Gut Biome
Gut Biome - Related Videos
15:27
Extracting DNA from the Gut Microbes of the Termite (Zootermopsis Angusticollis) and Visualizing Gut Microbes
0 Views •
Cited by 18 •
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.
01:27
Oral Infection Alters the Gut Microbiota in a Rat Model
0 Views •
2026
Begin with a rat model with sutures tied around its upper molar teeth to support bacterial colonization.Repeatedly smear the sutures with a gum disease-causing oral pathogenic bacterium using a gel-like solution.The bacteria colonize the gum around the sutures.Colonization triggers inflammation and damages the tissues.The bacteria release toxins that diffuse through damaged tissues and enter the bloodstream.These circulating toxins reach the gut, cause inflammation, disrupt the epithelial...
02:46
Investigating the Human Gut Microbial Activity on Exopolysaccharides
0 Views •
2026
Source: Hu, Y. et.al., Analysis of Interactions between Endobiotics and Human Gut Microbiota Using In Vitro Bath Fermentation Systems. J. Vis. Exp. (2019)This video demonstrates the analysis of short-chain fatty acid production by human gut microbiota in response to exopolysaccharides. This highlights microbial fermentation products separation and quantification using gas chromatography. The results reveal that exopolysaccharides modulate microbial metabolites that influence host-pathogen...
01:15
Assessing the Role of Gut Microbiota in Modulating Hepatitis B Infection in Mice
0 Views •
2026
Take a control mouse with a normal gut microbiota and an experimental mouse with depleted gut microbiota. The depletion compromises the integrity of the gut barrier.This enables bacteria to translocate through the blood vessel into the liver tissue.Inject both mice with the hepatitis B virus or HBV plasmid to induce an HBV infection in the liver tissue.In the control mouse, the T cell detects an infected liver cell through the interaction of its receptors with viral antigens, and produces...
03:27
Establishing a Defined Gut Bacterial Population in Adult Mosquitoes
0 Views •
2026
Source: Liu, X., et al. A Bacterial Oral Feeding Assay with Antibiotic-Treated Mosquitoes. J. Vis. Exp. (2020)This video demonstrates the depletion of native gut microbiota in mosquitoes using an antibiotic-containing sucrose solution. This is followed by controlled recolonization with a bacterial suspension delivered through a membrane feeding system to establish a defined bacterial population in the mosquito gut.
FAQs
Microorganisms in the gastrointestinal tract break down dietary components that human enzymes cannot fully digest. This microbial activity produces metabolites such as short-chain fatty acids, linking what enters the digestive system with chemical signals that can be examined in relation to metabolism and host health. The process helps explain why diet is an important variable in gut biology.
Biological studies consider microbial diversity together with intestinal barrier function because these features are connected within the relationship between microbes and their host. The intestinal barrier and its interactions with microorganisms provide a way to investigate how gut conditions relate to health or disease. This perspective avoids treating the microbial community as separate from intestinal physiology.
Gut microorganisms interact with intestinal cells and the immune system, creating biological connections between the microbial community and host responses. These interactions are important research targets because they help investigators examine how microbial activity may relate to intestinal health, inflammation, and disease. Metabolites produced from dietary components provide another factor for studying these relationships.
Researchers examine relationships among diet, microbial diversity, intestinal barrier function, and disease, while also considering metabolism and host health. These factors provide complementary views of the same biological system: diet supplies components for microbial activity, microbes produce metabolites, and host tissues and immunity respond within the gastrointestinal tract. Together, they support investigations in biology and nutrition.
Gut biome research supports investigations into inflammatory disorders and metabolic health by examining how microbial communities, dietary breakdown, metabolites, intestinal cells, and immune responses are related. The goal is not limited to cataloging microorganisms; it also includes understanding their connections with host physiology. These relationships can guide research questions about nutrition and disease mechanisms.
Probiotics and microbiome-based therapies are application areas supported by gut biome research. Investigators study the microbial community and its interactions with the host to explore whether these approaches relate to intestinal, inflammatory, or metabolic outcomes. Their relevance comes from the broader biology of microbial activity, host health, immune interactions, and metabolites produced from dietary components.