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. 1988 Oct 11;16(19):9177–9184. doi: 10.1093/nar/16.19.9177

A novel procedure for selective cloning of NotI linking fragments from mammalian genomes.

T Ito 1, Y Sakaki 1
PMCID: PMC338699  PMID: 2459661

Abstract

A novel procedure has been developed for selective cloning of NotI linking fragments from mammalian genomes. Since the majority of the NotI sites in mammalian genomes are considered to be localized in so-called HTF (HpaII tiny fragment) islands, an HTF library was constructed as an initial step to enrich the NotI sites. The plasmid DNAs were isolated en masse from the HTF library and digested with NotI. Linearized plasmid DNAs derived from NotI linking clones were efficiently separated from undigested circular DNAs by an unique pulsed field polyacrylamide gel electrophoresis (PF-PAGE). The linear DNAs were eluted from the gel, recircularized with T4 DNA ligase and introduced into E. coli cells. About 95% of the transformants were found to contain NotI linking fragments. The procedure will thus provide a simple and useful way of collecting NotI linking fragments for long range physical mapping of mammalian genomes.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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