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对红蜘蛛（）侵害的转录组反应。

Transcriptomic Responses of to the Infestation of Red Spider Mites ().

机构信息

Temasek Life Sciences Laboratory, National University of Singapore, 1 Research Link, Singapore 117604, Singapore.

Department of Biological Sciences, National University of Singapore, 14 Science Drive, Singapore 117543, Singapore.

出版信息

Int J Mol Sci. 2023 Jul 31;24(15):12261. doi: 10.3390/ijms241512261.

DOI:10.3390/ijms241512261
PMID:37569636
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10418447/
Abstract

(chia) is a highly nutritious food source and has gained popularity due to its high omega-3 fatty acid content. Red spider mites are a serious problem in the production of . However, no study has been conducted to analyze the defensive response to the infestation of red spider mites in . To elucidate the molecular mechanisms of the defensive response of to red spider mites, we performed a transcriptomic analysis of when infested by red spider mites. In the comparative assessment of leaf transcriptomes, a total of 1743 differentially expressed genes (DEGs) were identified between control and mite-infested . From these, 1208 (69%) transcripts were upregulated and 535 (31%) were downregulated. The DEGs included transcription factors, defense hormones, and secondary metabolites that were either suppressed or activated in response to spider mite herbivory. Gene Ontology (GO) enrichment analysis revealed that plant secondary metabolites, such as glucosinolates, and signaling pathways, including the jasmonic acid signaling pathway, may play an important role in the defense against red spider mites. This study provides novel insights into the defense response of to insect herbivory and could be a resource for the improvement of pest resistance in the chia.

摘要

奇亚是一种营养丰富的食物来源，由于其高含量的欧米伽-3 脂肪酸而受到欢迎。红蜘蛛是奇亚生产中的一个严重问题。然而，目前还没有研究分析奇亚对红蜘蛛侵害的防御反应。为了阐明奇亚对红蜘蛛侵害的防御反应的分子机制，我们对红蜘蛛侵害的奇亚叶片进行了转录组分析。在叶片转录组的比较评估中，共鉴定出对照和螨侵害的奇亚之间的 1743 个差异表达基因（DEGs）。其中，1208 个（69%）转录物上调，535 个（31%）转录物下调。DEGs 包括转录因子、防御激素和次级代谢物，它们在受到蜘蛛螨取食时被抑制或激活。基因本体论（GO）富集分析表明，植物次级代谢物，如硫代葡萄糖苷，以及信号通路，包括茉莉酸信号通路，可能在抵御红蜘蛛方面发挥重要作用。本研究为奇亚对昆虫取食的防御反应提供了新的见解，并可为提高奇亚的抗虫性提供资源。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a085/10418447/198d48ee73b1/ijms-24-12261-g008.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a085/10418447/c8b3e11f31a0/ijms-24-12261-g005.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a085/10418447/198d48ee73b1/ijms-24-12261-g008.jpg

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本文引用的文献

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Plant Responses to Herbivory, Wounding, and Infection.植物对草食、创伤和感染的反应。
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A chromosome-level genome assembly of chia provides insights into high omega-3 content and coat color variation of its seeds.一份关于奇亚的染色体水平基因组组装，为其种子的高欧米伽-3 含量和种皮颜色变异提供了深入了解。
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