Mutant Mice Analysis
Mutant Mice Analysis - Related Videos
10:39
Lens Transplantation in Zebrafish and its Application in the Analysis of Eye Mutants
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Cited by 4 •
2009
Lens development involves interactions with other tissues. Several zebrafish eye mutants are characterized by an abnormally small lens size. Here we demonstrate a lens transplantation experiment to determine whether this phenotype is due to intrinsic causes or defective interactions with tissues that surround the lens.
09:17
Generation of Maternal Mutants Using zpc:cas9 Knock-in Zebrafish
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2025
Here, we describe a protocol for generating maternal mutant that couples a stable zpc:cas9 knock-in line with Tol2-mediated delivery of sgRNA expression cassettes.
11:02
Use of Arabidopsis eceriferum Mutants to Explore Plant Cuticle Biosynthesis
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Cited by 11 •
2008
The plant cuticle is a waxy outer covering on plants that has a primary role in water conservation but is also an important barrier against the entry of pathogenic microorganisms. In this video, we demonstrate the analysis of plant cuticle mutants identified by forward and reverse genetics approaches.
14:45
Transgenic Rodent Assay for Quantifying Male Germ Cell Mutant Frequency
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Cited by 28 •
2014
De novo mutations in the male germline may contribute to adverse health outcomes in subsequent generations. Here we describe a protocol for the use of a transgenic rodent model for quantifying mutations in male germ cells induced by environmental agents.
18:01
Paradigms for Pharmacological Characterization of C. elegans Synaptic Transmission Mutants
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Cited by 20 •
2008
This video demonstrates how to employ two neural stimulants, aldicarb and pentylenetetrazole (PTZ), in complementary ways to study synaptic function in the nematode, C. elegans. This complementary approach may also be used to shed light on evolutionarily conserved mechanisms for modulating neuronal synchrony and has implications for epilepsy and seizures.
FAQs
A genetically matched wild-type control provides the reference needed to attribute an observed difference to the targeted genetic alteration. Because the control shares the relevant genetic background, researchers can compare development, physiology, behavior, or molecular pathways against a baseline that is more directly comparable. This strengthens interpretation of genotype-phenotype relationships in whole-organism studies.
The type of genetic change shapes the question the model can answer. Gene loss can reveal consequences of missing function, whereas gene gain or altered expression can test effects of increased or misregulated activity. Interpreting the resulting phenotype therefore requires linking the specific alteration to changes in development, physiology, behavior, or molecular pathways rather than treating all mutants as equivalent.
Whole-organism analysis places gene function within biological context. A genetic alteration can be examined across development, physiology, behavior, and molecular pathways, allowing researchers to determine whether effects appear in one domain or across several. This integrated view helps connect gene function with disease-related phenotypes and shows how genetic changes influence biological processes beyond a single molecular measurement.
A typical comparison begins by examining mutant mice alongside genetically matched wild-type controls. Researchers then assess selected phenotypes, which may include developmental features, physiological measures, behavior, or molecular pathway changes. The pattern of differences is interpreted in relation to the defined genetic alteration, helping determine how that change influences biological traits or disease-related phenotypes.
Mutant mice analysis can be adapted to several areas of biology because it links altered genes with organism-level outcomes. In genetics and developmental biology, it can clarify gene function during development; in neuroscience, behavioral and physiological changes may be especially informative; in disease biology, disease-related phenotypes can support evaluation of therapeutic targets and potential treatments.
In disease-focused studies, a mutant mouse model can serve as a system for evaluating therapeutic targets and potential treatments after a genetic alteration produces a relevant phenotype. Researchers can examine whether treatment-related observations correspond to changes in disease-related traits or associated molecular pathways. The value of the result depends on interpreting those outcomes alongside the mutant-control comparison.