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Genet Anal. 1996 Mar;12(5-6):173-8.

A nonradioactive method for improved restriction analysis and fingerprinting of large P1 artificial chromosome clones.

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Center for Human Genetics, Boston University School of Medicine, MA 02118, USA.


The P1 artificial chromosome (PAC) cloning system is very useful for physical mapping, however, the large insert sizes cause difficulty in routine restriction analysis. In order to facilitate restriction mapping and fingerprinting, we have developed a simple, nonradioactive method for end-labeling and detection of restriction fragments from PAC clones. This method is very easy to implement, gives good differentiation of restriction fragments, and uses comparatively small amounts of DNA. We have used this method for restriction analysis of PAC clones containing inserts from human as well as from lower vertebrates. The method should also be applicable to other large-insert plasmid systems.

[Indexed for MEDLINE]

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