotes based on genome analyses of primitive red alga.
基于原始红藻基因组分析的真生物组织和进化研究。
  • 批准号:
    13206011
  • 财政年份:
    2001
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
CELL PHISIOLOGICAL AND MOLECULAR BIOLOGICA STUDIES ON THE DIVIDING APPARATUS OF PLASTIDS AND MITOCHONDRIA
质体和线粒体分裂装置的细胞生理学和分子生物学研究
  • 批准号:
    10440236
  • 财政年份:
    1998
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Studies on dynamic changes of molecular distribution in plant cells by immuno-electron microscopy
免疫电镜研究植物细胞内分子分布的动态变化
  • 批准号:
    02304007
  • 财政年份:
    1990
  • 资助金额:
    $ 10.82万
  • 项目类别:
    Grant-in-Aid for Co-operative Research (A)
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