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花卉挥发物的定量分析与表征，以及活性化合物对……行为的作用。

Quantitative analysis and characterization of floral volatiles, and the role of active compounds on the behavior of .

作者信息

Qian Chenyu, Xie Wenqi, Su Zhongqi, Wen Xiujun, Ma Tao

机构信息

College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China.

出版信息

Front Plant Sci. 2024 Aug 23;15:1439087. doi: 10.3389/fpls.2024.1439087. eCollection 2024.

DOI:10.3389/fpls.2024.1439087
PMID:39246814
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11377291/
Abstract

This study explores the role of floral volatile organic compounds (FVOCs) in insect behavior, focusing on (AS), a valuable tropical plant threatened by Moore. Despite ' attraction to AS and non-host plants like (ED) and (DO), little is known about their chemical interactions. FVOCs from these plants were analyzed at 9:00 and 18:00 using GC×GC-QTOF-MS and HS-SPME. The results showed that ED exhibiting the highest concentration (92.340 ng/mg), followed by DO (75.167 ng/mg) and AS (64.450 ng/mg). Through GC-EAD and EAG, a total of 11 FVOC compounds with electrophysiological activates were identified. These compounds, except linalool, showed dose-dependent responses. Y-Tube bioassays confirmed phenylethyl alcohol or the mixture of EAD-active compounds produced positive chemotactic responses in both males and females. FVOCs have the potential to be used as a natural and sustainable alternative to chemical insecticides in pest control.

摘要

本研究探讨了花卉挥发性有机化合物（FVOCs）在昆虫行为中的作用，重点关注AS，一种受到Moore威胁的珍贵热带植物。尽管**[昆虫名称]对AS以及非寄主植物如ED和DO有吸引力，但它们之间的化学相互作用却鲜为人知。使用气相色谱-气相色谱-四极杆飞行时间质谱联用仪（GC×GC-QTOF-MS）和顶空固相微萃取（HS-SPME）在9:00和18:00对这些植物的FVOCs进行了分析。结果表明，ED的浓度最高（92.340纳克/毫克），其次是DO**（75.167纳克/毫克）和AS（64.450纳克/毫克）。通过气相色谱-触角电位仪（GC-EAD）和触角电位（EAG），共鉴定出11种具有电生理活性的FVOC化合物。除芳樟醇外，这些化合物均表现出剂量依赖性反应。Y型管生物测定证实，苯乙醇或EAD活性化合物的混合物在雄性和雌性中均产生了正向趋化反应。FVOCs有潜力作为化学杀虫剂的天然且可持续的替代品用于害虫防治。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/c30a65dd86d5/fpls-15-1439087-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/13238bbdc58f/fpls-15-1439087-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/12d8e249f358/fpls-15-1439087-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/558ac82b3b14/fpls-15-1439087-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/61b504b3370a/fpls-15-1439087-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/c30a65dd86d5/fpls-15-1439087-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/13238bbdc58f/fpls-15-1439087-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/12d8e249f358/fpls-15-1439087-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/558ac82b3b14/fpls-15-1439087-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/61b504b3370a/fpls-15-1439087-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f041/11377291/c30a65dd86d5/fpls-15-1439087-g005.jpg

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