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Detection of action of DNase I on plasmid pAVA213-8. (A) Free DNA; (B) DNA adsorbed on illite; (C) DNA adsorbed on illite saturated with BSA. Lane 1: smart ladder (Eurogentec); lanes 2 to 7, 0, 0.1, 0.5, 1, 5, and 10 μg of DNase I ml−1, respectively. Abbreviations: CCC, covalently closed circular form; OC, open circular form; L, linear form.
