Papillomaviruses: different genes have different histories - PubMed (original) (raw)

Review

. 2005 Nov;13(11):514-21.

doi: 10.1016/j.tim.2005.09.003. Epub 2005 Sep 21.

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Review

Papillomaviruses: different genes have different histories

Santiago García-Vallvé et al. Trends Microbiol. 2005 Nov.

Abstract

Papillomaviruses (PVs) infect stratified squamous epithelia in vertebrates. Some PVs are associated with different types of cancer and with certain benign lesions. It has been assumed that PVs coevolved with their hosts. However, recently it has been shown that different regions of the genome have different evolutionary histories. The PV genome has a modular nature and appeared after the addition of pre-existent blocks. This order of appearance in the PV genome is evident today in the different evolutionary rates of the different genes, with new genes--E5, E6 and E7--diverging faster than old genes--E1, E2, L2 and L1. Here, we propose an evolutionary framework aiming to integrate genome evolution, PV biology and epidemiology of PV infections.

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