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Characterization of two juvenile hormone epoxide hydrolases by RNA interference in the Colorado potato beetle

文献类型： 外文期刊

作者： Lu, Feng-Gong 1 ; Fu, Kai-Yun 1 ; Guo, Wen-Chao 2 ; Li, Guo-Qing 1 ;

作者机构： 1.Nanjing Agr Univ, Coll Plant Protect, Educ Minist, Key Lab Integrated Management Crop Dis & Pests, Nanjing 210095, Jiangsu, Peoples R China

2.Xinjiang Acad Agr Sci, Dept Plant Protect, Urumqi 830091, Peoples R China

关键词： Leptinotarsa decemlineata;Juvenile hormone epoxide hydrolase;RNA interference;Juvenile hormone titer;Performance

期刊名称：GENE （ 影响因子：3.688； 五年影响因子：3.329 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： In insect, juvenile hormone OH) titers are tightly regulated in different development stages through synthesis and degradation pathways. During JH degradation, JH epoxide hydrolase (JHEH) converts JH to JH diol, and hydrolyses JH acid to JH acid diol. In this study, two full length LdJHEH cDNAs were cloned from Leptinotarsa decemlineata, and were provisionally designated LdJHEH1 and LdJHEH2. Both mRNAs were detectable in the thoracic muscles, brain-corpora cardiaca-corpora allata complex, foregut, midgut, hindgut, ventral ganglia, Malpighian tubules, fat bodies, epidermis, and hemocytes of the day 2 fourth-instar larvae, and in female ovaries as well as male reproductive organs of the adults. Moreover, both LdJHEH1 and LdJHEH2 were expressed throughout all larval life, with the highest peaks occurring 32 h after ecdysis of the final (fourth) instar larvae. Four double-stranded RNAs (dsRNAs) (d5JHEH1-1, dsJHEH1-2, ds1HEH2-1, dsJHEH2-2) respectively targeting LdJHEH1 and LdJHEH2 were constructed and bacterially expressed. Ingestion of dsJHEH1-1, dsJHEH1-2, dsJHEH2-1, dsJHEH2-2, and a mixture of dsJHEH1-1 + d5JHEH2-1 successfully knocked down corresponding target gene function, and significantly increased JH titer and upregulated Kriippel homolog 1 (LdKr-h1) mRNA level. Knockdown of either LdJHEH1 or LdJHEH2, or both genes slightly reduced larval weight and delayed larval development, and significantly impaired adult emergence. Therefore, it is suggested that knockdown LdJHEH1 and LdJHEH2 affected JH degradation in the Colorado potato beetle. (C) 2015 Elsevier B.V. Al! rights reserved.

  • 相关文献

[1]CHARACTERIZATION AND FUNCTIONAL STUDY OF A PUTATIVE JUVENILE HORMONE DIOL KINASE IN THE COLORADO POTATO BEETLE Leptinotarsa decemlineata (Say). Fu, Kai-Yun,Lu, Feng-Gong,Li, Guo-Qing,Guo, Wen-Chao.

[2]Involvement of a putative allatostatin in regulation of juvenile hormone titer and the larval development in Leptinotarsa decemlineata (Say). Meng, Qing-Wei,Liu, Xin-Ping,Lu, Feng-Gong,Fu, Kai-Yun,Li, Guo-Qing,Guo, Wen-Chao. 2015

[3]Knockdown of juvenile hormone acid methyl transferase severely affects the performance of Leptinotarsa decemlineata (Say) larvae and adults. Fu, Kai-Yun,Li, Qian,Zhou, Li-Tao,Meng, Qing-Wei,Lu, Feng-Gong,Li, Guo-Qing,Guo, Wen-Chao.

[4]RNA interference of chitin synthase genes inhibits chitin biosynthesis and affects larval performance in Leptinotarsa decemlineata (Say). Shi, Ji-Feng,Mu, Li-Li,Chen, Xu,Li, Guo-Qing,Guo, Wen-Chao. 2016

[5]Knockdown of a putative alanine aminotransferase gene affects amino acid content and flight capacity in the Colorado potato beetle Leptinotarsa decemlineata. Wan, Pin-Jun,Fu, Kai-Yun,Lu, Feng-Gong,Li, Guo-Qing,Guo, Wen-Chao,Wan, Pin-Jun.

[6]Knocking down a putative Delta(1)-pyrroline-5-carboxylate dehydrogenase gene by RNA interference inhibits flight and causes adult lethality in the Colorado potato beetle Leptinotarsa decemlineata (Say). Wan, Pin-Jun,Fu, Kai-Yun,Lu, Feng-Gong,Wang, Xin-Xin,Li, Guo-Qing,Wan, Pin-Jun,Guo, Wen-Chao.

[7]Identification of ten mevalonate enzyme-encoding genes and their expression in response to juvenile hormone levels in Leptinotarsa decemlineata (Say). Li, Qian,Meng, Qing-Wei,Lu, Feng-Gong,Li, Guo-Qing,Guo, Wen-Chao.

[8]The subunit gene Ld alpha 1 of nicotinic acetylcholine receptors plays important roles in the toxicity of imidacloprid and thiamethoxam against Leptinotarsa decemlineata. Qu, Yang,Chen, Jinhua,Li, Chenge,Wang, Qiang,Han, Zhaojun,Jiang, Weihua,Guo, Wenchao.

[9]Physiological roles of trehalose in Leptinotarsa larvae revealed by RNA interference of trehalose-6-phosphate synthase and trehalase genes. Shi, Ji-Feng,Xu, Qing-Yu,Sun, Qiang-Kun,Meng, Qing-Wei,Mu, Li-Li,Li, Guo-Qing,Guo, Wen-Chao.

[10]The P450 enzyme Shade mediates the hydroxylation of ecdysone to 20-hydroxyecdysone in the Colorado potato beetle, Leptinotarsa decemlineata. Kong, Y.,Liu, X-P.,Wan, P-J.,Shi, X-Q.,Li, G-Q.,Guo, W-C..

[11]Novaluron ingestion causes larval lethality and inhibits chitin content in Leptinotarsa decemlineata fourth-instar larvae. Xu, Qing-Yu,Meng, Qing-Wei,Shi, Ji-Feng,Deng, Pan,Li, Guo-Qing,Guo, Wen-Chao. 2017

[12]Transcription changes of a putative trehalose-6-phosphate synthase gene in response to hormone stimulation in Leptinotarsa decemlineata (Say). Shi, Ji-Feng,Xu, Qing-Yu,Li, Guo-Qing,Guo, Wen-Chao. 2016

[13]RNA interference of a putative S-adenosyl-L-homocysteine hydrolase gene affects larval performance in Leptinotarsa decemlineata (Say). Zhou, Li-Tao,Jia, Shuang,Wan, Pin-Jun,Kong, Ye,Li, Guo-Qing,Guo, Wen-Chao,Ahmat, Tursun. 2013

[14]Efficacy of endosulfan and fipronil and joint toxic action of endosulfan mixtures against Leptinotarsa decemlineata (Say). Shi, Xiao-qin,Xiong, Man-Hui,Jiang, Wei-Hua,Wang, Zhi-Tian,Li, Guo-Qing,Guo, Wen-Chao,Xia, Zhen-Han,Fu, Wen-Jun. 2012

[15]A putative Delta(1)-pyrroline-5-carboxylate synthetase involved in the biosynthesis of proline and arginine in Leptinotarsa decemlineata. Wan, Pin-Jun,Fu, Kai-Yun,Lu, Feng-Gong,Li, Guo-Qing,Guo, Wen-Chao.

[16]Effect of Temperature on the Occurrence and Distribution of Colorado Potato Beetle (Coleoptera: Chrysomelidae) in China. Liu, Huai,Wang, Jin-Jun,Li, Chao,Cheng, Deng-Fa,Zhang, Yun-Hui,Sun, Jin-Rui,Huang, Fangneng,Guo, Wen-Chao. 2014

[17]Receptor tyrosine kinase genes respond transcriptionally to sublethal doses of five insecticides by a mode-of-action independent way in Leptinotarsa decemlineata (Say). Shi, Ji-Feng,Zhu, Tao-Tao,Li, Guo-Qing,Guo, Wen-Chao. 2016

[18]The basic helix-loop-helix transcription factors in the Colorado potato beetle Leptinotarsa decemlineata. Fu, Kai-Yun,Meng, Qing-Wei,Lu, Feng-Gong,Li, Guo-Qing,Guo, Wen-Chao,Ahmat, Tursun. 2015

[19]Response of the vacuolar ATPase subunit E to RNA interference and four chemical pesticides in Leptinotarsa decemlineata (Say). Fu, Kai-Yun,Lu, Feng-gong,Liu, Xin-ping,Li, Guo-Qing,Guo, Wen-Chao.

[20]Functions of nuclear receptor HR3 during larval-pupal molting in Leptinotarsa decemlineata (Say) revealed by in vivo RNA interference. Guo, Wen-Chao,Liu, Xin-Ping,Fu, Kai-Yun,Shi, Ji-Feng,Lu, Feng-Gong,Li, Guo-Qing,Guo, Wen-Chao.

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