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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Fgfr1tm9.1Sor
targeted mutation 9.1, Philippe Soriano
MGI:5828623
Summary 2 genotypes


Genotype
MGI:5882538
hm1
Allelic
Composition
Fgfr1tm9.1Sor/Fgfr1tm9.1Sor
Genetic
Background
129S4/SvJaeSor-Fgfr1tm9.1Sor
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fgfr1tm9.1Sor mutation (1 available); any Fgfr1 mutation (221 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• although present at normal Mendelian ratios at birth, no homozygotes are recovered at P5-P10

craniofacial
• styloid process hypoplasia at P0
• 7 of 14 newborn homozygotes exhibit hypoplastic middle ear bones with variable expressivity
• incus hypoplasia at P0
• stapes hypoplasia at P0
• second pharyngeal arches are hypoplastic at E9.5
• 11 of 16 newborn homozygotes exhibit cleft palate

limbs/digits/tail
• all (16 of 16) newborn homozygotes exhibit postaxial polydactyly with variable expressivity
• extra digit in least severely affected mice consists of only soft tissue without cartilage or bone elements

skeleton
• styloid process hypoplasia at P0
• 7 of 14 newborn homozygotes exhibit hypoplastic middle ear bones with variable expressivity
• incus hypoplasia at P0
• stapes hypoplasia at P0
• newborn homozygotes exhibit an additional thoracic (T14) vertebra
• newborn homozygotes exhibit an L1 to T14 transformation with small ribs growing from T14

embryo
• second pharyngeal arches are hypoplastic at E9.5

hearing/vestibular/ear
• 7 of 14 newborn homozygotes exhibit hypoplastic middle ear bones with variable expressivity
• incus hypoplasia at P0
• stapes hypoplasia at P0
• tympanic ring hypoplasia at P0

growth/size/body
• 11 of 16 newborn homozygotes exhibit cleft palate

digestive/alimentary system
• 11 of 16 newborn homozygotes exhibit cleft palate




Genotype
MGI:5882544
cn2
Allelic
Composition
Fgfr1tm5.1Sor/Fgfr1tm9.1Sor
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Genetic
Background
129S4.Cg-Fgfr1tm5.1Sor Fgfr1tm9.1Sor H2az2Tg(Wnt1-cre)11Rth
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fgfr1tm5.1Sor mutation (0 available); any Fgfr1 mutation (221 available)
Fgfr1tm9.1Sor mutation (1 available); any Fgfr1 mutation (221 available)
H2az2Tg(Wnt1-cre)11Rth mutation (2 available); any H2az2 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• at P0, 1 of 7 mice exhibit clefting of the palatine and palatal process of the maxilla

growth/size/body
• at P0, 1 of 7 mice exhibit clefting of the palatine and palatal process of the maxilla

digestive/alimentary system
• at P0, 1 of 7 mice exhibit clefting of the palatine and palatal process of the maxilla





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last database update
04/23/2024
MGI 6.23
The Jackson Laboratory