Description

Strain Information

Former Names C57BL/6NCrJ    (Changed: 26-APR-05 ) Type Inbred Strain; Additional information on Inbred Strains. Visit our online Nomenclature tutorial. Mating System Inbred x Inbred         (Female x Male)   01-MAR-06 Species laboratory mouse Generation F?+8 (22-SEP-08)

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Appearance
black
Related Genotype: a/a

Description
This is an NIH subline of C57BL/6. It was separated from C57BL/6J in 1951. 5 SNP differences have been identified that distinguish C57BL/6J from C57BL/6ByJ and C57BL/6NJ. Both C57BL/6ByJ and C57BL/6NJ type as follows: 08-015199792-M (rs3709624) is C; 11-004367508-M (rs3659787) is A; 13-041017317-M (rs3722313) is C; 15-057561875-M (rs3702158) is G; 19-049914266-M (rs3724876) is T. C57BL/6J types as follows: 08-015199792-M is T; 11-004367508-M is G; 13-041017317-M is T; 15-057561875-M is A; 19-049914266-M is G (Petkov and Wiles 2005.) This strain does not have the deletion in the Nnt gene that has been found in the C57BL/6J strain (Stock No. 000664).

Development
In 1951 C57BL/6J, then at generation F32, were sent from The Jackson Laboratory to The National Institute of Health where they were maintained via sibling mating for decades. In 1980 this subline reached F126 and in 1984 embryos were cryopreserved at the NIH cryopreservation facility. In approximately 1994 some of these embryos were thawed and maintained via sibling mating and this subline was referred to as B6(e84) to specify that it derived from the embryos frozen in 1984. In September and October of 1997 a new set of embryos were cryopreserved from this thawed line by backcrossing +F6 females to their +F5 fathers. In 2005 some of these embryos frozen in 1997 were sent to The Jackson Laboratory where they were thawed and gave rise to C57BL/6NJ. Thus, C57BL/6NJ is devoid of mutations that may have arisen in any C57BL/6N sublines that remained on the shelf after the 1984 freeze. The embryos received by The Jackson Laboratory were thawed, the colony expanded, and re-frozen immediately. This strain is maintained with frequent replenishment from this frozen stock in order to arrest genetic drift.

Related Strains

C57BL Strains

000665	C57BL/10J
003752	C57BL/10ScNJ
000476	C57BL/10ScSnJ
000666	C57BL/10SnJ
001822	C57BL/10SxJ
001197	C57BL/10WtRkJ
000663	C57BL/6By
001139	C57BL/6ByJ
009123	C57BL/6HaJ
000664	C57BL/6J
000924	C57BL/6JEiJ

View C57BL Strains     (11 strains)

Additional Web Information

Genetic Quality Control Annual Report
JAX^® NOTES, Fall 2008; 511. Influence of Nnt alleles on DIO in C57BL/6 JAX^® Mice.
JAX^® NOTES, Winter 2008; 512. New resource illustrates divergence of C57BL/6 laboratory mouse substrains.

Phenotype

Phenotype Information

View Phenotypic Data

Phenotypic Data

Festing Inbred Strain Characteristics: C57BL

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Research Applications

This mouse can be used to support research in many areas including:

Research Tools
General Purpose

Genes & Alleles

Gene & Allele Information

Currently there are no related genes or alleles for this strain.

Genotyping

Genotyping Information

Inbred mouse strains are maintained through sibling (sister x brother) matings; no genotyping required.

Helpful Links

Genotyping resources and troubleshooting

References

References

Selected Reference(s)

Toye AA; Lippiat JD; Proks P; Shimomura K; Bentley L; Hugill A; Mijat V; Goldsworthy M; Moir L; Haynes A; Quarterman J; Freeman HC; Ashcroft FM; Cox RD. 2005. A genetic and physiological study of impaired glucose homeostasis control in C57BL/6J mice. Diabetologia 48(4):675-86. [PubMed: 15729571]  [MGI Ref ID J:106692]

Health & husbandry

Health & Colony Maintenance Information

Animal Health Reports

Room Number           MP19

Colony Maintenance

Mating System	Inbred x Inbred         (Female x Male)   01-MAR-06
Diet Information	LabDiet® 5K52/5K67

Purchasing information

Pricing, Supply Level & Notes, Controls, General Terms & Conditions

Pricing

Supply Details

Standard Supply	Level 2. Up to 100 mice. Larger quantities or custom orders arranged upon request.
Supply Notes	Shipped at a specific age in weeks. Mice at a precise age in days, littermates and retired breeders are also available. Strains that must be genotyped are not available until five to seven weeks of age. Genomic DNA is available for this strain from the Mouse DNA Resource.

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Terms are granted by individual review and stated on the customer invoice(s) and account statement. These transactions are payable in U.S. currency within the granted terms. Payment for services, products, shipping containers, and shipping costs that are rendered are expected within the payment terms indicated on the invoice or stated by contract. Invoices and account balances in arrears of stated terms may result in The Jackson Laboratory pursuing collection activities including but not limited to outside agencies and court filings.

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The Jackson Laboratory's Genotype Promise

The Jackson Laboratory has rigorous genetic quality control and mutant gene genotyping programs to ensure the genetic background of JAX^® Mice strains as well as the genotypes of strains with identified molecular mutations. JAX^® Mice strains are only made available to researchers after meeting our standards. However, the phenotype of each strain may not be fully characterized and/or captured in the strain data sheets. Therefore, we cannot guarantee a strain's phenotype will meet all expectations. To ensure that JAX^® Mice will meet the needs of individual research projects or when requesting a strain that is new to your research, we suggest ordering and performing tests on a small number of mice to determine suitability for your particular project.

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