... and curve DNA supercoiling, which allows DNA compaction into a very small volume, is an attribute of almost all DNA in vivo (11) Importantly, DNA supercoiling has a significant influence on DNA- associated ... determination Gaussian-type distributions of DNA bands are observed in circular DNA closed by ligase or by DNA- relaxing enzyme in the absence of EtdBr and are the result of thermal fluctuation in ... turns in native virion SV40 DNA and minicol DNA determined by the band counting method Cell 8: 215-226 13 Yamada, H., Yoshida, T., Tanaka, K., Sasakawa, C., Mizuno, T 1991 Molecular analysis of...