دورية أكاديمية
أعرض في EDS

Trans-generational desensitization and within-generational resensitization of a sucrose-best neuron in the polyphagous herbivore Helicoverpa armigera (Lepidoptera: Noctuidae).

التفاصيل البيبلوغرافية
العنوان: Trans-generational desensitization and within-generational resensitization of a sucrose-best neuron in the polyphagous herbivore Helicoverpa armigera (Lepidoptera: Noctuidae).
المؤلفون: Ma Y; The Institute of Chemical Ecology, Henan Agricultural University, Zhengzhou, 450002, China., Li J; The Institute of Chemical Ecology, Henan Agricultural University, Zhengzhou, 450002, China., Tang Q; The Institute of Chemical Ecology, Henan Agricultural University, Zhengzhou, 450002, China., Zhang X; The Institute of Chemical Ecology, Henan Agricultural University, Zhengzhou, 450002, China.; Zhengzhou City River Management Office, Zhengzhou, 450006, China., Zhao X; The Institute of Chemical Ecology, Henan Agricultural University, Zhengzhou, 450002, China., Yan F; The Institute of Chemical Ecology, Henan Agricultural University, Zhengzhou, 450002, China., van Loon JJ; Laboratory of Entomology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands.
المصدر: Scientific reports [Sci Rep] 2016 Dec 14; Vol. 6, pp. 39358. Date of Electronic Publication: 2016 Dec 14.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE
أسماء مطبوعة: Original Publication: London : Nature Publishing Group, copyright 2011-
مواضيع طبية MeSH: Herbivory/*physiology , Lepidoptera/*physiology , Neurons/*physiology , Sensilla/*physiology , Sucrose/*administration & dosage , Sweetening Agents/*administration & dosage , Taste/*drug effects, Animals ; Diet/methods ; Herbivory/drug effects ; Humans ; Larva/drug effects ; Larva/physiology ; Lepidoptera/drug effects ; Neurons/drug effects ; Sensilla/drug effects
مستخلص: Dietary exposure of insects to a feeding deterrent substance for hours to days can induce habituation and concomitant desensitization of the response of peripheral gustatory neurons to such a substance. In the present study, larvae of the herbivore Helicoverpa armigera were fed on diets containing either a high, medium or low concentration of sucrose, a major feeding stimulant. The responsiveness of the sucrose-best neuron in the lateral sensilla styloconica on the galea was quantified. Results showed the response of the sucrose-best neuron exposed to high-sucrose diets decreased gradually over successive generations, resulting in complete desensitization in the 5 th and subsequent generations. However, the sensitivity was completely restored in the ninth generation after neonate larvae were exposed to low-sucrose diet. These findings demonstrate phenotypic plasticity and exclude inadvertent artificial selection for low sensitivity to sucrose. No significant changes were found in the sensitivity of caterpillars which experienced low- or medium-sucrose diets over the same generations. Such desensitization versus re-sensitization did not generalise to the phagosimulant myo-inositol-sensitive neuron or the feeding deterrent-sensitive neuron. Our results demonstrate that under conditions of high sucrose availability trans-generational desensitization of a neuron sensitive to this feeding stimulant becomes more pronounced whereas re-sensitization occurs within one generation.
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المشرفين على المادة: 0 (Sweetening Agents)
57-50-1 (Sucrose)
تواريخ الأحداث: Date Created: 20161215 Date Completed: 20180619 Latest Revision: 20181113
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC5155215
DOI: 10.1038/srep39358
PMID: 27966640
قاعدة البيانات: MEDLINE
الوصف
تدمد:2045-2322
DOI:10.1038/srep39358