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Phenotypes Associated with This Genotype
Genotype
MGI:5433577
Allelic
Composition
Esr1tm1.1Gust/Esr1tm1.1Gust
Genetic
Background
B6.129X1-Esr1tm1.1Gust
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Esr1tm1.1Gust mutation (1 available); any Esr1 mutation (72 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• hemorrhagic polycystic ovaries at 10 weeks of age that become more severe at 1 year of age
• hemorrhagic polycystic ovaries at 10 weeks of age that become more severe at 1 year of age
• rudimentary at 10 weeks of age and severely hypoplastic at 1 year of age

growth/size/body
• hemorrhagic polycystic ovaries at 10 weeks of age that become more severe at 1 year of age
• significant in females at 4 months of age and increases with age
• females

homeostasis/metabolism
• basal blood levels are increased in females

cardiovascular system
• hemorrhagic polycystic ovaries at 10 weeks of age that become more severe at 1 year of age

endocrine/exocrine glands
• hemorrhagic polycystic ovaries at 10 weeks of age that become more severe at 1 year of age
• ductal elongation fails to reach the lymph nodes at 7 weeks of age
• hemorrhagic polycystic ovaries at 10 weeks of age that become more severe at 1 year of age

integument
• ductal elongation fails to reach the lymph nodes at 7 weeks of age


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