=== Ligazóns externas ===
*[https://web.archive.org/web/20100923031225/http://www.unh.edu/ehs/pdf/Recombinant-DNA.pdf Recombinant DNA fact sheet] (
from University of New Hampshire)
*[http://www.sci.sdsu.edu/~smaloy/MicrobialGenetics/topics/plasmids/yeast-plasmid.html Plasmids in Yeasts] (
Fact sheet from San Diego State University)
Animation illustrating construction of recombinant DNA and foreign protein production by recombinant bacteria]
Recombinant DNA research at UCSF and commercial application at Genentech] Edited transcript of 1994 interview with Herbert W. Boyer, Living history project. Oral history.
*[http://www.gelifesciences.com/handbooks Recombinant Protein Purification Principles and Methods Handbook]