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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Smotm2Amc
targeted mutation 2, Andrew P McMahon
MGI:2176256
Summary 28 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
En1tm2(cre)Wrst/?
Gli3tm1Alj/Gli3tm1Alj
Smotm2Amc/Smotm2Amc
involves: 129S1/Sv * 129S6/SvEvTac * 129X1/SvJ * C57BL/6 MGI:3803100
cn2
Gt(ROSA)26Sortm1(Gli2)Jmao/Gt(ROSA)26Sor+
Smotm2Amc/Smotm2Amc
Nkx3-2tm1(cre)Wez/Nkx3-2+
involves: 129S1/Sv * 129S7/SvEvBrd * 129X1/SvJ MGI:5518632
cn3
Smotm2Amc/Smotm2Amc
Nkx3-2tm1(cre)Wez/Nkx3-2+
involves: 129S1/Sv * 129S7/SvEvBrd * 129X1/SvJ MGI:5518634
cn4
Smotm2Amc/Smotm2Amc
Slc6a3tm1(cre)Xz/Slc6a3+
involves: 129S1/Sv * 129X1/SvJ MGI:5440832
cn5
Smotm1Amc/Smotm2Amc
Tg(Nes-cre)1Kln/0
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL * Swiss Webster MGI:3665560
cn6
Gt(ROSA)26Sortm4(ACTB-tdTomato,-EGFP)Luo/?
Smotm2Amc/Smotm2Amc
Tg(Tagln-cre)1Jjl/0
involves: 129S1/Sv * 129X1/SvJ * FVB/N MGI:5563909
cn7
Smotm2Amc/Smotm2.1Amc
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+
involves: 129S4/SvJaeSor * 129X1/SvJ * C57BL/6J * CBA/J MGI:4843924
cn8
Gli3tm1Alj/Gli3tm1Alj
Nkx3-2tm1(cre)Wez/Nkx3-2+
Smotm2Amc/Smotm2Amc
involves: 129S6/SvEvTac * 129S7/SvEvBrd * 129X1/SvJ MGI:5518637
cn9
Smotm2Amc/Smotm2.1Amc
Nkx2-5tm1(cre)Rjs/Nkx2-5+
involves: 129S7/SvEvBrd * 129X1/SvJ MGI:4843927
cn10
Gt(ROSA)26Sortm6Dym/?
Smotm2Amc/Smotm2Amc
Sox9tm3(cre)Crm/Sox9+
involves: 129S7/SvEvBrd * 129X1/SvJ MGI:4366499
cn11
Smotm2Amc/Smotm2Amc
Isl1tm1(cre)Tmj/Isl1+
involves: 129S/Sv * 129X1/SvJ MGI:5563905
cn12
Smotm1Amc/Smotm2Amc
Isl1tm1(cre)Sev/Isl1+
involves: 129S/Sv * 129X1/SvJ MGI:3689403
cn13
Smotm1Amc/Smotm2Amc
Tg(Col2a1-cre)10Amc/0
involves: 129X1/SvJ MGI:3584111
cn14
Smotm1Amc/Smotm2Amc
Tg(Col2a1-cre)15Amc/0
involves: 129X1/SvJ MGI:3584113
cn15
Smotm1Amc/Smotm2Amc
Tg(Col2a1-cre)3Amc/0
involves: 129X1/SvJ MGI:3584114
cn16
Smotm2Amc/Smotm2.1Amc
Tg(Mpz-cre)94Imeg/0
involves: 129X1/SvJ MGI:4843926
cn17
Smotm1Amc/Smotm2Amc
Tg(Fgf15-cre)1Hisa/0
involves: 129X1/SvJ MGI:6434366
cn18
Smotm2Amc/Smotm2Amc
Tg(Gfap-cre)73.12Mvs/0
involves: 129X1/SvJ * BALB/c * C57BL/6NHsd MGI:4838615
cn19
Smotm2Amc/Smotm2Amc
Tg(Tek-cre)12Flv/0
involves: 129X1/SvJ * C3H * C57BL/6 MGI:5563907
cn20
Smotm2Amc/Smotm2.1Amc
Tg(Tek-cre)12Flv/0
involves: 129X1/SvJ * C57BL/6 MGI:4843921
cn21
Smotm1Amc/Smotm2Amc
Tg(KRT14-cre)1Amc/0
involves: 129X1/SvJ * C57BL/6 * CBA MGI:2651648
cn22
Smotm2Amc/Smotm2.1Amc
Tg(Tnnt2-cre)5Blh/0
involves: 129X1/SvJ * C57BL/6 * DBA/2 MGI:4843922
cn23
Olig3tm1(cre)Ynka/Olig3+
Smotm2Amc/Smotm2Amc
involves: 129X1/SvJ * C57BL/6J MGI:3844943
cn24
Smotm2Amc/Smotm2.1Amc
H2az2Tg(Wnt1-cre)11Rth/H2az2+
involves: 129X1/SvJ * C57BL/6J * CBA/J MGI:4843923
cn25
Smotm2Amc/Smotm2Amc
Tg(Nes-cre)1Kln/0
involves: 129X1/SvJ * C57BL/6 * SJL MGI:3844949
cn26
Smotm1Amc/Smotm2Amc
Tg(Sp7-tTA,tetO-EGFP/cre)1Amc/0
involves: 129X1/SvJ * CD-1 MGI:3689417
cn27
Smotm2Amc/Smotm2Amc
Tg(mI56i-cre,EGFP)1Kc/?
involves: 129X1/SvJ * FVB/N MGI:3617990
cn28
Smotm1Amc/Smotm2Amc
H2az2Tg(Wnt1-cre)11Rth/H2az2+
involves: C57BL/6J * CBA/J MGI:3716198


Genotype
MGI:3803100
cn1
Allelic
Composition
En1tm2(cre)Wrst/?
Gli3tm1Alj/Gli3tm1Alj
Smotm2Amc/Smotm2Amc
Genetic
Background
involves: 129S1/Sv * 129S6/SvEvTac * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
En1tm2(cre)Wrst mutation (1 available); any En1 mutation (34 available)
Gli3tm1Alj mutation (1 available); any Gli3 mutation (81 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
N
• isthmus generally normal
• superior colliculus normal
• inferior colliculus normal
• some Purkinje cells in anterior isthmus region
• Purkinje projections into posterior isthmus region
• dorsal mesencephalon, isthmus, and r1 not distinct at E10.5 and E12.5
• isthmus flexure less prominent
• thickness of ventricular zone increased
• expanded mesencephalic ventricle at E10.5 and E12.5
• abnormal at E18.5
• external granule cell layer thinner at birth
• at birth

embryo
• some Purkinje cells in anterior isthmus region
• Purkinje projections into posterior isthmus region
• dorsal mesencephalon, isthmus, and r1 not distinct at E10.5 and E12.5
• isthmus flexure less prominent
• thickness of ventricular zone increased




Genotype
MGI:5518632
cn2
Allelic
Composition
Gt(ROSA)26Sortm1(Gli2)Jmao/Gt(ROSA)26Sor+
Smotm2Amc/Smotm2Amc
Nkx3-2tm1(cre)Wez/Nkx3-2+
Genetic
Background
involves: 129S1/Sv * 129S7/SvEvBrd * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1(Gli2)Jmao mutation (0 available); any Gt(ROSA)26Sor mutation (993 available)
Nkx3-2tm1(cre)Wez mutation (0 available); any Nkx3-2 mutation (21 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Gli2 expression, but not Gli3 de-repression, rescues intestinal phenotypes in Smotm2Amc/Smotm2Amc Nkx3-2tm1(cre)Wez/Nkx3-2+ embryos

digestive/alimentary system
N
• intestinal development is rescued




Genotype
MGI:5518634
cn3
Allelic
Composition
Smotm2Amc/Smotm2Amc
Nkx3-2tm1(cre)Wez/Nkx3-2+
Genetic
Background
involves: 129S1/Sv * 129S7/SvEvBrd * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nkx3-2tm1(cre)Wez mutation (0 available); any Nkx3-2 mutation (21 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Intestinal mesenchymal proliferation and expansion are affected in Smotm2Amc/Smotm2Amc Nkx3-2tm1(cre)Wez/Nkx3-2+ embryos

mortality/aging
• mice die immediately after birth

digestive/alimentary system
• lack of Goblet and enteroendocrine cell lineage differentiation at E18.5
• at E18.5, mice exhibit fewer mesenchyme cells between thin layers of mesentery and intestinal epithelium compared with control mice
• lack of Goblet and enteroendocrine cell lineage differentiation at E18.5
• decreased SMA+ or Desmin+ intestinal smooth muscle cells
• absent intestinal mesenchymal proliferation
• intestinal epithelium do not proliferate at E18.5

muscle
• decreased SMA+ or Desmin+ intestinal smooth muscle cells

cellular
• lack of Goblet and enteroendocrine cell lineage differentiation at E18.5
• intestinal epithelium do not proliferate at E18.5

nervous system
• decreased population




Genotype
MGI:5440832
cn4
Allelic
Composition
Smotm2Amc/Smotm2Amc
Slc6a3tm1(cre)Xz/Slc6a3+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Slc6a3tm1(cre)Xz mutation (2 available); any Slc6a3 mutation (66 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
N
• mice do not exhibit any dopaminergic neuron loss the substantia nigra pars compacta and ventral tegmental area




Genotype
MGI:3665560
cn5
Allelic
Composition
Smotm1Amc/Smotm2Amc
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL * Swiss Webster
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm1Amc mutation (1 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• about 10% of mice survive to 3 weeks of age

nervous system
• overall size of mutant brains is smaller than wild-type
• four principal fissures are very shallow
• in lateral regions, foliation is limited to slight indentations only in central and posterior regions
• at E16.5, cerebella appear grossly normal, but reduced in size
• at P21, cerebella shows more pronounced reduction in size vs wild-type
• AP axis is more dramatically reduced than ML axis




Genotype
MGI:5563909
cn6
Allelic
Composition
Gt(ROSA)26Sortm4(ACTB-tdTomato,-EGFP)Luo/?
Smotm2Amc/Smotm2Amc
Tg(Tagln-cre)1Jjl/0
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm4(ACTB-tdTomato,-EGFP)Luo mutation (10 available); any Gt(ROSA)26Sor mutation (993 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Tagln-cre)1Jjl mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
N
• cardiopulmonary development is not disrupted




Genotype
MGI:4843924
cn7
Allelic
Composition
Smotm2Amc/Smotm2.1Amc
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Gt(ROSA)26Sortm1Sor/Gt(ROSA)26Sor+
Genetic
Background
involves: 129S4/SvJaeSor * 129X1/SvJ * C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1Sor mutation (7 available); any Gt(ROSA)26Sor mutation (993 available)
H2az2Tg(Wnt1-cre)11Rth mutation (2 available); any H2az2 mutation (26 available)
Smotm2.1Amc mutation (0 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
embryo
• the number of cardiac neural crest cells reaching the outflow tract is moderately reduced compared to in wild-type mice
• mice exhibit abnormal patterning of cardiac neural crest cells compared to in wild-type mice

cardiovascular system
• the number of cardiac neural crest cells reaching the outflow tract is moderately reduced compared to in wild-type mice
• mice exhibit abnormal patterning of cardiac neural crest cells compared to in wild-type mice

nervous system
• the number of cardiac neural crest cells reaching the outflow tract is moderately reduced compared to in wild-type mice
• mice exhibit abnormal patterning of cardiac neural crest cells compared to in wild-type mice

cellular
• mice exhibit abnormal patterning of cardiac neural crest cells compared to in wild-type mice




Genotype
MGI:5518637
cn8
Allelic
Composition
Gli3tm1Alj/Gli3tm1Alj
Nkx3-2tm1(cre)Wez/Nkx3-2+
Smotm2Amc/Smotm2Amc
Genetic
Background
involves: 129S6/SvEvTac * 129S7/SvEvBrd * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gli3tm1Alj mutation (1 available); any Gli3 mutation (81 available)
Nkx3-2tm1(cre)Wez mutation (0 available); any Nkx3-2 mutation (21 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Gli2 expression, but not Gli3 de-repression, rescues intestinal phenotypes in Smotm2Amc/Smotm2Amc Nkx3-2tm1(cre)Wez/Nkx3-2+ embryos

digestive/alimentary system
• mice exhibit the same defects as in Nkx3-2tm1(cre)Wez/Nkx3-2+ Smom2Amc/Smom2Amc mice




Genotype
MGI:4843927
cn9
Allelic
Composition
Smotm2Amc/Smotm2.1Amc
Nkx2-5tm1(cre)Rjs/Nkx2-5+
Genetic
Background
involves: 129S7/SvEvBrd * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nkx2-5tm1(cre)Rjs mutation (1 available); any Nkx2-5 mutation (21 available)
Smotm2.1Amc mutation (0 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• at E10.5 and E18.5, mice exhibit abnormal arch-artery patterning compared to in wild-type mice
• at E10.5, mice exhibit short outflow tract compared with wild-type mice
• mice exhibit cell death in the anterior heart field unlike in wild-type mice

embryo
• mice exhibit cell death in neural crest cells unlike in wild-type mice
• mice exhibit abnormal neural crest cells localization and septation defects compared with wild-type mice

cellular
• mice exhibit cell death in neural crest cells unlike in wild-type mice
• mice exhibit abnormal neural crest cells localization and septation defects compared with wild-type mice




Genotype
MGI:4366499
cn10
Allelic
Composition
Gt(ROSA)26Sortm6Dym/?
Smotm2Amc/Smotm2Amc
Sox9tm3(cre)Crm/Sox9+
Genetic
Background
involves: 129S7/SvEvBrd * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm6Dym mutation (0 available); any Gt(ROSA)26Sor mutation (993 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Sox9tm3(cre)Crm mutation (1 available); any Sox9 mutation (33 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• at E17.5, the temporomandibular condyle is much smaller in size with loss of growth plate organization unlike in wild-type mice
• the temporomandibular joint forms in close proximity to the condyle resulting in an absence of the lower joint cavity unlike in wild-type mice

craniofacial
• at E17.5, the temporomandibular condyle is much smaller in size with loss of growth plate organization unlike in wild-type mice
• the temporomandibular joint forms in close proximity to the condyle resulting in an absence of the lower joint cavity unlike in wild-type mice




Genotype
MGI:5563905
cn11
Allelic
Composition
Smotm2Amc/Smotm2Amc
Isl1tm1(cre)Tmj/Isl1+
Genetic
Background
involves: 129S/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Isl1tm1(cre)Tmj mutation (0 available); any Isl1 mutation (36 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• embryos show severe inflow tract defects with pulmonary vein atresia
• embryos show severe inflow tract defects with pulmonary vein atresia
• embryos show persistence of aortopulmonary collateral circulation




Genotype
MGI:3689403
cn12
Allelic
Composition
Smotm1Amc/Smotm2Amc
Isl1tm1(cre)Sev/Isl1+
Genetic
Background
involves: 129S/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Isl1tm1(cre)Sev mutation (1 available); any Isl1 mutation (36 available)
Smotm1Amc mutation (1 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

cardiovascular system
• E10 embryos show an absence of the left 6th aortic arch although the right 6th arch is normal
• outflow tracts are shortened by about 17%, 18% and 22% at E10.5, E11.5, and E12.5, respectively
• exhibit increased apoptosis in outflow tract myocardium at E10
• seen in 19 of 20 mutants at E18.5
• seen in 1 of 20 mutants at E18.5
• E12.5 and E18.5 hearts show atrial septal defects
• ventricular septal defects

embryo
• E10 embryos show an absence of the left 6th aortic arch although the right 6th arch is normal
• marker analysis indicates that cardiac neural crest cells are present in the pharyngeal arches and the outflow tract but do not penetrate the outflow tract to the same extent as in wild-type

craniofacial
• E10 embryos show an absence of the left 6th aortic arch although the right 6th arch is normal

cellular
• marker analysis indicates that cardiac neural crest cells are present in the pharyngeal arches and the outflow tract but do not penetrate the outflow tract to the same extent as in wild-type




Genotype
MGI:3584111
cn13
Allelic
Composition
Smotm1Amc/Smotm2Amc
Tg(Col2a1-cre)10Amc/0
Genetic
Background
involves: 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm1Amc mutation (1 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Col2a1-cre)10Amc mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• decrease in chondrocyte proliferation at E14.5, however chondrocyte differentiation proceeds normally

mortality/aging
• small number of mutant pups survive for up to 9 days postpartum

skeleton
• decrease in chondrocyte proliferation at E14.5, however chondrocyte differentiation proceeds normally
• shorter long bones with no growth of long bones after birth and defects more severe than in mutants carrying Tg(Col2a1-cre)15Amc or Tg(Col2a1-cre)3Amc
• short ulna
• almost no growth of tibia after birth
• length of scapula is shorter
• skeletal growth retardation

limbs/digits/tail
• failure of digit segmentation and ossification
• short ulna
• almost no growth of tibia after birth
• 40-50% reduction in the length of the stylopod and the zeugopod at birth




Genotype
MGI:3584113
cn14
Allelic
Composition
Smotm1Amc/Smotm2Amc
Tg(Col2a1-cre)15Amc/0
Genetic
Background
involves: 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm1Amc mutation (1 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Col2a1-cre)15Amc mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• shorter long bones, however, less severe than in mutants carrying Tg(Col2a1-cre)10Amc or Tg(Col2a1-cre)3Amc




Genotype
MGI:3584114
cn15
Allelic
Composition
Smotm1Amc/Smotm2Amc
Tg(Col2a1-cre)3Amc/0
Genetic
Background
involves: 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm1Amc mutation (1 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Col2a1-cre)3Amc mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• shorter long bones, more severe than in mutants carrying Tg(Col2a1-cre)15Amc but less severe than in mutants carrying Tg(Col2a1-cre)10Amc




Genotype
MGI:4843926
cn16
Allelic
Composition
Smotm2Amc/Smotm2.1Amc
Tg(Mpz-cre)94Imeg/0
Genetic
Background
involves: 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm2.1Amc mutation (0 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Mpz-cre)94Imeg mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• authors state that mice exhibit identical cardiac defects as observed in Smotm2Amc/Smotm2.1Amc Tg(Wnt1-cre)11Rth mice




Genotype
MGI:6434366
cn17
Allelic
Composition
Smotm1Amc/Smotm2Amc
Tg(Fgf15-cre)1Hisa/0
Genetic
Background
involves: 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm1Amc mutation (1 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Fgf15-cre)1Hisa mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• at 35-somite stage (E10.5), lens anlagen is hypotrophic; at 40-somite stage, lens anlagen is no longer observed
• at 32-somite stage (E10), ventral optic cup morphology is defective; at 30-somite stage, cell proliferation in ventral optic cup is significantly decreased at this stage compared to controls
• at 40-somite stage (E11), ventral optic cup is no longer observed and dorsal optic cup has degenerated
• by 40-somite stage, stalk is shorter than in controls
• ventral parts of vesicle are lost or do not grow appropriately at at 32-somite stage (E10), at 35-somite stage (E10.5), and at 40-somite stage (E11)
• at 24-somite stage, increased numbers of apoptotic cells are observed compared to controls
• newborn animals have no eye tissue; phenotype shows complete penetrance

growth/size/body
• after the 26-somite stage (E9.75), entire body is smaller than controls

hearing/vestibular/ear
• otic vesicle appears almost normal, but cell proliferation is decreased

nervous system
• at PO, animals have small forebrain
• diencephalon is disproportionately hypotrophic

embryo
• after the 26-somite stage (E9.75), entire body is smaller than controls




Genotype
MGI:4838615
cn18
Allelic
Composition
Smotm2Amc/Smotm2Amc
Tg(Gfap-cre)73.12Mvs/0
Genetic
Background
involves: 129X1/SvJ * BALB/c * C57BL/6NHsd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Gfap-cre)73.12Mvs mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
N
• mice exhibit normal forebrain morphology and cytoarchitecture
• the number of astrocytes in the cortex is normal
• mild in the cortex




Genotype
MGI:5563907
cn19
Allelic
Composition
Smotm2Amc/Smotm2Amc
Tg(Tek-cre)12Flv/0
Genetic
Background
involves: 129X1/SvJ * C3H * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Tek-cre)12Flv mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
N
• cardiopulmonary development is not disrupted




Genotype
MGI:4843921
cn20
Allelic
Composition
Smotm2Amc/Smotm2.1Amc
Tg(Tek-cre)12Flv/0
Genetic
Background
involves: 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm2.1Amc mutation (0 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Tek-cre)12Flv mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
N
• mice exhibit normal outflow tract development




Genotype
MGI:2651648
cn21
Allelic
Composition
Smotm1Amc/Smotm2Amc
Tg(KRT14-cre)1Amc/0
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm1Amc mutation (1 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(KRT14-cre)1Amc mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• pups die within 1 day after birth

craniofacial
• incisors are smaller in diameter and exhibit abnormal folding of the inner dental epithelium
• incisors show an absence of the papillary layer
• first and second molars of both the maxilla and mandible are abnormally fused, forming a single gigantic anlage
• dental cord is virtually absent
• the stellate reticulum is hypocellular and shows absence of early vascular loops in the coronal aspect
• the outer dental epithelium forms a continuous layer without the gaps seen in controls
• cusps of first molars are shallow, broad, underdeveloped and misshapen
• first and second molars of both the maxilla and mandible are abnormally fused, forming a single gigantic anlage
• exhibit abnonormally short ameloblasts in the most advanced cusps of first molar region that are overlaid by a scarce, squamous stratum intermedium
• in incisors, the cuboidal ameloblasts are only 15% of the apical-basal height and contain centrally located round nuclei
• mitochondria, RER, and Golgi are sparse and evenly distributed in the cytoplasm of incisor ameloblasts and Tomes' processes and the terminal webs do not develop
• amelolasts exhibit premature withdrawal from the cell cylce
• Tomes' processes do not develop
• the epithelial enamel organ appears disorganized at the late bell stage in the principal cusps of the first molars
• in molars, the stellate reticulum is hypocellular and shows absence of early vascular loops in the coronal aspect
• incisors exhibit abnormal folding of the inner dental epithelium
• in molars, the outer dental epithelium forms a continuous layer without the gaps observed in controls
• molars develop close to the oral surface, indicating virtual absence of a dental cord

growth/size/body
• incisors are smaller in diameter and exhibit abnormal folding of the inner dental epithelium
• incisors show an absence of the papillary layer
• first and second molars of both the maxilla and mandible are abnormally fused, forming a single gigantic anlage
• dental cord is virtually absent
• the stellate reticulum is hypocellular and shows absence of early vascular loops in the coronal aspect
• the outer dental epithelium forms a continuous layer without the gaps seen in controls
• cusps of first molars are shallow, broad, underdeveloped and misshapen
• first and second molars of both the maxilla and mandible are abnormally fused, forming a single gigantic anlage
• exhibit abnonormally short ameloblasts in the most advanced cusps of first molar region that are overlaid by a scarce, squamous stratum intermedium
• in incisors, the cuboidal ameloblasts are only 15% of the apical-basal height and contain centrally located round nuclei
• mitochondria, RER, and Golgi are sparse and evenly distributed in the cytoplasm of incisor ameloblasts and Tomes' processes and the terminal webs do not develop
• amelolasts exhibit premature withdrawal from the cell cylce
• Tomes' processes do not develop
• the epithelial enamel organ appears disorganized at the late bell stage in the principal cusps of the first molars
• in molars, the stellate reticulum is hypocellular and shows absence of early vascular loops in the coronal aspect
• incisors exhibit abnormal folding of the inner dental epithelium
• in molars, the outer dental epithelium forms a continuous layer without the gaps observed in controls
• molars develop close to the oral surface, indicating virtual absence of a dental cord

skeleton
• incisors are smaller in diameter and exhibit abnormal folding of the inner dental epithelium
• incisors show an absence of the papillary layer
• first and second molars of both the maxilla and mandible are abnormally fused, forming a single gigantic anlage
• dental cord is virtually absent
• the stellate reticulum is hypocellular and shows absence of early vascular loops in the coronal aspect
• the outer dental epithelium forms a continuous layer without the gaps seen in controls
• cusps of first molars are shallow, broad, underdeveloped and misshapen
• first and second molars of both the maxilla and mandible are abnormally fused, forming a single gigantic anlage
• exhibit abnonormally short ameloblasts in the most advanced cusps of first molar region that are overlaid by a scarce, squamous stratum intermedium
• in incisors, the cuboidal ameloblasts are only 15% of the apical-basal height and contain centrally located round nuclei
• mitochondria, RER, and Golgi are sparse and evenly distributed in the cytoplasm of incisor ameloblasts and Tomes' processes and the terminal webs do not develop
• amelolasts exhibit premature withdrawal from the cell cylce
• Tomes' processes do not develop
• the epithelial enamel organ appears disorganized at the late bell stage in the principal cusps of the first molars
• in molars, the stellate reticulum is hypocellular and shows absence of early vascular loops in the coronal aspect
• incisors exhibit abnormal folding of the inner dental epithelium
• in molars, the outer dental epithelium forms a continuous layer without the gaps observed in controls
• molars develop close to the oral surface, indicating virtual absence of a dental cord




Genotype
MGI:4843922
cn22
Allelic
Composition
Smotm2Amc/Smotm2.1Amc
Tg(Tnnt2-cre)5Blh/0
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm2.1Amc mutation (0 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Tnnt2-cre)5Blh mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
N
• mice exhibit normal outflow tract development




Genotype
MGI:3844943
cn23
Allelic
Composition
Olig3tm1(cre)Ynka/Olig3+
Smotm2Amc/Smotm2Amc
Genetic
Background
involves: 129X1/SvJ * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Olig3tm1(cre)Ynka mutation (0 available); any Olig3 mutation (9 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• based on molecular marker expression analysis, the intergeniculate leaflet (IGL) nucleus is dramatically reduced in size and cell number at E17.5




Genotype
MGI:4843923
cn24
Allelic
Composition
Smotm2Amc/Smotm2.1Amc
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Genetic
Background
involves: 129X1/SvJ * 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 (26 available)
Smotm2.1Amc mutation (0 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• at E10.5 and E18.5, mice exhibit arch-artery defects compared with wild-type mice
• in 4 of 23 mice
• mice exhibit partial septation of the outflow tract unlike wild-type mice
• in 17 of 23 mice
• 2 of 23 mice exhibit complete separation of a transposed aorta and hypoplastic pulmonary artery unlike in wild-type mice

embryo
• mice exhibit cell death in neural crest cells unlike in wild-type mice

cellular
• mice exhibit cell death in neural crest cells unlike in wild-type mice




Genotype
MGI:3844949
cn25
Allelic
Composition
Smotm2Amc/Smotm2Amc
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system




Genotype
MGI:3689417
cn26
Allelic
Composition
Smotm1Amc/Smotm2Amc
Tg(Sp7-tTA,tetO-EGFP/cre)1Amc/0
Genetic
Background
involves: 129X1/SvJ * CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm1Amc mutation (1 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(Sp7-tTA,tetO-EGFP/cre)1Amc mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• mutants show normal program of chondrocyte and osteoblast development




Genotype
MGI:3617990
cn27
Allelic
Composition
Smotm2Amc/Smotm2Amc
Tg(mI56i-cre,EGFP)1Kc/?
Genetic
Background
involves: 129X1/SvJ * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
Tg(mI56i-cre,EGFP)1Kc mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• viable with no gross phenotype
• cortical interneuron profiles are normal




Genotype
MGI:3716198
cn28
Allelic
Composition
Smotm1Amc/Smotm2Amc
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Genetic
Background
involves: 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 (26 available)
Smotm1Amc mutation (1 available); any Smo mutation (39 available)
Smotm2Amc mutation (1 available); any Smo mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• rostral half is missing
• mesethmoid bone is missing
• teeth are malformed and arrested
• the dentate is reduced in length but the lamina is thicker
• at E9.5, there is an increase in apoptotic cells along the midline
• at E10.5, apoptotic cells are observed along the midline and laterally
• at E10.5, mandibles are 9% shorter than the wild-type and only undergoes a 1.5-fold along the dorsal-ventral axis compared to a 4-fold expansion in wild-type
• at E11.5, cell proliferation is decreased
• mice have an extra condylar process
• premaxilla and maxilla retain their lateral-most parts only
• absent or appears as a tiny fragment
• nasal bone is hypoplastic
• hypoplastic and short
• the basi- cerato- and thyro hyoid elements are missing
• the nasal septum is incomplete

hearing/vestibular/ear

digestive/alimentary system

respiratory system
• nasal bone is hypoplastic
• the nasal septum is incomplete

skeleton
• hypoplastic and short
• rostral half is missing
• mesethmoid bone is missing
• teeth are malformed and arrested
• the dentate is reduced in length but the lamina is thicker
• at E9.5, there is an increase in apoptotic cells along the midline
• at E10.5, apoptotic cells are observed along the midline and laterally
• at E10.5, mandibles are 9% shorter than the wild-type and only undergoes a 1.5-fold along the dorsal-ventral axis compared to a 4-fold expansion in wild-type
• at E11.5, cell proliferation is decreased
• mice have an extra condylar process
• premaxilla and maxilla retain their lateral-most parts only
• absent or appears as a tiny fragment
• nasal bone is hypoplastic
• the basi- cerato- and thyro hyoid elements are missing

vision/eye

growth/size/body
• teeth are malformed and arrested
• nasal bone is hypoplastic
• the nasal septum is incomplete





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last database update
11/12/2024
MGI 6.24
The Jackson Laboratory