Molecular Approaches to Identify Cryptic Species and Polymorphic Species within a Complex Community of Fig Wasps

文献类型: 外文期刊

第一作者: Xiao, Jin-Hua

作者: Xiao, Jin-Hua;Niu, Li-Ming;Hu, Hao-Yuan;Huang, Da-Wei;Wang, Ning-Xin;Li, Yan-Wei;Wan, Dong-Guang;Huang, Da-Wei;Murphy, Robert W.;Murphy, Robert W.;Fu, Yue-Guan

作者机构:

期刊名称:PLOS ONE ( 影响因子:3.24; 五年影响因子:3.788 )

ISSN: 1932-6203

年卷期: 2010 年 5 卷 11 期

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收录情况: SCI

摘要: Cryptic and polymorphic species can complicate traditional taxonomic research and both of these concerns are common in fig wasp communities. Species identification is very difficult, despite great effort and the ecological importance of fig wasps. Herein, we try to identify all chalcidoid wasp species hosted by one species of fig, using both morphological and molecular methods. We compare the efficiency of four different DNA regions and find that ITS2 is highly effective for species identification, while mitochondrial COI and Cytb regions appear less reliable, possibly due to the interference signals from either nuclear copies of mtDNA, i.e. NUMTs, or the effects of Wolbachia infections. The analyses suggest that combining multiple markers is the best choice for inferring species identifications as any one marker may be unsuitable in a given case.

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