About   Help   FAQ
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





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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
11/12/2024
MGI 6.24
The Jackson Laboratory