Martin Tymms has created a powerful collection of key techniques for the study of those DNA sequences and protein factors that regulate the transcription of protein encoding genes. This practical compendium includes not only well established protocols, but also novel techniques that are now being widely adopted. Among the important new methods treated are the use of triplex-forming oligonucleotides, the application of whole genome PCR to the isolation of gene promoters/enhancers, the analysis of in vivo methylation, and in vivo footprinting using UV light and ligation-mediated PCR. Transcription Factor Protocols provides both experienced workers and new researchers with a vital first-stop reference for all those exploring the role of transcription factors in gene regulation today.