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首页> 美国卫生研究院文献>Frontiers in Plant Science >Transcriptome analysis of Phoenix canariensis Chabaud in response to Rhynchophorus ferrugineus Olivier attacks
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Transcriptome analysis of Phoenix canariensis Chabaud in response to Rhynchophorus ferrugineus Olivier attacks

机译：凤凰加那利群岛Chabaud响应Rhynchophorus ferrugineus Olivier攻击的转录组分析

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Red Palm Weevil (RPW, Rhynchophorus ferrugineus Olivier) threatens most palm species worldwide. Until now, no studies have analyzed the gene regulatory networks of Phoenix canariensis (Chabaud) in response to RPW attacks. The aim of this study was to fill this knowledge gap. Providing this basic knowledge is very important to improve its management.>Results: A deep transcriptome analysis was performed on fully expanded leaves of healthy non-infested trees and attacked trees at two symptom stages (middle and late infestation). A total of 54 genes were significantly regulated during middle stage. Pathway enrichment analysis showed that phenylpropanoid-related pathways were induced at this stage. More than 3300 genes were affected during late stage of attacks. Higher transcript abundances were observed for lipid fatty acid metabolism (fatty acid and glycerolipids), tryptophan metabolism, phenylpropanoid metabolism. Key RPW-modulated genes involved in innate response mediated by hormone crosstalk were observed belonging to auxin, jasmonate and salicylic acid (SA) pathways. Among transcription factors, some WRKYs were clearly induced. qRT-PCR validation confirmed the upregulation of key genes chosen as validation of transcriptomic analysis.>Conclusion: A subset of these genes may be further analyzed in future studies to confirm their specificity to be induced by RPW infestations.
机译：红棕榈象鼻虫（RPW，Rhynchophorus ferrugineus Olivier）威胁全球大多数棕榈树种。到目前为止，还没有研究分析Phoenix canariensis（Chabaud）响应RPW攻击的基因调控网络。这项研究的目的是填补这一知识空白。提供此基础知识对于改善其管理非常重要。>结果：在两个症状阶段（中度和晚期），对健康的未感染树和被感染树的完全展开的叶子进行了深入的转录组分析。 。中间阶段共有54个基因被显着调节。途径富集分析表明，在此阶段诱导了与苯丙烷相关的途径。在攻击后期，超过3300个基因受到了影响。脂类脂肪酸代谢（脂肪酸和甘油脂），色氨酸代谢，苯丙氨酸代谢的转录本丰度更高。观察到与激素串扰介导的先天应答有关的关键RPW调节基因属于生长素，茉莉酸和水杨酸（SA）途径。在转录因子中，明显诱导了一些WRKY。 qRT-PCR验证证实了用于转录组学分析验证的关键基因的上调。>结论：这些基因的一个子集可能会在未来的研究中进一步分析，以确认它们是由RPW感染诱导的特异性。

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