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Emergence of the sudden oak death pathogen Phytophthora ramorumAuthor(s): Niklaus J. Grunwald; Matteo Garbelotto; Erica M. Goss; Kurt Huengens; Simone Prospero
Source: Trends in Microbiology. 20(3): 131 -138.
Publication Series: Scientific Journal (JRNL)
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DescriptionThe recently emerged plant pathogen Phytophthora ramorum is responsible for causing the sudden oak death epidemic. This review documents the emergence of P. ramorum based on evolutionary and population genetic analyses. Currently infection by P. ramorum occurs only in Europe and North America and three clonal lineages are distinguished: EU1, NA1 and NA2. Ancient divergence of these lineages supports a scenario in which P. ramorum originated from reproductively isolated populations and underwent at least four global migration events. This recent work sheds new light on mechanisms of emergence of exotic pathogens and provides crucial insights into migration pathways. [Partially funded by USDA FS PSW agreement 11-IA-11272131-077.]
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CitationGrunwald, Niklaus J.; Garbelotto, Matteo; Goss, Erica M.; Huengens, Kurt; Prospero, Simone. 2012. Emergence of the sudden oak death pathogen Phytophthora ramorum. Trends in Microbiology. 20(3): 131 -138.
Keywordssudden oak death, Phytophthora ramorum, population genetics, invasive species
- Ancient isolation and independent evolution of the three clonal lineages of the exotic sudden oak death pathogen Phytophthora ramorum
- Phenotypic diversification is associated with host-induced transposon derepression in the sudden oak death pathogen Phytophthora ramorum
- Mapping sudden oak death risk nationally using host, climate, and pathways data
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