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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Mtf2tm1.1Hko
targeted mutation 1.1, Haruhiko Koseki
MGI:4946491
Summary 5 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Mtf2tm1.1Hko/Mtf2tm1.1Hko B6.Cg-Mtf2tm1.1Hko MGI:4946503
cx2
Mtf2tm1.1Hko/Mtf2tm1.1Hko
Pcgf2tm1Hko/Pcgf2tm1Hko
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:4946506
cx3
Mtf2tm1.1Hko/Mtf2tm1.1Hko
Phc2tm1Hko/Phc2tm1Hko
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:4946507
cx4
Mtf2tm1.1Hko/Mtf2+
Phc2tm1Hko/Phc2tm1Hko
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:4946508
cx5
Mtf2tm1.1Hko/Mtf2tm1.1Hko
Suz12tm1Hko/Suz12+
involves: C57BL/6 MGI:4946505


Genotype
MGI:4946503
hm1
Allelic
Composition
Mtf2tm1.1Hko/Mtf2tm1.1Hko
Genetic
Background
B6.Cg-Mtf2tm1.1Hko
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mtf2tm1.1Hko mutation (0 available); any Mtf2 mutation (314 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• shifted anteriorly
• mice exhibit ectopic ribs on the seventh cervical vertebrae unlike wild-type mice
• on the first cervical vertebrae
• mice exhibit posterior transformation at thoracolumbar and lumbosacral transitions unlike wild-type mice
• 30% of mice exhibit T2 to T1 transformation
• 50% of mice exhibit T6 to T7 transformation
• 50% of mice exhibit T13 to L1 transformation
• mice exhibit ectopic ribs on the seventh cervical vertebrae unlike wild-type mice
• 50% of mice exhibit a C1 to C2 transformation
• 60% of mice exhibit a C3 to C2 transformation
• 40% of mice exhibit C7 to T1 transformation
• 40% of mice exhibit L6 to S1 transformation

cellular
• in mouse embryonic fibroblasts




Genotype
MGI:4946506
cx2
Allelic
Composition
Mtf2tm1.1Hko/Mtf2tm1.1Hko
Pcgf2tm1Hko/Pcgf2tm1Hko
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mtf2tm1.1Hko mutation (0 available); any Mtf2 mutation (314 available)
Pcgf2tm1Hko mutation (2 available); any Pcgf2 mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• no mice are observed at the perinatal stage

skeleton
• segmented, forming an ectopic arch
• 90% of mice exhibit supraoccipital bone to C1 transformation
• C7 forms perfect ribs
• at E16.5, homeotic transformations are more stringent than in single homozygotes
• 70% of mice exhibit T8 to T9 transformation
• 90% of mice exhibit T13 to L1 transformation
• C1 is identical to C2 unlike in wild-type mice
• C7 forms perfect ribs
• 70% of mice exhibit C2 to C3 transformation
• 100% of mice exhibit L6 to S1 transforamtion

craniofacial
• segmented, forming an ectopic arch
• 90% of mice exhibit supraoccipital bone to C1 transformation




Genotype
MGI:4946507
cx3
Allelic
Composition
Mtf2tm1.1Hko/Mtf2tm1.1Hko
Phc2tm1Hko/Phc2tm1Hko
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mtf2tm1.1Hko mutation (0 available); any Mtf2 mutation (314 available)
Phc2tm1Hko mutation (1 available); any Phc2 mutation (83 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mice exhibit late-gestational lethality

skeleton
• 90% of mice exhibit supraoccipital bone to C1 transformation
• 60% of mice exhibit T8 to T9 transformation
• 80% of mice exhibit T13 to L1 transformation
• 100% of mice exhibit C1 to C2 transformation
• 40% of mice exhibit C2 to C3 transformation
• 100% of mice exhibit C7 to T1 transformation
• 100% of mice exhibit L6 to S1 transformation

cellular
• in mouse embryonic fibroblasts

craniofacial
• 90% of mice exhibit supraoccipital bone to C1 transformation




Genotype
MGI:4946508
cx4
Allelic
Composition
Mtf2tm1.1Hko/Mtf2+
Phc2tm1Hko/Phc2tm1Hko
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mtf2tm1.1Hko mutation (0 available); any Mtf2 mutation (314 available)
Phc2tm1Hko mutation (1 available); any Phc2 mutation (83 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mice exhibit late-gestational lethality

skeleton




Genotype
MGI:4946505
cx5
Allelic
Composition
Mtf2tm1.1Hko/Mtf2tm1.1Hko
Suz12tm1Hko/Suz12+
Genetic
Background
involves: C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mtf2tm1.1Hko mutation (0 available); any Mtf2 mutation (314 available)
Suz12tm1Hko mutation (0 available); any Suz12 mutation (61 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• shifted anteriorly
• perfect ribs are associated with C7
• homeotic transformation is enhanced compared to in Mtf2tm1.1Hko homozygotes
• unlike in wild-type mice, a prominent spinous process is associated with T1 instead of T2
• 75% of mice exhibit T1 to T2 transformation
• 75% of mice exhibit T13 to L1 transformation
• unlike in wild-type mice, anterior tuberculums are associated with C5 instead of C6 and perfect ribs are associated with C7
• 25% of mice exhibit C1 to C2 transforamtion
• 42% of mice exhibit C2 to C3 transformation
• 42% of mice exhibit C5 to C6 transformation
• 58% of mice exhibit C6 to T1 transformation
• 92% of mice exhibit L6 to S1 transformation





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last database update
12/10/2024
MGI 6.24
The Jackson Laboratory