Laboratoire de Biochimie, Faculté des Sciences, Université de Liège, Sart Tilman B6, 4000 Liège I Belgium
Abstract:
The interstrand crosslinks that appear in stored depurinated DNA interfere with the counting of apurinic sites and strand breaks by sucrose gradient analysis. They could not be cleaved at acid or alkaline pH, or by treatment with methoxyamine.