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Phenotypes Associated with This Genotype
Genotype
MGI:3851329
Allelic
Composition
B4galnt1tm1Rlp/B4galnt1tm1Rlp
St8sia1tm1Rlp/St8sia1tm1Rlp
Genetic
Background
involves: 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
B4galnt1tm1Rlp mutation (1 available); any B4galnt1 mutation (26 available)
St8sia1tm1Rlp mutation (1 available); any St8sia1 mutation (27 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• 50% of mice die by 13 weeks
• 92% of mice die by 36 weeks
• 9 of 10 mice die during the tonic phase of an audiogenic seizure due to respiratory arrest

reproductive system
• sperm maturation is defective

nervous system
N
• mice exhibit no neuronal cell loss or demyelination
• some mice exhibit spontaneous and/or handling-induced seizures unlike wild-type mice
• beginning as a brief wild-running phase and followed by a clonic-tonic seizure

respiratory system
• 9 of 10 mice die during the tonic phase of a seizure due to respiratory arrest

behavior/neurological
• some mice exhibit spontaneous and/or handling-induced seizures unlike wild-type mice
• beginning as a brief wild-running phase and followed by a clonic-tonic seizure


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
07/22/2025
MGI 6.24
The Jackson Laboratory