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Three-Dimensional Microscopy in Microbiology

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...

Overview of Microscopy Techniques

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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 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...

Imaging Biological Samples with Optical Microscopy

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Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
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Related Experiment Video

Updated: Jun 27, 2026

Live-Cell Fluorescence Microscopy to Investigate Subcellular Protein Localization and Cell Morphology Changes in Bacteria

Live-Cell Fluorescence Microscopy to Investigate Subcellular Protein Localization and Cell Morphology Changes in Bacteria

Published on: November 23, 2019

New microscope produced by Lambda Praha Co. applicable to field studies of microorganisms.

¹Institute of Microbiology of the Academy of Sciences of the Czech Republic, v.v.i., 142 20, Prague, Czech Republic. zizka@biomed.cas.cz

Folia Microbiologica

|December 17, 2008

Summary

A new portable microscope enabled field study of Red Sea biofilms. Cyanobacteria (Lyngbya) showed protective sheaths, while algae (Padina) exhibited apoptotic nuclear degradation.

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Live Cell Imaging of Bacillus subtilis and Streptococcus pneumoniae using Automated Time-lapse Microscopy

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Published on: July 28, 2011

Area of Science:

Marine biology
Microscopy
Benthic ecology

Background:

Biofilms are microbial communities crucial to marine ecosystems.
Understanding Red Sea coastal biofilms provides insights into adaptation to extreme environments.
Previous studies often lack in-situ microscopic analysis of these biofilms.

Purpose of the Study:

To investigate Red Sea coastal biofilms using a novel field microscope.
To characterize cyanobacteria and algae within these biofilms.
To compare cellular structures and adaptations with related species.

Main Methods:

Utilized a new Lambda Praha field microscope with LED illumination and a mechanical stage.
Observed biofilms on stones and rocks from Sharm El Sheikh, Egypt.
Examined cyanobacteria (Lyngbya) and algae (Padina) at the cellular level.

Main Results:

Identified black cyanobacterial biofilms and green algal biofilms.
Observed characteristic protective sheaths in Lyngbya cyanobacteria against intense sunlight.
Found degraded nuclei in Padina algae, indicative of apoptosis, contrasting with Padina pavonia from Croatia.

Conclusions:

The new field microscope is effective for in-situ biofilm analysis.
Red Sea cyanobacteria possess adaptations for high-light environments.
Apoptosis in Padina algae suggests differential responses to environmental conditions compared to Mediterranean counterparts.