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Single-Cell RNA Sequencing of Mutant Whole Mouse Embryos: From the Epiblast to the End of Gastrulation
Published on: June 14, 2024
Early embryonic lethality in genetically engineered mice: diagnosis and phenotypic analysis
V E Papaioannou1, R R Behringer
1Department of Genetics and Development, Columbia University Medical Center, 701 W 168th St, New York, NY 10032, USA. vep1@columbia.edu
Veterinary Pathology
|January 15, 2011
Summary
Analyzing early embryonic lethality in genetically engineered mice is crucial for understanding gene function during development. This summary outlines strategies to investigate gene requirements during early embryogenesis, aiding in the interpretation of developmental failures.
Area of Science:
- Developmental Biology
- Genetics
- Mouse Models
Background:
- Genetically engineered mouse models frequently exhibit embryonic lethality.
- Phenotypes reveal critical gene functions during embryogenesis.
- Early embryonic lethality (before mid-gestation) offers insights into developmental timing.
Purpose of the Study:
- To summarize strategies for analyzing early embryonic lethal phenotypes.
- To aid researchers in dissecting gene requirements during early development.
- To provide a framework for interpreting developmental failures in mutant embryos.
Main Methods:
- Utilizing genetically engineered mouse mutants.
- Analyzing embryonic development stages.
- Correlating lethality timing with potential gene functions.
Main Results:
- Early embryonic lethality provides clues to gene function.
- Stage-specific lethality aids in pinpointing developmental roles.
- Systematic analysis facilitates understanding of gene essentiality.
Conclusions:
- Strategies for analyzing early embryonic lethality are essential for genetic research.
- Understanding gene function during embryogenesis is advanced by studying lethality phenotypes.
- This work provides a guide for researchers studying developmental defects in mice.
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Lucien Cuénot discovered lethal alleles in 1905 while studying the inheritance of coat color in mice. The agouti gene is responsible for the color of the coat in mice. This gene codes for an agouti-signaling protein, which is responsible for melanin distribution in mammals. The wild-type allele gives rise to gray-brown coat color in mice, while the mutant allele gives rise to yellow coat color. In addition to coat color, the agouti gene is associated with the yellow...
Lucien Cuénot discovered lethal alleles in 1905 while studying the inheritance of coat color in mice. The agouti gene is responsible for the color of the coat in mice. This gene codes for an agouti-signaling protein, which is responsible for melanin distribution in mammals. The wild-type allele gives rise to gray-brown coat color in mice, while the mutant allele gives rise to yellow coat color. In addition to coat color, the agouti gene is associated with the yellow...