Stage-specific Imaging
Stage-specific Imaging - Related Videos
08:44
The Utility of Stage-specific Mid-to-late Drosophila Follicle Isolation
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Cited by 12 •
2013
Stage-specific isolation of mid-to-late Drosophila follicles is useful for a variety of purposes. Such follicles develop in culture, which allows for genetic and/or pharmacologic manipulations to be coupled with in vitro development assays and live imaging. Additionally, follicles can be used for molecular studies, such as isolating mRNA and protein.
04:09
Monitoring Stage-Specific Gene Expression in Vaccinia Virus Using Fluorescent Reporters
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2026
Source: Rozelle, D. K., et al. Vaccinia Reporter Viruses for Quantifying Viral Function at All Stages of Gene Expression. J. Vis. Exp. (2014)This video demonstrates a method to monitor vaccinia virus replication using fluorescent reporters regulated by stage-specific promoters. Sequential expression of green, red, and blue fluorescent proteins marks the early, intermediate, and late phases of infection, enabling high-throughput analysis of stage-specific viral gene expression.
11:02
Chromatin Immunoprecipitation Assay for Tissue-specific Genes using Early-stage Mouse Embryos
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Cited by 5 •
2011
We demonstrate a chromatin immunoprecipitation (ChIP) method to identify factor interactions at tissue-specific genes during or after the onset of tissue-specific gene expression in mouse embryonic tissue. This protocol should be widely applicable for the study of tissue-specific gene activation as it occurs during normal embryonic development.
07:59
Bioluminescence Imaging to Detect Late Stage Infection of African Trypanosomiasis
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Cited by 3 •
2016
This manuscript describes the use of a bioluminescent strain of African trypanosomes to enable the tracking of late stage infection and demonstrates how in vivo live imaging can be used to visualize infections within the central nervous system in real-time.
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.
FAQs
The method is selected by comparing the features expected at a particular stage with the capabilities of available imaging approaches. Researchers consider the structure or process being examined, the required resolution, the contrast agent or molecular marker, and the timing of acquisition. This alignment helps ensure that images capture stage-relevant information rather than unrelated visual features.
Timing preserves the relationship between an observed feature and the stage at which it occurs. Images collected at appropriate developmental, disease, or treatment time points can show when cells differentiate, tissues form, or pathology emerges. Without this temporal context, researchers may observe differences between samples but have difficulty determining the sequence of biological changes.
These components determine which stage-dependent features become visible and interpretable. Resolution supports examination of structures at the needed scale, while contrast agents or molecular markers help distinguish particular biological features or processes. Adjusting these elements for each stage can improve comparisons and reveal changes that might remain unclear when one imaging setup is applied throughout an experiment.
A practical workflow begins by identifying the developmental, disease, or treatment stages to compare. Researchers then match each stage with suitable imaging methods, resolution, contrast agents or molecular markers, and acquisition times. Images are collected across the planned time points and interpreted in relation to one another, preserving temporal context for the biological process under study.
Researchers can organize images according to developmental time points, disease progression, treatment exposure, or model organism and then examine stage-dependent differences. Consistent attention to the selected imaging conditions helps distinguish genuine biological changes from differences caused by unsuitable visualization. Such comparisons can clarify when a feature appears, changes, or becomes associated with a particular experimental condition.
It is useful when the research question concerns how pathology emerges or how biological features change after treatment. Stage-matched imaging can place those observations within a progression sequence, allowing researchers to compare untreated and treated conditions at relevant time points. The resulting temporal comparisons may help identify stage-dependent mechanisms and distinguish early changes from later outcomes.