A multi-genome analysis approach enables tracking of the invasion of a single Russian wheat aphid (Diuraphis noxia) clone throughout the New World

Zhang, B., Edwards, O., Kang, L., & Fuller, S. (2014) A multi-genome analysis approach enables tracking of the invasion of a single Russian wheat aphid (Diuraphis noxia) clone throughout the New World. Molecular Ecology, 23(8), pp. 1940-1951.

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This study investigated the population genetics, demographic history and pathway of invasion of the Russian wheat aphid (RWA) from its native range in Central Asia, the Middle East and Europe to South Africa and the Americas. We screened microsatellite markers, mitochondrial DNA and endosymbiont genes in 504 RWA clones from nineteen populations worldwide. Following pathway analyses of microsatellite and endosymbiont data, we postulate that Turkey and Syria were the most likely sources of invasion to Kenya and South Africa, respectively. Furthermore, we found that one clone transferred between South Africa and the Americas was most likely responsible for the New World invasion. Finally, endosymbiont DNA was found to be a high resolution population genetic marker, extremely useful for studies of invasion over a relatively short evolutionary history time frame. This study has provided valuable insights into the factors that may have facilitated the recent global invasion by this damaging pest.

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6 citations in Web of Science®

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ID Code: 70744
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Diuraphis Noxia, Endosymbiont, Genetic Diversity, Genetic Structure, Invasion Route, Microsatellite, Mitochondrial
DOI: 10.1111/mec.12714
ISSN: 1365-294X
Divisions: Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Wiley-Blackwell Publishing Ltd.
Deposited On: 30 Apr 2014 23:38
Last Modified: 30 Apr 2014 23:38

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