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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		T31H
brachyury 31 Harwell
MGI:2673245
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		T31H/T+ involves: 101/H * C3H/HeH * TFH MGI:3719843
cx2
 		Nox3het/Nox3het
T31H/T+ 		involves: 101/H * C3H/HeH * TFH MGI:3719841
cx3
 		T31H/T+
tw32/t+ 		involves: 101/H * C3H/HeH * TFH MGI:3719842


Genotype
MGI:3719843
ht1
Allelic
Composition		 T31H/T+
Genetic
Background		 involves: 101/H * C3H/HeH * TFH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
T31H mutation (0 available); any T mutation (61 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
perinatal lethality, incomplete penetrance ( J:62655 )
• fewer than expected mice are born

reproductive system
reduced male fertility ( J:62655 )
• some males are infertile




Genotype
MGI:3719841
cx2
Allelic
Composition		 Nox3het/Nox3het
T31H/T+
Genetic
Background		 involves: 101/H * C3H/HeH * TFH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nox3het mutation (2 available); any Nox3 mutation (40 available)
T31H mutation (0 available); any T mutation (61 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
behavior/neurological




Genotype
MGI:3719842
cx3
Allelic
Composition		 T31H/T+
tw32/t+
Genetic
Background		 involves: 101/H * C3H/HeH * TFH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
T31H mutation (0 available); any T mutation (61 available)
tw32 mutation (1 available); any t mutation (19 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
reproductive system




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
09/30/2025
MGI 6.24 		The Jackson Laboratory