Electron microscopy can be used to measure DNA supertwisting

Biophysical chemistry

S.P. Spragg · Nature · 1979 · 1.7K citations

The twisted circular form of polyoma viral DNA.

Jerome Vinograd, Jacob Lebowitz, R. J. Radloff et al. · Proceedings of the National Academy of Sciences · 1965 · 548 citations

Determination of the number of superhelical turns in simian virus 40 DNA by gel electrophoresis.

Walter Keller · Proceedings of the National Academy of Sciences · 1975 · 540 citations · Full text

Superhelical Turns, Genetics, Dna Analysis +20

Helical repeat of DNA in solution.

J C Wang · Proceedings of the National Academy of Sciences · 1979 · 487 citations · Full text

Action of nicking-closing enzyme on supercoiled and nonsupercoiled closed circular DNA: formation of a Boltzmann distribution of topological isomers.

David E. Pulleyblank, Mavis Shure, David Tang et al. · Proceedings of the National Academy of Sciences · 1975 · 377 citations

Boltzmann Distribution, Dna Analysis, Molecular Biology +20