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Phenotypes Associated with This Genotype
Genotype
MGI:3723303
Allelic
Composition
Shbtm1.1Miwe/Shbtm1.1Miwe
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Shbtm1.1Miwe mutation (0 available); any Shb mutation (29 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• fewer than expected embryos are born
• however, mice that are born are viable, fertile and show no obvious defects

embryo
• mice produced from null parents exhibit severe malformations including resorptions or loss of embryo structures and mild malformations including tail rotation defects, neural tube closure defects or superficial hemorrhaging
• some mice have an open neural tube

cardiovascular system
• some mice exhibit external hemorrhaging

limbs/digits/tail
• some mice have tail defects such as a twisted tail

nervous system
• some mice have an open neural tube


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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Funding Information
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last database update
01/28/2026
MGI 6.24
The Jackson Laboratory