使用共聚焦显微镜分析形形的分析
Camilla Banfi1, Philippa Jane Barrell2
1Department of Biosciences, Università degli Studi di Milano, Milan, Italy. camilla.banfi@unimi.it.
Methods in molecular biology (Clifton, N.J.)
|October 30, 2025
概括
本研究介绍了Feulgen染色和共聚焦显微镜技术,以可视化植物繁殖. 这种方法增强了对无性繁殖的一种形式apomixis及其遗传变异的研究.
科学领域:
- 植物生殖生物学 植物生殖生物学
- 细胞和分子生物学是细胞和分子生物学.
- 遗传学 是一个遗传学.
背景情况:
- 阿波米克斯是一种无性繁殖方法,发生在植物卵子和种子中.
- 双胞胎细胞细胞移除 (Gametophytic apomixis) 涉及通过修饰的半变异或体细胞产生未减少的雌性双胞胎细胞.
- 伴生导致从未减少的卵细胞胚胎发育,但研究这些过程是困难的,因为无法访问.
研究的目的:
- 提出一个Feulgen染色协议与共聚焦显微镜相结合,用于研究apomixis.
- 为了获得女性生殖细胞在整体卵巢中的高分辨率图像.
- 为了证明该协议在分析影响apomixis的突变物中的实用性.
主要方法:
- 应用一个Feulgen染色协议.
- 使用共聚焦显微镜进行高分辨率成像.
- 整体卵巢制剂,用于快速和简单的分析.
主要成果:
- 成功获得了非还原性大胞生成和自主胚胎形成的高分辨率图像.
- 视觉化了二胞体 (Taraxacum officinale) 和二胞体 (Pilosella piloselloides var.) 中的关键细胞事件 预先的) 放弃. 放弃.
- 证明了该协议在研究失双和失生殖突变物中的有效性.
结论:
- 费尔根染色和共聚焦显微镜方法为植物生殖过程的高清成像提供了强大的工具.
- 这种技术简化了对apomixis的细胞胚胎学研究,克服了以前的可访问性挑战.
- 该协议对于调查apomixis和相关突变的遗传基础非常有价值.
关键词:
这是一种阿波梅伊症 (apomeiosis).这就是apomixis.一个复杂的Apospory同焦点显微镜的共聚焦显微镜双胞体 (Diplospory) 是一种双胞体.一个巨大的卵子.帕尔诺基尼斯 (Parthenogenesis) 是一个这艘船的试剂.更多相关视频
相关概念视频
Phase Contrast and Differential Interference Contrast Microscopy
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
Confocal Fluorescence Microscopy
Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
Overview of Microscopy Techniques
The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...
Two-Dimensional Microscopy in Microbiology
Two-dimensional (2D) microscopy encompasses a range of optical techniques that capture images within a single focal plane, offering detailed representations of microscopic structures. These techniques are essential in biological and medical research, enabling the visualization of cellular and subcellular structures with different levels of contrast and specificity.There are several major types of 2D microscopy, each with strengths and applications.Bright-Field MicroscopyBright-field microscopy...
Three-Dimensional Microscopy in Microbiology
Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...


