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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Wdr19twto
twinkle-toes
MGI:5315747
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Wdr19twto/Wdr19twto involves: FVB/NJ MGI:5315749
ht2
Wdr19dmhd/Wdr19twto involves: FVB/NJ MGI:5315751


Genotype
MGI:5315749
hm1
Allelic
Composition
Wdr19twto/Wdr19twto
Genetic
Background
involves: FVB/NJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Wdr19twto mutation (0 available); any Wdr19 mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

cellular
• decrease in the percentage of cells with cilium in serum starved MEFs

muscle
• major disruption to the organization of the medial and lateral myotome
• major disruption to the organization of the medial and lateral dermomyotome

skeleton
• loss or truncation of several major bones of the skull
• appears to be absent
• intraparietal bones are severely hypoplastic
• appears to be absent
• mandible rests at a wider angle resulting in an open bite in embryos
• truncated
• misshapen and truncated
• misshapen and truncated
• truncated
• digit 1 is triphalangeal rather than biphalangeal
• tibial agenesis is consistently seen
• partially split
• marked branching
• marked
• marked
• lack of curvature
• disordered arrangements
• ossification centers are misaligned

vision/eye
• in most embryos

embryo
• fewer ciliated mesenchymal cells in the limbs at E10.5
• decrease is more marked on the mesenchyme than in the epithelium
• bifurcation and incomplete separation of adjacent somite segments at E10.5 and E11.5

limbs/digits/tail
• digit 1 is triphalangeal rather than biphalangeal
• an ectopic digit is often seen anterior to digit 1
• ectopic digit tips generated by branching at the joints are sometimes present
• fore and hindlimb polydactyly
• an ectopic digit is often seen anterior to digit 1
• ectopic digit tips generated by branching at the joints are sometimes present
• tibial agenesis is consistently seen
• fewer ciliated mesenchymal cells in the limbs at E10.5
• decrease is more marked on the mesenchyme than in the epithelium
• wider limb paddle at E10.5

nervous system
• almost completely penetrant at E17.5-E18.5

craniofacial
• loss or truncation of several major bones of the skull
• appears to be absent
• intraparietal bones are severely hypoplastic
• appears to be absent
• mandible rests at a wider angle resulting in an open bite in embryos
• truncated
• misshapen and truncated
• misshapen and truncated
• truncated
• failure in the medial and lateral nasal processes to meet and fuse with each other and with the maxilla at E11.5, E12.5, and E15.5
• in some cases the shelves meet but fail to fuse at E15.5
• overall truncation of the upper face
• severe bilateral cleft lip
• palatal shelves fail to extend vertically to the tongue at E13.5 but rather appear to crowd the oral cavity above the tongue

hearing/vestibular/ear

digestive/alimentary system
• in some cases the shelves meet but fail to fuse at E15.5
• palatal shelves fail to extend vertically to the tongue at E13.5 but rather appear to crowd the oral cavity above the tongue

growth/size/body
• in some cases the shelves meet but fail to fuse at E15.5
• overall truncation of the upper face
• severe bilateral cleft lip
• palatal shelves fail to extend vertically to the tongue at E13.5 but rather appear to crowd the oral cavity above the tongue

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
ciliopathy DOID:0060340 J:181888




Genotype
MGI:5315751
ht2
Allelic
Composition
Wdr19dmhd/Wdr19twto
Genetic
Background
involves: FVB/NJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Wdr19dmhd mutation (0 available); any Wdr19 mutation (32 available)
Wdr19twto mutation (0 available); any Wdr19 mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

limbs/digits/tail
• smaller forelimb paddle at E10.5 with truncation in the proximal distal axis and to a lesser extent in the anterior-posterior axes





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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
12/10/2024
MGI 6.24
The Jackson Laboratory