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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Smug1tm1a(EUCOMM)Hmgu
targeted mutation 1a, Helmholtz Zentrum Muenchen GmbH
MGI:4435952
Summary 6 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu involves: C57BL/6 * C57BL/6N MGI:5505260
hm2
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu involves: C57BL/6 * C57BL/6N MGI:5507884
cx3
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Ungtm1Tld/Ungtm1Tld
involves: 129P2/OlaHsd * C57BL/6 * C57BL/6N MGI:5505261
cx4
Msh2tm1Htr/Msh2tm1Htr
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Ungtm1Tld/Ungtm1Tld
involves: 129P2/OlaHsd * C57BL/6 * C57BL/6N MGI:5505262
cx5
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Ungtm1Tld/Ungtm1Tld
involves: 129P2/OlaHsd * C57BL/6 * C57BL/6N MGI:5507885
cx6
Msh2tm1Htr/Msh2tm1Htr
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Ungtm1Tld/Ungtm1Tld
involves: 129P2/OlaHsd * C57BL/6 * C57BL/6N MGI:5507886


Genotype
MGI:5505260
hm1
Allelic
Composition
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Genetic
Background
involves: C57BL/6 * C57BL/6N
Cell Lines HEPD0529_1_C05
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smug1tm1a(EUCOMM)Hmgu mutation (0 available); any Smug1 mutation (14 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• mice exhibit normal life expectancy

cellular
• mouse embryonic fibroblasts are resistant to 5-hydroxymethyluridine toxicity compared with wild-type cells
• mice lack 5-hydroxymethyluracil excision activity compared with wild-type mice
• liver cells exhibit reduced 5-fluorouracil excision activity compared with wild-type cells

homeostasis/metabolism
• mice lack 5-hydroxymethyluracil excision activity compared with wild-type mice
• liver cells exhibit reduced 5-fluorouracil excision activity compared with wild-type cells




Genotype
MGI:5507884
hm2
Allelic
Composition
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Genetic
Background
involves: C57BL/6 * C57BL/6N
Cell Lines HEPD0529_1_B07
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smug1tm1a(EUCOMM)Hmgu mutation (0 available); any Smug1 mutation (14 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• mice exhibit normal life expectancy

cellular
• mouse embryonic fibroblasts are resistant to 5-hydroxymethyluridine toxicity compared with wild-type cells
• mice lack 5-hydroxymethyluracil excision activity compared with wild-type mice
• liver cells exhibit reduced 5-fluorouracil excision activity compared with wild-type cells

homeostasis/metabolism
• mice lack 5-hydroxymethyluracil excision activity compared with wild-type mice
• liver cells exhibit reduced 5-fluorouracil excision activity compared with wild-type cells




Genotype
MGI:5505261
cx3
Allelic
Composition
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Ungtm1Tld/Ungtm1Tld
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * C57BL/6N
Cell Lines HEPD0529_1_C05
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smug1tm1a(EUCOMM)Hmgu mutation (0 available); any Smug1 mutation (14 available)
Ungtm1Tld mutation (0 available); any Ung mutation (23 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• mice exhibit normal life expectancy

cellular
• liver cells exhibit non-additive reduced 5-fluorouracil excision activity compared with wild-type cells
• mice lack uracil excision activity from a double-stranded oligodeoxyribonucleotide substrate containing a U:G mismatch

homeostasis/metabolism
• liver cells exhibit non-additive reduced 5-fluorouracil excision activity compared with wild-type cells
• mice lack uracil excision activity from a double-stranded oligodeoxyribonucleotide substrate containing a U:G mismatch




Genotype
MGI:5505262
cx4
Allelic
Composition
Msh2tm1Htr/Msh2tm1Htr
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Ungtm1Tld/Ungtm1Tld
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * C57BL/6N
Cell Lines HEPD0529_1_C05
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Msh2tm1Htr mutation (1 available); any Msh2 mutation (95 available)
Smug1tm1a(EUCOMM)Hmgu mutation (0 available); any Smug1 mutation (14 available)
Ungtm1Tld mutation (0 available); any Ung mutation (23 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mean life expectancy is 107 days compared with 223 days for Msh2tm1Htr homozygotes
• fewer than expected mice are identified at weaning

neoplasm
• in all mice that die
• in 4 of 5 mice with tumors




Genotype
MGI:5507885
cx5
Allelic
Composition
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Ungtm1Tld/Ungtm1Tld
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * C57BL/6N
Cell Lines HEPD0529_1_B07
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smug1tm1a(EUCOMM)Hmgu mutation (0 available); any Smug1 mutation (14 available)
Ungtm1Tld mutation (0 available); any Ung mutation (23 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• mice exhibit normal life expectancy

cellular
• liver cells exhibit non-additive reduced 5-fluorouracil excision activity compared with wild-type cells
• mice lack uracil excision activity from a double-stranded oligodeoxyribonucleotide substrate containing a U:G mismatch

homeostasis/metabolism
• liver cells exhibit non-additive reduced 5-fluorouracil excision activity compared with wild-type cells
• mice lack uracil excision activity from a double-stranded oligodeoxyribonucleotide substrate containing a U:G mismatch




Genotype
MGI:5507886
cx6
Allelic
Composition
Msh2tm1Htr/Msh2tm1Htr
Smug1tm1a(EUCOMM)Hmgu/Smug1tm1a(EUCOMM)Hmgu
Ungtm1Tld/Ungtm1Tld
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * C57BL/6N
Cell Lines HEPD0529_1_B07
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Msh2tm1Htr mutation (1 available); any Msh2 mutation (95 available)
Smug1tm1a(EUCOMM)Hmgu mutation (0 available); any Smug1 mutation (14 available)
Ungtm1Tld mutation (0 available); any Ung mutation (23 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mean life expectancy is 107 days compared with 223 days for Msh2tm1Htr homozygotes
• fewer than expected mice are identified at weaning

neoplasm
• in all mice that die
• in 4 of 5 mice with tumors





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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
04/30/2024
MGI 6.23
The Jackson Laboratory