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Phenotypes Associated with This Genotype
Genotype
MGI:3820403
Allelic
Composition
Gata1tm4Sho/Y
Gata2tm2Sho/Gata2tm2Sho
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gata1tm4Sho mutation (0 available); any Gata1 mutation (46 available)
Gata2tm2Sho mutation (0 available); any Gata2 mutation (29 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mice begin to die at late E10.5

hematopoietic system
N
• despite disruptions in erythropoiesis and megakaryopoiesis, granulocytes and macrophages form normally
• erythropoeisis is arrested in maturation at a precursor stage
• no megakaryocyte colonies can be generated from yolk sac cells unlike when wild-type cells are cultured


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
03/31/2026
MGI 6.24
The Jackson Laboratory