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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Otx2tm12.1Asim
targeted mutation 12.1, Antonio Simeone
MGI:5573195
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Otx2tm12.1Asim/Otx2tm12.1Asim involves: 129P2/OlaHsd * C57BL/6 * DBA/2 MGI:5573220
ht2
Otx2tm12.1Asim/Otx2+ involves: 129P2/OlaHsd * C57BL/6 * DBA/2 MGI:5573221
ht3
Otx2tm12.1Asim/Otx2tm11Asim involves: 129P2/OlaHsd * C57BL/6 * DBA/2 MGI:5573224


Genotype
MGI:5573220
hm1
Allelic
Composition
Otx2tm12.1Asim/Otx2tm12.1Asim
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Otx2tm12.1Asim mutation (1 available); any Otx2 mutation (50 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• mice are viable

vision/eye
N
• normal Mueller glia and amacrine cell numbers at P30
• disorganized in some mice
• in some mice
• in some mice
• bilateral in 2 of 30 mice
• rosette-like structures in some mice
• in mice older than 10 months
• however, numbers at P30 are normal
• in the outer nuclear layer at P30
• reduced red/green sensitive cones in most of the retina at P30 and in mice older than P300
• reduced numbers at P30
• reduced numbers in the inner nuclear layer
• at P14 and progressively worse with age
• in some mice
• bilateral in 2 of 30 mice
• undetectable at P30
• reduced b-wave under scotopic conditions at P30
• reduced a-wave under scotopic conditions at P60
• increased a-wave and b-wave latency at P60 under scotopic conditions
• mice fail to respond in a visual acuity test

nervous system
N
• mice exhibit normal head development
• in mice older than 10 months
• however, numbers at P30 are normal
• in the outer nuclear layer at P30
• reduced red/green sensitive cones in most of the retina at P30 and in mice older than P300
• reduced numbers at P30
• reduced numbers in the inner nuclear layer
• disorganized in some mice

pigmentation




Genotype
MGI:5573221
ht2
Allelic
Composition
Otx2tm12.1Asim/Otx2+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Otx2tm12.1Asim mutation (1 available); any Otx2 mutation (50 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
N
• mice exhibit normal photopic ERG responses
• in mice older than 10 months
• reduced red/green sensitive cones in most of the retina in mice older than P300
• reduced a-wave and b-wave under scotopic conditions at P120
• increased a-wave and b-wave latency at P120 under scotopic conditions

nervous system
• in mice older than 10 months
• reduced red/green sensitive cones in most of the retina in mice older than P300




Genotype
MGI:5573224
ht3
Allelic
Composition
Otx2tm12.1Asim/Otx2tm11Asim
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Otx2tm11Asim mutation (1 available); any Otx2 mutation (50 available)
Otx2tm12.1Asim mutation (1 available); any Otx2 mutation (50 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

nervous system

growth/size/body





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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
05/07/2024
MGI 6.23
The Jackson Laboratory