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A multi‐genome analysis approach enables tracking of the invasion of a single R ussian wheat aphid ( D iuraphis noxia ) clone throughout the N ew W orld
Author(s) -
Zhang B.,
Edwards O.,
Kang L.,
Fuller S.
Publication year - 2014
Publication title -
molecular ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.619
H-Index - 225
eISSN - 1365-294X
pISSN - 0962-1083
DOI - 10.1111/mec.12714
Subject(s) - biology , microsatellite , population , range (aeronautics) , aphid , genome , genetics , population genetics , evolutionary biology , gene , botany , demography , allele , materials science , sociology , composite material
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.