Expressions of the trypsin-like-enzyme, AlSP4 and total trypsin-like-enzyme in Apolygus lucorum (Meyer-Dur) (Hemiptera: Miridae) feeding on different cotton varieties
文献类型： 外文期刊
作者： Sun, Yang 1 ; Li, Yan 1 ; Zhang, Wen 1 ; Tao, Si-min 1 ; Zhang, Yong-mei 1 ; Jiang, Bin 1 ; Chen, Jia-Jun 1 ; Zhao, Jing 2 ; Bai, Li-Xin 2 ; Zhang, Yong-Jun 3 ;
作者机构： 1.Anhui Normal Univ, Coll Life Sci, Key Lab Conservat & Use Important Biol Resources, Anhui Prov Key Lab Mol Enzymol & Mech Major Dis, Wuhu, Anhui, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing, Peoples R China
3.Chinese Acad Agr Sci, Inst Plant Protect, Lab Biol Plant Dis & Insect Pests, Beijing, Peoples R China
关键词： Apolygus lucorum; trypsin-like enzyme; linear regression; potential target; per female fecundity
期刊名称：INTERNATIONAL JOURNAL OF PEST MANAGEMENT （ 影响因子：1.766； 五年影响因子：1.513 ）
ISSN： 0967-0874
年卷期：
页码：
收录情况： SCI
摘要： Apolygus lucorum is currently a main pest of cotton in China. In this study, the expression of trypsin-like enzyme AlSP4 gene and corresponding protein in A. lucorum was confirmed to be significantly higher when it fed on Bt cotton than on conventional cotton and Sauteed green beans (control). Compared with Bt cotton, when A. lucorum fed on conventional cotton, the total trypsin-like enzyme activity and female fertility were reduced overtly. And, when it fed on non-hybrid cotton (Gk19 and Sim3), A. lucorum showed a higher expression of total trypsin-like protease, per female fecundity, hatching rate of eggs and life span than on hybrid cotton (Ezm10 and Sum9). This indicated that the hybrid cotton inhibited the growth and development of A. lucorum better than the non-hybrid cotton. Furthermore, data analysis showed that there were significant positive linear associations between female trypsin-like enzyme activity and key factors of population proliferation, such as female adult life span and per female fecundity. These findings indicated that the total trypsin-like enzyme was a potential target to control A. lucorum, especially the female adults.
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