Experimental Evolution of Pathogenesis

What makes a pathogen? Last week I got involved in an interesting “discussion” with a senior professor of physics about what makes a good pathogen. I wish I’d had this at the time to show him.


Experimental Evolution of Pathogenesis: “Patient” Research. (2013) PLoS Pathog 9(5): e1003340. doi:10.1371/journal.ppat.1003340
Laboratory passage has long been recognized as an effective means to modify the host range of pathogens, with successive passage of viruses in nonhuman hosts an early strategy for generating live attenuated vaccines. The principle behind this attenuation is that confined passage in one host species can modify the host range of a pathogen such that it no longer efficiently causes disease in the original host. Armed with modern molecular and genomic tools, several groups have revisited the basic outlines of this approach to directly test how natural host diversity and host cycling influence the evolutionary trajectory of pathogens.

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One Response to Experimental Evolution of Pathogenesis

  1. Emma says:

    That looks useful, thanks! For others, you have to download the issue (learning lots about STIs while you’re at it) – this particular article is pp 84-5, (p19 in my pdf reader).

    Could see it being useful for some of our students, as it’s not specific to any one career.

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