Cascales E & Christie P.J. (2003). "The versatile Type IV secretion systems". Nat Rev Microbiol1 (2): 137–149. PMID15035043. doi:10.1038/nrmicro753.
Christie PJ, Atmakuri K, Jabubowski S, Krishnamoorthy V & Cascales E. (2005). "Biogenesis, architecture, and function of bacterial Type IV secretion systems". Ann Rev Microbiol59: 451–485. PMID16153176. doi:10.1146/annurev.micro.58.030603.123630.
Christie PJ (2004). "Type IV secretion: the Agrobacterium VirB/D4 and related conjugation systems". Biochim. Biophys. Acta1694 (1-3): 219–34. PMID15546668. doi:10.1016/j.bbamcr.2004.02.013.
Thanassi, D.G.; Stathopoulos, C.; Karkal, A.; Li, H. (2005). "Protein secretion in the absence of ATP: the autotransporter, two-partner secretion and chaperone/usher pathways of Gram-negative bacteria (Review)". Molecular Membrane Biology22 (1): 63–72. doi:10.1080/09687860500063290.
Cascales E & Christie P.J. (2003). "The versatile Type IV secretion systems". Nat Rev Microbiol1 (2): 137–149. PMID15035043. doi:10.1038/nrmicro753.
Christie PJ, Atmakuri K, Jabubowski S, Krishnamoorthy V & Cascales E. (2005). "Biogenesis, architecture, and function of bacterial Type IV secretion systems". Ann Rev Microbiol59: 451–485. PMID16153176. doi:10.1146/annurev.micro.58.030603.123630.
Christie PJ (2004). "Type IV secretion: the Agrobacterium VirB/D4 and related conjugation systems". Biochim. Biophys. Acta1694 (1-3): 219–34. PMID15546668. doi:10.1016/j.bbamcr.2004.02.013.