Characterization of Escherichia coli nucleoids released by osmotic shock.

Abstract

Nucleoids were isolated by osmotic shock from Escherichia coli spheroplasts at relatively low salt concentrations and in the absence of detergents. Sucrose-protected cells, made osmotically sensitive by growth in the presence of ampicillin or by digestion with low lysozyme concentrations (50-5 μg/ml), were shocked by 100-fold dilution of the sucrose buffer… (More)
DOI: 10.1016/j.jsb.2012.03.007

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