PROTEOMIC ANALYSIS OF UBIQUITINATED PROTEINS FROM DELTAMETHRIN-RESISTANT AND SUSCEPTIBLE STRAINS OF THE DIAMONDBACK MOTH, Plutella Xylostella L.
文献类型: 外文期刊
第一作者: Cheng, Luogen
作者: Cheng, Luogen;Du, Yaqiong;Hu, Junli;Jiao, Dongxu;Li, Jin;Zhou, Zhou;Xu, Qin;Li, Fengliang
作者机构:
关键词: Plutella xylostella;ubiquitinated protein;stress;LC MS/MS;deltamethrin
期刊名称:ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY ( 影响因子:1.698; 五年影响因子:1.758 )
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收录情况: SCI
摘要: Ubiquitin, a small protein consisting of 76 amino acids, acts in protein degradation, DNA repair, signal transduction, transcriptional regulation, and receptor control through endocytosis. Using proteomics, we compared the differentially ubiquitinated proteins between a deltamethrin-resistant (DR) strain and a deltamethrin-sensitive (DS) strain in third-instar larvae of the diamondback moth. We used polyubiquitin affinity beads to enrich ubiquitinated proteins and then performed one-dimensional SDS-PAGE separation and mass spectrometric identification. In the DR strain, We found 17 proteins that were upregulated (relative to the DS strain), including carbonic anhydrase family members, ADP ribosylation factor 102F CG11027-PA, protein kinase 61C, phospholipase A2, dihydrolipoamide dehydrogenase, tyrosine hydroxylase, and heat shock proteins, and five proteins that were downregulated in the DS strain, including carboxylesterase and DNA cytosine-5 methyltransferase. These results were also verified by qPCR. The differentially ubiquitinated proteins/enzymes were mainly responsible for protein binding, catalytic activity, and molecular transducer activity. These results improve our understanding of the relationship between protein ubiquitination and the deltamethrin stress response. (C) 2015 Wiley Periodicals, Inc.
分类号: Q966
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