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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Myrf+
wild type
MGI:5446629
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Myrfem1(IMPC)Bay/Myrf+ C57BL/6N-Myrfem1(IMPC)Bay/BayMmucd MGI:6731383
cn2
 		Myrftm1Barr/Myrf+
Tg(rx3-icre)1Mjam/0 		involves: 129P2/OlaHsd * C57BL/6J MGI:6383124


Genotype
MGI:6731383
ht1
Allelic
Composition		 Myrfem1(IMPC)Bay/Myrf+
Genetic
Background		 C57BL/6N-Myrfem1(IMPC)Bay/BayMmucd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Myrfem1(IMPC)Bay mutation (1 available); any Myrf mutation (102 available)
Data Sources
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
embryo

growth/size/body
embryonic growth retardation ( J:211773 )
IMPC - BCM
abnormal embryo size ( J:211773 )
IMPC - BCM

vision/eye




Genotype
MGI:6383124
cn2
Allelic
Composition		 Myrftm1Barr/Myrf+
Tg(rx3-icre)1Mjam/0
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Myrftm1Barr mutation (1 available); any Myrf mutation (102 available)
Tg(rx3-icre)1Mjam mutation (0 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
vision/eye
retina degeneration ( J:275842 )
• late onset; less severe than in mice homozygous for the conditional allele

pigmentation




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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Send questions and comments to User Support. 		last database update
01/06/2026
MGI 6.24 		The Jackson Laboratory