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RISS 인기검색어
- 검색키워드
- 저자 : Yueping He (검색결과 2 건)
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Wenhong Li,Yu-Cheng Zhu,Fengliang Li,Yueping He 한국응용곤충학회 2020 Journal of Asia-Pacific Entomology Vol.23 No.1
The aphid complex (Brevicoryne brassicae, Lipaphis erysimi and Myzus persicae) in cruciferous crops are extremely similar in appearance but they however showed differences in their levels of susceptibilities to various insecticides. The lacking of genomic and transcriptomic information on B. brassicae and L. erysimi limits our understanding of resistance status among aphid species at the molecular level. Based on the mining of the public transcriptome data, we identified a number of genes encoding three detoxifying enzymes, carboxylesterases (containing acetylcholinesterases), cytochrome P450s, and glutathione S-transferases. Several insecticide targets were also identified, such as acetylcholinesterase, nicotinic acetylcholine receptor, γ-aminobutyric acid gated ion channel, glutamate receptor, the voltage-gated sodium channel, ryanodine receptor, transient receptor potential vanilloid channel, and inward-rectifier potassium channel. Our study provides genetic information for understanding the diversity of insecticide resistance occurring among cruciferous aphids, which could meaningfully contribute towards complementing future related studies.
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Siyi Liu,David R. Nelson,Jing Zhao,Hongxia Hua,Yueping He 한국응용곤충학회 2017 Journal of Asia-Pacific Entomology Vol.20 No.2
The mirid bug, Cyrtorhinus lividipennis Reuter, an important predatory natural enemy of rice planthoppers, is widely distributed in rice fields. However, genetic information on C. lividipennis is lacking. Especially, limited data about mechanisms of insecticide selectivity between this piercing-sucking predator (C. lividipennis) and piercing-sucking preys (rice planthoppers), inhibits development of selective insecticides and the integration of chemical and biological control systems to control insect pests of rice. Hence, we performed de novo assembly of a transcriptome from adult and nymph whole bodies of C. lividipennis. A total of> 29 million of reads were generated, and 34,752 transcripts matched known proteins. Then, the genes related to insecticide action and detoxification were manually identified, including 26 carboxylesterases (containing 2 acetylcholinesterases), 57 cytochrome P450s, 19 glutathione S-transferases, 15 nicotinic acetylcholine receptors, 3 GABA-gated ion channels, and 1 glutamate receptor. Comparisons of sequence differences in these genes between C. lividipennis and rice planthoppers, revealed that quite a lot of diversity was found among genes related to insecticide action and detoxification, while a few of these genes share much higher identities between this predator and prey. The present study provides useful information for our understanding of insecticide selectivity between rice planthoppers and the predator mirid bug.
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