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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tbx1tm6(cre)Bld
targeted mutation 6, Antonio Baldini
MGI:3757964
Summary 10 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Tbx1tm6(cre)Bld/Tbx1+ involves: C57BL/6J MGI:5583884
ht2
Tbx1tm1Bld/Tbx1tm6(cre)Bld involves: 129S7/SvEvBrd MGI:5551756
cn3
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/Gt(ROSA)26Sor+
Tbx1tm6(cre)Bld/Tbx1+
involves: 129 * C57BL/6 * SJL MGI:5551752
cn4
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/Gt(ROSA)26Sortm1(Tbx1/GFP)Bem
Tbx1tm6(cre)Bld/Tbx1+
involves: 129 * C57BL/6 * SJL MGI:5551753
cn5
Slc12a2tm1.1Jheb/Slc12a2tm1.1Jheb
Tbx1tm6(cre)Bld/Tbx1+
Tg(Pax2-cre)1Akg/0
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:5538349
cn6
Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+
Tbx1tm3.1Bld/Tbx1tm6(cre)Bld
involves: 129S4/SvJaeSor * 129S7/SvEvBrd MGI:4453458
cn7
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/Gt(ROSA)26Sortm1(Tbx1/GFP)Bem
Tbx1tm1Bld/Tbx1tm6(cre)Bld
involves: 129S7/SvEvBrd * C57BL/6 * SJL MGI:5551755
cn8
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/Gt(ROSA)26Sor+
Tbx1tm1Bld/Tbx1tm6(cre)Bld
involves: 129S7/SvEvBrd * C57BL/6 * SJL MGI:5551754
cn9
Setd5tm1c(EUCOMM)Wtsi/Setd5tm1c(EUCOMM)Wtsi
Tbx1tm6(cre)Bld/Tbx1+
involves: C57BL/6N MGI:7543765
cx10
Smad7Gt(YHC053)Byg/Smad7+
Tbx1tm6(cre)Bld/Tbx1+
involves: 129P2/OlaHsd * C57BL/6J MGI:5583882


Genotype
MGI:5583884
ht1
Allelic
Composition
Tbx1tm6(cre)Bld/Tbx1+
Genetic
Background
involves: C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• 47% of E15.5 fetuses show great vessel defects




Genotype
MGI:5551756
ht2
Allelic
Composition
Tbx1tm1Bld/Tbx1tm6(cre)Bld
Genetic
Background
involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tbx1tm1Bld mutation (1 available); any Tbx1 mutation (34 available)
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system




Genotype
MGI:5551752
cn3
Allelic
Composition
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/Gt(ROSA)26Sor+
Tbx1tm6(cre)Bld/Tbx1+
Genetic
Background
involves: 129 * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem mutation (1 available); any Gt(ROSA)26Sor mutation (944 available)
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
N
• mice exhibit normal heart development at E14.5

hearing/vestibular/ear
N
• mice do not exhibit any morphological defects in the inner ear




Genotype
MGI:5551753
cn4
Allelic
Composition
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/Gt(ROSA)26Sortm1(Tbx1/GFP)Bem
Tbx1tm6(cre)Bld/Tbx1+
Genetic
Background
involves: 129 * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem mutation (1 available); any Gt(ROSA)26Sor mutation (944 available)
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Heart development defects in Tbx1tm6(cre)Bld/Tbx1+ Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/Gt(ROSA)26Sortm1(Tbx1/GFP)Bem mice

mortality/aging
• no mice are present at P10

cardiovascular system




Genotype
MGI:5538349
cn5
Allelic
Composition
Slc12a2tm1.1Jheb/Slc12a2tm1.1Jheb
Tbx1tm6(cre)Bld/Tbx1+
Tg(Pax2-cre)1Akg/0
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Slc12a2tm1.1Jheb mutation (0 available); any Slc12a2 mutation (58 available)
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
Tg(Pax2-cre)1Akg mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological

hearing/vestibular/ear
• collapse of the membranes of the vestibular compartments
• cristae degeneration




Genotype
MGI:4453458
cn6
Allelic
Composition
Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+
Tbx1tm3.1Bld/Tbx1tm6(cre)Bld
Genetic
Background
involves: 129S4/SvJaeSor * 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1Sor mutation (8 available); any Gt(ROSA)26Sor mutation (944 available)
Tbx1tm3.1Bld mutation (1 available); any Tbx1 mutation (34 available)
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• abnormal lymphatic vessels fail to extend into distal mesentery unlike in wild-type mice
• between E15.5 and E16.5, lymphatic vessels are almost completely lost unlike in wild-type mice




Genotype
MGI:5551755
cn7
Allelic
Composition
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/Gt(ROSA)26Sortm1(Tbx1/GFP)Bem
Tbx1tm1Bld/Tbx1tm6(cre)Bld
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem mutation (1 available); any Gt(ROSA)26Sor mutation (944 available)
Tbx1tm1Bld mutation (1 available); any Tbx1 mutation (34 available)
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Gt(ROSA)26Sortm1(Tbx1/GFP)Bem can patially rescue heart phenotypes in Tbx1tm6(cre)Bld/Tbx1tm1Bld mice

cardiovascular system
• in 5 of 6 mice




Genotype
MGI:5551754
cn8
Allelic
Composition
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/Gt(ROSA)26Sor+
Tbx1tm1Bld/Tbx1tm6(cre)Bld
Genetic
Background
involves: 129S7/SvEvBrd * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1(Tbx1/GFP)Bem mutation (1 available); any Gt(ROSA)26Sor mutation (944 available)
Tbx1tm1Bld mutation (1 available); any Tbx1 mutation (34 available)
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Failure of inner ear morphogenesis in Tbx1tm1Bld/Tbx1tm1Bld mice at E14.5 and partial rescue of inner ear morphogenesis in Tbx1tm6(cre)Bld/Tbx1tm1Bld Gt(ROSA)26Sortm1(Tbx1/GFP)Bem/ Gt(ROSA)26Sor+ mice

hearing/vestibular/ear
N
• recovery of the anterior and posterior semicircular canals compared with null mice
• partial rescue with null mice
• partial rescue with null mice

cardiovascular system
• in half of mice




Genotype
MGI:7543765
cn9
Allelic
Composition
Setd5tm1c(EUCOMM)Wtsi/Setd5tm1c(EUCOMM)Wtsi
Tbx1tm6(cre)Bld/Tbx1+
Genetic
Background
involves: C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Setd5tm1c(EUCOMM)Wtsi mutation (0 available); any Setd5 mutation (120 available)
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
N
• at E15.5, hearts show no great vessel defects; outflow tract septation is largely normal and the atrial septum and atrioventricular valves are intact




Genotype
MGI:5583882
cx10
Allelic
Composition
Smad7Gt(YHC053)Byg/Smad7+
Tbx1tm6(cre)Bld/Tbx1+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smad7Gt(YHC053)Byg mutation (1 available); any Smad7 mutation (53 available)
Tbx1tm6(cre)Bld mutation (1 available); any Tbx1 mutation (34 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• 52% of E15.5 fetuses show great vessel defects





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last database update
05/07/2024
MGI 6.23
The Jackson Laboratory