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Phenotypes Associated with This Genotype
Genotype
MGI:5003149
Allelic
Composition
Osr1tm2Jian/Osr1tm2Jian
Osr2tm1Jian/Osr2tm1Jian
Tg(Prrx1-cre)1Cjt/0
Genetic
Background
involves: 129S1/Sv * C57BL/6J * SJL/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Osr1tm2Jian mutation (0 available); any Osr1 mutation (18 available)
Osr2tm1Jian mutation (1 available); any Osr2 mutation (21 available)
Tg(Prrx1-cre)1Cjt mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• mice exhibit disorganized interphalangeal and metacarpophalangeal joints compared with wild-type mice
• mice exhibit defects in joint cell differentiation compared to in wild-type mice
• wrist and ankle bones are abnormally shaped compared to in wild-type mice
• the humerus is fused to the ulna and radius unlike in wild-type mice
• the tibia is fused to the fibula at both the proximal and distal ends unlike in wild-type mice
• mice exhibit fusion of the intermediate cuneiform and navicular bones and fusion of the cuboidal and calcaneus bones unlike in wild-type mice
• mice exhibit delayed bone mineralization of the digital bones compared with wild-type mice

vision/eye


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
03/31/2026
MGI 6.24
The Jackson Laboratory