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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Rp1+
wild type
MGI:2437881
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Rp1tm1Eap/Rp1+ involves: 129S6/SvEvTac * C57BL/6 MGI:3653271
ht2
Rp1tm1Jnz/Rp1+ involves: 129S7/SvEvBrd MGI:4354114
cx3
Rp1tm1Jnz/Rp1+
Rp1l1tm1Jnz/Rp1l1+
involves: 129S7/SvEvBrd MGI:4354113


Genotype
MGI:3653271
ht1
Allelic
Composition
Rp1tm1Eap/Rp1+
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rp1tm1Eap mutation (0 available); any Rp1 mutation (121 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• cone b-waves are reduced significantly at 4-8 months of age
• saturating amplitude of the rod a-wave is reduced by 58% in 4-5 week old homozygotes and is practically absent at 4-8 months of age




Genotype
MGI:4354114
ht2
Allelic
Composition
Rp1tm1Jnz/Rp1+
Genetic
Background
involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rp1tm1Jnz mutation (0 available); any Rp1 mutation (121 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• maximum scoptic a-wave amplitudes are slightly reduced at 6 months of age
• flash sensitivity of rod photoreceptors is reduced about 50% at 3-4 weeks of age
• amplitudes of saturating responses are significantly decreased by 22%




Genotype
MGI:4354113
cx3
Allelic
Composition
Rp1tm1Jnz/Rp1+
Rp1l1tm1Jnz/Rp1l1+
Genetic
Background
involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rp1l1tm1Jnz mutation (0 available); any Rp1l1 mutation (81 available)
Rp1tm1Jnz mutation (0 available); any Rp1 mutation (121 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• mice at 6 months of age have OS abnormalities similar to Rp1l1tm1Jnz homozygotes
• 16% of mice have swirling discs in the OS compared to under 3% for controls
• the a-wave amplitudes of 6 month old mice are similar to those in Rp1l1tm1Jnz homozygotes (i.e. 70% of normal)
• flash sensitivity of rod photoreceptors is reduced about 50% at 3-4 weeks of age

nervous system
• mice at 6 months of age have OS abnormalities similar to Rp1l1tm1Jnz homozygotes
• 16% of mice have swirling discs in the OS compared to under 3% for controls





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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
01/28/2026
MGI 6.24
The Jackson Laboratory