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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Bax+
wild type
MGI:2176703
Summary 5 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Baxtm1Sjk/Bax+ involves: 129X1/SvJ MGI:3839355
cx2
Baxtm1Sjk/Bax+
Nanos2tm1Ysa/Nanos2tm1Ysa
involves: 129S1/Sv * 129X1/SvJ MGI:3778827
cx3
Baxtm1Sjk/Bax+
Bcl2l1tm1Mam/Bcl2l1tm1Mam
involves: 129S6/SvEvTac * 129X1/SvJ * C57BL/6 MGI:2176704
cx4
Baxtm1Sjk/Bax+
Grid2Lc-J/Grid2+
involves: 129X1/SvJ * BALB/cByJ * C57BL/6 MGI:4360655
cx5
Baxtm1Sjk/Bax+
KitlSl/KitlSl
Tg(Pou5f1-GFP)1Scho/?
involves: 129X1/SvJ * C3H * CD-1 * FVB MGI:3693198


Genotype
MGI:3839355
ht1
Allelic
Composition
Baxtm1Sjk/Bax+
Genetic
Background
involves: 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Baxtm1Sjk mutation (1 available); any Bax mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• cultures of sympathetic neurons grown in the presence of NGF before being deprived of NGF, die with slower kinetics than wild-type, such that after 8 days, 14% of neurons remain viable compared to none in controls
• modest 13% increase in the total number of facial motor neurons at 4 weeks of age relative to wild-type




Genotype
MGI:3778827
cx2
Allelic
Composition
Baxtm1Sjk/Bax+
Nanos2tm1Ysa/Nanos2tm1Ysa
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Baxtm1Sjk mutation (1 available); any Bax mutation (24 available)
Nanos2tm1Ysa mutation (0 available); any Nanos2 mutation (16 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• male germ cells begin to disappear after birth and are gone by 4 weeks of age

cellular
• male germ cells begin to disappear after birth and are gone by 4 weeks of age




Genotype
MGI:2176704
cx3
Allelic
Composition
Baxtm1Sjk/Bax+
Bcl2l1tm1Mam/Bcl2l1tm1Mam
Genetic
Background
involves: 129S6/SvEvTac * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Baxtm1Sjk mutation (1 available); any Bax mutation (24 available)
Bcl2l1tm1Mam mutation (0 available); any Bcl2l1 mutation (108 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
endocrine/exocrine glands
• decreased number of ovarian follicles

reproductive system
• absence of spermatogonia
• decreased number of ovarian follicles

cellular
• absence of spermatogonia




Genotype
MGI:4360655
cx4
Allelic
Composition
Baxtm1Sjk/Bax+
Grid2Lc-J/Grid2+
Genetic
Background
involves: 129X1/SvJ * BALB/cByJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Baxtm1Sjk mutation (1 available); any Bax mutation (24 available)
Grid2Lc-J mutation (1 available); any Grid2 mutation (87 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• a swaying ataxia is found in the third week of age, the same as in simple lurcher heterozygotes

nervous system
• gaps in the Purkinje cell layer found by 15 days of age
• much smaller internal granule cell layer as early as 15 days of age




Genotype
MGI:3693198
cx5
Allelic
Composition
Baxtm1Sjk/Bax+
KitlSl/KitlSl
Tg(Pou5f1-GFP)1Scho/?
Genetic
Background
involves: 129X1/SvJ * C3H * CD-1 * FVB
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Baxtm1Sjk mutation (1 available); any Bax mutation (24 available)
KitlSl mutation (3 available); any Kitl mutation (92 available)
Tg(Pou5f1-GFP)1Scho mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• increased apoptosis of primordial germ cells
• decreased germ cell proliferation

cellular
• increased apoptosis of primordial germ cells
• decreased germ cell proliferation





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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last database update
01/06/2026
MGI 6.24
The Jackson Laboratory