Title Phenotype Contact
STOCK Lcl/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:2178627 Lcl MGI:2149028 Lcl
Lens cloudy. Cataracts. Mice heterozygous for this mutation show progressive cataract formation, with total opacity at approximately 3 months. Mice homozygous for this mutation have small eyes and total lens opacity at 4-5 weeks. Contact
STOCK Lhx1<tm1Bhr>/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:1857848 Lhx1<tm1Bhr> MGI:99783 Lhx1
Homozygous lethal at day 10 of gestation. Contact
STOCK Lig4<tiny>/ApbH
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:3714783 Lig4<tiny> MGI:1335098 Lig4
Small in size, no CD8 cells or B cells, TCR Tg appears to rescue T cells. Similar to human SCID. Contact
STOCK Lim2<To3>/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:1862040 Lim2<To3> MGI:104698 Lim2
Total opacity, dominant cataract. Contact
STOCK M412b
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:1857026 Foxq1<sa> MGI:1298228 Foxq1
MGI:5515447 M412b MGI:5515445 M412b
Embryonic lethal. Contact
STOCK M54B/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5515438 M54b MGI:5515436 M54b
MGI:1857026 Foxq1<sa> MGI:1298228 Foxq1
Embryonic lethal, not fully penetrant. Possible craniofacial abnormality. Mice at weaning and when adults including the sa mice which have survived have no obvious visible phenotype. Contact
STOCK Maf<Ofl>/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:2654153 Maf<Ofl> MGI:96909 Maf
Contact
STOCK Mapk14<tm2Nbr> Pax7<tm1(cre)Mrc>/JpellH
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:3715522 Mapk14<tm2Nbr> MGI:1346865 Mapk14
MGI:3497712 Pax7<tm1(cre)Mrc> MGI:97491 Pax7
No reported overt phenotype. Contact
STOCK Med31<l11Jus15> +/+ In(11Trp53;11Wnt3)8Brd/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:2671886 Med31<l11Jus15> MGI:1914529 Med31
MGI:2673211 In(11Trp53;11Wnt3)8Brd MGI:2673108 In(11Trp53;11Wnt3)8Brd
Embryonic lethality with reduced cell proliferation rates in embryonic fibroblasts. Contact
STOCK Micu1<tm1aNarl>/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
              MGI:2384909 Micu1
To see phenotype data (when available) visit www.mousephenotype.org Contact
STOCK Mitf<Rorp>/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:2178357 Mitf<Rorp> MGI:104554 Mitf
Dilute coat/ear/tail colour. Heterozygotes have pigment dilution, while homozygotes lack coat pigment, but retain eye (iris) pigment and do not have small eyes. Contact
STOCK Mut1154/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5427409 Mut1154 MGI:5427407 Mut1154
Small at birth and small at weaning with cranial doming, variably wide between eyes and shortened nasal passage. Very limited weight data, but heterozygotes estimated to be 15% smaller than wild-type sibs at weaning. Not deaf. Cytogenetics: no obvious gross chromosome abnormality detected. Contact
STOCK Mut1264/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5427414 Mut1264 MGI:5427412 Mut1264
Craniofacial and behavioural mutant with distal low degree tail kink. Homozygous pre-implantation lethal. Heterozygotes have a flat skull, short, blunt tails with a low degree distal kink and some have white feet. Behavioural abnormalities include head bobbing and erratic behaviour but they can swim. Heterozygotes are approximately 30% smaller than wild-type sibs at birth and weaning. High incidence of exencephaly in fetuses. Contact
STOCK Mut1293/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5427423 Mut1293 MGI:5427421 Mut1293
Heterozygotes are small at birth and weaning. Broad head, bulging eyes, some have ear problems i.e. a build up of a hard white deposit and signs of blood. Penetrance of the phenotype and viability of affected individuals to weaning is good. Homozygotes die post implantation, or survive for longer but are oedematous and have skeletal bone/cartilage abnormalities; limited intercross data suggest that they do not survive post-natally. Contact
STOCK Mut1305/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5429756 Mut1305 MGI:5429751 Mut1305
Small with white toes; sometimes with domed head. Affected heterozygotes are, on average, circa 30% smaller than normal littermates at birth, and about 20% smaller at weaning. Many have white toes; about 15% of affected mice have a noticeably domed head at weaning. Litter sizes are good, suggesting little pre/peri-natal loss of heterozygotes and thus penetrance of mutation phenotype is about 80%. Viability to weaning is about 70%. Homozygotes: data from openings strongly suggest that they die by early post implantation. Contact
STOCK Mut1397/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5428963 Mut1397 MGI:5428961 Mut1397
Heterozygotes: shortened tail with mild to severe kinking and blunt tail tip. Homozygous lethal. Heterozygotes: viability good, but reduced penetrance of phenotype on crossing to 3H1 (circa 70%), much more reduced on crossing to Mus castaneus. Opening and breeding data indicate that homozygotes are lost pre and early post-implantation. Allelism test with t<h2> (MGI:1856184) showed Mut1397 not to be an allele of T (MGI:1856184). Contact
STOCK Mut1488/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5470112 Mut1488 MGI:5470110 Mut1488
Heterozygotes are less than 75% of the weight of their wild-type sibs at birth; limited weight data at weaning suggest that there is a similar size difference at this time point. Mut1488/+ have small eyes, occasionally with domed heads, some have white toes. Breeding data indicate that there is reduced penetrance of the mutation (circa 50%) on a 3H1 background. Data from openings indicate that homozygotes are lost soon after implantation. Contact
STOCK Mut1544/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5442354 Mut1544 MGI:5442350 Mut1544
Heterozygotes have a bruised appearance at birth with bloody areas beneath the skin, most common around the belly and abdomen, some around the neck and back legs. Most also have a domed head. Penetrance of the mutation is slightly reduced, but estimated to be over 70%. Affected offspring are about 20% lighter than normal sibs at birth, and about 35% lighter than wild-type gender matched sibs at weaning. Viability of affected offspring between birth and weaning is estimated to be about 75%. Average litter size of heterozygous females is reduced (estimate: 4.9). Homozygotes: opening data indicate that they probably die by early post implantation, with a large proportion dying pre-implantation. Contact
STOCK Mut1602/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5470123 Mut1602 MGI:5470121 Mut1602
Heterozygotes are small at birth (over 40% lighter than wild-type sibs) and weaning with white hind feet, short tail and head bobbing. Breeding data suggest that penetrance of the mutation is reduced (circa 65%) and that under 60% survive between birth and weaning. Homozygotes are primarily lost post implantation. There is little or no loss of heterozygotes prior to birth. Contact
STOCK Mut921/H
Allele MGI ID Allele Name Gene MGI ID Gene Name
MGI:5430732 Mut921 MGI:5430735 Mut921
Key feature of heterozygotes is a short broad head, wide between eyes, shortened nasal passage with occasional indication of cleft. White feet and belly spots also seen. Small at birth and weaning (approx 30% lighter than wild-type sibs). Recovery at birth reduced due to some prenatal loss of foetuses with more extreme head abnormality. Viability from birth to weaning is circa 60%. Homozygotes are probably lethal pre-implantation. Contact

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