Related Experiment Video
Updated: May 12, 2026
13:43
Correlative Microscopy for 3D Structural Analysis of Dynamic Interactions
Published on: June 24, 2013
Correlative microscopy methods that maximize specimen fidelity and data completeness, and improve molecular
Elizabeth A Smith1, Bertrand P Cinquin, Gerry McDermott
1Department of Anatomy, School of Medicine, University of California San Francisco, San Francisco, CA, United States.
Journal of Structural Biology
|March 28, 2013
Summary
Correlative microscopy combines multiple imaging types for deeper biological insights. This study compares methods for locating molecules within cells using soft X-ray tomography (SXT) and other techniques.
Area of Science:
- Cell biology
- Microscopy
- Biophysics
Background:
- Correlative microscopy offers enhanced biological system interrogation by integrating diverse data types from single specimens.
- Significant advancements have been made in merging structural data from soft X-ray tomography (SXT) with molecular localization information.
Purpose of the Study:
- To compare methods for determining molecular positions within cells visualized by SXT.
- To discuss specimen preservation strategies for multi-modal data collection.
- To highlight specimen mounting techniques for complete correlative imaging data.
Main Methods:
- Direct visualization using electron-dense labels.
- Indirect localization via fluorescence microscopy.
- High numerical aperture cryo-light microscopy for molecular positioning.
Main Results:
- Comparison of direct and indirect molecular localization methods with SXT.
- Evaluation of specimen preservation techniques for correlative imaging.
- Assessment of specimen mounting strategies for data completeness.
Conclusions:
- Combining SXT with other microscopy techniques provides comprehensive cellular analysis.
- Effective specimen preparation and mounting are crucial for successful correlative imaging.
- Various methods exist for precise molecular localization in conjunction with SXT.
Related Concept Videos
01:28Three-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...
01:37Super-resolution Fluorescence Microscopy
Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been developed.
01:29Two-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...
01:29Modern Molecular Taxonomy
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
01:16Confocal 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,...