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Biotechnol Bioeng. 1998 Dec 20;60(6):768-70.

Time course of SDS-alkaline lysis of recombinant bacterial cells for plasmid release.

Author information

1
The Advanced Centre for Biochemical Engineering, Department of Biochemical Engineering, University College London, Torrington Place, London WC1E 7JE, England.

Abstract

SDS-alkaline lysis of recombinant Escherichia coli cell suspensions was carried out in a coaxial cylinder rheometer, and the data were used to establish the time course of lysis reaction. The results of the experiments showed that cell lysis reaction time depended on cell strain but was unaffected by plasmid size and plasmid copy number. The high molecular weight globular proteins and chromosomal DNA were denatured, and the resulting changes in rheometric measurements characterised the denaturation time.

PMID:
10099486
[Indexed for MEDLINE]

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