Selective insolubility of active hsp70 gene chromatin.

Abstract

A gentle chromatin fractionation procedure was used to investigate solubility properties of Drosophila hsp70 heat-shock genes. After a brief digestion of isolated nuclei with micrococcal nuclease, most DNA is readily solubilized under low-ionic-strength conditions that maintain native nucleosomal organization. Actively transcribing hsp70 genes, however, are… (More)

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