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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Nans
N-acetylneuraminic acid synthase (sialic acid synthase)
MGI:2149820
11 phenotypes from 2 alleles in 2 genetic backgrounds
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Allelic Composition
Genetic Background
Annotated Term Reference
Nansem1(IMPC)Tcp/Nans+
C57BL/6N-Nansem1(IMPC)Tcp/Tcp
abnormal eye morphology J:211773
abnormal skin morphology J:211773
decreased lean body mass J:211773
increased total body fat amount J:211773
Nansem1(IMPC)Tcp/Nansem1(IMPC)Tcp
C57BL/6N-Nansem1(IMPC)Tcp/Tcp
embryonic lethality prior to tooth bud stage J:211773
prenatal lethality prior to heart atrial septation J:211773
preweaning lethality, complete penetrance J:211773
Nansem1Xce/Nans+
C57BL/6N-Nansem1Xce
abnormal neuron differentiation J:343080
impaired contextual conditioning behavior J:343080
increased thigmotaxis J:343080
Nansem1Xce/Nansem1Xce
C57BL/6N-Nansem1Xce
prenatal lethality, complete penetrance J:343080

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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
10/13/2026
MGI 6.29
The Jackson Laboratory