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Effect of Cardinium Infection on the Probing Behavior of Bemisia tabaci (Hemiptera: Aleyrodidae) MED
Journal of Insect Science ( IF 2.2 ) Pub Date : 2021-05-26 , DOI: 10.1093/jisesa/ieab040
Liu Ying 1 , Liu Baiming 2 , Li Hongran 3 , Ding Tianbo 1 , Tao Yunli 1 , Chu Dong 1
Affiliation  

Facultative endosymbionts can affect the growth, physiology, and behavior of their arthropod hosts. There are several endosymbionts in the invasive whitefly Bemisia tabaci Mediterranean (MED, Q biotype) that influence host fitness by altering stylet probing behavior. We investigated the probing behavior of B. tabaci MED infected with the facultative endosymbiont Candidatus Cardinium hertigii (Cardinium (Sphingobacteriales: Flexibacteraceae)). We generated genetically similar Cardinium-infected (C*+) and uninfected (C-) clonal sublines and analyzed the probing behavior of newly emerged adult on cotton (Malvales: Malvaceae), Gossypium hirsutum L., using electropenetrography (EPG). The C- subline demonstrated a longer duration of E2 (2.81-fold) and more events of E2 (2.22-fold) than the C*+ subline, indicating a greater level of sustained ingestion of plant phloem. These findings provide insight into the fitness costs (fitness of a particular genotype is lower than the average fitness of the population) of the Cardinium-infected B. tabaci.

中文翻译:

Cardinium 感染对烟粉虱(半翅目:粉虱科)MED 探测行为的影响

兼性内共生体可以影响其节肢动物宿主的生长、生理和行为。侵入性粉虱地中海烟粉虱(MED,Q 生物型)中有几种内共生体,它们通过改变探针探测行为来影响宿主的适应性。我们调查了感染兼性内共生体 Candidatus Cardinium hertigii (Cardinium (Sphingobacteriales: Flexibacteraceae)) 的烟粉虱 MED 的探测行为。我们产生了遗传上相似的 Cardinium 感染 (C*+) 和未感染 (C-) 克隆亚系,并使用电子穿透仪 (EPG) 分析了新出现的成虫对棉花 (Malvales: Malvaceae)、Gossypium hirsutum L. 的探测行为。与 C*+ 亚系相比,C-亚系表现出更长的 E2 持续时间(2.81 倍)和更多的 E2 事件(2.22 倍),表明植物韧皮部持续摄入的水平更高。这些发现提供了对 Cardinium 感染的烟粉虱的适应度成本(特定基因型的适应度低于人群的平均适应度)的深入了解。
更新日期:2021-05-26
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