Gut Isolation
Gut Isolation - Related Videos
15:27
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.
06:21
Depletion of Ribosomal RNA for Mosquito Gut Metagenomic RNA-seq
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Cited by 20 •
2013
A ribosomal RNA (rRNA) depletion protocol was developed to enrich messenger RNA (mRNA) for RNA-seq of the mosquito gut metatranscriptome. Sample specific rRNA probes, which were used to remove rRNA via subtraction, were created from the mosquito and its gut microbes. Performance of the protocol can result in the removal of approximately 90-99% of rRNA.
12:03
Purification of Biotinylated Cell Surface Proteins from Rhipicephalus microplus Epithelial Gut Cells
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Cited by 3 •
2017
A modified density centrifugation gradient-based methodology was utilized to isolate epithelial cells from Rhipicephalus microplus gut tissue. Surface-bound proteins were biotinylated and purified through streptavidin magnetic beads for utilization in downstream applications.
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.
06:36
Gut Isolation from Zebrafish Larvae for Single-cell RNA Sequencing
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Cited by 4 •
2023
Here, we describe a method for gut isolation from zebrafish larvae at 5 days post fertilization, for single-cell RNA sequencing analysis.
FAQs
Maintaining the gastrointestinal tract’s anatomical structure allows researchers to relate observations to defined intestinal regions rather than to a disrupted tissue sample. If tissue viability is required, the dissection must also limit damage that could alter cellular activity or biological responses. This preservation supports more meaningful anatomical, histological, molecular, and functional comparisons across gut compartments.
Mechanical damage can compromise the tissue’s structure and, when viability is needed, may interfere with subsequent biological responses or ex vivo experiments. Contamination can likewise complicate microbial investigations and other analyses. Careful dissection, removal of surrounding connective tissues, and collection under appropriate conditions help produce samples that better reflect the intended gut region and experimental purpose.
Separate collection of defined gut regions makes it possible to examine regional differences in tissue structure, cellular activity, and biological responses. Instead of treating the gastrointestinal tract as a uniform organ, researchers can compare its distinct compartments. This approach is useful for anatomical studies, histology, molecular analysis, microbial investigations, and experiments focused on localized intestinal function.
A basic workflow begins with separating the gastrointestinal tract from the organism, followed by careful dissection to maintain its anatomical organization. Surrounding connective tissues are then removed, and defined gut regions are collected. Throughout the process, handling conditions should limit mechanical damage and contamination, with additional attention to preserving tissue viability when the planned study requires living tissue.
The handling priorities depend on the planned use of the sample. Anatomical studies emphasize preservation of overall organization, while histology and molecular analysis require clearly collected tissue regions for structural or molecular examination. Microbial investigations require attention to contamination, and ex vivo digestion or intestinal-function experiments additionally require conditions that support tissue viability.
Isolated gut tissue provides material for several complementary biological techniques, including anatomical examination, histology, molecular analysis, and microbial investigation. It can also be used in ex vivo studies of digestion or intestinal function. Because samples can be collected from defined compartments, researchers can connect regional tissue features with cellular activity and biological responses.