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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Cert1Gt(RRF047)Byg
gene trap RRF047, BayGenomics
MGI:3837565
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Cert1Gt(RRF047)Byg/Cert1Gt(RRF047)Byg involves: 129P2/OlaHsd * C57BL/6 MGI:3837568


Genotype
MGI:3837568
hm1
Allelic
Composition
Cert1Gt(RRF047)Byg/Cert1Gt(RRF047)Byg
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cert1Gt(RRF047)Byg mutation (0 available); any Cert1 mutation (28 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Cardiac defects in Cert1Gt(RRF047)Byg/Cert1Gt(RRF047)Byg embryos

mortality/aging

cardiovascular system
• at E9.5 the truncus arteriosus appears thin, transparent and swollen
• at E9.5 in some embryos the entire heart appears swollen with thin transparent walls
• the cardiac jelly is enlarged in many embryos
• at E10.5, walls are thin and fragile
• some embryos show complete regurgitation of the blood into the heart during diastole
• at E9.5 ventricular contractions appear weaker and blood accumulates in the ventricles of some embryos

cellular
N
• no increase in apoptosis is detected in embryos at E10.5
• at E9.5 endoplasmic reticuli from cells in the heart and optic cup show signs of engorgement and vesiculation
• at E10.5 endoplasmic reticulum from cells in the endocardial, muscular and epicardial regions of the heart show proliferation, vesiculation and engorgement
• engorged endoplasmic reticuli are accompanied by an accumulation of lipoid bodies
• at E9.5 mitochondrial changes are visible in cells from the heart and optic cup
• at E10.5 mitochondria in the heart appear pale and engorged and many lack cristae
• at E10.5 degenerating mitochondria are seen in the optic cup
• at E10.5 plasma membrane ceramide levels are reduced while in the endoplasmic reticulum ceramide levels are increased
• however, plasma membrane fluidity is similar to controls
• in embryos at E10.5
• ceramide levels are elevated
• assays suggest that mitochondrial function is impaired

homeostasis/metabolism
• reduced sphingomyelin levels at E10.5
• total hexosylceramide content is reduced at E10.5

embryo
• at E7.5 - E10.5

growth/size/body
• at E7.5 - E10.5

muscle
• at E9.5 ventricular contractions appear weaker and blood accumulates in the ventricles of some embryos





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Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
11/12/2024
MGI 6.24
The Jackson Laboratory