Transcriptome Analysis of Chinese Chestnut (Castanea mollissima Blume) in Response to Dryocosmus kuriphilus Yasumatsu Infestation
Transcriptome Analysis of Chinese Chestnut (Castanea mollissima Blume) in Response to Dryocosmus kuriphilus Yasumatsu Infestation
复制标题
板栗 (Castanea mollissima Blume) 对 Dryocosmus kuriphilus Yasumatsu 侵染反应的转录组分析
DOI：
10.3390/ijms20040855
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发表时间：
2019-02
期刊：
影响因子：
--
通讯作者：
Guomin Geng
中科院分区：
文献类型：
--
作者：
Cancan Zhu;Fenghou Shi;Yu Chen;Min Wang;Yuqiang Zhao;Guomin Geng
栗瘿蜂（Dryocosmus kuriphilus Yasangsu）是板栗（Castanea mollissima Blume）的重要害虫之一，可引起板栗虫瘿的发生和产量损失。利用基因组学方法防治瘿蜂的研究报道较少。我们使用RNA-seq来研究板栗物种（C。mollissima B.）在D.库利菲勒斯在数据库中通过BLAST共注释了21，306个基因。不同胆囊形成阶段之间的转录组比较揭示了与对照相比差异表达的许多基因。其中，2410、7373、6294和9412个基因分别在四个胆囊形成阶段（起始阶段（A）、早期生长阶段（B）、晚期生长阶段（C）和成熟阶段（D））中差异表达。注释分析表明，许多代谢过程（例如，苯丙烷类生物合成、次生代谢、植物-病原菌互作）受到影响。有趣的基因编码的信号转导，应激反应和转录因子的推定组件也差异调节。这些基因可能在D.栗瘿形成这些新的数据的机制，通过D。栗栗瘿螨侵染板栗有助于提高板栗的抗性。
Chinese chestnut (Castanea mollissima Blume) can be infested by Dryocosmus kuriphilus Yasumatsu, resulting in gall formation and yield losses. Research on the control of gall wasps using genomics approaches is rarely reported. We used RNA-seq to investigate the dynamic changes in the genes of a chestnut species (C. mollissima B.) during four gall-formation stages caused by D. kuriphilus. A total of 21,306 genes were annotated by BLAST in databases. Transcriptome comparison between different gall-formation stages revealed many genes that were differentially expressed compared to the control. Among these, 2410, 7373, 6294, and 9412 genes were differentially expressed in four gall-formation stages: initiation stage (A), early growth stage (B), late growth stage (C), and maturation stage (D), respectively. Annotation analysis indicated that many metabolic processes (e.g., phenylpropanoid biosynthesis, secondary metabolism, plant–pathogen interaction) were affected. Interesting genes encoding putative components of signal transduction, stress response, and transcription factors were also differentially regulated. These genes might play important roles in response to D. kuriphilus gall formation. These new data on the mechanism by which D. kuriphilus infests chestnuts could help improve chestnut resistance.
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