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Phenotypes Associated with This Genotype
Genotype
MGI:7718678
Allelic
Composition		 Nsun3tm1.2Tomik/Nsun3tm1.2Tomik
Genetic
Background		 involves: C57BL/6 * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nsun3tm1.2Tomik mutation (0 available); any Nsun3 mutation (19 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
embryonic lethality during organogenesis, complete penetrance ( J:336777 )
• embryos are alive at E10.5 but die before E12.5

growth/size/body
decreased embryo size ( J:336777 )
• E10.5 and E12.5 embryos are small

embryo
decreased embryo size ( J:336777 )
• E10.5 and E12.5 embryos are small

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
01/28/2026
MGI 6.24 		The Jackson Laboratory