The use of zinc finger peptides to study the role of specific factor binding sites in the chromatin environment

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

The once ambitious goal of creating custom DNA-binding factors has been achieved. Advances in construction methodology now enable any laboratory to create site-specific binding proteins to nearly any sequence. Using predefined zinc finger modules, new proteins can be constructed in days with minimal cost and using only standard polymerase chain reaction techniques. The existing spectrum of modules can be rearranged to produce more than one billion different proteins that bind with high affinity and specificity. Artificial transcription factors based on modified zinc finger domains have recently been shown by several groups to be capable of activating or repressing transcription of a handful of endogenous genes in the chromatin environment of plant and animal cells. These proteins can also be used in a number of ways to compete with endogenous factors for specific binding sites in vivo. Zinc finger peptides are therefore useful tools in the study of gene regulation and signal transduction. A detailed description of the construction method is presented, along with a full discussion of potential caveats and future expectations.

Original languageEnglish (US)
Pages (from-to)76-83
Number of pages8
JournalMethods
Volume26
Issue number1
DOIs
StatePublished - 2002
Externally publishedYes

Fingerprint

Zinc Fingers
Chromatin
Zinc
Binding Sites
Peptides
Signal transduction
Proteins
Polymerase chain reaction
Plant Cells
Transcription
Gene expression
Genes
Signal Transduction
Carrier Proteins
Animals
Transcription Factors
Cells
Costs and Cost Analysis
Polymerase Chain Reaction
DNA

Keywords

  • Custom DNA-binding proteins
  • Modular construction
  • Nucleic acid interactions
  • Regulation of gene expression
  • Signal transduction
  • Zinc finger

ASJC Scopus subject areas

  • Molecular Biology

Cite this

The use of zinc finger peptides to study the role of specific factor binding sites in the chromatin environment. / Segal, David.

In: Methods, Vol. 26, No. 1, 2002, p. 76-83.

Research output: Contribution to journalArticle

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