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BAC libraries and comparative genomics of aquatic chordate species.

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  • 1Molecular Genetics Department, Benaroya Research Institute at Virginia Mason, 1201 Ninth Avenue, Seattle, WA 98101, USA. tmiyake@benaroyaresearch.org


The bacterial artificial chromosome (BAC) system is useful for creating a representation of the genomes of target species. The system is advantageous in that it can accommodate exogenous inserts that are very large (>100 kilobases, kb), thereby allowing entire eukaryotic genes (including flanking regulatory regions) to be encompassed in a single clone. The interest in BACs has recently been spawned by vast improvements in high throughput genomic sequencing such that comparisons of orthologous regions from different genomes (comparative genomics) are being routinely investigated, and comprise a significant component, of all major sequencing centers. In this review, we discuss the general principles of BAC cloning, the resources that are currently available, and some of the applications of the technology. It is not intended to be an exhaustive treatise; rather our goal is to provide a primer of the BAC technology in order to make readers aware of these resources and how they may utilize them in their own research programs.

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