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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Apobtm1Bres
targeted mutation 1, Jan L Breslow
MGI:2157090
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Apobtm1Bres/Apobtm1Bres involves: 129S4/SvJae * C57BL/6J MGI:2661892
ht2
Apobtm1Bres/Apob+ involves: 129S4/SvJae * C57BL/6J MGI:2661773


Genotype
MGI:2661892
hm1
Allelic
Composition
Apobtm1Bres/Apobtm1Bres
Genetic
Background
involves: 129S4/SvJae * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Apobtm1Bres mutation (0 available); any Apob mutation (221 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:2661773
ht2
Allelic
Composition
Apobtm1Bres/Apob+
Genetic
Background
involves: 129S4/SvJae * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Apobtm1Bres mutation (0 available); any Apob mutation (221 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• mild reduction in sperm count
• decreased sperm viability was observed in vitro
• approximately 80% of sperm were immotile
• motile sperm that bound the zona pellucida became immotile
• 60% were unable to produce offspring
• sperm could bind but not penetrate the zona pellucida

cellular
• mild reduction in sperm count
• decreased sperm viability was observed in vitro
• approximately 80% of sperm were immotile
• motile sperm that bound the zona pellucida became immotile





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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
04/23/2024
MGI 6.23
The Jackson Laboratory