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Phenotypes Associated with This Genotype
Genotype
MGI:6827448
Allelic
Composition
Gt(ROSA)26Sortm1(EYFP)Cos/Gt(ROSA)26Sortm1(EYFP)Cos
Pax7tm1(cre/ERT2)Gaka/Pax7tm1(cre/ERT2)Gaka
Paxbp1tm1.1Nju/Paxbp1tm1.1Nju
Genetic
Background
involves: 129S6/SvEvTac * 129X1/SvJ * C57BL/6NCr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1(EYFP)Cos mutation (23 available); any Gt(ROSA)26Sor mutation (1095 available)
Pax7tm1(cre/ERT2)Gaka mutation (1 available); any Pax7 mutation (37 available)
Paxbp1tm1.1Nju mutation (0 available); any Paxbp1 mutation (45 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• fragmented mitochondria, largely restricted to perinuclear region, lacking interconnecting tubular network in activated muscle stem cells
• defective cellular respiration and glycolysis
• defective cellular respiration and glycolysis
• defective mitochondrial biogenesis in activated muscle stem cells
• defective cellular respiration and glycolysis

muscle
• virtual absence of regenerating myofibers 5 days after injection of cardiotoxin (CTX) into the tibialis anterior (TA) muscles and no muscle regeneration after 14 nor 30 days
• adipocyte infiltration 30 days after injection of cardiotoxin (CTX) into the tibialis anterior (TA) muscles


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
03/18/2025
MGI 6.24
The Jackson Laboratory