Pathways to ploidy

I caught up with Andrea Genre to talk about the research behind the latest image to appear on the cover of New Phytologist (volume 223, issue 1). Medicago truncatula root colonisation by the arbuscular mycorrhizal fungus Gigaspora margarita (outlined by the white dashes) induces a local increase in the host tissue ploidy. Coloured dots tag nuclei with putative ploidy levels...
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