Drosophila Midgut
Drosophila Midgut - Related Videos
02:40
Isolation of Bacteria from the Mosquito Midgut
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2026
Source: Liu, X., et al. A Bacterial Oral Feeding Assay with Antibiotic-Treated Mosquitoes. J. Vis. Exp. (2020)This video demonstrates the dissection of the mosquito midgut to isolate gut bacteria. The midgut is extracted from the digestive tract, homogenized to release the bacteria, and plated on nutrient agar to culture bacterial colonies.
03:31
Dissection of Midgut and Salivary Glands from Ae. aegypti Mosquitoes
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Cited by 58 •
2007
The mosquito midgut and salivary glands are key entry and exit points for vector pathogens like Plasmodium falciparum and the dengue virus. This video demonstrates the dissection techniques for removing the midgut and salivary glands from Aedes aegypti mosquitoes.
03:06
Dissection of the Midgut from an Adult Fly: A Method for Isolating the Digestive Tract
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2023
In this video, we highlight a dissection of the adult Drosophila intestine and collection of midguts suitable for single-cell dissociation and FACS in order to isolate intestinal stem cells.
03:22
Extraction of Saliva, Haemolymph, Salivary Glands, and Midgut from Individual Ticks (Acari: Ixodidae)
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Cited by 2 •
2025
Here, we present a protocol to collect saliva, haemolymph, salivary glands, and midgut, following the dissection of an individual fed tick, to study tissue-specific localization of tick-borne pathogens to advance understanding of vector competence and pathogen-microbiome interactions.
10:57
Isolating Intestinal Stem Cells from Adult Drosophila Midguts by FACS to Study Stem Cell Behavior During Aging
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Cited by 23 •
2014
Understanding the endogenous molecular changes in adult stem cells during aging requires isolating the cells of interest. The method described here presents a simple and robust approach to enrich for and isolate Drosophila intestinal stem cells and the enteroblast progenitor cells by FACS at any time point during aging.
FAQs
The midgut depends on coordinated roles among absorptive enterocytes, hormone-producing enteroendocrine cells, and regenerative stem cells. Enterocytes handle nutrient uptake, enteroendocrine cells provide hormonal regulation, and stem cells replace damaged tissue. Their activities must remain coordinated so digestion, nutrient balance, epithelial renewal, and barrier integrity are maintained as physiological conditions change.
Stem cells support epithelial renewal by replacing damaged midgut tissue. This regenerative function makes them useful for examining how intestinal epithelia respond to injury and preserve barrier integrity. In biological research, investigators can study stem-cell behavior alongside differentiated cell types to connect tissue maintenance with digestive function and disease-related changes.
Digestive enzymes help process food, while coordinated signaling links digestive activity with hormone production, nutrient balance, and epithelial maintenance. These processes operate together rather than independently: changes in one aspect of midgut physiology can be examined in relation to the others. This integrated organization supports studies of metabolism, tissue stability, and host-microbe interactions.
Genetic approaches can alter or examine midgut functions in a tissue-specific manner, allowing researchers to focus on particular cell populations or biological processes. This capability helps separate the contributions of enterocytes, enteroendocrine cells, and stem cells to digestion, renewal, signaling, and barrier maintenance. It also supports mechanistic studies of intestinal development and disease-related changes.
Imaging provides a way to examine midgut organization and changes in its epithelial cell populations. Researchers can use it to evaluate tissue structure, specialized cell types, and patterns associated with renewal or altered function. Combined with genetic or tissue-specific manipulation, imaging connects visible tissue outcomes with the underlying biological processes being investigated.
Its accessibility to genetic, imaging, and tissue-specific manipulation makes the Drosophila midgut a versatile experimental system. Researchers apply these approaches to investigate intestinal development, epithelial renewal, metabolism, host-microbe interactions, and disease-related changes. The model is especially valuable because cellular organization and physiological outcomes can be studied together within one digestive tissue.