Fungal Colony Analysis
Fungal Colony Analysis - Related Videos
08:52
Live-cell Video Microscopy of Fungal Pathogen Phagocytosis
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Cited by 22 •
2013
We describe methods for live-cell video microscopy of Candida albicans phagocytosis by macrophages. These methods enable stage-specific analysis of macrophage migration, recognition, engulfment and phagosome maturation and reveal novel aspects of phagocytosis.
03:46
Malassezia-Induced Skin Inflammation and Fungal Burden Analysis in a Murine Model
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2025
This video demonstrates Malassezia-induced skin infection in mice. Malassezia oil suspension is applied over the wounded ear, triggering inflammation and swelling of the ear tissue. Later, the ears are dissected, homogenized, and spread on an agar plate for growth. The number of colonies indicates the fungal burden resulting from skin inflammation.
07:31
Microbial and Fungal Diversity - Student Protocol
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2019
Examining Microbial Colony Structures ExpandTo begin, collect your allocated culture plates and then remove the Parafilm and lid from one of them. Place the uncovered plate under a dissecting microscope and then observe the individual communities within each quadrant of the plate. As the colonies are identified, fill out the observed colony properties in the appropriate column in the table. Click Here to download Table 1 Then, repeat the observations for each of the other two bacterial species.
05:06
Microbial and Fungal Diversity - Concepts
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2019
Bacteria and fungi are two highly diverse groups of organisms that can have significant beneficial or detrimental impacts on human health. For this reason, it is important to understand and distinguish between individual species of these groups. As you will recall, biological taxonomists group organisms based on their phylogenetic relatedness. The three domains of life, Bacteria, Archaea, and Eukaryota segregate life into three distinct groupings. While all bacteria fall within the domain...
04:14
Establishing a Fungal-Bacterial Co-culture for Biofilm Formation
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2026
Source: Miquel Guennoc, C., et al. New Method for Qualitative Multi-scale Analysis of Bacterial Biofilms on Filamentous Fungal Colonies Using Confocal and Electron Microscopy. J. Vis. Exp. (2017)This video demonstrates the preparation of a fungal culture on treated cellophane membranes to support colony formation and radial growth. It then shows the cultivation and preparation of soil bacterial cells for interaction assays. Finally, it illustrates how bacterial cells adhere to the fungal colony...
FAQs
Colony morphology provides visible comparison points such as margin, elevation, texture, pigmentation, shape, and growth rate. Microscopic observations add features that may separate organisms with similar appearances on solid media. Considering both levels of evidence makes fungal colony analysis more informative for preliminary identification than relying on a single visible trait.
Defined growth conditions and consistent measurement practices strongly influence the observed outcome. Environmental conditions can alter colony diameter, development, pigmentation, texture, and growth rate, so comparisons are most meaningful when isolates are examined under the same conditions. Standardization reduces variation caused by the procedure and helps reveal genuine differences between fungi.
Colony diameter and growth rate convert visible development into measurements that can be compared among isolates. These data complement qualitative traits, including shape, margin, elevation, texture, and pigmentation. Together, they help researchers characterize differences in development and evaluate how environmental conditions influence growth, while standardized recording improves reproducibility across observations.
A typical workflow begins by growing fungal isolates on solid culture media under defined conditions. Researchers then examine and record colony diameter, shape, margin, elevation, texture, pigmentation, and growth rate. Microscopic features are often documented alongside these observations, creating a combined record for comparing isolates and supporting preliminary identification.
Researchers use colony-level observations when they need to compare how isolates develop and appear during growth, particularly when similar organisms require additional distinguishing evidence. The method is useful in taxonomy, ecology, and studies of medically important fungi. Pairing macroscopic records with microscopy provides a broader basis for preliminary characterization than either approach alone.
In environmental monitoring, colony observations can document fungal presence and compare growth characteristics under defined conditions. Food and pharmaceutical quality-control investigations use the same type of recorded evidence to characterize isolates and detect differences relevant to the tested material. The approach also supports ecological studies and medically focused investigations involving important fungi.