Bacteria-fungus Interaction
Bacteria-fungus Interaction - Related Videos
03:03
Double-Staining Method: A Technique to Visualize Plant-Fungus Interactions Using Ruthenium Red and Lactophenol Cotton Blue
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2025
This video demonstrates a double staining method using ruthenium red and lactophenol cotton blue to visualize pectins and chitins during plant-fungus interactions in a coffee rust plant. The procedure helps understand plant defense mechanisms during fungal infections.
12:22
Biomimetic Materials to Characterize Bacteria-host Interactions
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Cited by 8 •
2015
Bacterial attachment to host cells is a key step during host colonization and infection. This protocol describes the generation of polymer-coupled recombinant adhesins as biomimetic materials which allow analysis of the contribution of individual adhesins to these processes, independent of other bacterial factors.
06:39
Double-Staining Method to Detect Pectin in Plant-Fungus Interaction
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Cited by 8 •
2022
This protocol describes a microscopical method to detect pectin in coffee-fungus interaction.
06:19
Infecting Mice with Malassezia spp. to Study the Fungus-Host Interaction
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Cited by 23 •
2019
This protocol outlines the establishment of a mouse model for studying Malassezia-host interactions in the skin. It describes the cultivation of Malassezia in vitro, the infection of the murine skin with Malassezia, and the subsequent analysis of the inflammation and the fungal burden in the skin tissue.
04:06
Assessing Bacteria-Host Cell Interactions Using Biomimetic Beads
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2025
Source: Stones, D. H., et al. Biomimetic Materials to Characterize Bacteria-host Interactions. J. Vis. Exp. (2015)This video demonstrates the use of bacteriomimetic beads to quantify bacterial adhesion to host epithelial cells under competitive conditions. It outlines the steps involved in treating the cells, lysing them, and plating serial dilutions to measure colony-forming units.
FAQs
Chemical signaling can coordinate interactions, while antimicrobial compounds can suppress competing organisms. Together, these mechanisms help determine whether bacteria and fungi share resources, inhibit one another, or alter community structure. Examining these chemical effects connects molecular events with ecological outcomes such as dominance, coexistence, or changes in microbial activity.
Environmental conditions influence access to space and nutrients, which can shift an interaction toward cooperation, competition, antagonism, or neutrality. The same bacterial-fungal pairing may therefore produce different ecological effects in different settings. This context dependence is important when interpreting changes in microbial communities, nutrient cycling, plant health, or decomposition.
Biofilm formation can bring bacterial and fungal cells into organized microbial communities, potentially influencing access to resources and exposure to inhibitory compounds. Nutrient exchange can instead support mutualistic relationships by allowing organisms to provide resources to one another. Considering both processes helps explain why microbial partnerships may be beneficial under some conditions and restrictive under others.
Competition centers on limiting access to shared space or resources, whereas cooperation can involve mutualistic nutrient exchange. Antagonistic relationships may additionally include chemical inhibition, while neutral interactions produce no clearly described benefit or harm. These categories provide a framework for comparing how bacterial and fungal partners affect community assembly, host health, and nutrient cycling.
A study can examine the organisms' competition for space and resources, chemical signaling, antimicrobial activity, biofilm formation, and nutrient exchange. Researchers can then relate these features to whether the relationship is cooperative, antagonistic, or neutral under particular environmental conditions. This approach links molecular mechanisms with outcomes in microbial communities, hosts, and ecosystems.
These interactions are relevant when bacterial or fungal activities suppress competing organisms through antimicrobial compounds or other antagonistic effects. Studying such relationships can inform antibiotic development and the design of biocontrol agents. The same ecological principles may also support sustainable agriculture by helping manage harmful microbial communities without treating interactions as uniformly beneficial or harmful.
Bacterial-fungal relationships provide context for soil fertility, plant disease, decomposition, and microbiome assembly. In soil, they can influence nutrient cycling and fertility; in plants, they can affect disease-related communities; during decomposition, they shape microbial activity. These interactions therefore connect molecular communication and competition with broader biological processes across hosts and ecosystems.