Gut Protozoa Extraction

Gut protozoa extraction is the laboratory process of recovering single-celled eukaryotic organisms from gastrointestinal contents or fecal material for biological analysis. It typically uses sample collection followed by suspension, filtration, sedimentation, or other separation steps that concentrate protozoa while removing larger debris and unwanted material; preservation or culture may then support further study. Extracted organisms can be examined by microscopy, identified through morphological features or molecular methods, and assessed for abundance, diversity, and interactions with their hosts. In biology, this approach supports research on gut microbial communities, host health, disease, ecology, and the roles of protozoa in gastrointestinal ecosystems.

Gut Protozoa Extraction - Related Videos

Research

JoVE Journal - Biology

Testing Protozoacidal Activity of Ligand-lytic Peptides Against Termite Gut Protozoa in vitro (Protozoa Culture) and in vivo (Microinjection into Termite Hindgut)

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Cited by 11 •

2010

We present procedures for demonstrating that ligands bind to the surface membrane of the cellulose-digesting protozoa in the gut of Formosan subterranean termites using fluorescent microscopy and that ligands coupled with lytic peptides kill these protozoa in vitro (anaerobic protozoa culture) and in vivo (injection into the termite hindgut).

Extracting DNA from the Gut Microbes of the Termite (Zootermopsis Angusticollis) and Visualizing Gut Microbes

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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.

Oral Infection Alters the Gut Microbiota in a Rat Model

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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...

A Method to Assess Bacteriocin Effects on the Gut Microbiota of Mice

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Cited by 9 •

2017

Bacteriocins are believed to play a key role in defining microbial diversity in different ecological niches. Here, we describe an efficient procedure to assess how bacteriocins affect gut microbiota composition in an animal model.

Investigating the Human Gut Microbial Activity on Exopolysaccharides

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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...

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