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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lu, Qin Huang, Ling-Yan Chen, Peng Yu, Jin-Feng Xu, Jin Deng, Jian-Yu Ye, Hui |
| Description | Author Affiliation: Lu Q ( Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Yunnan University, Kunming 650091, P.R. China. Department of Plant Protection, School of Agriculture and Food Science, Zhejiang Agriculture and Forestry University, Lin'an, Zhejiang 311300, P.R. China. These authors contri); Huang LY ( Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Yunnan University, Kunming 650091, P.R. China. These authors contributed equally to this work.); Chen P ( Yunnan Academy of Forestry, Kunming 650201, P.R. China.); Yu JF ( Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Yunnan University, Kunming 650091, P.R. China.); Xu J ( Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Yunnan University, Kunming 650091, P.R. China. xujin2798@126.com.); Deng JY ( Department of Plant Protection, School of Agriculture and Food Science, Zhejiang Agriculture and Forestry University, Lin'an, Zhejiang 311300, P.R. China.); Ye H ( Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Yunnan University, Kunming 650091, P.R. China.) |
| Abstract | Spodoptera litura F. is one of the most destructive insect pests of many agricultural crops and notorious for developing insecticide resistance. Developing environmental friendly control methods such as novel pheromone and RNAi-related control strategies is imperative to control this pest. In the present study, the full-length cDNA encoding the diapause hormone and pheromone biosynthesis activating neuropeptide (DH-PBAN) was identified and characterized in S. litura. This 809-bp transcript contains a 573-nucleotide ORF encoding a 191-amino acid protein, from which five putative neuropeptides, including PBAN, DH, and -, ß-, and γ-subesophageal ganglion neuropeptides, were derived. Phylogenetic analysis showed that both the whole protein and each of the five neuropeptides have high similarities to those of DH-PBANs from other insect orders particularly Lepidoptera. Females treated with TKYFSPRLamide (the active core fragment of PBAN) produced significantly more four types of pheromone compounds (A; B; C; D) than controls. RNA interference by injection of PBAN dsRNA significantly reduced the relative expression levels of this gene in adult females (approximately reduced by 60%). As a consequence, females treated with PBAN dsRNA produced significantly less four types of pheromone compounds (A; B; C; D) than controls. These results suggest that PBAN function in activating sex pheromone biosynthesis and the RNAi of DH-PBAN gene can be induced by the injection of dsRNA into the body cavity in S. litura. This study suggests the possibility of novel pheromone-related pest control strategies based on RNAi techniques. |
| File Format | HTM / HTML |
| ISSN | 00220493 |
| e-ISSN | 1938291X |
| Journal | Journal of Economic Entomology |
| Issue Number | 3 |
| Volume Number | 108 |
| Language | English |
| Publisher | Oxford University Press |
| Publisher Date | 2015-06-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Zoology Gene Expression Regulation Insect Proteins Genetics Neuropeptides Rna Interference Spodoptera Amino Acid Sequence Animals Dna, Complementary Metabolism Molecular Sequence Data Phylogeny Rna, Double-stranded Sequence Alignment Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Medicine Insect Science |
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