Abstract

A procedure is presented for the purification of DNA from tobacco callus cells. The procedure can be scaled up for the preparation in large quantity of DNA free of RNA, protein, and polysaccharide. The DNA prepared by this procedure has the same melting temperature and buoyant density as tobacco DNA prepared by previously published procedures and is of sufficient purity to be used for analysis of the reassociation kinetics of tobacco callus DNA. The DNA has been used as a source for the isolation of tobacco single-copy DNA.

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