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Phenotypes Associated with This Genotype
Genotype
MGI:3641317
Allelic
Composition
Tbx1tm1Bld/Tbx1tm1(Fgf8)Vite
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tbx1tm1Bld mutation (1 available); any Tbx1 mutation (36 available)
Tbx1tm1(Fgf8)Vite mutation (1 available); any Tbx1 mutation (36 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
embryo
• at E10.5, embryos show an abnormal pharynx lacking caudal arches
• arch arteries are absent at E10.5

craniofacial
• at E10.5, embryos show an abnormal pharynx lacking caudal arches
• arch arteries are absent at E10.5

cardiovascular system
• arch arteries are absent at E10.5
• one fetus had double aortic arch with aortic dilation
• PTA associated with the right or left aortic arch is observed at E18.5; in all affected mutants, PTA communicates solely with the right ventricle
• a ventricular septal defect is observed
• there is a loss of continuity between the mitral and semilunar valves


Contributing Projects:
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
03/25/2025
MGI 6.24
The Jackson Laboratory