DNA sampling: a method for probing protein binding at specific loci on bacterial chromosomes.

M Butala, Stephen Busby, David Lee

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)
115 Downloads (Pure)

Abstract

We describe a protocol, DNA sampling, for the rapid isolation of specific segments of DNA, together with bound proteins, from Escherichia coli K-12. The DNA to be sampled is generated as a discrete fragment within cells by the yeast I-SceI meganuclease, and is purified using FLAG-tagged LacI repressor and beads carrying anti-FLAG antibody. We illustrate the method by investigating the proteins bound to the colicin K gene regulatory region, either before or after induction of the colicin K gene promoter.
Original languageEnglish
JournalNucleic Acids Research
DOIs
Publication statusPublished - 30 Jan 2009

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