Ancient Hybrid Event Gave Rise to the Persian Walnut (IMAGE)

SMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution)

Ancient Hybrid Event Gave Rise to the Persian Walnut

Caption

An optimal species network inferred using the PhyloNet software for walnut evolution. The result is maximum pseudo-likelihood tree with one reticulation. The γ value indicates the inheritance probability from the ancestor of sect. Cardiocaryon, while 1-γ indicates that from the ancestor of sect. Rhysocaryon. The genomic mosaicism of both the Persian walnut (incl. J. sigillata) and the American butternut J. cinerea provides evidence for the importance of hybridization throughout the evolution of walnuts.

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Department of Biology, Systematic Botany and Mycology, University of Munich

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