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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Raf1tm2Bacc
targeted mutation 2, Manuela Baccarini
MGI:3497907
Summary 19 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Polr2atm1(cre/ERT2)Bbd/Polr2atm1(cre/ERT2)Bbd
Raf1tm2Bacc/Raf1tm2Bacc
involves: 129P2/OlaHsd MGI:5508348
cn2
Krastm1Bbd/Kras+
Raf1tm2Bacc/Raf1tm2Bacc
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ MGI:5508337
cn3
Braftm1Sva/Braftm1Sva
Krastm1Bbd/Kras+
Polr2atm1(cre/ERT2)Bbd/Polr2atm1(cre/ERT2)Bbd
Raf1tm2Bacc/Raf1tm2Bacc
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ MGI:5508357
cn4
Krastm1Bbd/Kras+
Polr2atm1(cre/ERT2)Bbd/Polr2atm1(cre/ERT2)Bbd
Raf1tm2Bacc/Raf1tm2Bacc
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ MGI:5508355
cn5
Braftm1Sva/Braftm1Sva
Polr2atm1(cre/ERT2)Bbd/Polr2atm1(cre/ERT2)Bbd
Raf1tm2Bacc/Raf1tm2Bacc
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ MGI:5508350
cn6
Braftm1Sva/Braftm1Sva
Raf1tm2Bacc/Raf1tm2Bacc
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:3713578
cn7
Braftm1Sva/Braftm1Sva
Raf1tm2Bacc/Raf1+
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL MGI:3713555
cn8
Braftm1Wds/Braftm1.1Wds
Raf1tm1Bacc/Raf1tm2Bacc
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL MGI:3713654
cn9
Braftm1Sva/Braftm1.1Sva
Raf1tm1Bacc/Raf1tm2Bacc
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL MGI:3713581
cn10
Krastm4Tyj/Kras+
Raf1tm2Bacc/Raf1tm2Bacc
Ptf1atm1(cre)Hnak/Ptf1a+
involves: 129P2/OlaHsd * 129S4/SvJae MGI:5510702
cn11
Meox2tm1(cre)Sor/Meox2+
Raf1tm2Bacc/Raf1tm2.1Bacc
involves: 129P2/OlaHsd * 129S4/SvJaeSor MGI:3622526
cn12
Braftm1Wds/Braftm1Wds
Raf1tm2Bacc/Raf1tm2Bacc
involves: 129P2/OlaHsd * C57BL/6 MGI:3713541
cn13
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Mx1-cre)1Cgn/0
involves: 129P2/OlaHsd * C57BL/6 * CBA MGI:3511182
cn14
Braftm1Wds/Braftm1Wds
Raf1tm2Bacc/Raf1tm2Bacc
H2az2Tg(Wnt1-cre)11Rth/H2az2+
involves: 129P2/OlaHsd * C57BL/6J * CBA/J MGI:5659950
cn15
Braftm1Sva/Braf+
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * C57BL/6 * SJL MGI:3713653
cn16
Braftm1Wds/Braf+
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * C57BL/6 * SJL MGI:3713540
cn17
Braftm1Wds/Braftm1Wds
Raf1tm2Bacc/Raf1+
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * C57BL/6 * SJL MGI:3713536
cn18
Map3k5tm1Hijo/Map3k5tm1Hijo
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Myh6-cre)2182Mds/0
involves: C57BL/6J MGI:3510548
cn19
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Myh6-cre)2182Mds/0
involves: C57BL/6J MGI:3510547


Genotype
MGI:5508348
cn1
Allelic
Composition
Polr2atm1(cre/ERT2)Bbd/Polr2atm1(cre/ERT2)Bbd
Raf1tm2Bacc/Raf1tm2Bacc
Genetic
Background
involves: 129P2/OlaHsd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Polr2atm1(cre/ERT2)Bbd mutation (3 available); any Polr2a mutation (92 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• 30 day old mice fed a tamoxifen diet for 3 months show normal weight and activity and no obvious anatomical defects




Genotype
MGI:5508337
cn2
Allelic
Composition
Krastm1Bbd/Kras+
Raf1tm2Bacc/Raf1tm2Bacc
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Krastm1Bbd mutation (2 available); any Kras mutation (84 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• following intratracheal instillation of adenovirus expressing Cre-recombinase (Ad-Cre), mice show 50% survival at 63 weeks compared to 38 weeks in single Kras heterozygous controls, indicating an 83% increase in survival

neoplasm
• tumor burden is reduced compared to single Kras heterozygotes; tumors that are found express Raf1




Genotype
MGI:5508357
cn3
Allelic
Composition
Braftm1Sva/Braftm1Sva
Krastm1Bbd/Kras+
Polr2atm1(cre/ERT2)Bbd/Polr2atm1(cre/ERT2)Bbd
Raf1tm2Bacc/Raf1tm2Bacc
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Sva mutation (1 available); any Braf mutation (60 available)
Krastm1Bbd mutation (2 available); any Kras mutation (84 available)
Polr2atm1(cre/ERT2)Bbd mutation (3 available); any Polr2a mutation (92 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• primary mouse embryonic fibroblasts exposed to 4OHT for 5 days to activate cre/ERT2 recombinase exhibit decreased proliferation that is similar to that in single Kras mutants without further additive effects




Genotype
MGI:5508355
cn4
Allelic
Composition
Krastm1Bbd/Kras+
Polr2atm1(cre/ERT2)Bbd/Polr2atm1(cre/ERT2)Bbd
Raf1tm2Bacc/Raf1tm2Bacc
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Krastm1Bbd mutation (2 available); any Kras mutation (84 available)
Polr2atm1(cre/ERT2)Bbd mutation (3 available); any Polr2a mutation (92 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• primary mouse embryonic fibroblasts exposed to 4OHT for 5 days to activate cre/ERT2 recombinase exhibit decreased proliferation compared to single Kras heterozygotes




Genotype
MGI:5508350
cn5
Allelic
Composition
Braftm1Sva/Braftm1Sva
Polr2atm1(cre/ERT2)Bbd/Polr2atm1(cre/ERT2)Bbd
Raf1tm2Bacc/Raf1tm2Bacc
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Sva mutation (1 available); any Braf mutation (60 available)
Polr2atm1(cre/ERT2)Bbd mutation (3 available); any Polr2a mutation (92 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• 30 day old mice fed a tamoxifen diet for 3 months are healthy and show normal weight and activity and no obvious anatomical defects




Genotype
MGI:3713578
cn6
Allelic
Composition
Braftm1Sva/Braftm1Sva
Raf1tm2Bacc/Raf1tm2Bacc
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Sva mutation (1 available); any Braf mutation (60 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• cultured DRG neurons transfected with Cre-EGFP have very short axons, compared to long and dense axon networks formed by control neurons

cellular
• cultured DRG neurons transfected with Cre-EGFP have very short axons, compared to long and dense axon networks formed by control neurons




Genotype
MGI:3713555
cn7
Allelic
Composition
Braftm1Sva/Braftm1Sva
Raf1tm2Bacc/Raf1+
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Sva mutation (1 available); any Braf mutation (60 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• most die before weaning

growth/size/body
• mice are smaller in the postnatal period than Braf conditional knockouts

nervous system
• deficiency of terminal axonal projections of parvalbumin-positive neurons toward the lateral motor pools of the spinal cord is seen compared to controls
• proprioceptive axons enter spinal cord normally, but few progress beyond intermediate zone
• at P12, number of Ret+ neurons in DRG is reduced; numbers of CGRG+ neurons are increased




Genotype
MGI:3713654
cn8
Allelic
Composition
Braftm1Wds/Braftm1.1Wds
Raf1tm1Bacc/Raf1tm2Bacc
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1.1Wds mutation (0 available); any Braf mutation (60 available)
Braftm1Wds mutation (0 available); any Braf mutation (60 available)
Raf1tm1Bacc mutation (0 available); any Raf1 mutation (117 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• no double conditional embryos are found live at E14-15, but can be isolated at E13

nervous system
• DRG neurons cultured with NGF for 5 days show impaired axon outgrowth
• sensory nerve trunks form normally, but distal arborization is reduced compared to controls
• at E13, Ret levels in DRGs are reduced

cellular
• DRG neurons cultured with NGF for 5 days show impaired axon outgrowth




Genotype
MGI:3713581
cn9
Allelic
Composition
Braftm1Sva/Braftm1.1Sva
Raf1tm1Bacc/Raf1tm2Bacc
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1.1Sva mutation (0 available); any Braf mutation (60 available)
Braftm1Sva mutation (1 available); any Braf mutation (60 available)
Raf1tm1Bacc mutation (0 available); any Raf1 mutation (117 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• no double conditional embryos are found live at E14-15, but can be isolated at E13

nervous system
• DRG neurons cultured with NGF for 5 days show impaired axon outgrowth
• sensory nerve trunks form normally, but distal arborization is reduced compared to controls
• at E13, Ret levels in DRGs are reduced

cellular
• DRG neurons cultured with NGF for 5 days show impaired axon outgrowth




Genotype
MGI:5510702
cn10
Allelic
Composition
Krastm4Tyj/Kras+
Raf1tm2Bacc/Raf1tm2Bacc
Ptf1atm1(cre)Hnak/Ptf1a+
Genetic
Background
involves: 129P2/OlaHsd * 129S4/SvJae
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Krastm4Tyj mutation (9 available); any Kras mutation (84 available)
Ptf1atm1(cre)Hnak mutation (1 available); any Ptf1a mutation (31 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• as in Krastm4Tyj Ptf1atm1(cre)Hnak double heterozygotes

endocrine/exocrine glands
• as in Krastm4Tyj Ptf1atm1(cre)Hnak double heterozygotes




Genotype
MGI:3622526
cn11
Allelic
Composition
Meox2tm1(cre)Sor/Meox2+
Raf1tm2Bacc/Raf1tm2.1Bacc
Genetic
Background
involves: 129P2/OlaHsd * 129S4/SvJaeSor
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Meox2tm1(cre)Sor mutation (3 available); any Meox2 mutation (18 available)
Raf1tm2.1Bacc mutation (0 available); any Raf1 mutation (117 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• live embryos are present at E10.5 but none survive to birth




Genotype
MGI:3713541
cn12
Allelic
Composition
Braftm1Wds/Braftm1Wds
Raf1tm2Bacc/Raf1tm2Bacc
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Wds mutation (0 available); any Braf mutation (60 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• cultured DRG neurons transfected with Cre-EGFP have very short axons, compared to long and dense axon networks formed by control neurons

cellular
• cultured DRG neurons transfected with Cre-EGFP have very short axons, compared to long and dense axon networks formed by control neurons




Genotype
MGI:3511182
cn13
Allelic
Composition
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Mx1-cre)1Cgn/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
Tg(Mx1-cre)1Cgn mutation (7 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• macrophages more sensitive to Salmonella induced apoptosis
• kinetics of apoptosis faster
• specific to Salmonella infection




Genotype
MGI:5659950
cn14
Allelic
Composition
Braftm1Wds/Braftm1Wds
Raf1tm2Bacc/Raf1tm2Bacc
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Wds mutation (0 available); any Braf mutation (60 available)
H2az2Tg(Wnt1-cre)11Rth mutation (2 available); any H2az2 mutation (26 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

cardiovascular system
• in 4 of 6 mice at E17.5
• mild conotruncal defects at E16.5
• in 4 of 6 mice at E17.5 with 1 mouse also exhibiting double outlet right ventricle

endocrine/exocrine glands
• in 5 of 8 mice at E16.5 and E17.5
• hypoplastic or malpositioned in 2 of 3 mice at E16.5
• hypoplastic or malpositioned in 2 of 3 mice at E16.5

craniofacial

growth/size/body
N
• mice exhibit normal embryonic crown-rump length

hearing/vestibular/ear
N
• mice exhibit normal external ear

skeleton

immune system
• in 5 of 8 mice at E16.5 and E17.5

hematopoietic system
• in 5 of 8 mice at E16.5 and E17.5

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
cardiofaciocutaneous syndrome DOID:0060233 OMIM:PS115150
J:144862




Genotype
MGI:3713653
cn15
Allelic
Composition
Braftm1Sva/Braf+
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Sva mutation (1 available); any Braf mutation (60 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• mice show no phenotypic abnormalities at any stage




Genotype
MGI:3713540
cn16
Allelic
Composition
Braftm1Wds/Braf+
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Wds mutation (0 available); any Braf mutation (60 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• mice show no phenotypic abnormalities at any stage




Genotype
MGI:3713536
cn17
Allelic
Composition
Braftm1Wds/Braftm1Wds
Raf1tm2Bacc/Raf1+
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Wds mutation (0 available); any Braf mutation (60 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• most die before weaning

growth/size/body
• mice are smaller in the postnatal period than Braf conditional knockouts

nervous system
• deficiency of terminal axonal projections of parvalbumin-positive neurons toward the lateral motor pools of the spinal cord is seen compared to controls
• proprioceptive axons enter spinal cord normally, but few progress beyond intermediate zone
• at P12, number of Ret+ neurons in DRG is reduced; numbers of CGRG+ neurons are increased




Genotype
MGI:3510548
cn18
Allelic
Composition
Map3k5tm1Hijo/Map3k5tm1Hijo
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Myh6-cre)2182Mds/0
Genetic
Background
involves: C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Map3k5tm1Hijo mutation (4 available); any Map3k5 mutation (62 available)
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
Tg(Myh6-cre)2182Mds mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
N
• heart size, morphology and function are not significantly different from wild-type unlike Raf1tm2Bacc, Tg(Myhca-cre)2182Mds mutants




Genotype
MGI:3510547
cn19
Allelic
Composition
Raf1tm2Bacc/Raf1tm2Bacc
Tg(Myh6-cre)2182Mds/0
Genetic
Background
involves: C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Raf1tm2Bacc mutation (2 available); any Raf1 mutation (117 available)
Tg(Myh6-cre)2182Mds mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• posterior wall thickness is significantly decreased
• the heart is enlarged; however, heart weight is not increased
• fractional shortening indicate that cardiac contractility is significantly decreased
• reduced maximal and minimal first derivatives of left ventricular pressure indicate that cardiac contractility and relaxation are significantly decreased

muscle
• posterior wall thickness is significantly decreased
• fractional shortening indicate that cardiac contractility is significantly decreased
• reduced maximal and minimal first derivatives of left ventricular pressure indicate that cardiac contractility and relaxation are significantly decreased
• increased apoptosis in the heart is seen from 3-5 weeks of age but not at 2 weeks or after 6 weeks of age

cellular
• increased apoptosis in the heart is seen from 3-5 weeks of age but not at 2 weeks or after 6 weeks of age

growth/size/body
• the heart is enlarged; however, heart weight is not increased





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