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am-J
Spontaneous Allele Detail
Summary
Symbol: am-J
Name: nonagouti; mottled agouti Jackson
MGI ID: MGI:1855948
Gene: a  Location: Chr2:154792519-154892932 bp, + strand  Genetic Position: Chr2, 76.83 cM
Alliance: am-J page
Mutation
origin
Strain of Origin:  (C57BL/6J x C3H/HeJ)F1
Mutation
description
Allele Type:    Spontaneous (Hypomorph)
Mutation:    Undefined
    This mutation appears to represent a regulatory mutation that down-regulates agouti expression. (J:24934)
Inheritance:    Recessive
Phenotypes
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View phenotypes and curated references for all genotypes (concatenated display).
Expression
In Structures Affected by this Mutation: 1 anatomical structure(s)
Find Mice (IMSR)
Mouse strains and cell lines available from the International Mouse Strain Resource (IMSR)
Carrying this Mutation:  Mouse Strains: 1 strain available      Cell Lines: 0 lines available
Carrying any a Mutation:  463 strains or lines available
Notes
This allele is dominant to a. This mutation at the agouti locus arose in a C57BL/6J x C3H/HeJ F1 male. As with am the variation in color is influenced by the genome of the dam (J:16570).
References
Original:  J:16570 Lane PW, Mottled agouti-J (am-J). Mouse News Lett. 1989;84:89
All:  2 reference(s)

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
03/19/2024
MGI 6.23
The Jackson Laboratory