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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Erc1Gt(RRF343)Byg
gene trap RRF343, BayGenomics
MGI:4127703
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Erc1Gt(RRF343)Byg/Erc1Gt(RRF343)Byg involves: 129P2/OlaHsd * C57BL/6 MGI:4838251
ht2
 		Erc1Gt(RRF343)Byg/Erc1+ involves: 129P2/OlaHsd * C57BL/6 MGI:4838252


Genotype
MGI:4838251
hm1
Allelic
Composition		 Erc1Gt(RRF343)Byg/Erc1Gt(RRF343)Byg
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Erc1Gt(RRF343)Byg mutation (0 available); any Erc1 mutation (61 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:4838252
ht2
Allelic
Composition		 Erc1Gt(RRF343)Byg/Erc1+
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Erc1Gt(RRF343)Byg mutation (0 available); any Erc1 mutation (61 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
increased mortality induced by ionizing radiation ( J:165643 )
• increase in sensitivity to IR induced lethality
• this effect is more significant in males

homeostasis/metabolism
increased mortality induced by ionizing radiation ( J:165643 )
• increase in sensitivity to IR induced lethality
• this effect is more significant in males




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
09/30/2025
MGI 6.24 		The Jackson Laboratory