扩展显微镜揭示了致病发芽酵母物种的特征性超结构特征
Md Hashim Reza1, Srijana Dutta1, Rohit Goyal1
1Molecular Mycology Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, India.
Journal of cell science
|July 25, 2024
概括
超结构膨胀显微镜 (U-ExM) 可视化了Candida albicans的细胞结构. 这种技术揭示了保存的真菌细胞分裂特征,有助于对真菌病原体的研究.
科学领域:
- 微生物学 微生物学
- 细胞生物学 细胞生物学
- 菌类学 菌类学是指菌类学.
背景情况:
- 香菌 (Candida albicans) 是一种主要的真菌病原体,会引起香病.
- 研究C. albicans复杂的生命周期和亚细胞结构是很困难的,因为它的小尺寸.
- 高分辨率显微镜对于理解真菌细胞生物学至关重要.
研究的目的:
- 使用超结构膨胀显微镜 (U-ExM) 在高分辨率下可视化Candida albicans的亚细胞结构.
- 在细胞分裂过程中绘制核细胞和线粒体分离动态和螺旋杆体 (SPB) 结构的地图.
- 研究其他人类真菌病原体中观察到的细胞特征的保存.
主要方法:
- 超结构膨胀显微镜 (U-ExM) 被用于可视化C. albicans.
- 使用N-hydroxysuccinimide (NHS) -ester泛标签和免疫光检测来绘制细胞组件的地图.
- 该U-ExM协议适应了另外六种人类真菌病原体.
主要成果:
- U-ExM成功地可视化了酵母菌和C. albicans的形形式中的亚细胞结构.
- 实现了核细胞和线粒体分离以及SPB结构的详细绘制.
- 在前相C. albicans中观察到SPB并排排排列,带有短的线粒旋和长的星际微管.
- 这种并排的SPB配置被发现在其他真菌物种中得到保护.
结论:
- U-ExM是一种功能强大,低成本的工具,用于对微生物病原体进行高分辨率可视化.
- 这项研究提供了关于C. albicans和其他真菌的细胞分裂机制的见解.
- 保存的并排SPB排列凸显了真菌细胞生物学中的潜在共同点.
更多相关视频
12:04Examination of Mitotic and Meiotic Fission Yeast Nuclear Dynamics by Fluorescence Live-cell Microscopy
Published on: June 24, 2019
9.5K
09:03Rapid Freezing using Sandwich Freezing Device for Good Ultrastructural Preservation of Biological Specimens in Electron Microscopy
Published on: July 19, 2021
5.3K
相关概念视频
Microbial Morphologies
4.9K
Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
4.9K
Fungal Phylum Microsporidia
733
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
733
