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Transcription response of three putative trehalase genes to hormonal stimulation in the Colorado potato beetle, Leptinotarsa decemlineata (Coleoptera: Chrysomelidae)

文献类型： 外文期刊

作者： Shi, Ji-Feng 1 ; Sun, Qiang-Kun 1 ; Mu, Li-Li 1 ; Guo, Wen-Chao 2 ; Li, Guo-Qing 1 ;

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

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

关键词： Leptinotarsa decemlineata;Trehalase;20-Hydroxyecdysone;Juvenile hormone;Insulin-like peptide

期刊名称：APPLIED ENTOMOLOGY AND ZOOLOGY （ 影响因子：1.403； 五年影响因子：1.381 ）

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收录情况： SCI

摘要： Trehalose is used primarily for the metabolic production of ATP energy and carbon sources. Its metabolic availability is regulated by trehalase (TRE). In the present paper, three TRE genes were identified in Leptinotarsa decemlineata (Say), and designated LdTRE1a, LdTRE1b, and LdTRE2 according to their Tribolium homologues. Within the first, second, and third larval instars, the expression levels of LdTREs were high just before and right after the molt, and were low in the mid instar. In the fourth larval instar, two peaks occurred at 24 h after ecdysis and at the wandering stage. In vitro culture of midguts and an in vivo bioassay revealed that 20-hydroxyecdysone (20E) stimulated the expression of the three LdTREs. Conversely, a reduction of 20E by RNA interference (RNAi) of a prothoracicotropic hormone receptor gene LdTorso and an ecdysteroidogenesis gene LdSHD repressed the expression of the three LdTREs. Moreover, disruption of 20E signaling by RNAi of LdEcR, LdE75, and LdFTZ-F1 reduced the transcript levels of the three LdTREs. Similarly, in vitro culture and an in vivo bioassay showed that exogenous juvenile hormone (JH) or JH analogue methoprene and pyriproxyfen activated LdTREs expression. An increase of endogenous JH by RNAi of an allatostatin gene LdAS-C enhanced the transcription. In contrast, a decrease in JH by RNAi of a JH biosynthesis gene LdJHAMT downregulated the transcription. Moreover, knockdown of LdILP2 repressed the expression of the three LdTREs. The content of hemolymph trehalose was increased while the concentration of glucose was decreased. It seems that the transcription of LdTRE1a, LdTRE1b, and LdTRE2 is regulated by 20E, JH, and ILP signaling pathways in Leptinotarsa decemlineata.

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[1]Knockdown of a putative insulin-like peptide gene LdILP2 in Leptinotarsa decemlineata by RNA interference impairs pupation and adult emergence. Fu, Kai-Yun,Zhu, Tao-Tao,Li, Guo-Qing,Guo, Wen-Chao,Ahmat, Tursun.

[2]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

[3]IDENTIFICATION AND HORMONE INDUCTION OF PUTATIVE CHITIN SYNTHASE GENES AND SPLICE VARIANTS IN Leptinotarsa decemlineata (SAY). Shi, Ji-Feng,Mu, Li-Li,Li, Guo-Qing,Guo, Wen-Chao.

[4]RNA interference suppression of the receptor tyrosine kinase Torso gene impaired pupation and adult emergence in Leptinotarsa decemlineata. Zhu, Tao-Tao,Meng, Qing-Wei,Li, Guo-Qing,Guo, Wen-Chao.

[5]Involvement of FTZ-F1 in the regulation of pupation in Leptinotarsa decemlineata (Say). Liu, Xin-Ping,Fu, Kai-Yun,Lu, Feng-Gong,Meng, Qing-Wei,Li, Guo-Qing,Guo, Wen-Chao.

[6]Nuclear receptor ecdysone-induced protein 75 is required for larval-pupal metamorphosis in the Colorado potato beetle Leptinotarsa decemlineata (Say). Guo, W-C.,Liu, X-P.,Fu, K-Y.,Shi, J-F.,Lu, F-G.,Li, G-Q.,Guo, W-C..

[7]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.

[8]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.

[9]Leptinotarsa cap 'n' collar isoform C/Kelch-like ECH associated protein 1 signaling is critical for the regulation of ecdysteroidogenesis in the larvae. Sun, Qiang-Kun,Meng, Qing-Wei,Xu, Qing-Yu,Deng, Pan,Li, Guo-Qing,Guo, Wen-Chao.

[10]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.

[11]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.

[12]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.

[13]Instar-dependent systemic RNA interference response in Leptinotarsa decemlineata larvae. Guo, Wen-Chao,Fu, Kai-Yun,Li, Guo-Qing,Guo, Wen-Chao,Yang, Shuai,Li, Xiao-Xu.

[14]Chlorantraniliprole susceptibility in leptinotarsa decemlineata in the north Xinjiang Uygur autonomous region in China. Jiang, Wei-Hua,Lu, Wei-Ping,Li, Guo-Qing,Guo, Wen-Chao,Xia, Zhen-Han,Fu, Wen-Jun.

[15]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.

[16]Characterization of two juvenile hormone epoxide hydrolases by RNA interference in the Colorado potato beetle. Lu, Feng-Gong,Fu, Kai-Yun,Li, Guo-Qing,Guo, Wen-Chao.

[17]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.

[18]Insecticide resistance status of Colorado potato beetle (Coleoptera: Chrysomelidae) adults in Northern Xinjiang Uygur autonomous region. Jiang, Wei-Hua,Wang, Zhi-Tian,Xiong, Man-Hui,Lu, Wei-Ping,Liu, Ping,Li, Guo-Qing,Jiang, Wei-Hua,Wang, Zhi-Tian,Xiong, Man-Hui,Lu, Wei-Ping,Liu, Ping,Li, Guo-Qing,Guo, Wen-Chao.

[19]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.

[20]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

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