Bayesian phylogeographic analysis has recently been at the forefront of understanding epidemiological processes through the reconstruction of evolutionary history and spatial dissemination of pathogens. Infection of a single host can be viewed similarly as an epidemic spread on a microscale, creating a unique opportunity for the application of phylogeography at the intra-host level, which has until recently been limited by dataset quality and the lack of a rigorous statistical framework. As recently described in studies using the SIV-macaque model of neuroAIDS, the incorporation of
spatial, temporal, and demographic inference into intra-host evolutionary analysis using Bayesian phylogeography allows for inference of pathogen migration between infected tissues and cell types, provides valuable insight into immunopathological processes, and ultimately paves the way for a better understanding of the interplay between viral evolution and pathogenesis.
Commentary · Volume 2, Issue 4, 3 October 2015 · Open Access
Intra-Host Bayesian Phylogeography Linking Viral Evolution and Pathogenesis Comes to an Age
· ·
Affiliations & Notes ⌄
- 1Department of Pathology, Immunology, and Laboratory Medicine
- 2Emerging Pathogens Institute, University of Florida,, Gainesville, FL 32610, USA
Article Info ⌄
- Journal:
- Hosts and Viruses
- Published:
- 3 October 2015

From the article
- Intra-Host Bayesian Phylogeography Linking Viral Evolution and Pathogenesis Comes to an Age.
- Infection of a single host can be viewed similarly as an epidemic spread on a microscale, creating a unique opportunity for the application of phylogeography at the intra-host level, which has until recently been limited by dataset quality and the lack of a rigorous statistical framework.
- Therefore, incorporation of spatial and temporal information – i.e. tissue/cell of origin and sampling time of viral sequences – into the evolutionary analysis is crucial for understanding how viral population dynamics are ultimately linked to disease.
- The intra-host evolutionary and population dynamics of human immunodeficiency virus type 1: a phylogenetic perspective.
Selected from the article's own text.
Abstract
ACKNOWLEDGEMENTS
BDR and MS were supported by National Institutes of Health funding grants R01 NS063897-01A2.
Figures

Schematic representation of the intra-host phylogeography framework.
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