彭鹏, 唐莹莹, 覃昱茗, 杨世安, 黄国弟, 李日旺, 罗世杏, 陈永森. 2024: 芒果点斑螟不同发育阶段转录组及保幼激素和蜕皮激素相关基因分析. 南方农业学报, 55(3): 710-720. DOI: 10.3969/j.issn.2095-1191.2024.03.012
引用本文: 彭鹏, 唐莹莹, 覃昱茗, 杨世安, 黄国弟, 李日旺, 罗世杏, 陈永森. 2024: 芒果点斑螟不同发育阶段转录组及保幼激素和蜕皮激素相关基因分析. 南方农业学报, 55(3): 710-720. DOI: 10.3969/j.issn.2095-1191.2024.03.012
PENG Peng, TANG Ying-ying, QIN Yu-ming, YANG Shi-an, HUANG Guo-di, LI Ri-wang, LUO Shi-xing, CHEN Yong-sen. 2024: Transcriptome analysis and juvenile hormone and ecdysone related genes of Citripestis eutraphera at different developmental stages. Journal of Southern Agriculture, 55(3): 710-720. DOI: 10.3969/j.issn.2095-1191.2024.03.012
Citation: PENG Peng, TANG Ying-ying, QIN Yu-ming, YANG Shi-an, HUANG Guo-di, LI Ri-wang, LUO Shi-xing, CHEN Yong-sen. 2024: Transcriptome analysis and juvenile hormone and ecdysone related genes of Citripestis eutraphera at different developmental stages. Journal of Southern Agriculture, 55(3): 710-720. DOI: 10.3969/j.issn.2095-1191.2024.03.012

芒果点斑螟不同发育阶段转录组及保幼激素和蜕皮激素相关基因分析

Transcriptome analysis and juvenile hormone and ecdysone related genes of Citripestis eutraphera at different developmental stages

  • 摘要: 【目的】探明芒果点斑螟(Citripestis eutraphera)不同发育阶段的转录组差异,挖掘保幼激素(JH)和蜕皮激素(Ecd)合成等生长发育相关基因,为芒果点斑螟特异性防治和研发环保型生长调节类杀虫剂打下基础。【方法】利用高通量测序技术对芒果点斑螟幼虫、蛹和成虫进行转录组测序、数据组装、功能注释和比较分析,筛选出JH和Ecd合成相关基因,并通过实时荧光定量PCR进行验证。【结果】芒果点斑螟幼虫、蛹和成虫3个阶段共组装得到254154条Unigenes。幼虫与蛹阶段比较筛选出10688个差异表达基因(DEGs),幼虫与成虫阶段比较筛选出10041个DEGs,蛹与成虫阶段比较筛选出12896个DEGs;将DEGs进行Nr数据库比对,结果显示与脐橙螟蛾(Amyelois transitella)的序列相似度最高;进行GO功能注释分析,共注释到61266条Unigenes,各发育阶段芒果点斑螟的DEGs多富集在细胞结构体、细胞过程、催化活性和结合等过程;在KEGG数据库中共有14731条Unigenes得到注释,涉及147个代谢通路,DEGs富集在代谢过程、核糖体和氧化磷酸化过程等通路的数目较多,筛选出49条Unigenes涉及JH和Ecd合成相关基因,对DIB、JHAMT、FPPP、ALDH-1ALDH-2等5个DEGs进行实时荧光定量PCR分析,结果ALDH-1、ALDH-2DIBDIB在蛹期高表达,且相对表达量显著高于其他时期(P<0.05,下同),FPPPJHAMT在幼虫期低表达且相对表达量显著低于其他时期。【结论】基于转录组分析获得不同发育阶段芒果点斑螟的DEGs多富集在细胞结构体、细胞过程、催化活性和结合等过程,且主要富集在代谢相关通路中;筛选出49条与JH和Ecd合成相关的基因,DIB、JHAMT、FPPP、ALDH-1和ALDH-2等基因在芒果点斑螟不同发育阶段表达差异显著,可能在芒果点斑螟生长发育中发挥重要作用。

     

    Abstract: 【Objective】To explore the transcriptome differences of Citripestis eutraphera at different developmental stages, and to explore the growth and development related genes such as juvenile hormone(JH) and ecdysone(Ecd), so as to lay a foundation for the development of the specific prevention and control of C. eutraphera and the development of environmentally friendly growth regulation insecticides. 【Method】High-throughput sequencing technology was used to perform transcriptome sequencing, data assembly, functional annotation and comparative analysis on the larvae, pupae and adults of C. eutraphera. The genes related to JH and Ecd synthesis were screened and verified by real-time fluorescence quantitative PCR. 【Result】The results showed that a total of 254154 unigenes were obtained in the three stages of larvae, pupae and adults. A total of 10688 differentially expressed genes(DEGs) were identified by comparing the larval and pupal stages, and 10041 DEGs were screened by comparing the larval and adult stages. A total of 12896 DEGs were screened out from pupae and adults. The DEGs were compared with Nr database, and the results showed that the sequence similarity with the Amyelois transitella was the highest. GO functional annotation analysis was performed, and a total of 9786 Unigenes were annotated. The DEGs of C. eutraphera at different developmental stages were mostly enriched in cellular structure, cellular process, catalytic activity and binding. There were a total of 14731 unigenes being annotated in the KEGG database, involving 147 metabolism pathways, and most of them were enriched in metabolic pathways and ribosomes, oxidative phosphorylation processes. A total of 49 unigenes related to JH and Ecd synthesis were screened, of which DIB, JHAMT, FPPP, ALDH-1 and ALDH-2 DEGs were analyzed by real-time fluorescence quantitative analysis. ALDH-1,ALDH-2 and DIB expressed highly pupae stage,and the relative expression waw significantly higher than other stages(P<0.05,the same below),FPPP and JHAMT expression was low at larvae stage,and the relative expression was significantly lower than other stages. 【Conclusion】Based on transcriptome analysis, the DEGs of C. eutraphera at various developmental stages are mainly enrich in cellular structure, cellular process, and catalytic activity, with a predominant enrichment to metabolism-related pathways. A total of 49 genes related to JH and Ecd synthesis are screened out. The expression of DIB, JHAMT, FPPP, ALDH-1 and ALDH-2 genes displays significant variations across different developmental stages of C. eutraphera and potentially exert crucial roles in the growth and development of C. eutraphera.

     

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