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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Pbx2+
wild type
MGI:2440199
Summary 7 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
Foxg1tm1(cre)Skm/Foxg1+
involves: 129P2/OlaHsd * 129S/Sv MGI:5305855
cn2
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
Tg(Tcfap2a-cre)1Will/0
involves: 129P2/OlaHsd * 129S/Sv MGI:5305925
cn3
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
Nkx2-5tm2(cre)Rph/Nkx2-5+
involves: 129P2/OlaHsd * 129S/Sv * 129S1/Sv MGI:5426982
cn4
Gt(ROSA)26Sortm2(Wnt1/GFP)Amc/Gt(ROSA)26Sor+
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
Tg(Tcfap2a-cre)1Will/0
involves: 129P2/OlaHsd * 129S/Sv * 129X1/SvJ MGI:5305934
cn5
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
H2az2Tg(Wnt1-cre)11Rth/H2az2+
involves: 129P2/OlaHsd * 129S/Sv * C57BL/6J * CBA/J MGI:5305927
cx6
Pbx1tm1Mlc/Pbx1+
Pbx2tm1Mlc/Pbx2+
Pbx3tm1Mlc/Pbx3+
involves: 129S6/SvEvTac MGI:5305931
cx7
Pbx1tm1Mlc/Pbx1tm1Mlc
Pbx2tm1Mlc/Pbx2+
involves: 129S6/SvEvTac MGI:5305928


Genotype
MGI:5305855
cn1
Allelic
Composition
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
Foxg1tm1(cre)Skm/Foxg1+
Genetic
Background
involves: 129P2/OlaHsd * 129S/Sv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxg1tm1(cre)Skm mutation (2 available); any Foxg1 mutation (31 available)
Pbx1tm1Koss mutation (0 available); any Pbx1 mutation (38 available)
Pbx2tm1Mlc mutation (0 available); any Pbx2 mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

craniofacial
• abnormal maxillary palatal and palatine process
• the premaxillary process is absent
• bilateral cleft lip

respiratory system

digestive/alimentary system
• abnormal maxillary palatal and palatine process

skeleton
• abnormal maxillary palatal and palatine process
• the premaxillary process is absent

growth/size/body
• abnormal maxillary palatal and palatine process
• the premaxillary process is absent
• bilateral cleft lip




Genotype
MGI:5305925
cn2
Allelic
Composition
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
Tg(Tcfap2a-cre)1Will/0
Genetic
Background
involves: 129P2/OlaHsd * 129S/Sv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Koss mutation (0 available); any Pbx1 mutation (38 available)
Pbx2tm1Mlc mutation (0 available); any Pbx2 mutation (12 available)
Tg(Tcfap2a-cre)1Will mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• cleft lip and/or palate
• cleft lip and/or palate

digestive/alimentary system
• cleft lip and/or palate

growth/size/body
• cleft lip and/or palate
• cleft lip and/or palate




Genotype
MGI:5426982
cn3
Allelic
Composition
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
Nkx2-5tm2(cre)Rph/Nkx2-5+
Genetic
Background
involves: 129P2/OlaHsd * 129S/Sv * 129S1/Sv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nkx2-5tm2(cre)Rph mutation (2 available); any Nkx2-5 mutation (21 available)
Pbx1tm1Koss mutation (0 available); any Pbx1 mutation (38 available)
Pbx2tm1Mlc mutation (0 available); any Pbx2 mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• hypoplastic and fragmented
• more severe than in mutant mice wild-type for Pbx2

immune system
• hypoplastic and fragmented
• more severe than in mutant mice wild-type for Pbx2




Genotype
MGI:5305934
cn4
Allelic
Composition
Gt(ROSA)26Sortm2(Wnt1/GFP)Amc/Gt(ROSA)26Sor+
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
Tg(Tcfap2a-cre)1Will/0
Genetic
Background
involves: 129P2/OlaHsd * 129S/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm2(Wnt1/GFP)Amc mutation (1 available); any Gt(ROSA)26Sor mutation (1062 available)
Pbx1tm1Koss mutation (0 available); any Pbx1 mutation (38 available)
Pbx2tm1Mlc mutation (0 available); any Pbx2 mutation (12 available)
Tg(Tcfap2a-cre)1Will mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
N
• the cleft lip phenotype observed in Pbx1tm1.1Koss/Pbx1tm1.1Koss Pbx2tm1Mlc/Pbx2+ Tg(Tcfap2a*-cre)1Will is rescued




Genotype
MGI:5305927
cn5
Allelic
Composition
Pbx1tm1Koss/Pbx1tm1Koss
Pbx2tm1Mlc/Pbx2+
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Genetic
Background
involves: 129P2/OlaHsd * 129S/Sv * C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
H2az2Tg(Wnt1-cre)11Rth mutation (2 available); any H2az2 mutation (25 available)
Pbx1tm1Koss mutation (0 available); any Pbx1 mutation (38 available)
Pbx2tm1Mlc mutation (0 available); any Pbx2 mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

craniofacial

nervous system
N
• cranial neural crest cell migration and olfactory placodes are normal

digestive/alimentary system

growth/size/body




Genotype
MGI:5305931
cx6
Allelic
Composition
Pbx1tm1Mlc/Pbx1+
Pbx2tm1Mlc/Pbx2+
Pbx3tm1Mlc/Pbx3+
Genetic
Background
involves: 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (38 available)
Pbx2tm1Mlc mutation (0 available); any Pbx2 mutation (12 available)
Pbx3tm1Mlc mutation (0 available); any Pbx3 mutation (37 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial

digestive/alimentary system

mortality/aging

growth/size/body




Genotype
MGI:5305928
cx7
Allelic
Composition
Pbx1tm1Mlc/Pbx1tm1Mlc
Pbx2tm1Mlc/Pbx2+
Genetic
Background
involves: 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (38 available)
Pbx2tm1Mlc mutation (0 available); any Pbx2 mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• bilateral or unilateral
• abnormally fused at E11.5 with persistence of an abnormal bridge connecting their posterior aspects to the anterior maxillary process
• abnormally fused at E11.5 with persistence of an abnormal bridge connecting their posterior aspects to the anterior maxillary process
• abnormally fused at E11.5 with persistence of an abnormal bridge connecting their posterior aspects to the anterior maxillary process
• bilateral or unilateral cleft lip and/or palate
• bilateral or unilateral cleft lip and/or palate
• small nose

homeostasis/metabolism
• head edema with E13.5

skeleton
• bilateral or unilateral

digestive/alimentary system

growth/size/body
• bilateral or unilateral
• bilateral or unilateral cleft lip and/or palate
• bilateral or unilateral cleft lip and/or palate
• small nose





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