Enriched Fly Lysate
Enriched Fly Lysate - Related Videos
02:25
PCR-Based Detection of Foodborne Pathogens from Enriched Fly Samples
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2026
Source: Pava-Ripoll, et al. Detection of Foodborne Bacterial Pathogens from Individual Filth Flies. J. Vis. Exp. (2015)This video demonstrates a PCR-based method that amplifies target bacterial DNA from enriched fly samples using pathogen-specific tablets, enabling real-time fluorescence detection and melting curve analysis to confirm the presence of foodborne pathogens in individual insects.
08:33
Cell-Free In Vitro mRNA Translation In Drosophila Lysates
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2026
Here, we provide details on how to prepare lysates and perform in vitro translation using Drosophila embryos.
12:54
Detection of Foodborne Bacterial Pathogens from Individual Filth Flies
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Cited by 20 •
2015
A PCR-based protocol was adapted to detect Cronobacter spp., Salmonella enterica, and Listeria monocytogenes from body surfaces and alimentary canals of individual wild-caught flies. The goal of this protocol is to detect and isolate bacterial pathogens from individual insects collected as part of an environmental sampling program during foodborne outbreak investigations.
04:08
Purification of Bacteriophages from Bacterial Lysate
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2026
Source: Pett, N., et al. T4 Bacteriophage and E. coli Interaction in the Murine Intestine: A Prototypical Model for Studying Host-Bacteriophage Dynamics In Vivo. J. Vis. Exp. (2024)This video demonstrates the purification of bacteriophages from bacterial cell lysates using sequential centrifugation, membrane filtration, chloroform extraction, centrifugal filtration, and buffer exchange to obtain a purified phage preparation.
08:22
Preparation of Mitochondrial Enriched Fractions for Metabolic Analysis in Drosophila
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Cited by 13 •
2015
Mitochondria play central roles in the regulation of metabolism and homeostasis. Subtle changes in mitochondrial metabolism that affect organismal physiology could be difficult to detect in whole organism metabolomics studies. Here we describe an isolation method that enhances the detection of subtle metabolic shifts in Drosophila melanogaster.
FAQs
Mechanical homogenization breaks open cells in fly tissues or embryos, releasing intracellular proteins, nucleic acids, metabolites, and other molecules into the extract. This disruption makes cellular components accessible for biochemical measurements rather than leaving them enclosed within intact cells. The resulting molecular mixture can therefore be analyzed to connect tissue-level genetic or developmental changes with measurable cellular activities.
Clarification removes larger cellular debris from the disrupted material, producing a more usable extract for downstream biochemical or molecular studies. Fractionation can further separate or enrich selected material within the lysate. These steps affect which molecular components remain available for analysis, helping researchers focus on particular proteins, nucleic acids, metabolites, or other intracellular materials.
The lysate may contain proteins, nucleic acids, metabolites, and other intracellular components released from the starting tissue or embryos. Because these molecules contribute to different cellular processes, an experiment may measure protein activity, gene expression, signaling-related changes, or metabolism. The composition of the extract reflects the biological material selected and the enrichment or clarification applied.
Molecular measurements in the extract can reveal how a genetic or developmental change alters biochemical outcomes. For example, researchers may examine differences in protein activity, gene expression, signaling, or metabolic processes between experimental conditions. This connection is valuable because it links changes observed in a Drosophila model with molecular events occurring within its cells.
Preparation begins with fly tissues or embryos as the biological source. Mechanical homogenization then disrupts the cells and releases their intracellular contents. The resulting material can undergo clarification to remove larger debris or fractionation to enrich selected components. The prepared extract is subsequently used for biochemical or molecular analyses suited to the research question.
Researchers use a lysate when they need direct access to cellular molecules for biochemical or molecular measurements. The extract supports analysis of protein activity, gene expression, cellular signaling, and metabolic processes without requiring the measurement to occur in intact tissue. It is especially useful when a study aims to relate Drosophila genetics or development to molecular outcomes.
Results can help investigate how cellular functions change during development, how signaling pathways or metabolic processes respond to genetic differences, and how disease-related mechanisms appear in an experimental model. Because the extract preserves molecular material from living fly tissue, it provides biochemical evidence that complements broader studies of cell function and model-organism biology.