Investigation of the folding dynamics of proteins based on the advanced method of single molecule detection
Investigation of the folding dynamics of proteins based on the advanced method of single molecule detection
批准号:
21370072
负责人:
TAKAHASHI Satoshi
金额:
$12.06万
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:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011
中文摘要
在本项目中,我们首次开发了用于长时间检测单分子荧光的球面反射镜系统。基于开发的系统,我们成功地确定了细胞色素c的能量景观。接下来,我们开发了用于单分子荧光时间序列快速时间分辨测量的线共形显微镜。该方法用于研究A蛋白B结构域的未折叠态动力学,并揭示了未折叠集合中存在的亚态。目前正在将开发的方法进一步应用于其他蛋白质系统。
英文摘要
In this project, we first developed spherical mirror system for the detection of fluorescence from single molecules for long periods. Based on the developed system, we successfully determined the energy landscape for cytochrome c. We next developed line conforcal microscopy for the fast time resolved measurements of single molecule fluorescence time series. The method was used to investigate the unfolded state dynamics of the B domain of protein A, and revealed the presence of substates in the unfolded ensemble. Further applications of the developed methods for other protein systems are currently underway.
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一分子測定法による蛋白質の折り畳み研究の展開
利用单分子测量方法进行蛋白质折叠研究的进展
DOI:
--
发表时间:
2009
期刊:
生物物理 49
影响因子:
--
作者:
[Fujinami S., Sato T., Ito M., 鎌形清人・木下雅仁・高橋聡]
通讯作者:
鎌形清人・木下雅仁・高橋聡
Exploring The Energy Landscape of Denatured Protein Using Time-Series Detection of Fluorescence of Free Single Molecules
利用自由单分子荧光的时间序列检测探索变性蛋白质的能量景观
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[Kiyoto Kamagata, Toshifumi Kawaguchi, Akinori Baba, Yoshihiro Sambongi, Tamiki Komatsuzaki, Satoshi Takahashi]
通讯作者:
Satoshi Takahashi
Microsecond-resolved time traces of protein conformational change by single-molecule fluorescence detection
通过单分子荧光检测微秒分辨率的蛋白质构象变化时间轨迹
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Hiroyuki Oikawa, Kiyoto Kamagata, Issei Iijima, Takahiro Hohsaka, Yoshihiro Sambongi, Satoshi Takahashi]
通讯作者:
Satoshi Takahashi
Single molecule and ensemble investigations of protein folding dynamics in the time domain from 30 μs to seconds
30 μs 至秒时域内蛋白质折叠动力学的单分子和整体研究
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Takao Ono Takashi Funatsu, et al., Satoshi Takahashi]
通讯作者:
Satoshi Takahashi
一分子蛍光検出による蛋白質折り畳みのマイクロ秒分解時間追跡
使用单分子荧光检测微秒分辨率时间跟踪蛋白质折叠
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
[小井川浩之, 鎌形清人, 高橋聡]
通讯作者:
高橋聡
共 48 条
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资助金额:$2.83万
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A Study of judge method of Chinese classical text in Japan ,vest a class in these text, and this class is settled by China expert advisor.
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Understanding of multidimensional quantum phenomenon in molecules with many-body quantum wavepacket theory
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A Comparative Research on Teacher Laws under Neo-Liberal Reforms in the U.S. and Japan
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Functional differences between malignant niche on the process of leukemia/lymphoma progression and hematopoietic stem cell niche on the process of cord blood graft engraftment
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Identification of novel growth factor for Glioma cancer stem cells
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Study of long existence of single micro-bubble in liquid by the suppression of gas diffusion
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An Inquiry into Legal Status of Teachers under Labor Laws in the United States
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Expression and function analyses of uPARAP in glioma and glioma cancer stem cells
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Development of new strategy for cord blood transplantation using enhancedleukemia-specific immune response with donor T cell
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The dynamics of laterality in aquatic animals and the evolution of its genetic system
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Study offlow electrification in pulsating flow
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Development of virus-specific immunocellular therapy after cord blood transplantation
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Experimental investigation on the folding dynamics of proteins
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Development of cancer immunogene therapy with gene-modified adenoviral vector re-targeted by tumor-specific peptides
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Detection of sleep regulating genes by DNA microarray to apply for clinical anesthesia
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海外基金