Preferences of the peripheral olfactory system of Western Flower Thrips, Frankliniella occidentalis towards stereoisomers of common plant volatiles

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• 作者：Zayed S. Abdullah ; Tariq M. Butt
• 关键词：Enantioselectivity ; Electroantennogram ; Frankliniella occidentalis ; Olfaction ; Polyphagous ; Stereoisomers
• 刊名：Chemoecology
• 出版年：2015
• 出版时间：February 2015
• 年：2015
• 卷：25
• 期：1
• 页码：47-51
• 全文大小：244 KB
• 参考文献：1. Abdullah ZS, Ficken KJ, Greenfield BPJ, Butt TM (2014) Innate responses to putative ancestral hosts: is the attraction of western flower thrips to pine pollen a result of relict olfactory receptors? J Chem Ecol 40(6):534-40 CrossRef
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  17. Kirk WDJ (2002) The pest and vector from the west: / Frankliniella occidentalis. In: Marullo R, Mound LA (eds) Thrips and tospoviruses. Proceedings of the seventh international symposium on thysanoptera. Australian national insect collection, Canberra, pp 33-4
  18. Kirk WDJ, Terry LI (2003) The spread of the western flower thrips / Frankliniella occidentalis (Perga
• 作者单位：Zayed S. Abdullah (1)
  Tariq M. Butt (1)
  
  1. Department of Biosciences, Swansea University, Singleton Park, Swansea, SA2 8PP, UK
  
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Life Sciences
  Ecology
  Nature Conservation
  
• 出版者：Birkh盲user Basel
• ISSN：1423-0445

文摘

Stereochemistry plays a significant role in structure–activity relationships of messenger chemicals. The ability to distinguish between enantiomers and geometric isomers, however, may be limited to certain stereoisomeric substances, depending on the receiver. In this study, we assessed the preference of the peripheral olfactometry system of Western Flower Thrips, F. occidentalis towards ubiquitously expressed host compounds, with a goal of establishing whether particular stereoisomers enhance host odour recognition. We demonstrate that the peripheral olfactory system of a highly polyphagous thysanopteran insect has evolved to become highly sensitive to a type of green leaf volatile, which is highly ubiquitous in the plant kingdom. We show that there is a significantly greater antennal response to the cis isomer, more so than the isomerisation by-product trans-3-hexen-1-ol. We demonstrate that the antennae of a highly polyphagous insect are capable of detecting common plant secondary metabolites in both enantiomeric forms.