Molecular cloning, characterization and mRNA expression of a ryanodine receptor gene from whitefly, Bemisia tabaci MED
文献类型: 外文期刊
第一作者: Zhang, Wei
作者: Zhang, Wei;Qu, Cheng;Li, Fengqi;Luo, Chen;Wang, Ran;Mu, Changqing;Wang, Jinda
作者机构:
关键词: Ryanodine receptor;Bemisia tabaci;mRNA expression;Cyantraniliprole
期刊名称:JOURNAL OF ASIA-PACIFIC ENTOMOLOGY ( 影响因子:1.303; 五年影响因子:1.427 )
ISSN: 1226-8615
年卷期: 2017 年 20 卷 1 期
页码:
收录情况: SCI
摘要: The Bemisia tabaci (Gennadius) cryptic species complex comprises very destructive insect pests for agricultural crops worldwide. In China, the B. tabaci MED species (also known as biotype 'Q'.), has supplanted the MEAM1 species (biotype 'B') which is threatening agricultural production around the country. The new anthranilic diamide insecticide, cyantraniliprole, provides one novel step for the management of B. tabaci and the development of resistance to other insecticides. Ryanodine receptors of insect are the main target sites of the diamide insecticides. In this study, the full-length cDNA of a ryanodine receptor gene (BtRyR) was cloned and characterized from B. tabaci MED. The cDNAs of BtRyR contain a 15,369-bp open reading frame with encoding 5122 amino acids (GenBank ID: KY244091). BtRyR shares 76-83% identity with other insect RyR isoforms and 42-45% identity with vertebrate RyR isoforms. Spatial and temporal expression of BtRyR mRNA was at the highest relative level in pseudopupae and head, and at the lowest expression level in egg and abdomen. The expression levels of whole body BtRyR mRNA were increased remarkably after insecticide-treatments of adults with cyantraniliprole at 0.01 to 1 mg/I. This structural and expression data on BtRyR provides the basis for further understanding the selective action of cyantraniliprole. (C) 2017 Korean Society of Applied Entomology, Taiwan Entomological Society and Malaysian Plant Protection Society. Published by Elsevier B.V. All rights reserved.
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