Microbe-microbe Interactions
Microbe-microbe Interactions - Related Videos
01:09
Microbe-Plant Interactions
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2026
Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
11:16
A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
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Cited by 6 •
2017
The described hydroponic cocultivation system supports intact plants with metal mesh screens and cocultivates them with bacteria. Plant tissue, bacteria, and secreted molecules can then be separately harvested for downstream analyses, simultaneously allowing for the molecular responses of both plant hosts and interacting microbes or microbiomes to be investigated.
02:49
Treatment of Bacteria with Plant Root Exudates to Emulate In Vitro Plant-Microbe Interactions
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2025
Source: Yi, Y., et al. Plant-Microbe Interaction: Transcriptional Response of Bacillus Mycoides to Potato Root Exudates. J. Vis. Exp. (2018)This video demonstrates the preparation and treatment of Bacillus mycoides cultures to study plant-microbe interactions. It outlines the steps from streaking a stock culture and incubating it in liquid medium to exposing the bacteria to plant root exudates under agitation. The process culminates in harvesting and flash-freezing the bacterial cells for...
15:27
Extracting DNA from the Gut Microbes of the Termite (Zootermopsis Angusticollis) and Visualizing Gut Microbes
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Cited by 17 •
2007
This video illustrates the technique for extracting DNA from the species of microbes resident in the termite hindgut. The preparation of a wet mount slide, which is useful for visualizing the gut microbial community is also illustrated, and a tour through the species-rich gut environment is given.
01:26
Microbes and Methanogenesis
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2026
Methanogenesis is a critical microbial process in anaerobic ecosystems responsible for the biological production of methane, a potent greenhouse gas and valuable biofuel. This metabolic pathway is primarily facilitated by methanogenic archaea, which thrive in anoxic environments such as wetlands, sediments, and animal gastrointestinal tracts. The absence of oxygen in these habitats prevents aerobic respiration, thereby favoring alternative biochemical pathways for organic matter degradation.In...
FAQs
Quorum sensing enables microorganisms to coordinate behavior through interspecies communication, allowing local populations to respond collectively rather than acting independently. Within biofilms, this signaling operates alongside chemical and physical conditions that shape community behavior. For engineers, understanding quorum sensing helps explain how microbial communities organize activities and provides a basis for controlling communication in designed consortia.
Metabolite exchange can support cooperation when one microorganism provides compounds that another uses, creating complementary activities within a community. Resource competition produces the opposite pressure when organisms depend on overlapping resources. Distinguishing these processes helps engineers evaluate whether a consortium will support division of labor or whether competition may limit community performance in an engineered system.
Local chemical and physical conditions influence how microorganisms signal, exchange metabolites, compete, or interact within biofilms. The same community composition can therefore behave differently when its immediate environment changes. Accounting for these conditions is important when engineers seek stable, predictable microbial communities, because environmental context can alter cooperation, competition, and overall community behavior.
Engineers can focus on controlling community composition and interspecies communication so that microorganisms perform complementary functions. A stable consortium may use division of labor, with different members contributing distinct activities rather than relying on one organism to perform every task. This design approach supports more predictable function in wastewater treatment, bioremediation, agriculture, and biomanufacturing.
Engineered microbial communities are relevant to wastewater treatment, bioremediation, agriculture, and biomanufacturing. In each setting, understanding relationships among microorganisms can help researchers organize complementary activities, improve process efficiency, and maintain a useful community structure. These applications extend beyond studying individual microbes by using interactions themselves as part of the engineering strategy.
Analysis of microbe-microbe interactions can help researchers predict how engineered microorganisms will function in complex environments. It also clarifies how community composition and interspecies communication affect process efficiency and stability. This predictive perspective is valuable when a system must operate as a coordinated consortium, particularly where changing environmental conditions may influence cooperation, competition, or division of labor.