DNA Purification in Promega Home Page (http://www.promega.com/resources/product-guides-and-selectors/protocols-and-applications-guide/dna-purification/)

has been cited by the following article:

• TITLE: A simplified protocol for the semi-large scale recovery of plasmids from Escherichia coli grown on agar plates

  AUTHORS: Masahiro Sato, Eri Akasaka, Issei Saitoh, Masato Ohtsuka, Shingo Nakamura, Takayuki Sakurai, Satoshi Watanabe

  KEYWORDS: Agar Plate; DNA Purification; E. coli; Gene Engineering; Plasmid

  JOURNAL NAME: Journal of Biomedical Science and Engineering, Vol.5 No.7, July 3, 2012

  ABSTRACT: Semi-large scale liquid cultivation of transformed Escherichia coli (E. coli) in medium (100-200 ml) has been widely used for the acquisition of relatively large amounts of plasmid DNA (50-300 μg). However, this method requires an expensive high-speed centrifugation apparatus to precipitate E. coli before lysis, which is both laborious and time-consuming. Here, we demonstrate a method for agar plate-based cultivation of bacteria that does not employ a high-speed centrifugation apparatus. This procedure proves to be simple and reproducible, yielding an average of 82 μg of plasmid DNA per experiment. It may therefore be valuable for cloning/transfection experiments under limited financial backgrounds.