Lina Marcela Laverde Preciado

Medicine Third semester

2010-2

Transcription process has three stages

initiation, elongation and

termination.

In the initiation and elongation

are checkpoints that regulate

GENE EXPRESSION

Lei Zeng, Qiang Zhang, SiDe Li, Alexander N. Plotnikov, Martin J.

Walsh, Ming-Ming Zhou. Mechanism and regulation of acetylated

histone binding by the tandem PHD finger of DPF3b. Nature, 2010;

466 (7303): 258 DOI: 10.1038/nature09139 available

http://www.sciencedaily.com/releases/2010/07/100708152101.htm

Chen et al. From the Cover: Promoter melting triggered by bacterial

RNA polymerase occurs in three steps. Proceedings of the National

Academy of Sciences, 2010; 107 (28): 12523

DOI: 10.1073/pnas.1003533107 aviable

http://www.sciencedaily.com/releases/2010/07/100715111559.htm

Martínez LM. Transcripción genética, 5. ed. Medellín: Universidad

Pontificia Bolivariana; 2009. p. 103-108.