Further insights into the strange role of bacterial endosymbionts in whitefly, Bemisia tabaci: Comparison of secondary symbionts from biotypes B and Q in China
文献类型： 外文期刊
作者： Chu, D. 2 ; Gao, C. S. 1 ; De Barro, P. 3 ; Zhang, Y. J. 4 ; Wan, F. H. 5 ; Khan, I. A. 6 ;
作者机构： 1.Shandong Acad Agr Sci, High Tech Res Ctr, Jinan 250100, Peoples R China
2.Key Lab Genet Improvement Crop Anim & Poultry Sha, Jinan 250100, Peoples R China
3.CSIRO Entomol, Indooroopilly, Qld 4068, Australia
4.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Beijing 100081, Peoples R China
5.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100081, Peoples R China
6.NWFP Agr Univ Peshawar, Dept Entomol, Peshawar, Pakistan
关键词： endosymbiosis
期刊名称：BULLETIN OF ENTOMOLOGICAL RESEARCH （ 影响因子：1.75； 五年影响因子：2.007 ）
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年卷期：
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收录情况： SCI
摘要： The percentage infection of secondary symbionts (SS) (Wolbachia, Arsenophonus, Rickettsia, Hamiltonella, Fritschea and Cardinium) in the exotic Bemisia tabaci (Genn.) invaders, commonly known as biotypes B and Q from China, were determined by PCR. In total, 373 biotype B and 1830 biotype Q individuals were screened for the presence of SS. Biotype B was more abundant than biotype Q from 2005 to 2006, and biotype Q was more abundant from 2007 to 2009. Each of the SS, with the exception of Fritschea, was detected in both biotypes B and Q; Fritschea was found in none of the samples examined. For biotype B, the percentage infection of Hamiltonella was the highest (92.0%) followed by Rickettsia (70.2%). For biotype Q, the percentage infection of Hamiltonella was again the highest (73.3%). Arsenophonus was the least common of the SS observed in both biotypes B and Q. The percentage infection of Wolbachia, Rickettsia and Hamiltonella in biotype B was each significantly higher than in biotype Q, whereas the percentage infection of Cardinium in biotype B was significantly lower than in biotype Q. The percentage infection of SS in biotypes B and Q varied from year to year over the period 2005-2009. Furthermore, within biotype Q, two distinct subgroups were identified which differ from each other in terms of their SS complement. We discuss these results in the light of the potentially influential factors and roles of the SS.
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