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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Efs+
wild type
MGI:2433550
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Efstm1Kale/Efs+ either: (involves: 129X1/SvJ) or (involves: 129X1/SvJ * C57BL/6J) MGI:3611471


Genotype
MGI:3611471
ht1
Allelic
Composition
Efstm1Kale/Efs+
Genetic
Background
either: (involves: 129X1/SvJ) or (involves: 129X1/SvJ * C57BL/6J)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Efstm1Kale mutation (0 available); any Efs mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• increase in IgA levels in response to NP-KLH immunization
• increase in total IgG and IgG1 levels in response to NP-KLH immunization
• exhibit enhanced effector immune response
• exhibit shortened, blunt villi, expanded laminae propriae, and enlarged crypts, indicating a lower level of inflammation than in homozygotes

digestive/alimentary system
• exhibit shortened, blunt villi, expanded laminae propriae, and enlarged crypts, indicating a lower level of inflammation than in homozygotes

hematopoietic system
• increase in IgA levels in response to NP-KLH immunization
• increase in total IgG and IgG1 levels in response to NP-KLH immunization





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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
03/24/2026
MGI 6.24
The Jackson Laboratory