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Development of SNP markers for C57BL/6N-derived mouse inbred strains.


ABSTRACT: C57BL/6N inbred mice are used as the genetic background for producing knockout mice in large-scale projects worldwide; however, the genetic divergence among C57BL/6N-derived substrains has not been verified. Here, we identified novel single nucleotide polymorphisms (SNPs) specific to the C57BL/6NJ strain and selected useful SNPs for the genetic monitoring of C57BL/6N-derived substrains. Informative SNPs were selected from the public SNP database at the Wellcome Trust Sanger Institute by comparing sequence data from C57BL/6NJ and C57BL/6J mice. A total of 1,361 candidate SNPs from the SNP database could distinguish the C57BL/6NJ strain from 12 other inbred strains. We confirmed 277 C57BL/6NJ-specific SNPs including 10 nonsynonymous SNPs by direct sequencing, and selected 100 useful SNPs that cover all of the chromosomes except Y. Genotyping of 11 C57BL/6N-derived substrains at these 100 SNP loci demonstrated genetic differences among the substrains. This information will be useful for accurate genetic monitoring of mouse strains with a C57BL/6N-derived background.

SUBMITTER: Mekada K 

PROVIDER: S-EPMC4329520 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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Development of SNP markers for C57BL/6N-derived mouse inbred strains.

Mekada Kazuyuki K   Hirose Mayu M   Murakami Ayumi A   Yoshiki Atsushi A  

Experimental animals 20141023 1


C57BL/6N inbred mice are used as the genetic background for producing knockout mice in large-scale projects worldwide; however, the genetic divergence among C57BL/6N-derived substrains has not been verified. Here, we identified novel single nucleotide polymorphisms (SNPs) specific to the C57BL/6NJ strain and selected useful SNPs for the genetic monitoring of C57BL/6N-derived substrains. Informative SNPs were selected from the public SNP database at the Wellcome Trust Sanger Institute by comparin  ...[more]

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