MAP4K4 controlled transcription factor POUM1 regulates PxABCG1 expression influencing Cry1Ac resistance in Plutella xylostella (L.)
文献类型: 外文期刊
作者: Xu, Linzheng 1 ; Qin, Jianying 1 ; Fu, Wei 2 ; Wang, Shaoli 1 ; Wu, Qinjun 1 ; Zhou, Xuguo 3 ; Crickmore, Neil 4 ; Guo, Zhaojiang 1 ; Zhang, Youjun 1 ;
作者机构: 1.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Dept Plant Protect, 12 South St Zhong Guan Cun, Beijing 100081, Peoples R China
2.Hunan Acad Agr Sci, Inst Plant Protect, Dept Entomol, Changsha 410125, Peoples R China
3.Univ Kentucky, Dept Entomol, Lexington, KY 40546 USA
4.Univ Sussex, Sch Life Sci, Brighton BN1 9QG, E Sussex, England
关键词: Bacillus thuringiensis; Plutella xylostella; Cry1Ac resistance; ABCG1; Transcription factor; POUM1
期刊名称:PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY ( 影响因子:4.966; 五年影响因子:4.591 )
ISSN: 0048-3575
年卷期: 2022 年 182 卷
页码:
收录情况: SCI
摘要: Deciphering the molecular mechanisms of insect resistance to Bacillus thuringiensis (Bt) based biotechnology products including Bt sprays and Bt crops is critical for the long-term application of Bt technology. Previously, we established that down-regulation of the ABC transporter gene PxABCG1, trans-regulated by the MAPK signaling pathway, contributed to high-level resistance to Bt Cry1Ac toxin in diamondback moth, Plutella xylostella (L.). However, the underlying transcriptional regulatory mechanism was unknown. Herein, we identified putative binding sites (PBSs) of the transcription factor (TF) POUM1 in the PxABCG1 promoter and used a dual-luciferase reporter assay (DLRA) and yeast one-hybrid (Y1H) assay to reveal that POUM1 activates PxABCG1 via interaction with one of these sites. The expression of POUM1 was significantly decreased in the midgut tissue of Cry1Ac-resistant P. xylostella strains compared to a Cry1Ac-susceptible P. xylostella strain. Silencing of POUM1 expression resulted in reduced expression of the PxABCG1 gene and an increase in larval tolerance to Bt Cry1Ac toxin in the Cry1Ac-susceptible P. xylostella strain. Furthermore, silencing of PxMAP4K4 expression increased the expression of both POUM1 and PxABCG1 genes in the Cry1Ac-resistant P. xylostella strain. These results indicate that the POUM1 induces PxABCG1 expression, while the activated MAPK cascade represses PxABCG1 expression thus reducing Cry1Ac susceptibility in P. xylostella. This result deepens our understanding of the transcriptional regulatory mechanism of midgut Cry receptor genes and the molecular basis of the evolution of Bt resistance in insects.
- 相关文献
作者其他论文 更多>>
-
Cloning and functional characterization of a tau class glutathione transferase associated with haloxyfop-P-methyl resistance in Digitaria sanguinalis
作者:Liu, Xiangying;Hou, Zhenlin;Zhang, Yuying;Luo, Kun;Ding, Chunxia;Liu, Xiangying;Merchant, Austin;Ma, Guolan;Zeng, Qing;Merchant, Austin;Zhou, Xuguo;Ding, Chunxia;Zhou, Xuguo
关键词:Digitaria sanguinalis; metabolic resistance; haloxyfop-P-methyl; glutathione transferase; gene expression
-
Tomato Chlorosis Virus (ToCV) Infection Induced the Resistance of Bemisia tabaci to Two Insecticides: Pyrethroids and Flupyradifurone
作者:Zhang, Jisong;Zhang, Youjun;Huang, Liping;Zhang, Zhuo;Zhang, Zhanhong;Zhang, Deyong;Shi, Xiaobin;Liu, Yong;Zhang, Youjun
关键词:Bemisia tabaci MED; ToCV; insecticide resistance
-
Effects of insulin-like peptide 7 in Bemisia tabaci MED on tomato chlorosis virus transmission
作者:Xu, HuiNan;Zhang, DeYong;Shi, XiaoBin;Liu, Yong;Xu, HuiNan;Zhang, Zhuo;Peng, Jing;Gao, Yang;Li, KaiLong;Chen, Jianbin;Du, Jiao;Yan, Shuo;Zhang, DeYong;Shi, XiaoBin;Liu, Yong;Zhang, ZhanHong;Zhou, XuGuo
关键词:Bemisia tabaci MED; tomato chlorosis virus; trehalose metabolism; insulin-like peptide 7; RNA interference
-
Field Resistance of Digitaria sanguinalis (L.) Scop. to Haloxyfop-P-methyl in China's Cotton Fields
作者:Zong, Tao;Liu, Xiangying;Zong, Tao;Li, Jie;Zong, Tao;Liu, Xiangying;Zhou, Xuguo
关键词:herbicide resistance; Digitaria sanguinalis; haloxyfop-P-methyl; acetyl-CoA carboxylase; glutathione S-transferase
-
Bta06987, Encoding a Peptide of the AKH/RPCH Family: A Role of Energy Mobilization in Bemisia tabaci
作者:Fan, Xiaofan;Liu, Yong;Shi, Xiaobin;Zhang, Deyong;Fan, Xiaofan;Liu, Yong;Zhang, Zhuo;Peng, Jing;Gao, Yang;Zheng, Limin;Chen, Jianbin;Du, Jiao;Yan, Shuo;Shi, Xiaobin;Zhang, Deyong;Zhang, Zhanhong;Zhou, Xuguo
关键词:Bta06987; neuropeptide precursor; AKH; RPCH family; trehalose; RNAi; EPG; Bemisia tabaci
-
Rhodopseudomonas palustris PSB-06 Induces Plant Defense and Suppresses the Transmission of Tomato Chlorosis Virus by Bemisia tabaci MED
作者:Lu, Dingyihui;Shi, Xiaobin;Zhang, Deyong;Lu, Dingyihui;Yue, Hao;Chen, Jianbin;Wei, Yan;Zhang, Zhuo;Zheng, Limin;Gao, Yang;Peng, Jing;Shi, Xiaobin;Liu, Yong;Zhang, Deyong;Zhang, Zhanhong;Zeng, Jun;Zhou, Xuguo
关键词:PSB-06; tomato chlorosis virus; Bemisia tabaci; plant defense; transmission
-
Scale-Dependent Effects of Growth Stage and Elevational Gradient on Rice Phyllosphere Bacterial and Fungal Microbial Patterns in the Terrace Field
作者:Wang, Pei;Dai, Jianping;Liu, Yong;Zhang, Zhuo;Li, Xiaojuan;Fu, Wei;Tang, Tao;Xiao, Youlun;Wang, Pei;Liu, Yong;Liu, Erming;Wang, Pei;Liu, Erming;Luo, Luyun;Jin, Decai;Hu, Yang
关键词:rice phyllosphere; elevational gradient; growth stage; fungi; bacteria