2011
DOI: 10.1890/11-0687.1
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Do novel genotypes drive the success of an invasive bark beetlefungus complex? Implications for potential reinvasion

Abstract: Abstract. Novel genotypes often arise during biological invasions, but their role in invasion success has rarely been elucidated. Here we examined the population genetics and behavior of the fungus, Leptographium procerum, vectored by a highly invasive bark beetle, Dendroctonus valens, to determine whether genetic changes in the fungus contributed to the invasive success of the beetle-fungal complex in China. The fungus was introduced by the beetle from the United States to China, where we identified several n… Show more

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Cited by 66 publications
(72 citation statements)
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“…Increased fitness and virulence of another biogeographical-shift symbiont was reported in China (103). Leptographium procerum (Fig.…”
Section: Examples Of Other Bark-beetle Associated Tree Diseasesmentioning
confidence: 86%
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“…Increased fitness and virulence of another biogeographical-shift symbiont was reported in China (103). Leptographium procerum (Fig.…”
Section: Examples Of Other Bark-beetle Associated Tree Diseasesmentioning
confidence: 86%
“…Although the factors that result in the development of new bark beetle-associated problems are often obscure, three hypotheses are proposed for their development: 1) biogeographical shifts, in which new beetle vectors or tree hosts interact with fungi that are apparently benign in their original habitat (66,103); 2) pathogen-vector shifts where pathogens join a pre-existing beetle and tree association (2,127,166,169); and 3) host shifts in which beetles and fungi that did not damage their original host tree(s) move to and damage a new host tree species (94,158).…”
Section: ) Have Extreme Impacts;mentioning
confidence: 99%
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“…Diverse forest communities, pulp and timber plantations, and agricultural production are impacted in tropical, temperate and boreal environments [1][2][3][4]. Host jumps, pathogen hybridization and climate change have been associated with some of the new diseases [5][6][7][8], but other outbreaks have resulted from the invasion of naïve Laurel wilt affects trees and shrubs in the Lauraceae (Laurales, Magnoliid complex). It is caused by a fungal symbiont, Raffaelea lauricola T.C.…”
Section: Introductionmentioning
confidence: 99%