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Phenotypes Associated with This Genotype
Genotype
MGI:5469308
Allelic
Composition		 Gt(ROSA)26Sor/Gt(ROSA)26Sor
Igs4tm1Hsas/Igs4tm1Hsas
Genetic
Background		 involves: 129S4/SvJae * 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sor mutation (17 available); any Gt(ROSA)26Sor mutation (1062 available)
Igs4tm1Hsas mutation (0 available); any Igs4 mutation (0 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
cellular
abnormal cell physiology ( J:192826 )
• the reporter is post-transcriptionally repressed after the time of pachytene piRNA generation
• however, no change in reporter locus methylation is detected

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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Funding Information
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Send questions and comments to User Support. 		last database update
01/06/2026
MGI 6.24 		The Jackson Laboratory