Characterization of a specific odorant receptor for linalool in the Chinese citrus fly Bactrocera minax (Diptera: Tephritidae)

Liu, Yipeng; Cui, Zhongyi; Si, Pinfa; Liu, Yang; Zhou, Qiong; Wang, Guirong

doi:10.1016/j.ibmb.2020.103389

Cited by 23 publications

(23 citation statements)

References 62 publications

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“…In addition, three OR genes (EcorOR6, 15, 16) were highly expressed throughout development (egg to adult). Previous researches mainly focused on ORs that are highly expressed in the antennae of insects [ 33 , 34 ]. However, ORs also have other important biological functions in non-head tissues in insects.…”

Section: Resultsmentioning

confidence: 99%

Genome of the hoverfly Eupeodes corollae provides insights into the evolution of predation and pollination in insects

Gao

et al. 2022

BMC Biol

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Background Hoverflies (Diptera: Syrphidae) including Eupeodes corollae are important insects worldwide that provide dual ecosystem services including pest control and pollination. The larvae are dominant predators of aphids and can be used as biological control agents, and the adults are efficient pollinators. The different feeding habits of larvae and adults make hoverflies a valuable genetic resource for understanding the mechanisms underlying the evolution and adaptation to predation and pollination in insects. Results Here, we present a 595-Mb high-quality reference genome of the hoverfly E. corollae, which is typical of an aphid predator and a pollinator. Comparative genomic analyses of E. corollae and Coccinellidae (ladybugs, aphid predators) shed light on takeout genes (3), which are involved in circadian rhythms and feeding behavior and might regulate the feeding behavior of E. corollae in a circadian manner. Genes for sugar symporter (12) and lipid transport (7) related to energy production in E. corollae had homologs in pollinator honeybees and were absent in predatory ladybugs. A number of classical cytochrome P450 detoxification genes, mainly CYP6 subfamily members, were greatly expanded in E. corollae. Notably, comparative genomic analyses of E. corollae and other aphidophagous hoverflies highlighted three homologous trypsins (Ecor12299, Ecor12301, Ecor2966). Transcriptome analysis showed that nine trypsins, including Ecor12299, Ecor12301, and Ecor2966, are strongly expressed at the larval stage, and 10 opsin genes, which are involved in visual perception, are significantly upregulated at the adult stage of E. corollae. Conclusions The high-quality genome assembly provided new insights into the genetic basis of predation and pollination by E. corollae and is a valuable resource for advancing studies on genetic adaptations and evolution of hoverflies and other natural enemies.

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Section: Resultsmentioning

confidence: 99%

Genome of the hoverfly Eupeodes corollae provides insights into the evolution of predation and pollination in insects

Gao

et al. 2022

BMC Biol

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“…Around the same time, linalool was shown to have a strong insecticidal effect on D. suzukii when used at a high concentration as a fumigant [ 50 ]. Linalool is also recognized by and has shown to be attractive to other Diptera such as Tephritidae and the housefly ( Musca domestica ) [ 51 , 52 , 53 , 54 ].…”

Section: Discussionmentioning

confidence: 99%

Identification of Blackberry (Rubus fruticosus) Volatiles as Drosophila suzukii Attractants

Dewitte

Kerckvoorde²,

Beliën³

et al. 2021

Insects

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The spotted wing drosophila, Drosophila suzukii, is an invasive pest species from Southeast Asia that was recently introduced in Europe and North America. As this fruit fly lays its eggs in ripening soft-skinned fruit, it causes great damage to a variety of crops, including cherries, blueberries, blackberries, raspberries, grapes, plums and strawberries. Consequently, there is a great demand for an effective and species-specific lure, which requires the development of successful attractants. Until now, there is no lure available that is species-specific and can detect the presence of D. suzukii before infestation. As blackberry (Rubus fruticosus) is one of the preferred host crops of D. suzukii, the volatile compounds of R. fruticosus berries are here identified and quantified using multiple headspace SPME (solid phase micro extraction) GC-MS (gas chromatography–mass spectrometry). Subsequently, the attractivity of 33 of the identified compounds was tested with a two-choice laboratory bioassay. Acetaldehyde, hexyl acetate, linalool, myrtenol, L-limonene and camphene came out as significantly attractive to D. suzukii. The first four attractive compounds induced the strongest effect and therefore provided the best prospects to be implemented in a potential lure. These findings could contribute towards the development of more effective attractants for monitoring and mass trapping D. suzukii.

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“…Recently, ORs responding to common plant volatiles have been functionally characterized in B. dorsalis and B. minax [126,148,149]. The results provide knowledge of the properties of ORs which may narrowly or broadly tune to plant volatiles.…”

Section: Characterization Of Chemosensory Receptors Responding To Commentioning

confidence: 99%

“…For B. minax, four ORs-BminOR3, BminOR12, BminOR16, and BminOR24-have been functionally characterized [148,149]. Of them, BminOR3, a homolog of OR13a, also showed a specific response to 1-octen-3-ol, as shown by BdorOR13a.…”

Section: Orsmentioning

confidence: 99%

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Recent Advancements in Studies on Chemosensory Mechanisms Underlying Detection of Semiochemicals in Dacini Fruit Flies of Economic Importance (Diptera: Tephritidae)

Ono

Hee

Jiang

2021

Insects

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Dacini fruit flies mainly contain two genera, Bactrocera and Zeugodacus, and include many important pests of fruits and vegetables. Their life cycle is affected by various environmental cues. Among them, multiple characteristic semiochemicals have remarkable effects on their reproductive and host-finding behaviors. Notably, floral fragrances released from so-called fruit fly orchids strongly attract males of several Dacini fruit fly species. Focusing on the strong attraction of male flies to particular chemicals, natural and synthetic lures have been used for pest management. Thus, the perception of semiochemicals is important to understand environmental adaptation in Dacini fruit flies. Since next-generation sequencers are available, a large number of chemosensory-related genes have been identified in Dacini fruit flies, as well as other insects. Furthermore, recent studies have succeeded in the functional analyses of olfactory receptors in response to semiochemicals. Thus, characterization of molecular components required for chemoreception is under way. However, the mechanisms underlying chemoreception remain largely unknown. This paper reviews recent findings on peripheral mechanisms in the perception of odors in Dacini fruit flies, describing related studies in other dipteran species, mainly the model insect Drosophilamelanogaster. Based on the review, important themes for future research have also been discussed.

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Characterization of a specific odorant receptor for linalool in the Chinese citrus fly Bactrocera minax (Diptera: Tephritidae)

Cited by 23 publications

References 62 publications

Genome of the hoverfly Eupeodes corollae provides insights into the evolution of predation and pollination in insects

Genome of the hoverfly Eupeodes corollae provides insights into the evolution of predation and pollination in insects

Identification of Blackberry (Rubus fruticosus) Volatiles as Drosophila suzukii Attractants

Recent Advancements in Studies on Chemosensory Mechanisms Underlying Detection of Semiochemicals in Dacini Fruit Flies of Economic Importance (Diptera: Tephritidae)

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