A Semipersistent Plant Virus Differentially Manipulates Feeding Behaviors of Different Sexes and Biotypes of Its Whitefly Vector
文献类型: 外文期刊
第一作者: Lu, Shaohua
作者: Lu, Shaohua;Li, Jingjing;Wang, Xueli;Song, Danyang;Bai, Rune;Shi, Yan;Yan, Fengming;Gu, Qinsheng;Kuo, Yen-Wen;Falk, Bryce W.
作者机构:
关键词: cucurbit chlorotic yellows virus;CCYV;Bemisia tabaci;electrical penetration graph;EPG;feeding behaviors
期刊名称:VIRUSES-BASEL ( 影响因子:5.048; 五年影响因子:5.127 )
ISSN: 1999-4915
年卷期: 2017 年 9 卷 1 期
页码:
收录情况: SCI
摘要: It is known that plant viruses can change the performance of their vectors. However, there have been no reports on whether or how a semipersistent plant virus manipulates the feeding behaviors of its whitefly vectors. Cucurbit chlorotic yellows virus (CCYV) (genus Crinivirus, family Closteroviridae) is an emergent plant virus in many Asian countries and is transmitted specifically by B and Q biotypes of tobacco whitefly, Bemisia tabaci (Gennadius), in a semipersistent manner. In the present study, we used electrical penetration graph (EPG) technique to investigate the effect of CCYV on the feeding behaviors of B. tabaci. The results showed that CCYV altered feeding behaviors of both biotypes and sexes of B. tabaci with different degrees. CCYV had stronger effects on feeding behaviors of Q biotype than those of B biotype, by increasing duration of phloem salivation and sap ingestion, and could differentially manipulate feeding behaviors of males and females in both biotype whiteflies, with more phloem ingestion in Q biotype males and more non-phloem probing in B biotype males than their respective females. With regard to feeding behaviors related to virus transmission, these results indicated that, when carrying CCYV, B. tabaci Q biotype plays more roles than B biotype, and males make greater contribution than females.
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