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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Cdx1tm1Pgr
targeted mutation 1, Peter Gruss
MGI:2154514
Summary 11 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Cdx1tm1Pgr/Cdx1tm1Pgr involves: 129 * C57BL/6 MGI:3817892
hm2
Cdx1tm1Pgr/Cdx1tm1Pgr involves: 129S1/Sv * 129X1/SvJ MGI:2662512
hm3
Cdx1tm1Pgr/Cdx1tm1Pgr involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:2662509
hm4
Cdx1tm1Pgr/Cdx1tm1Pgr involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * CBA MGI:2180351
hm5
Cdx1tm1Pgr/Cdx1tm1Pgr involves: 129S1/Sv * 129X1/SvJ * NMRI MGI:2662505
ht6
Cdx1tm1Pgr/Cdx1+ involves: 129 * C57BL/6 MGI:3817890
ht7
Cdx1tm1Lhn/Cdx1tm1Pgr involves: 129 * C57BL/6 MGI:3817893
cn8
Cdx1tm1Pgr/Cdx1tm1Pgr
Cdx2tm2Fbe/Cdx2tm2Fbe
Tg(Cyp1a1-cre/ERT)1Dwi/0
involves: 129 * C57BL/6 * CBA MGI:5308974
cn9
Cdx1tm1Pgr/Cdx1tm1Pgr
Gt(ROSA)26Sortm1(en/Cdx1,-EGFP)Npln/Gt(ROSA)26Sor+
Tg(Pax3-cre)1Joe/0
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL MGI:5774471
cx10
Cdx1tm1Pgr/Cdx1+
Rargtm1Ipc/Rargtm1Ipc
involves: 129 * C57BL/6 MGI:3817898
cx11
Cdx1tm1Pgr/Cdx1tm1Pgr
Cdx4tm1.1Jdes/Y
involves: 129 * C57BL/6 * CBA * FVB MGI:3613764


Genotype
MGI:3817892
hm1
Allelic
Composition
Cdx1tm1Pgr/Cdx1tm1Pgr
Genetic
Background
involves: 129 * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• 38% of mice are missing a rib on vertebrae 8
• 62% of mice have a fused rib on vertebrae 8
• 100% of mice have anterior tubercles that have shifted posteriorly to the seventh cervical vertebrae
• 100% of mice exhibit possible transformation of the C2 vertebrae with slightly narrower C1 neural arches and/or a short cartilaginous ectopic anterior arch of the atlas on C2
• 100% of mice have thick neural arches in the vertebrae
• 54% of mice have posterior spinous processes on V10 and sometimes V9
• 14% of mice have neural arch fusions of V1 to V4




Genotype
MGI:2662512
hm2
Allelic
Composition
Cdx1tm1Pgr/Cdx1tm1Pgr
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• broader at the posterior end and in most homozygotes, incomplete neural arches are fused to it
• the occipital condyles of the exoccipital bone are not well developed
• occasionally, the supraoccipital bone is broader
• R1 and R2 are fused unilaterally in 28% and bilaterally in 35% of mice
• anterior homeotic transformation of vertebrae, with the first vertebra developing into a more anterior structure, the basioccipital bone, and subsequent vertebrae up to the posterior thoracic ones assuming anterior identities; penetrance varies somewhat with background

craniofacial
• broader at the posterior end and in most homozygotes, incomplete neural arches are fused to it
• the occipital condyles of the exoccipital bone are not well developed
• occasionally, the supraoccipital bone is broader

embryo
• hematopoietic progenitor formation is reduced in cells derived from day 6 erythroid bodies
• but no impairment in yolk sac hematopoiesis is detected

hematopoietic system
• hematopoietic progenitor formation is reduced in cells derived from day 6 erythroid bodies
• but no impairment in yolk sac hematopoiesis is detected




Genotype
MGI:2662509
hm3
Allelic
Composition
Cdx1tm1Pgr/Cdx1tm1Pgr
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• broader at the posterior end and in most homozygotes, incomplete neural arches are fused to it
• the occipital condyles of the exoccipital bone are not well developed
• occasionally, the supraoccipital bone is broader
• R1 and R2 are fused unilaterally in 6% and bilaterally in 6% of mice
• anterior homeotic transformation of vertebrae, with the first vertebra developing into a more anterior structure, the basioccipital bone, and subsequent vertebrae up to the posterior thoracic ones assuming anterior identities; penetrance varies somewhat with background

craniofacial
• broader at the posterior end and in most homozygotes, incomplete neural arches are fused to it
• the occipital condyles of the exoccipital bone are not well developed
• occasionally, the supraoccipital bone is broader




Genotype
MGI:2180351
hm4
Allelic
Composition
Cdx1tm1Pgr/Cdx1tm1Pgr
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• thoracic to cervical transformation of V8, with the consequent loss of one rib
• 5 of 9 have their first rib on the 9th vertebrae (V9) unilaterally instead of on V8 (thoracic to cervical transformation of V8, with the consequent loss of one rib)
• 2 of 9 have the 8th rib pair attached to the sternum bilaterally and 3 of 9 have the 8th rib pair attached to the sternum unilaterally, indicating anterior transformation at the level of V15




Genotype
MGI:2662505
hm5
Allelic
Composition
Cdx1tm1Pgr/Cdx1tm1Pgr
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * NMRI
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• broader at the posterior end and in most homozygotes, incomplete neural arches are fused to it
• the occipital condyles of the exoccipital bone are not well developed
• occasionally, the supraoccipital bone is broader
• R1 and R2 are fused unilaterally in 40% and bilaterally in 28% of mice
• anterior homeotic transformation of vertebrae, with the first vertebra developing into a more anterior structure, the basioccipital bone, and subsequent vertebrae up to the posterior thoracic ones assuming anterior identities; penetrance varies somewhat with background

craniofacial
• broader at the posterior end and in most homozygotes, incomplete neural arches are fused to it
• the occipital condyles of the exoccipital bone are not well developed
• occasionally, the supraoccipital bone is broader




Genotype
MGI:3817890
ht6
Allelic
Composition
Cdx1tm1Pgr/Cdx1+
Genetic
Background
involves: 129 * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• 56% of mice exhibit possible transformation of the C2 vertebrae with slightly narrower C1 neural arches and/or a short cartilaginous ectopic anterior arch of the atlas on C2
• 26% of mice have neural arch fusions of V1 to V4




Genotype
MGI:3817893
ht7
Allelic
Composition
Cdx1tm1Lhn/Cdx1tm1Pgr
Genetic
Background
involves: 129 * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Lhn mutation (0 available); any Cdx1 mutation (13 available)
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• a fused rib occurred on vertebrae 8 in one mouse out of a group of 15
• 33% of mice have anterior tubercles that have shifted posteriorly to the seventh cervical vertebrae
• 33% of mice exhibit possible transformation of the C2 vertebrae with slightly narrower C1 neural arches and/or a short cartilaginous ectopic anterior arch of the atlas on C2
• 33% of mice have thick neural arches in the vertebrae
• 20% of mice have posterior spinous processes on V10 and sometimes V9
• 33% of mice have neural arch fusions of V1 to V4




Genotype
MGI:5308974
cn8
Allelic
Composition
Cdx1tm1Pgr/Cdx1tm1Pgr
Cdx2tm2Fbe/Cdx2tm2Fbe
Tg(Cyp1a1-cre/ERT)1Dwi/0
Genetic
Background
involves: 129 * C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
Cdx2tm2Fbe mutation (0 available); any Cdx2 mutation (22 available)
Tg(Cyp1a1-cre/ERT)1Dwi mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• cystic vesicles appear 1 week after treatment with tamoxifen and BNF, earlier than in mutant mice wild-type for Cdx1

endocrine/exocrine glands
• cystic vesicles appear 1 week after treatment with tamoxifen and BNF, earlier than in mutant mice wild-type for Cdx1




Genotype
MGI:5774471
cn9
Allelic
Composition
Cdx1tm1Pgr/Cdx1tm1Pgr
Gt(ROSA)26Sortm1(en/Cdx1,-EGFP)Npln/Gt(ROSA)26Sor+
Tg(Pax3-cre)1Joe/0
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
Gt(ROSA)26Sortm1(en/Cdx1,-EGFP)Npln mutation (0 available); any Gt(ROSA)26Sor mutation (993 available)
Tg(Pax3-cre)1Joe mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• melanoblasts migrating along the dorsolateral pathway in hindlimb buds are not well aligned in mutants

embryo
• melanoblasts migrating along the dorsolateral pathway in hindlimb buds are not well aligned in mutants

integument
• increase in penetrance and extent of white spotting in the posterior regions

nervous system
• E10.5 mutants exhibit abnormalities of the hypoglossal nerve, with the converging roots appearing disorganized and less dense and resulting in a reduced number of elongating axons that are shorter
• E10.5 embryos exhibit the presence of fusions of dorsal root ganglia in the cervical region

pigmentation
• increase in penetrance and extent of white spotting in the posterior regions




Genotype
MGI:3817898
cx10
Allelic
Composition
Cdx1tm1Pgr/Cdx1+
Rargtm1Ipc/Rargtm1Ipc
Genetic
Background
involves: 129 * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
Rargtm1Ipc mutation (1 available); any Rarg mutation (151 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• 90% of mice exhibit possible transformation of the C2 vertebrae with slightly narrower C1 neural arches and/or a short cartilaginous ectopic anterior arch of the atlas on C2
• 60% of mice have thick neural arches in the vertebrae
• 30% of mice have posterior spinous processes on V10 and sometimes V9
• 40% of mice have neural arch fusions of V1 to V4




Genotype
MGI:3613764
cx11
Allelic
Composition
Cdx1tm1Pgr/Cdx1tm1Pgr
Cdx4tm1.1Jdes/Y
Genetic
Background
involves: 129 * C57BL/6 * CBA * FVB
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx1tm1Pgr mutation (1 available); any Cdx1 mutation (13 available)
Cdx4tm1.1Jdes mutation (0 available); any Cdx4 mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• thoracic to cervical transformation of V8, with the consequent loss of one rib
• 5 of 7 have their first rib on the 9th vertebrae (V9) instead of on V8 (thoracic to cervical transformation of V8, with the consequent loss of one rib), with 3 of 5 exhibiting this transformation bilaterally
• 5 of 7 have the 8th rib pair attached to the sternum bilaterally, indicating anterior transformation at the level of V15





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