Ultraviolet light irradiation of PM2 superhelical DNA.

Superhelical PM2 DNA can be photochemically modified by u.v. irradiation. The variation of S20,w with dose shows the following characteristics. There is a linear increase from 28 to 31s produced by a low dose of u.v. irradiation (4,000 ergs/mm2). A plateau in S20,w occurs between 4,000 and 10,000 er...

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Bibliographic Details
Main Authors: Woodworth-Gutai, M, Lebowitz, J, Kato, A C, Denhardt, D T
Format: Artigo
Language:Inglês
Published: 1977
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC343752/
https://ncbi.nlm.nih.gov/pubmed/896460
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