Diversity and Infection Frequency of Symbiotic Bacteria in Different Populations of the Rice Brown Planthopper in China
文献类型: 外文期刊
第一作者: Wang, Wei-Xia
作者: Wang, Wei-Xia;Zhu, Ting-Heng;Lai, Feng-Xiang;Fu, Qiang
作者机构:
关键词: symbionts;Nilaparvata lugens;Arsenophonus;Wolbachia;16S rRNA gene sequences
期刊名称:JOURNAL OF ENTOMOLOGICAL SCIENCE ( 影响因子:0.618; 五年影响因子:0.769 )
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年卷期:
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收录情况: SCI
摘要: Genetic sequences (16S rRNA) demonstrated that the symbiotic bacteria associated with different populations of the rice brown planthopper, Nilaparvata lugens Stal, were clustered into 18 operational taxonomic units. Molecular phylogenetic analyses revealed that the majority of these bacteria belong to Alphaproteobacteria (Wolbachia), Gammaproteobacteria (Arsenophonus, Acinetobacter, Serratia, Arthrobacter), and the Bacteroidetes (Chlyseobacterium, Sphingobacterium). Bacteria of the genera Acinetobacter, Serratia, and Arthrobacter were present in all brown planthopper individuals analyzed. The infection frequency (IF) of Arsenophonus in brown planthopper reared on the rice variety Taichun Native1' was higher than that observed with the 'Mudgo' and 'ASD7' varieties. The IF of Arsenophonus increased by 50% when the planthoppers were reared on Taichun Native1 for >15 generations, unrelated to the origin of that population of planthoppers. The IF of Wolbachia, however, declined when the brown planthoppers were maintained on a single rice variety under laboratory conditions for several generations. These results suggest that the symbiotic bacteria varied with brown planthopper populations and might have an effect on the adaptation and evolution of brown planthopper on different rice varieties.
分类号: Q96
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