Functional validation of the carbon dioxide receptor in labial palps of Helicoverpa armigera moths
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- 作者：Chao Ning ; Ke Yang ; Meng Xu ; Ling-Qiao Huang ; Chen-Zhu Wang ; czwang@ioz.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Helicoverpa armigera ; CO2 receptor ; Xenopus expression system ; Two-electrode voltage-clamp recording ; In situ hybridization ; Single sensillum recording
- 刊名：Insect Biochemistry and Molecular Biology
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：73
- 期：Complete
- 页码：12-19
- 全文大小：1278 K
文摘
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The sensory neurons in labial palps of Helicoverpa armigera strongly respond to CO2 stimuli.
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Three putative CO2 receptor genes, Gr1, Gr2 and Gr3 are predominantly expressed in the labial palps.
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In situ hybridization results show that all three genes are co-expressed in the same cells of labial palps.
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The Xenopus oocytes co-expressing Gr1 and Gr3 or co-expressing Gr1, Gr2 and Gr3 give robust responses to NaHCO3.
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Gr1 and Gr3 are indispensable and sufficient genes for CO2 sensing in H. armigera.