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Mamm Genome. 2013 Aug;24(7-8):286-94. doi: 10.1007/s00335-013-9467-x. Epub 2013 Aug 4.

Molecular characterization of mutant mouse strains generated from the EUCOMM/KOMP-CSD ES cell resource.

Author information

1
The Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire, CB10 1SA, UK. er1@sanger.ac.uk

Abstract

The Sanger Mouse Genetics Project generates knockout mice strains using the EUCOMM/KOMP-CSD embryonic stem (ES) cell collection and characterizes the consequences of the mutations using a high-throughput primary phenotyping screen. Upon achieving germline transmission, new strains are subject to a panel of quality control (QC) PCR- and qPCR-based assays to confirm the correct targeting, cassette structure, and the presence of the 3' LoxP site (required for the potential conditionality of the allele). We report that over 86 % of the 731 strains studied showed the correct targeting and cassette structure, of which 97 % retained the 3' LoxP site. We discuss the characteristics of the lines that failed QC and postulate that the majority of these may be due to mixed ES cell populations which were not detectable with the original screening techniques employed when creating the ES cell resource.

PMID:
23912999
PMCID:
PMC3745610
DOI:
10.1007/s00335-013-9467-x
[Indexed for MEDLINE]
Free PMC Article

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