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Updated: May 14, 2025

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高分辨率的冷EM分析可视化了来自肠毒性大肠杆菌 (Escherichia coli) 的水化I型和IV型柱状结构

Kazuki Kawahara1, Hiroya Oki2, Minato Iimori3

  • 1Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka 565-0871, Japan; Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka 565-0871, Japan.

Structure (London, England : 1993)
|April 12, 2025
PubMed
概括

研究人员确定了细菌 pili 的高分辨率结构,揭示了稳定其组装的水分子. 这些发现提供了关于柱状细胞功能的见解,并可能有助于开发新药和针对病原细菌的疫苗.

关键词:
埃舍里希亚大肠杆菌 (Escherichia coli) 是一个大肠杆菌.冷电子显微镜的使用方法肠道病原体肠道病原体第一种类型的柱子.第四类型的柱子.

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Conventional electron microscopy (EM) involves dehydration, fixation, and staining of biological samples, which distorts the native state of biological molecules and results in several artifacts. Also, the high-energy electron beam damages the sample and makes it difficult to obtain high-resolution images. These issues can be addressed using cryo-EM, which uses frozen samples and gentler electron beams. The technique was developed by Jacques Dubochet, Joachim Frank, and Richard Henderson, for...
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