Gut Protozoa Extraction
Gut Protozoa Extraction - Related Videos
17:36
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).
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.
01:27
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...
07:54
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.
09:34
Concomitant Isolation of Primary Astrocytes and Microglia for Protozoa Parasite Infection
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Cited by 5 •
2020
The overall goal of this protocol is to instruct how to extract, maintain, and dissociate murine astrocyte and microglia cells from the central nervous system, followed by infection with protozoa parasites.
FAQs
These separation steps concentrate protozoa by reducing the amount of larger debris and other unwanted material in gastrointestinal or fecal samples. Filtration helps exclude material based on size, whereas sedimentation gathers suspended components into a concentrated fraction. Using either approach, or combining them with sample suspension, can produce material that is more suitable for subsequent biological examination.
Preservation can maintain recovered material for later examination, while culture may support continued study after the initial extraction. The choice depends on the intended analysis and whether researchers need to examine organisms directly or maintain them for further investigation. These follow-up options extend the usefulness of a single sample beyond the initial recovery step.
Microscopy provides a way to examine visible morphological features, which can support identification and direct observation of recovered protozoa. Molecular methods provide another identification approach that complements morphology. Applying these methods to extracted material can strengthen biological characterization and help researchers investigate which organisms are present within a gastrointestinal sample.
A typical workflow begins with collecting gastrointestinal contents or fecal material and placing the sample into suspension. Researchers then apply a separation step, such as filtration or sedimentation, to reduce debris and concentrate protozoa. The resulting material may be preserved or cultured before microscopy, morphological assessment, molecular identification, or other biological analyses.
The method is useful when researchers need to investigate protozoa within gut microbial communities or examine relationships between these organisms and their hosts. It supports studies of host health, disease, and gastrointestinal ecology. By recovering organisms for direct or subsequent analysis, extraction connects sample-level observations with broader questions about gut biological systems.
Recovered material can support assessment of protozoan abundance and diversity, as well as investigation of interactions with the host. Microscopy and identification methods help characterize the organisms, while the resulting observations can be considered in studies of gastrointestinal communities, health, disease, and ecology. Thus, extraction supplies biological material for both descriptive and comparative research.