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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Myo18atm1c(KOMP)Wtsi
targeted mutation 1c, Wellcome Trust Sanger Institute
MGI:5513804
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
 		Myo18atm1c(KOMP)Wtsi/Myo18atm1c(KOMP)Wtsi
Gt(ROSA)26Sortm1(EYFP)Cos/Gt(ROSA)26Sor+
Lyz2tm1(cre)Ifo/Lyz2+ 		involves: 129P2/OlaHsd * 129S4/SvJaeSor * 129X1/SvJ * C57BL/6N MGI:6360589
cn2
 		Myo18atm1c(KOMP)Wtsi/Myo18atm1c(KOMP)Wtsi
Gt(ROSA)26Sortm1(EYFP)Cos/Gt(ROSA)26Sor+
Tg(Tnnt2-cre)5Blh/0 		involves: 129S4/SvJaeSor * 129X1/SvJ * C57BL/6 * C57BL/6N * DBA/2 MGI:6360587


Genotype
MGI:6360589
cn1
Allelic
Composition		 Myo18atm1c(KOMP)Wtsi/Myo18atm1c(KOMP)Wtsi
Gt(ROSA)26Sortm1(EYFP)Cos/Gt(ROSA)26Sor+
Lyz2tm1(cre)Ifo/Lyz2+
Genetic
Background		 involves: 129P2/OlaHsd * 129S4/SvJaeSor * 129X1/SvJ * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1(EYFP)Cos mutation (24 available); any Gt(ROSA)26Sor mutation (1058 available)
Lyz2tm1(cre)Ifo mutation (16 available); any Lyz2 mutation (40 available)
Myo18atm1c(KOMP)Wtsi mutation (1 available); any Myo18a mutation (126 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
immune system
immune system phenotype ( J:277320 )
N
• no differences in the morphological polarization, motility, or chemotactic efficiency of macrophages are seen in a complement C5a gradient chemotaxis assay
• macrophages exhibit normal Golgi morphology




Genotype
MGI:6360587
cn2
Allelic
Composition		 Myo18atm1c(KOMP)Wtsi/Myo18atm1c(KOMP)Wtsi
Gt(ROSA)26Sortm1(EYFP)Cos/Gt(ROSA)26Sor+
Tg(Tnnt2-cre)5Blh/0
Genetic
Background		 involves: 129S4/SvJaeSor * 129X1/SvJ * C57BL/6 * C57BL/6N * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1(EYFP)Cos mutation (24 available); any Gt(ROSA)26Sor mutation (1058 available)
Myo18atm1c(KOMP)Wtsi mutation (1 available); any Myo18a mutation (126 available)
Tg(Tnnt2-cre)5Blh mutation (1 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
lethality throughout fetal growth and development, complete penetrance ( J:277320 )
• no mice are produced and only remnants of embryos are detected at E14.5




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