Biological and physiological response of a tropical parasitoid, Tetrastichus brontispae (Ferriere) following exposure to low temperature
文献类型: 外文期刊
作者: Lu, Baoqian 1 ; Tang, Zhenzheng 2 ; Bellis, Glenn A. 3 ; Wright, Mark G. 4 ; Jin, Qi-an 1 ; Peng, Zhengqiang 1 ; Wen, 1 ;
作者机构: 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Key Lab Integrated Pest Management Trop Crops, Minist Agr China, Haikou 571101, Hainan Province, Peoples R China
2.Forest Quarantine Stn Danzhou, Danzhou 571737, Hainan, Peoples R China
3.Charles Darwin Univ, Darwin, NT 0810, Australia
4.Univ Hawaii, Dept Plant & Environm Protect Sci, Coll Trop Agr & Human Resources, Honolulu, HI 96833 USA
5.Hainan Univ, Coll Environm & Plant Protect, Haikou 570228, Hainan Province, Peoples R China
6.Hainan Univ, Coll
关键词: Tetrastichus brontispae Ferriere;Cold tolerance;Biological performance;Physical response;Transcriptome
期刊名称:BIOCONTROL ( 影响因子:3.571; 五年影响因子:3.243 )
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收录情况: SCI
摘要: Tetrastichus brontispae FerriSre (Hymenoptera: Eulophidae) is an important natural enemy of the coconut leaf beetle Brontispa longissima (Gestro), a serious invasive pest on palm plants. Exposure to low temperature (2 A degrees C) for 4, 24 and 48 h had an adverse effect on biological performance (survival, parasitism rate) of T. brontispae with immature parasitoids (eggs, larvae, and pupae) being more sensitive to low temperature than adults. Exposure to 2 A degrees C for 24 h reduced the water content and increased the concentration of glycerol and trehalose, and activity of superoxidae in T. brontispae adults. Analysis of suppression subtractive hybridization indicated the integrative controlling and transcriptome regulation of the networks in the cold stress response of T. brontispae. Our study suggests that the allocation of energy reserves to either prevent or repair cold-induced damage may consume resources that could otherwise be invested in reproduction and consequently its ability to exert control on B. longissima.
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