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冷冻电镜单颗粒重构中高分辨率病毒的三维显示

3D Display of High-resolution Virus in Electron Cryomicroscopy Single Particle Reconstruction
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摘要 利用冷冻电镜显微技术和单颗粒三维重建方法获得分辨率为1.3 nm的BmCPV(家蚕质多角体),1.3 nm的BmCPV+mab(家蚕质多角体与抗体复合物),2.5 nm的CSBV中蜂囊装幼虫病病毒,1.4 nm的C6/36浓核病毒(C6/36DNV)组成的三维结构体数据。对三维结构数据进行数据归并,并找到对显示细节较为敏感的向量维度,用三维可视化技术对病毒做出快速高效显示。与原有显示方法相比,时间和信噪比有了显著提高,病毒表面细节和轴上突起更加清晰可见。为高分辨病毒三维重构开辟了新的可视方法。
出处 《中国生物医学工程学报》 CAS CSCD 北大核心 2010年第4期632-635,共4页 Chinese Journal of Biomedical Engineering
基金 国家自然科学基金资助项目(30770540) 成都军区医学科研计划课题(MB07026)
关键词 冷冻电子显微技术 三维重构 三维显示 病毒 electron eryo-microscopy 3D display virus
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参考文献10

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