• Woychik, N.A., and Reinberg, D. (2001). RNA polymerases: Subunits and functional domains. eLS http://www.els.net DOI: 10.1038/npg.els.0003302

A review of the structure, function, and evolution of both prokaryotic and eukaryotic RNA polymerases in an online resource: eLS (Encyclopedia of Life Science).

• Proudfoot, N.J., Furger, A., and Dye, M.J. (2002). Integrating mRNA processing with transcription. Cell, 108, 501–12.

Reviews eukaryotic transcription and subsequent modification of transcripts.

• Ast, G. (2005). The alternative genome. Sci. Am. 292, 58–65.

A readable discussion of alternative splicing.