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Phenotypes Associated with This Genotype
Genotype
MGI:5425003
Allelic
Composition
Acta1tm1Hrd/Acta1+
Tg(ACTA1-FHL1)#Cmit/?
Genetic
Background
either: (involves: 129S1/Sv * 129X1/SvJ * FVB/N) or (involves: 129S1/Sv * 129X1/SvJ * C57BL/6JArc * FVB/N)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Acta1tm1Hrd mutation (1 available); any Acta1 mutation (15 available)
Tg(ACTA1-FHL1)#Cmit mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
N
• mobility in open field tests is normal
• forearm grip strength is improved

mortality/aging
• survival is not affected by the presence of the transgene

muscle
• nemaline rod pathology is improved
• increased myofiber size


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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last database update
01/28/2026
MGI 6.24
The Jackson Laboratory