Larval Imaging
Larval Imaging - Related Videos
09:50
Live Imaging of Drosophila Larval Neuroblasts
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Cited by 37 •
2014
This protocol details a streamlined method used to conduct live cell imaging in the context of an intact larval brain. Live cell imaging approaches are invaluable for the study of asymmetric neural stem cell divisions as well as other neurogenic and developmental processes, consistently uncovering mechanisms that were previously overlooked.
08:29
Drosophila Larval IHC
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2023
Immunohistochemistry (IHC) is a technique used to visualize the presence and location of proteins within tissues. Drosophila larvae are particularly amenable to IHC because of the ease with which they can be processed for staining. Additionally, the larvae are transparent, meaning that some tissues can be visualized without the need for dissection. In IHC, proteins are ultimately detected with antibodies that specifically bind to “epitopes” within the protein of interest. In order to preserve...
11:30
High-fat Feeding Paradigm for Larval Zebrafish: Feeding, Live Imaging, and Quantification of Food Intake
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Cited by 19 •
2016
Zebrafish are emerging as a valuable model of dietary lipid processing and metabolic disease. Described are protocols of lipid-rich larval feeds, live imaging of dietary fluorescent lipid analogs, and quantification of food intake. These techniques can be applied to a variety of screening, imaging, and hypothesis driven inquiry techniques.
07:49
High-Resolution C. elegans Imaging Across All Larval Stages
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Cited by 3 •
2025
This protocol describes microfluidic-based C. elegans time-lapse imaging across the entire post-embryonic development.
07:18
Visualization of Larval Segmental Nerves in 3rd Instar Drosophila Larval Preparations
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Cited by 13 •
2010
Drosophila melanogaster larvae provide an ideal model system to investigate the mechanisms of axonal transport within larval segmental nerves. Using this procedure, 3rd instar larvae carrying various mutations can be compared to wild type larvae.
FAQs
Optical transparency allows researchers to observe internal structures without relying solely on external features. This makes it possible to follow labeled cells, gene expression, and organ formation in living specimens. As a result, imaging can connect changes at the cellular or molecular level with broader anatomical, physiological, or behavioral outcomes in the same developing animal.
Each modality emphasizes different information. Bright-field microscopy provides general visual observations, whereas fluorescence reveals labeled cells or gene-expression patterns. Confocal microscopy supports visualization of specific structures, and time-lapse microscopy follows changes over time. Selecting among these approaches depends on whether the study prioritizes overall morphology, molecular signals, spatial detail, or developmental dynamics.
Time-lapse microscopy captures sequential changes rather than isolated observations. Researchers can therefore examine organ formation, cellular movements, behavioral responses, or disease-related changes as they develop. This temporal information helps distinguish an early transient response from a persistent phenotype and strengthens interpretation of how controlled stimuli or treatments affect the whole organism.
A study generally involves preparing living larvae for observation, selecting an imaging modality, capturing images under controlled conditions, and analyzing visible or labeled features. Investigators may collect static images for morphology or repeated images for time-dependent changes. Analysis can then compare anatomy, physiology, behavior, gene expression, or treatment responses across experimental conditions.
Medical researchers can apply the approach to development, infection, toxicology, neurobiology, and drug discovery. Its value is especially strong when investigators need rapid, noninvasive assessment of phenotypes or treatment effects in living specimens. These observations can help prioritize candidates for further investigation while linking biological changes to organism-level outcomes.
Imaging can reveal changes in anatomy, physiology, behavior, gene expression, organ formation, or responses to controlled stimuli. In medicine, researchers may use these phenotypes to evaluate disease-related alterations or treatment effects. Because the observations can span molecular signals through whole-organism behavior, the results provide dynamic evidence for comparing conditions and identifying promising directions for additional study.