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首页> 外文期刊>Journal of Insect Physiology >Homology of olfactory receptor neuron response characteristics inferred from hybrids between Asian and European corn borer moths (Lepidoptera: Crambidae)
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Homology of olfactory receptor neuron response characteristics inferred from hybrids between Asian and European corn borer moths (Lepidoptera: Crambidae)

机译：从亚洲和欧洲玉米bore蛾的杂种推断出的嗅觉受体神经元反应特性的同源性（鳞翅目：Crambodae）

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摘要

First generation hybrid males from crosses between the Asian corn borer (ACB), Ostrinia furnacalis, and the "univoltine Z-strain" European corn borer (ECB), Ostrinia nubilalis, were examined with respect to behavioral and physiological responses to ACB and ECB pheromones. The hybrid males often flew to the pheromone of ECB Z-strain, but very rarely to the ACB pheromone. We mapped the tuning profiles of each ORN of the F1 hybrids with respect to the relevant pheromone components and a common behavioral antagonist by employing differential cross-adaptation and varying doses of the ligands. In the trichoid sensilla of F1 hybrid males, the three co-compartmentalized ORNs produced spikes that were very difficult to distinguish by size, unlike the parental populations. Comparing the responses to ACB and ECB components at different doses reveals overlapping profiles similar to males of both parental types, but more responsiveness to the ECB pheromone components. We were unable to detect any differences in the ORN tuning profiles when comparing males with different behavioral phenotypes. While the two ECB pheromone races have similar ORN tuning properties that are different from those in ACB, the spike-amplitude patterns of ECB E-strain and ACB have greater homology when compared to ECB Z-strain.
机译：来自亚洲玉米bore（ACB）， Ostrinia furnacalis 和“单伏Z株”欧洲玉米bore（ECB）， nusOstrinia nubilalis 之间杂交的第一代杂种雄性，就ACB和ECB信息素的行为和生理反应进行了检查。杂种雄性通常飞到ECB Z株的信息素，但很少飞到ACB信息素。通过采用差异交叉适应和不同剂量的配体，我们绘制了F 1 杂种的每个ORN的调谐图谱，涉及相关的信息素成分和常见的行为拮抗剂。在F 1 杂种雄性的三叶虫感官中，与亲本种群不同，三个共同区划的ORN产生了很难区分大小的穗状花序。比较不同剂量对ACB和ECB成分的反应，可以发现与两种亲本类型的雄性相似的重叠特征，但是对ECB信息素成分的反应性更高。比较具有不同行为表型的男性时，我们无法检测到ORN调节谱中的任何差异。尽管两个ECB信息素族具有与ACB不同的相似ORN调整属性，但与ECB Z应变相比，ECB E应变和ACB的尖峰幅度模式具有更大的同源性。

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