Simple, inexpensive and RNase-free purification of plasmid DNA by fractional precipitation with isopropanol

We present a modified alkaline lysis method for purification of plasmid DNA (pDNA) from bacterial extract using fractional precipitation with isopropanol (FPI). This method includes two successive precipitations with 0.33 and 0.36 volumes of isopropanol and separates pDNA from total RNA and most of...

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Bibliographische Detailangaben
Veröffentlicht in:BioTechniques. - 1988. - 71(2021), 3 vom: 16. Sept., Seite 490-494
1. Verfasser: Paalme, Viiu (VerfasserIn)
Weitere Verfasser: Speek, Mart
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:BioTechniques
Schlagworte:Journal Article Research Support, Non-U.S. Gov't RNase alkaline lysis fractional precipitation isopropanol lipopolysaccharides plasmid DNA DNA, Bacterial Ribonucleases mehr... EC 3.1.- 2-Propanol ND2M416302
Beschreibung
Zusammenfassung:We present a modified alkaline lysis method for purification of plasmid DNA (pDNA) from bacterial extract using fractional precipitation with isopropanol (FPI). This method includes two successive precipitations with 0.33 and 0.36 volumes of isopropanol and separates pDNA from total RNA and most of the lipopolysaccharides. Using different quality control tests, we demonstrate that plasmids purified with FPI show superior quality compared to plasmids prepared with commercial kits based on spin-column chromatography
Beschreibung:Date Completed 06.12.2021
Date Revised 14.12.2021
published: Print-Electronic
Citation Status MEDLINE
ISSN:1940-9818
DOI:10.2144/btn-2021-0018