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Review
, 10, 7-13

The Biogeography of Viral Emergence: Rice Yellow Mottle Virus as a Case Study

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Review

The Biogeography of Viral Emergence: Rice Yellow Mottle Virus as a Case Study

Agnès Pinel-Galzi et al. Curr Opin Virol.

Abstract

Rice yellow mottle virus (RYMV) exemplifies the key role in plant virus emergence of the early steps of crop extension and intensification in traditional agriculture. In East Africa, RYMV emerged in the 19(th) century after rice intensification along the Indian Ocean coast, and later spread inland concomitantly with rice introduction. In West Africa, the contrasted history of rice cultivation among regions differently shaped RYMV populations. A biogeographical approach - which jointly considers the spatial distribution of the virus and its hosts over time - was applied to reach these conclusions. We linked the evolution of RYMV over the past two centuries to a geographical map of the history of rice cultivation in Africa.

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