Immune signaling pathways in the endoparasitoid, Pteromalus puparum

文献类型： 外文期刊

第一作者： Yang, Lei

作者： Yang, Lei;Wang, Jiale;Jin, Hongxia;Fang, Qi;Yan, Zhichao;Ye, Gongyin;Yang, Lei;Wang, Jiale;Jin, Hongxia;Fang, Qi;Yan, Zhichao;Ye, Gongyin;Yang, Lei;Lin, Zhe;Zou, Zhen;Song, Qisheng;Stanley, David

作者机构：

关键词： bacteria; immunity; parasitoid wasp; Pteromalus puparum; transcriptome

期刊名称：ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY （ 影响因子：1.698； 五年影响因子：1.758 ）

ISSN： 0739-4462

年卷期： 2020 年 103 卷 2 期

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收录情况： SCI

摘要： Parasitoids serve as effective biocontrol agents for agricultural pests. However, they face constant challenges from host immune defense and numerous pathogens and must develop potent immune defense against these threats. Despite the recent advances in innate immunity, little is known about the immunological mechanisms of parasitoids. Here, we identified and characterized potential immune-related genes of the endoparasitoid, Pteromalus puparum, which act in regulating populations of some members of the Pieridae. We identified 216 immune-related genes based on interrogating the P. puparum genome and transcriptome databases. We categorized the cognate gene products into recognition molecules, signal moieties and effector proteins operating in four pathways, Toll, IMD, JAK/STAT, and JNK. Comparative analyses of immune-related genes from seven insect species indicate that recognition molecules and effector proteins are more expanded and diversified than signaling genes in these signal pathways. There are common 1:1 orthologs between the endoparasitoid P. puparum and its relative, the ectoparasitoid Nasonia vitripennis. The developmental expression profiles of immune genes randomly selected from the transcriptome analysis were verified by a quantitative polymerase chain reaction. Our work provides comprehensive analyses of P. puparum immune genes, some of which may be exploited in advancing parasitoid-based biocontrol technologies.

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