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Bacterial symbiosis in Bactrocera oleae, an Achilles’ heel for its pest control
Insect Science ( IF 4 ) Pub Date : 2020-06-10 , DOI: 10.1111/1744-7917.12835
Gaia Bigiotti 1 , Patrizia Sacchetti 1 , Roberta Pastorelli 2 , Carol R Lauzon 3 , Antonio Belcari 1
Affiliation  

Investigations on microbial symbioses in Tephritidae have increased over the past 30 years owing to the potential use of these relationships in developing new control strategies for economically important fruit flies. Bactrocera oleae (Rossi)—the olive fruit fly—is a monophagous species strictly associated with the olive tree, and among all the tephritids, its symbionts are the most investigated. The bacterium Candidatus Erwinia dacicola is the major persistent resident endosymbiont in wild B. oleae populations. Its relationship with B. oleae has been investigated since being identified in 2005. This endosymbiont is vertically transmitted through generations from the female to the egg. It exists at every developmental stage, although it is more abundant in larvae and ovipositing females, and is necessary for both larvae and adults. Studying B. oleae–Ca. E. dacicola, or other B. oleae–microbe interactions, will allow us to develop modern biological control systems for area-wide olive protection and set an example for similar programs in other important food crops. This review summarizes the information available on tephritid–microbe interactions and investigates relationships among fruit flies, bacteria and host plants; however, its focus is on B. oleae and its strict association with Ca. E. dacicola to promote environmentally friendly control strategies for area-wide pest management.

中文翻译:

Bactrocera oleae 中的细菌共生,这是防治害虫的致命弱点

在过去的 30 年中,对实蝇科微生物共生的研究有所增加,因为这些关系可能用于开发具有重要经济意义的果蝇的新控制策略。Bactrocera oleae (Rossi) - 橄榄果蝇 - 是一种与橄榄树密切相关的单食性物种,在所有 tephritids 中,其共生体是研究最多的。细菌Candidatus Erwinia dacicola 是野生B. oleae种群中主要的持久常驻内共生体。它与B. oleae 的关系自 2005 年被发现以来一直在进行调查。这种内共生体通过几代垂直传播,从雌性到卵。它存在于每个发育阶段,尽管它在幼虫和产卵雌性中更丰富,并且对幼虫和成虫都是必需的。研究B. oleae-Ca。E. dacicola 或其他B. oleae 与微生物的相互作用,将使我们能够开发用于区域范围橄榄保护的现代生物控制系统,并为其他重要粮食作物的类似计划树立榜样。本综述总结了有关 tephritid-微生物相互作用的可用信息,并调查了果蝇、细菌和寄主植物之间的关系;然而,它的重点是B. oleae及其与。E. dacicola 促进大面积害虫管理的环境友好控制策略。
更新日期:2020-06-10
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