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Transcriptome responses to heat and cold stress in prepupae of Trichogramma chilonis

文献类型： 外文期刊

作者： Yi, Jiequn 1 ; Liu, Jianbai 1 ; Li, Dunsong 2 ; Sun, Donglei 1 ; Li, Jihu 1 ; An, Yuxing 1 ; Wu, Han 1 ;

作者机构： 1.Guangdong Acad Sci, Guangdong Engn Res Ctr Pesticide & Fertilizer, Inst Bioengn, Guangzhou 510316, Peoples R China

2.Guangdong Acad Agr Sci, Guangdong Prov Key Lab High Technol Plant Protect, Plant Protect Res Inst, Guangzhou, Peoples R China

关键词： gene expression; molecular response; thermal stress; transcriptome; Trichogramma chilonis

期刊名称：ECOLOGY AND EVOLUTION （ 影响因子：2.912； 五年影响因子：3.271 ）

ISSN： 2045-7758

年卷期： 2021 年 11 卷 9 期

页码：

收录情况： SCI

摘要： Trichogramma is a useful species that is widely applied in biocontrol. Temperature profoundly affects the commercial application of T. chilonis. Different developmental transcriptomes of prepupae and pupae of T. chilonis under 10, 25, and 40 degrees C were obtained from our previous study. In this study, transcriptomic analysis was further conducted to gain a clear understanding of the molecular changes in the prepupae of T. chilonis under different thermal conditions. A total of 37,295 unigenes were identified from 3 libraries of prepupae of T. chilonis, 17,293 of which were annotated. Differential expression analysis showed that 408 and 108 differentially expressed genes (DEGs) were identified after heat and cold treatment, respectively. Under heat stress, the pathway of protein processing in endoplasmic reticulum was found to be active. Most of the genes involved in this pathway were annotated as lethal (2) essential for life [l(2)efl] and heat shock protein genes (hsps), which were both highly upregulated. Nevertheless, most of the genes involved in another significantly enriched pathway of starch and sucrose metabolism were downregulated, including 1 alpha-glucosidase gene and 2 beta-glucuronidase genes. Under cold stress, no significantly enriched pathway was found, and the significantly enriched GO terms were related to the interaction with host and immune defenses. Together, these results provide us with a comprehensive view of the molecular mechanisms of T. chilonis in response to temperature stresses and will provide new insight into the mass rearing and utilization of T. chilonis.

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