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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tbx1tm1Dsr
targeted mutation 1, Deepak Srivastava
MGI:3510038
Summary 8 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Tbx1tm1Dsr/Tbx1tm1Dsr either: 129/Sv or (involves: 129/Sv * C57BL/6) MGI:3510312
ht2
Tbx1tm1Dsr/Tbx1+ either: 129/Sv or (involves: 129/Sv * C57BL/6) MGI:3510311
cn3
Tbx1tm1Dsr/Tbx1tm1Dsr
Tg(KRT14-cre)1Amc/0
involves: 129 * C57BL/6J * CBA MGI:7834413
cn4
Tbx1tm1Dsr/Tbx1tm1Dsr
H2az2Tg(Wnt1-cre)11Rth/H2az2+
involves: 129 * C57BL/6J * CBA/J MGI:7834414
cn5
Tbx1tm1Dsr/Tbx1tm1.1Dsr
H2az2Tg(Wnt1-cre)11Rth/H2az2+
involves: 129 * C57BL/6J * CBA/J MGI:7840105
cn6
Tbx1tm1Dsr/Tbx1tm1Dsr
Twist2tm1.1(cre)Dor/Twist2+
involves: 129X1/SvJ * C57BL/6J MGI:7834412
cn7
Tbx1tm1Dsr/Tbx1tm1.1Dsr
Twist2tm1.1(cre)Dor/Twist2+
involves: 129X1/SvJ * C57BL/6J MGI:7840103
cn8
Tbx1tm1Dsr/Tbx1tm1.1Dsr
Mesp1tm2(cre)Ysa/Mesp1+
involves: C57BL/6J * C57BL/6NCrlj * CBA/JNCrlj MGI:7840104


Genotype
MGI:3510312
hm1
Allelic
Composition
Tbx1tm1Dsr/Tbx1tm1Dsr
Genetic
Background
either: 129/Sv or (involves: 129/Sv * C57BL/6)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tbx1tm1Dsr mutation (0 available); any Tbx1 mutation (36 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

cardiovascular system
• aberrant right subclavian artery
• right sided or double aortic arches
• right sided or double aortic arches
• occasional misalignment causing both pulmonary trunk and ascending aorta to arise from the right ventricle

craniofacial
• abnormal fusion of the basioccipital and basisphenoid bones

hearing/vestibular/ear
• smaller than normal

immune system
• aplasia of the thymus

skeleton
• abnormal fusion of the basioccipital and basisphenoid bones

hematopoietic system
• aplasia of the thymus

endocrine/exocrine glands
• aplasia of the thymus

growth/size/body

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
DiGeorge syndrome DOID:11198 OMIM:188400
J:93588




Genotype
MGI:3510311
ht2
Allelic
Composition
Tbx1tm1Dsr/Tbx1+
Genetic
Background
either: 129/Sv or (involves: 129/Sv * C57BL/6)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tbx1tm1Dsr mutation (0 available); any Tbx1 mutation (36 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• in about 2% of instances

cardiovascular system
• 10% of mice with an aberrant origin of the right subclavian artery
• interruptions in the aortic arch

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
DiGeorge syndrome DOID:11198 OMIM:188400
J:93588




Genotype
MGI:7834413
cn3
Allelic
Composition
Tbx1tm1Dsr/Tbx1tm1Dsr
Tg(KRT14-cre)1Amc/0
Genetic
Background
involves: 129 * C57BL/6J * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tbx1tm1Dsr mutation (0 available); any Tbx1 mutation (36 available)
Tg(KRT14-cre)1Amc mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• short palatal shelves of maxilla
• incomplete cleft in the anterior region of the palate

behavior/neurological

digestive/alimentary system
• short palatal shelves of maxilla
• incomplete cleft in the anterior region of the palate

growth/size/body
• short palatal shelves of maxilla
• incomplete cleft in the anterior region of the palate




Genotype
MGI:7834414
cn4
Allelic
Composition
Tbx1tm1Dsr/Tbx1tm1Dsr
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Genetic
Background
involves: 129 * C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
H2az2Tg(Wnt1-cre)11Rth mutation (2 available); any H2az2 mutation (27 available)
Tbx1tm1Dsr mutation (0 available); any Tbx1 mutation (36 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
N
• no palatal phenotype




Genotype
MGI:7840105
cn5
Allelic
Composition
Tbx1tm1Dsr/Tbx1tm1.1Dsr
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Genetic
Background
involves: 129 * C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
H2az2Tg(Wnt1-cre)11Rth mutation (2 available); any H2az2 mutation (27 available)
Tbx1tm1.1Dsr mutation (0 available); any Tbx1 mutation (36 available)
Tbx1tm1Dsr mutation (0 available); any Tbx1 mutation (36 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• delayed ossification

hearing/vestibular/ear
• delayed ossification

mortality/aging

respiratory system

skeleton
• delayed ossification




Genotype
MGI:7834412
cn6
Allelic
Composition
Tbx1tm1Dsr/Tbx1tm1Dsr
Twist2tm1.1(cre)Dor/Twist2+
Genetic
Background
involves: 129X1/SvJ * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tbx1tm1Dsr mutation (0 available); any Tbx1 mutation (36 available)
Twist2tm1.1(cre)Dor mutation (1 available); any Twist2 mutation (10 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
N
• no palatal phenotype




Genotype
MGI:7840103
cn7
Allelic
Composition
Tbx1tm1Dsr/Tbx1tm1.1Dsr
Twist2tm1.1(cre)Dor/Twist2+
Genetic
Background
involves: 129X1/SvJ * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tbx1tm1.1Dsr mutation (0 available); any Tbx1 mutation (36 available)
Tbx1tm1Dsr mutation (0 available); any Tbx1 mutation (36 available)
Twist2tm1.1(cre)Dor mutation (1 available); any Twist2 mutation (10 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

craniofacial
N
• mice exhibit normal open anterior or posterior fontanelles, as well as cranial sutures
• in more than half of mice
• reduced in size
• fusion between the hyoid bone and thyroid cartilage
• delayed ossification

hearing/vestibular/ear
• delayed ossification

respiratory system

behavior/neurological

skeleton
• in more than half of mice
• reduced in size
• fusion between the hyoid bone and thyroid cartilage
• delayed ossification
• hypoplastic ossification
• lack of sub-periosteal bone formation within the hyoid bone




Genotype
MGI:7840104
cn8
Allelic
Composition
Tbx1tm1Dsr/Tbx1tm1.1Dsr
Mesp1tm2(cre)Ysa/Mesp1+
Genetic
Background
involves: C57BL/6J * C57BL/6NCrlj * CBA/JNCrlj
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mesp1tm2(cre)Ysa mutation (3 available); any Mesp1 mutation (18 available)
Tbx1tm1.1Dsr mutation (0 available); any Tbx1 mutation (36 available)
Tbx1tm1Dsr mutation (0 available); any Tbx1 mutation (36 available)
phenotype observed in females
phenotype observed in males
N normal phenotype




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
03/18/2025
MGI 6.24
The Jackson Laboratory