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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Xist+
wild type
MGI:2432398
Summary 17 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Xisttm2.1Jae/Xist+ involves: 129 MGI:3719989
ht2
Xisttm1.1Nbd/Xist+ involves: 129 * C57BL/6 MGI:3718212
ht3
Xisttm4.1Nbd/Xist+ involves: 129P2/OlaHsd MGI:3640296
ht4
Xisttm5.2Nbd/Xist+ involves: 129P2/OlaHsd MGI:4950465
ht5
Rps12-ps1/Xisttm1Nbd/Xist+ involves: 129P2/OlaHsd * C57BL/6 MGI:3718214
ht6
Xisttm3Nbd/Xist+ involves: 129P2/OlaHsd * C57BL/6 MGI:3718209
ht7
Xisttm2.1Nbd/Xist+ involves: 129P2/OlaHsd * C57BL/6 MGI:3718210
ht8
Xisttm2Nbd/Xist+ involves: 129P2/OlaHsd * C57BL/6 MGI:3718211
ht9
Rps12-ps1/Xisttm1.1Nbd/Xist+ involves: 129P2/OlaHsd * C57BL/6 MGI:3718217
ht10
Tsix/Xisttm3Sado/Xist+ involves: 129S1/Sv * 129S4/SvJae * 129X1/SvJ MGI:3772878
ht11
Xisttm4Sado/Xist+ involves: 129S1/Sv * 129S4/SvJae * 129X1/SvJ MGI:3772879
ht12
Xisttm2Sado/Xist+ involves: 129S1/Sv * 129X1/SvJ MGI:3716330
ht13
Xisttm5Sado/Xist+ involves: 129S4/SvJae MGI:3829657
ht14
Xisttm1Jae/Xist+ involves: 129S4/SvJae MGI:3719988
cx15
Tg(CAG-EGFP)D4Nagy/0
Xisttm5.2Nbd/Xist+
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ MGI:4950463
cx16
Tsixtm1Enl/Tsix+
Xisttm1Sado/Xist+
involves: 129S4/SvJae MGI:3603005
cx17
Tsixtm1Enl/Tsix+
Xisttm1Jae/Xist+
involves: 129S4/SvJae MGI:2680291


Genotype
MGI:3719989
ht1
Allelic
Composition
Xisttm2.1Jae/Xist+
Genetic
Background
involves: 129
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm2.1Jae mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• E7.0 embryos exhibit selective inactivation of the wild-type allele instead of the random inactivation observed in wild-type embryos

embryo
• when the allele is inherited paternally, female mice exhibit severe developmental defect at E7.5 compared with control mice

growth/size/body
• when the allele is inherited paternally, female mice exhibit severe developmental defect at E7.5 compared with control mice




Genotype
MGI:3718212
ht2
Allelic
Composition
Xisttm1.1Nbd/Xist+
Genetic
Background
involves: 129 * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm1.1Nbd mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
N
• X inactivation is normal




Genotype
MGI:3640296
ht3
Allelic
Composition
Xisttm4.1Nbd/Xist+
Genetic
Background
involves: 129P2/OlaHsd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm4.1Nbd mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype




Genotype
MGI:4950465
ht4
Allelic
Composition
Xisttm5.2Nbd/Xist+
Genetic
Background
involves: 129P2/OlaHsd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm5.2Nbd mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• when the allele is paternally inherited, female mice die by E10.5

embryo
• at E7.5 in female embryos when the allele is paternally inherited
• at E8.5 and E9.5 in female embryos when the allele is paternally inherited
• when the allele is paternally inherited, E9.5 female mice exhibit incomplete caudal fusion unlike wild-type mice
• when the allele is paternally inherited, female mice fail to develop a placenta unlike wild-type male mice

growth/size/body
• at E7.5 in female embryos when the allele is paternally inherited
• at E8.5 and E9.5 in female embryos when the allele is paternally inherited

cellular
• when the allele is paternally inherited, female mice fail to exhibit X-linked gene silencing compared with wild-type mice

nervous system
• when the allele is paternally inherited, E9.5 female mice exhibit incomplete caudal fusion unlike wild-type mice




Genotype
MGI:3718214
ht5
Allelic
Composition
Rps12-ps1/Xisttm1Nbd/Xist+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rps12-ps1/Xisttm1Nbd mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
N
• X inactivation is normal




Genotype
MGI:3718209
ht6
Allelic
Composition
Xisttm3Nbd/Xist+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm3Nbd mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• mice exhibit non-random X inactivation




Genotype
MGI:3718210
ht7
Allelic
Composition
Xisttm2.1Nbd/Xist+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm2.1Nbd mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• mice exhibit non-random X inactivation to a less extent than Xisttm2Nbd heterozygotes




Genotype
MGI:3718211
ht8
Allelic
Composition
Xisttm2Nbd/Xist+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm2Nbd mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• mice exhibit non-random X inactivation to a less extent than Xisttm2Nbd heterozygotes




Genotype
MGI:3718217
ht9
Allelic
Composition
Rps12-ps1/Xisttm1.1Nbd/Xist+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rps12-ps1/Xisttm1.1Nbd mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
N
• X inactivation status was not determined




Genotype
MGI:3772878
ht10
Allelic
Composition
Tsix/Xisttm3Sado/Xist+
Genetic
Background
involves: 129S1/Sv * 129S4/SvJae * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tsix/Xisttm3Sado mutation (1 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• when this allele is inherited paternally no XX female offsprings are observed 3 weeks after birth and only 1 XO female is produced although sex ratios are normal at E7.5

embryo
• authors state that when this allele is inherited maternally, mice exhibit phenotypes associated with a failure of imprinted X-inactivation as in Xisttm1Jae Tsixtm1Enl heterozygotes

cellular
• methylation at the Xist promoter is lost and histone modifications at the promoter are aberrant




Genotype
MGI:3772879
ht11
Allelic
Composition
Xisttm4Sado/Xist+
Genetic
Background
involves: 129S1/Sv * 129S4/SvJae * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm4Sado mutation (1 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• when inherited paternally this allele is embryonic lethal




Genotype
MGI:3716330
ht12
Allelic
Composition
Xisttm2Sado/Xist+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm2Sado mutation (1 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
N
• DNA methylation patterns are normal




Genotype
MGI:3829657
ht13
Allelic
Composition
Xisttm5Sado/Xist+
Genetic
Background
involves: 129S4/SvJae
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm5Sado mutation (1 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• when this allele is inherited paternally, only 2 XO females were born
• however, birth rates are normal when this allele is inherited maternally

embryo
• when this allele is inherited paternally, female mice exhibit an abnormal morphology at E6.5
• when this allele is inherited paternally, mice are stunted at E6.5
• when this allele is inherited paternally, female mice exhibit abnormal extraembryonic ectoderm at E6.5

cellular
• when this allele is inherited paternally

growth/size/body
• when this allele is inherited paternally, mice are stunted at E6.5




Genotype
MGI:3719988
ht14
Allelic
Composition
Xisttm1Jae/Xist+
Genetic
Background
involves: 129S4/SvJae
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xisttm1Jae mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• E7.0 embryos exhibit selective inactivation of the wild-type allele instead of the random inactivation observed in wild-type embryos




Genotype
MGI:4950463
cx15
Allelic
Composition
Tg(CAG-EGFP)D4Nagy/0
Xisttm5.2Nbd/Xist+
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tg(CAG-EGFP)D4Nagy mutation (2 available)
Xisttm5.2Nbd mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• when the allele is maternally inherited, mice exhibit secondary non-random X inactivation compared with wild-type mice




Genotype
MGI:3603005
cx16
Allelic
Composition
Tsixtm1Enl/Tsix+
Xisttm1Sado/Xist+
Genetic
Background
involves: 129S4/SvJae
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tsixtm1Enl mutation (1 available); any Tsix mutation (57 available)
Xisttm1Sado mutation (1 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• females that have both mutations on the paternal X chromosome die soon after implantation; however, females that have both mutations on the maternal X chromosome are viable and fertile




Genotype
MGI:2680291
cx17
Allelic
Composition
Tsixtm1Enl/Tsix+
Xisttm1Jae/Xist+
Genetic
Background
involves: 129S4/SvJae
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tsixtm1Enl mutation (1 available); any Tsix mutation (57 available)
Xisttm1Jae mutation (0 available); any Xist mutation (8 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
embryo
• 7 of 13 embryos were significantly smaller than normal at E8.5 and E9.5
• gastrulation was apparently normal however
• remaining embryos were grossly normal in size and morphology

growth/size/body
• 7 of 13 embryos were significantly smaller than normal at E8.5 and E9.5
• gastrulation was apparently normal however
• remaining embryos were grossly normal in size and morphology





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last database update
06/12/2024
MGI 6.13
The Jackson Laboratory