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Type Mutant Stock; Additional information on Genetically Engineered and Mutant Mice. Visit our online Nomenclature tutorial. Species laboratory mouse Generation F14 Appearance
nonagouti brown
Related Genotype: a/a Tyrp1b/Tyrp1bDescription
Shimmy homozygotes can generally be identified by 12-14 days of age by a hesitant, wobbly gait with swaying hindquarters and slightly smaller overall body size as compared with unaffected littermates. There can be a delay in the opening of the eyes such that one or both remain closed until 15 to 20 days of age.Development
The shimmy mutation (shmy) arose spontaneously in 1991 in a non-inbred strain bearing sks. sks arose spontaneously in A/J and was crossed to B6C3Fe-a/a before sibling mating for several generations with selection for a and Tyrp1b. shmy arose in this stock when it was at F7 and presented in a male, which did not breed, and a female which bred successfully with an unaffected sibling. This strain was maintained via sibling mating primarily homozygous females with heterozygous males and in 1994 embryos were cryopreserved from matings of heterozygous and homozygous females at generation F13 and beyond with heterozygous males at generation F15.
Strains carrying Tyrp1b allele
000004 ABP/LeJ 000571 B6.Cg-Whrnwi Tyrp1b/+ +/J 000027 B6.D-Tyrp1b Dock7m/J 000670 DBA/1J 000265 MY/HuLeJ 001045 SI/Col Tyrp1b Dnahc11iv/J 000064 STOCK a Tyrp1b Sisi/J 001432 STOCK a/a Tyrp1b sks/Tyrp1b +/J 000594 STOCK T(2;8)26H a/T(2;8)26H a Tyrp1+/Tyrp1b/J 001101 STOCK T(3;4)5Rk Tyrp1b/J 000274 TSJ/LeJ View Strains carrying Tyrp1b (11 strains)
Strains carrying a allele
View Strains carrying a (104 strains)
Strains carrying other alleles of Tyrp1
000957 AKXD28/TyJ 000093 B6.B10(D1)-Tyrp1b-c/J 008684 B6.Cg-Rag1tm1Mom Tyrp1B-w Tg(Tcra,Tcrb)9Rest/J 000068 C57BL/6J-Tyrp1b-J/J 000671 DBA/2J 006252 LT/SvEiJ 002142 STOCK 11R30m/J 000594 STOCK T(2;8)26H a/T(2;8)26H a Tyrp1+/Tyrp1b/J View Strains carrying other alleles of Tyrp1 (8 strains)
Strains carrying other alleles of a
View Strains carrying other alleles of a (81 strains)
View Mammalian Phenotype Terms
Mammalian Phenotype Terms
assigned by genotype
shmy/shmy
STOCK sks
- behavior/neurological phenotype
- abnormal gait (MGI Ref ID J:22093)
- hesitant and wobbly gait evident at 12-14 days of age
- vision/eye phenotype
- delayed eyelid opening (MGI Ref ID J:22093)
- one or both eyes sometimes remained closed until 15-20 days of age, however eyes appeared normal once opened
- reproductive system phenotype
- male infertility (MGI Ref ID J:22093)
- homozygous mutant males did not breed, however testes and sperm were normal
- nervous system phenotype
- axonal dystrophy (MGI Ref ID J:22093)
- observed a few dystrophic axons in the lateral nucleus of the cerebellum
View Research Applications
Research Applications
This mouse can be used to support research in many areas including:Tyrp1b related
shmy relatedDermatology Research
Color and White Spotting Defects
Mouse/Human Gene Homologs
oculocutaneous albinism type III
Neurobiology Research
Ataxia (Movement) Defects
Cerebellar Defects
| Allele Symbol | Tyrp1b | ||
|---|---|---|---|
| Allele Name | brown | ||
| Allele Type | Spontaneous | ||
| Common Name(s) | b; | ||
| Strain of Origin | old mutant of the mouse fancy | ||
| Gene Symbol and Name | Tyrp1, tyrosinase-related protein 1 | ||
| Chromosome | 4 | ||
| Gene Common Name(s) | B; CAS2; CATB; GP75; TRP; TRP-1; TRP1; TYRP; Tyrp; b; b-PROTEIN; brown; iris stromal atrophy; isa; tyrosinase-related protein; | ||
| General Note | The eumelanin of the hair and eyes is brown rather than black. The pigment granules also appear brown rather than black and are spheroid rather than ovoid in shape (J:12970). The fine structure of the developing pigment granules is fibrillar, like that of wild-type mice, but the appearance of the mature granule may be more coarsely granular (J:5346, J:5001, J:5068). The granules incorporate twice as much 14C-tyrosine as normal (J:12173). | ||
| Molecular Note | A G-to-A transition point mutation at position 329 was shown by revertant analysis to be responsible for the mutant phenotype seen in the brown mutant. This mutation is predicted to change a cysteine residue to a tyrosine in the encoded protein. Three other point mutations in the brown sequence were identified, but do not contribute to the mutant phenotype. [MGI Ref ID J:44435] | ||
| Allele Symbol | a | ||
| Allele Name | nonagouti | ||
| Allele Type | Spontaneous | ||
| Allele Symbol | shmy | ||
| Allele Name | shimmy | ||
| Allele Type | Spontaneous | ||
| Strain of Origin | STOCK sks | ||
| Gene Symbol and Name | shmy, shimmy | ||
| Chromosome | 14 | ||
This strain will not have a genotyping protocol or one is not currently available.
Helpful Links
Genotyping resources and troubleshooting
Tyrp1b relatedshmy relatedAnderson MG; Libby RT; Mao M; Cosma IM; Wilson LA; Smith RS; John SW. 2006. Genetic context determines susceptibility to intraocular pressure elevation in a mouse pigmentary glaucoma. BMC Biol 4:20. [PubMed: 16827931] [MGI Ref ID J:128215]
Anderson MG; Nair KS; Amonoo LA; Mehalow A; Trantow CM; Masli S; John SW. 2008. GpnmbR150X allele must be present in bone marrow derived cells to mediate DBA/2J glaucoma. BMC Genet 9:30. [PubMed: 18402690] [MGI Ref ID J:134670]
Brooks BP; Larson DM; Chan CC; Kjellstrom S; Smith RS; Crawford MA; Lamoreux L; Huizing M; Hess R; Jiao X; Hejtmancik JF; Maminishkis A; John SW; Bush R; Pavan WJ. 2007. Analysis of ocular hypopigmentation in Rab38cht/cht mice. Invest Ophthalmol Vis Sci 48(9):3905-13. [PubMed: 17724166] [MGI Ref ID J:124886]
Center EM; Hunter RL; Dodge AH. 1967. Effects of the luxoid gene (lu) on liver esterase isozymes of the mouse. Genetics 55(2):349-58. [PubMed: 6067640] [MGI Ref ID J:109970]
Coleman DL. 1962. Effect of genic substitution on the incorporation of tyrosine into the melanin of mouse skin. Arch Biochem Biophys 96:562-8. [PubMed: 13880466] [MGI Ref ID J:12173]
Gruneberg H. 1952. . In: The Genetics of the Mouse. Martinus Nijhoff, The Hague. [MGI Ref ID J:30758]
Hearing VJ; Phillips P; Lutzner MA. 1973. The fine structure of melanogenesis in coat color mutants of the mouse. J Ultrastruct Res 43(1):88-106. [PubMed: 4634048] [MGI Ref ID J:5346]
Howell GR; Libby RT; Jakobs TC; Smith RS; Phalan FC; Barter JW; Barbay JM; Marchant JK; Mahesh N; Porciatti V; Whitmore AV; Masland RH; John SW. 2007. Axons of retinal ganglion cells are insulted in the optic nerve early in DBA/2J glaucoma. J Cell Biol 179(7):1523-37. [PubMed: 18158332] [MGI Ref ID J:131073]
Hunsicker PR. 1969. White-based brown, B<W> Mouse News Lett 40:41. [MGI Ref ID J:13492]
Kobayashi T; Imokawa G; Bennett DC; Hearing VJ. 1998. Tyrosinase stabilization by Tyrp1 (the brown locus protein). J Biol Chem 273(48):31801-5. [PubMed: 9822646] [MGI Ref ID J:51301]
Lamoreux ML; Wakamatsu K; Ito S. 2001. Interaction of major coat color gene functions in mice as studied by chemical analysis of eumelanin and pheomelanin. Pigment Cell Res 14(1):23-31. [PubMed: 11277491] [MGI Ref ID J:103803]
Little CC. 1916. The occurrence of three recognized coat mutations in mice Am Naturalist 1:335-349. [MGI Ref ID J:150254]
Markert CL; Silvers WK. 1956. The Effects of Genotype and Cell Environment on Melanoblast Differentiation in the House Mouse. Genetics 41(3):429-50. [PubMed: 17247639] [MGI Ref ID J:12970]
Matheu A; Pantoja C; Efeyan A; Criado LM; Martin-Caballero J; Flores JM; Klatt P; Serrano M. 2004. Increased gene dosage of Ink4a/Arf results in cancer resistance and normal aging. Genes Dev 18(22):2736-46. [PubMed: 15520276] [MGI Ref ID J:93879]
Mouse Genome Informatics (MGI). 2005. Information obtained from the Oak Ridge National Laboratory Mutant Mouse Database (ORNL), Oak Ridge, TN (http://bio.lsd.ornl.gov/mouse/) :. [MGI Ref ID J:100221]
Moyer FH. 1966. Genetic variations in the fine structure and ontogeny of mouse melanin granules. Am Zool 6(1):43-66. [PubMed: 5902512] [MGI Ref ID J:5001]
Murray WS. 1934. The breeding behavior of the dilute brown stock of mice (Little dba) Am J Cancer 20:573-593. [MGI Ref ID J:2464]
RIKEN BioResource Center/RIKEN Genomic Sciences Center. 2008. A Large Scale Mutagenesis Program in RIKEN GSC PhenoSITE, World Wide Web (URL: http://www.brc.riken.jp/lab/gsc/mouse/) :. [MGI Ref ID J:133634]
RUSSELL ES. 1949. A quantitative histological study of the pigment found in the coat-color mutants of the house mouse; interdependence among the variable granule attributes. Genetics 34(2):133-45. [PubMed: 18117146] [MGI Ref ID J:148461]
Raymond S; Jackson IJ. 1994. Molecular characterization of the mouse B<w> mutation causing premature melanocyte death - melanocytes and early development Genet Res 63(2):155 (Abstr). [MGI Ref ID J:18590]
Rittenhouse E. 1968. Genetic effect on fine structure and development of pigment granules in mouse hair bulb melanocytes. I. The b and d loci. Dev Biol 17(4):351-65. [PubMed: 5650006] [MGI Ref ID J:5068]
Russell ES. 1948. A Quantitative Histological Study of the Pigment Found in the Coat Color Mutants of the House Mouse. II. Estimates of the Total Volume of Pigment. Genetics 33(3):228-36. [PubMed: 17247280] [MGI Ref ID J:148462]
Russell ES. 1946. A Quantitative Histological Study of the Pigment Found in the Coat-Color Mutants of the House Mouse. I. Variable Attributes of the Pigment Granules. Genetics 31(3):327-46. [PubMed: 17247200] [MGI Ref ID J:148463]
Silvers WK. 1979. The Coat Colors of Mice; A Model for Mammalian Gene Action and Interaction. In: The Coat Colors of Mice. Springer-Verlag, New York. [MGI Ref ID J:78801]
Smyth IM; Wilming L; Lee AW; Taylor MS; Gautier P; Barlow K; Wallis J; Martin S; Glithero R; Phillimore B; Pelan S; Andrew R; Holt K; Taylor R; McLaren S; Burton J; Bailey J; Sims S; Squares J; Plumb B; Joy A; Gibson R; Gilbert J; Hart E; Laird G; Loveland J; Mudge J; Steward C; Swarbreck D; Harrow J; North P; Leaves N; Greystrong J; Coppola M; Manjunath S; Campbell M; Smith M; Strachan G; Tofts C; Boal E; Cobley V; Hunter G; Kimberley C; Thomas D; Cave-Berry L; Weston P; Botcherby MR; White S; Edgar R; C. 2006. Genomic anatomy of the Tyrp1 (brown) deletion complex. Proc Natl Acad Sci U S A 103(10):3704-9. [PubMed: 16505357] [MGI Ref ID J:107243]
Zdarsky E; Favor J; Jackson IJ. 1990. The molecular basis of brown, an old mouse mutation, and of an induced revertant to wild type. Genetics 126(2):443-9. [PubMed: 2245916] [MGI Ref ID J:44435]
Lane PW; Cook SA; Bronson RT; Johnson KR; Davisson MT. 1994. Shimmy (shmy), a new mutation on Chromosome 14 of the mouse. Mouse Genome 92(4):686-687. [MGI Ref ID J:22093]
Colony Maintenance
Breeding & Husbandry Males homozygous for shimmy do not breed, but are not sterile. Many, but not all, homozygous females are fertile and do breed. Thus, this strain can be maintained by breeding homozygous or heterozygous females with heterozygous males.
| Pricing for USA, Canada and Mexico shipping destinations |
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Animals Provided
Price (US dollars $) Cryorecovery Fee $1900.00 At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.
| Pricing for International shipping destinations |
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Animals Provided
Price (US dollars $) Cryorecovery Fee $2470.00 At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.
| Standard Supply | Cryopreserved. Ready for recovery. Please refer to pricing and supply notes for further information. |
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| Supply Notes |
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