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Type Mutant Strain; Spontaneous Mutation; Additional information on Genetically Engineered Mutant Mice. Species laboratory mouse Generation N31 Description
Homozygotes (Avy/Avy) and heterozygotes (Avy/A and Avy/a) show considerable variation in appearance, ranging from clear yellow, to mottling with dark patches, to a completely agouti-like coat. The variation is strongly influenced by the agouti-locus genotype and strain genome of the dam. Homozygotes and heterozygotes tend to become obese, and the degree of obesity is correlated with the amount of yellow in the coat. Avy resembles APy in causing greater tumor susceptibility and lower graft vs. host reactivity and higher hepatic malic enzyme activity. Homozygotes have a reduced humoral response to tetanus toxoid and decreased rates of carbon clearance as well as impaired mononuclear phagocyte function. The greater tumor susceptibility as well as several altered immune responses occur in Avy/a mice of mottled phenotype but not in those of agouti phenotype.Development
The Avy allele arose spontaneously in the C3H/HeJ strain.
Strains carrying Avy allele
000017 B6.C3Fe-Avy/J View Strains carrying Avy (1 strain)
Strains carrying other alleles of a
View Strains carrying other alleles of a (163 strains)
View Mammalian Phenotype Terms
Mammalian Phenotype Terms
assigned by genotype
The following phenotype information may relate to a genetic background differing from this JAX® Mice strain.
Avy/Avy
involves: C3H/HeJ
- pigmentation phenotype
- abnormal coat color (MGI Ref ID J:13080)
- skin/coat/nails phenotype
- abnormal coat color (MGI Ref ID J:13080)
Avy/a
involves: C3H/HeJ * C57BL/6
- growth/size phenotype
- obese (MGI Ref ID J:117156)
- pigmentation phenotype
- abnormal coat color (MGI Ref ID J:117156)
- variable coat color ranging from yellow, mosaic yellow/agouti, or pseudoagouti
- epigenetic coat coloration (MGI Ref ID J:117156)
- sires mated with a/a dams, but not dams mated with a/a sires, that were supplemented with methyl donors ((folate, choline, betaine, vitamin B12, zinc, and methionine) during pregnancy show a significant shift in the spectrum of color phenotypes toward pseudoagouti, indicating that in utero methyl donor supplementation affects the somatic epigenetic state of the Avy allele only when the allele is derived from the male
- F1 pseudoagouti females that had been exposed to methyl donors in utero from E8.5 to E15.5 and mated to a/a males without further methyl donor supplementation, produce offspring (F2) showing a sift toward pseudoagouti coloration, indicating that diet/environment has an enduring influence on succeeding generations, independent of later changes in diet
- skin/coat/nails phenotype
- abnormal coat color (MGI Ref ID J:117156)
- variable coat color ranging from yellow, mosaic yellow/agouti, or pseudoagouti
- epigenetic coat coloration (MGI Ref ID J:117156)
- sires mated with a/a dams, but not dams mated with a/a sires, that were supplemented with methyl donors ((folate, choline, betaine, vitamin B12, zinc, and methionine) during pregnancy show a significant shift in the spectrum of color phenotypes toward pseudoagouti, indicating that in utero methyl donor supplementation affects the somatic epigenetic state of the Avy allele only when the allele is derived from the male
- F1 pseudoagouti females that had been exposed to methyl donors in utero from E8.5 to E15.5 and mated to a/a males without further methyl donor supplementation, produce offspring (F2) showing a sift toward pseudoagouti coloration, indicating that diet/environment has an enduring influence on succeeding generations, independent of later changes in diet
- tumorigenesis
- increased tumor incidence (MGI Ref ID J:117156)
Avy/a
involves: C57BL/6J
- pigmentation phenotype
- epigenetic coat coloration (MGI Ref ID J:82396)
- this allele is heavily methylated in the sperm of agouti colored males but hypomethylated in the sperm of yellow males
- skin/coat/nails phenotype
- epigenetic coat coloration (MGI Ref ID J:82396)
- this allele is heavily methylated in the sperm of agouti colored males but hypomethylated in the sperm of yellow males
View Research Applications
Research Applications
This mouse can be used to support research in many areas including:Avy related
Dermatology Research
Color and White Spotting Defects
Developmental Biology Research
Imprinting
Diabetes and Obesity Research
Obesity Without Diabetes
Endocrine Deficiency Research
Adipose Defects
Adrenal Cortex Defects
Immunology and Inflammation Research
Immunodeficiency Associated with Other Defects
Internal/Organ Research
Adipose Defects
Adrenal Cortex Defects
| Allele Symbol | Avy | ||
|---|---|---|---|
| Allele Name | viable yellow | ||
| Allele Type | Spontaneous | ||
| Strain of Origin | C3H/HeJ | ||
| Gene Symbol and Name | a, nonagouti | ||
| Chromosome | 2 | ||
| Gene Common Name(s) | AGSW; AGTI; AGTIL; ASP; As; MGC126092; MGC126093; SHEP9; agouti; agouti signal protein; agouti suppressor; | ||
| General Note |
The Avy allele arose spontaneously in the C3H/HeJ strain. Avy resembles Ay except that homozygotes are viable and resemble heterozygotes with lower members of the series. Both homozygotes (Avy/Avy) and heterozygotes (Avy/A and Avy/a) show considerable variation in appearance, ranging from clear yellow, through mottling with dark patches, to a completely agouti-like coat (J:5475). The variation is strongly influenced by the agouti-locus genotype and strain genome of the dam (J:6103). A larger proportion of homozygotes than heterozygotes are clear yellow (J:13080). In combination with the dominant spotting allele KitW-2J, Avy heterozygotes that have the agouti phenotype have much larger white spots than those of yellow or mottled yellow phenotype (J:12035). Homozygotes and heterozygotes tend to become obese, and the degree of obesity is correlated with the amount of yellow in the coat (J:13142), except that Eso prevents synthesis of yellow pigment in Avy/- mice but does not prevent obesity (J:6103). Avy resembles a in causing greater tumor susceptibility and lower graft vs. host reactivity (J:5320) and higher hepatic malic enzyme activity (J:5759). The greater tumor susceptibility as well as several altered immune responses occur in Avy/a mice of mottled phenotype but not in those of agouti phenotype (J:7421). Genbank ID for this mutation: S74479 | ||
| Molecular Note | An intracisternal A particle (IAP) retrotransposon is inserted 100kb upstream of agouti coding sequences causing ectopic, allele-specific imprinting of agouti protein expression. [MGI Ref ID J:19977] [MGI Ref ID J:21244] [MGI Ref ID J:79708] | ||
This strain will not have a genotyping protocol or one is not currently available.
Helpful Links
Optimizing PCR Protocols
Geschwind II; Huseby RA; Nishioka R. 1972. The effect of melanocyte-stimulating hormone on coat color in the mouse. Recent Prog Horm Res 28:91-130. [PubMed: 4631622] [MGI Ref ID J:5324]
Rakyan VK; Chong S; Champ ME; Cuthbert PC; Morgan HD; Luu KV; Whitelaw E. 2003. Transgenerational inheritance of epigenetic states at the murine Axin(Fu) allele occurs after maternal and paternal transmission. Proc Natl Acad Sci U S A 100(5):2538-43. [PubMed: 12601169] [MGI Ref ID J:82396]
Avy relatedBlewitt ME; Vickaryous NK; Hemley SJ; Ashe A; Bruxner TJ; Preis JI; Arkell R; Whitelaw E. 2005. An N-ethyl-N-nitrosourea screen for genes involved in variegation in the mouse. Proc Natl Acad Sci U S A 102(21):7629-34. [PubMed: 15890782] [MGI Ref ID J:99816]
Blewitt ME; Vickaryous NK; Paldi A; Koseki H; Whitelaw E. 2006. Dynamic reprogramming of DNA methylation at an epigenetically sensitive allele in mice. PLoS Genet 2(4):e49. [PubMed: 16604157] [MGI Ref ID J:115841]
Butler AE; Janson J; Soeller WC; Butler PC. 2003. Increased beta-cell apoptosis prevents adaptive increase in beta-cell mass in mouse model of type 2 diabetes: evidence for role of islet amyloid formation rather than direct action of amyloid. Diabetes 52(9):2304-14. [PubMed: 12941770] [MGI Ref ID J:132530]
Chong S; Vickaryous N; Ashe A; Zamudio N; Youngson N; Hemley S; Stopka T; Skoultchi A; Matthews J; Scott HS; de Kretser D; O'Bryan M; Blewitt M; Whitelaw E. 2007. Modifiers of epigenetic reprogramming show paternal effects in the mouse. Nat Genet 39(5):614-22. [PubMed: 17450140] [MGI Ref ID J:122400]
Cohen PL; Scher I; Mosier DE. 1976. In vitro studies of the genetically determined unresponsiveness to thymus-independent antigens in CBA/N mice. J Immunol 116(2):301-4. [PubMed: 55435] [MGI Ref ID J:24647]
Cooney CA; Dave AA; Wolff GL. 2002. Maternal methyl supplements in mice affect epigenetic variation and DNA methylation of offspring. J Nutr 132(8 Suppl):2393S-2400S. [PubMed: 12163699] [MGI Ref ID J:94031]
Cropley JE; Suter CM; Beckman KB; Martin DI. 2006. Germ-line epigenetic modification of the murine A vy allele by nutritional supplementation. Proc Natl Acad Sci U S A 103(46):17308-12. [PubMed: 17101998] [MGI Ref ID J:117156]
DICKIES MM. 1962. A new viable yellow mutation in the house mouse. J Hered 53:84-6. [PubMed: 13886198] [MGI Ref ID J:13080]
Dickie MM. 1969. Mutations at the agouti locus in the mouse. J Hered 60(1):20-5. [PubMed: 5798139] [MGI Ref ID J:30922]
Duhl DM; Vrieling H; Miller KA; Wolff GL; Barsh GS. 1994. Neomorphic agouti mutations in obese yellow mice. Nat Genet 8(1):59-65. [PubMed: 7987393] [MGI Ref ID J:19977]
Galbraith DB; Wolff GL. 1974. Aberrant regulation of the Agouti pigment pattern in the viable yellow mouse. J Hered 65(3):137-40. [PubMed: 4847754] [MGI Ref ID J:5475]
Gasser DL; Fischgrund T. 1973. Genetic control of the immune response in mice. IV. Relationship between graft vs host reactivity and possession of the high tumor genotypes A y a and A vy a. J Immunol 110(1):305-8. [PubMed: 4405515] [MGI Ref ID J:5320]
Geisler JG; Zawalich W; Zawalich K; Lakey JR; Stukenbrok H; Milici AJ; Soeller WC. 2002. Estrogen can prevent or reverse obesity and diabetes in mice expressing human islet amyloid polypeptide. Diabetes 51(7):2158-69. [PubMed: 12086946] [MGI Ref ID J:132801]
Gill AM; Leiter EH; Powell JG; Chapman HD; Yen TT. 1994. Dexamethasone-induced hyperglycemia in obese Avy/a (viable yellow) female mice entails preferential induction of a hepatic estrogen sulfotransferase. Diabetes 43(8):999-1004. [PubMed: 8039608] [MGI Ref ID J:19459]
Hansen LA; Malarkey DE; Wilkinson JE; Rosenberg M; Woychik RE; Tennant RW. 1998. Effect of the viable-yellow (A(vy)) agouti allele on skin tumorigenesis and humoral hypercalcemia in v-Ha-ras transgenic TGxAC mice. Carcinogenesis 19(10):1837-45. [PubMed: 9806167] [MGI Ref ID J:50361]
Herberg L; Coleman DL. 1977. Laboratory animals exhibiting obesity and diabetes syndromes. Metabolism 26(1):59-99. [PubMed: 834144] [MGI Ref ID J:5759]
Jones BH; Kim JH; Zemel MB; Woychik RP; Michaud EJ; Wilkison WO; Moustaid N. 1996. Upregulation of adipocyte metabolism by agouti protein: possible paracrine actions in yellow mouse obesity. Am J Physiol 270(1 Pt 1):E192-6. [PubMed: 8772492] [MGI Ref ID J:31341]
Lamoreux ML. 1983. Developmental interaction in the pigmentary system of mice. II. Interaction in genetically identical mice. J Hered 74:440-442. [MGI Ref ID J:12035]
Leamy LJ; Hrubant HE. 1971. Effects of alleles at the agouti locus on odontometric traits in the C57BL-6 strain of house mice. Genetics 67(1):87-96. [PubMed: 5556294] [MGI Ref ID J:16571]
Morgan HD; Sutherland HG; Martin DI; Whitelaw E. 1999. Epigenetic inheritance at the agouti locus in the mouse. Nat Genet 23(3):314-8. [PubMed: 10545949] [MGI Ref ID J:79708]
Perry WL; Copeland NG; Jenkins NA. 1994. The molecular basis for dominant yellow agouti coat color mutations. Bioessays 16(10):705-7. [PubMed: 7980472] [MGI Ref ID J:21244]
Poole TW. 1980. Dermal-epidermal interactions and the action of alleles at the agouti locus in the mouse. II. The viable yellow (Avy) and mottled agouti (am) alleles. Dev Biol 80(2):495-500. [PubMed: 7004955] [MGI Ref ID J:6451]
Poole TW. 1982. The agouti suppressor (As) coat color mutation in mice: developmental effects on the expression of agouti locus alleles. J Exp Zool 220(1):57-64. [PubMed: 7077265] [MGI Ref ID J:6763]
Rakyan VK; Chong S; Champ ME; Cuthbert PC; Morgan HD; Luu KV; Whitelaw E. 2003. Transgenerational inheritance of epigenetic states at the murine Axin(Fu) allele occurs after maternal and paternal transmission. Proc Natl Acad Sci U S A 100(5):2538-43. [PubMed: 12601169] [MGI Ref ID J:82396]
Roberts DW; Wolff GL; Campbell WL. 1984. Differential effects of the mottled yellow and pseudoagouti phenotypes on immunocompetence in Avy/a mice. Proc Natl Acad Sci U S A 81(7):2152-6. [PubMed: 6609359] [MGI Ref ID J:7421]
Sheldon WG; Curtis M; Kodell RL; Weed L. 1983. Primary harderian gland neoplasms in mice. J Natl Cancer Inst 71(1):61-8. [PubMed: 6575211] [MGI Ref ID J:48633]
Simpson EM; Page DC. 1991. An interstitial deletion in mouse Y chromosomal DNA created a transcribed Zfy fusion gene. Genomics 11(3):601-8. [PubMed: 1774064] [MGI Ref ID J:11581]
Soeller WC; Janson J; Hart SE; Parker JC; Carty MD; Stevenson RW; Kreutter DK; Butler PC. 1998. Islet amyloid-associated diabetes in obese A(vy)/a mice expressing human islet amyloid polypeptide. Diabetes 47(5):743-50. [PubMed: 9588445] [MGI Ref ID J:133694]
Staats J. 1985. Standardized Nomenclature for Inbred Strains of Mice: eighth listing. Cancer Res 45(3):945-77. [PubMed: 3971387] [MGI Ref ID J:50296]
Stutman O. 1979. Spontaneous tumors in nude mice: effect of the viable yellow gene. Exp Cell Biol 47(2):129-35. [PubMed: 446837] [MGI Ref ID J:101552]
WOLFF GL. 1965. BODY COMPOSITION AND COAT COLOR CORRELATION IN DIFFERENT PHENOTYPES OF 'VIABLE YELLOW' MICE. Science 147:1145-7. [PubMed: 14242032] [MGI Ref ID J:13142]
Wang F; Tong Q. 2008. Transcription factor PU.1 is expressed in white adipose and inhibits adipocyte differentiation. Am J Physiol Cell Physiol 295(1):C213-20. [PubMed: 18463231] [MGI Ref ID J:138523]
Wolff GL. 1978. Influence of maternal phenotype on metabolic differentiation of agouti locus mutants in the mouse. Genetics 88(3):529-39. [PubMed: 640377] [MGI Ref ID J:5964]
Wolff GL; Galbraith DB; Domon OE; Row JM. 1978. Phaeomelanin synthesis and obesity in mice. Interaction of the viable yellow (Avy) and sombre (eso) mutations. J Hered 69(5):295-8. [PubMed: 744871] [MGI Ref ID J:6103]
Wolff GL; Greenman DL; Frigeri LG; Morrissey RL; Suber RL; Felton RP. 1990. Diabetogenic response to streptozotocin varies among obese yellow and among lean agouti (BALB/c x VY)F1 hybrid mice. Proc Soc Exp Biol Med 193(2):155-63. [PubMed: 2137249] [MGI Ref ID J:25297]
Wolff GL; Kodell RL; Kaput JA; Visek WJ. 1999. Caloric restriction abolishes enhanced metabolic efficiency induced by ectopic agouti protein in yellow mice. Proc Soc Exp Biol Med 221(2):99-104. [PubMed: 10352119] [MGI Ref ID J:55065]
Wolff GL; Kodell RL; Moore SR; Cooney CA. 1998. Maternal epigenetics and methyl supplements affect agouti gene expression in Avy/a mice. FASEB J 12(11):949-57. [PubMed: 9707167] [MGI Ref ID J:49124]
Wolff GL; Roberts DW; Mountjoy KG. 1999. Physiological consequences of ectopic agouti gene expression: the yellow obese mouse syndrome Physiol Genomics 1(3):151-63. [PubMed: 11015573] [MGI Ref ID J:59426]
Wolff GL; Whittaker P. 2005. Dose-response effects of ectopic agouti protein on iron overload and age-associated aspects of the Avy/a obese mouse phenome. Peptides 26(10):1697-711. [PubMed: 15982784] [MGI Ref ID J:102111]
Yen TT; Gill AM; Frigeri LG; Barsh GS; Wolff GL. 1994. Obesity, diabetes, and neoplasia in yellow A(vy)/- mice: ectopic expression of the agouti gene. FASEB J 8(8):479-88. [PubMed: 8181666] [MGI Ref ID J:18323]
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Currently there no information available for this strain. This may be due to the supply level of this strain.
| Pricing for USA, Canada and Mexico shipping destinations |
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*Price(s) in US dollars ($)
Weeks of Age Price* Gender Cryorecovery Fee $1900.00
| Pricing for International shipping destinations |
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*Price(s) in US dollars ($)
Weeks of Age Price* Gender Cryorecovery Fee $2470.00
| Standard Supply | Repository-Cryopreserved. Must Be Recovered. Please refer to pricing and supply notes for further information. |
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| Supply Notes |
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