Watkins Star Line B (WSB) was derived from wild mice trapped in Eastern Shore, Maryland. Wild-derived mice are genetically distinct from common laboratory mice for a number of complex phenotypic characteristics and are valuable tools for genetic mapping, evolution and systematics research.Read More +
Watkins Star Line B (WSB) was derived from wild mice trapped in Eastern Shore, Maryland. WSB is characterized by a distinct and consistent white head blaze, variable ventral spotting and a slight coat dilution on the agouti background. The variation in pigment is the result of the spontaneous mutation blaze (Kitlblz).Wild-derived mice are genetically distinct from common laboratory mice for a number of complex phenotypic characteristics and are valuable tools for genetic mapping, evolution and systematics research.
Founder mice for the wild-derived strain Watkins Star Line B (WSB) were trapped in Eastern Shore, Maryland by Michael Potter (NCI) in 1976. One of two lines, WSB was selected for dark agouti coat color with white head blaze. Mice were sent to EM Eicher at The Jackson Laboratory in 1986.
|Allele Name||wild-type agouti|
|Allele Synonym(s)||dark-bellied agouti|
|Gene Symbol and Name||a, nonagouti|
|Gene Synonym(s)||AGSW; AGTI; AGTIL; ASP; As; As; SHEP9; agouti; agouti signal protein; agouti suppressor|
|Strain of Origin||various|
|General Note||The A allele is usually regarded as a wild-type allele. For example,the C3H and CBA mouse sublines are homozygous for agouti. Hairs are black with a subapical yellow band. This black-yellow-black pattern is referred to as agouti. The general appearance is yellowish brown, slightly lighter on the belly than on the back.|
|Molecular Note||This allele, often referred to as wild-type, comprises a novel 131 amino acid protein encoded in a gene comprising four exons, three coding, spanning 18kb. Unique changes in this gene account for all other alleles that have been molecularly characterized. The expression of this allele is almost always dominant to other alleles of this gene.|
|Gene Symbol and Name||Kitl, kit ligand|
|Gene Synonym(s)||Clo; Con; DCUA; DFNA69; FPH2; FPHH; Gb; Gb; KL-1; Kitlg; MGF; Mgf; Mgf; SCF; SF; SHEP7; SLF; Sl; Sl; Steel; Steel factor; blaze; blz; blz; cloud gray; contrasted; grizzle-belly; grizzle-belly; mast cell growth factor; steel; stem cell factor|
|Strain of Origin||WSB/Pt|
|Molecular Note||Complementation tests with KitlSl, KitlSl-d, and Kitlsl-24J showed blaze (blz) to be an allele of Kitl. The molecular lesion is undefined.|
These mice are very difficult to handle.
When using the WSB/EiJ mouse strain in a publication, please include JAX stock #001145 in your Materials and Methods section.
We will fulfill your order by providing at least two carriers for each strain ordered. The total number, sex, and genotypes provided will vary, although typically 8 or more animals are provided. Please check genotypes which will be recovered. While the genotypes of all animals produced will be communicated to you prior to scheduling shipment, the genotypes of animals provided may not reflect the mating scheme and genotypes described in the strain description. Animals are typically ready to ship in 11-14 weeks. If a second recovery is required to produce the minimum number of animals, then delivery time would increase to approximately 25 weeks. If we fail to produce animals of the correct genotype, you will not be charged. We cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.
Cryorecovery to establish a Dedicated Supply for greater quantities of mice. Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation.
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