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Ovary-Specific Transcriptome and Essential Role of Nanos in Ovary Development in the Oriental Fruit Fly (Diptera: Tephritidae)
Journal of Economic Entomology ( IF 2.2 ) Pub Date : 2021-01-08 , DOI: 10.1093/jee/toab004
Qiu-Li Hou 1, 2 , Er-Hu Chen 3 , Yi-Fei Xie 1 , Wei Dou 1 , Jin-Jun Wang 1
Affiliation  

We used transcriptome analysis to research ovary development in Bactrocera dorsalis (Hendel). The ovary transcriptome of B. dorsalis yielded 66,463,710 clean reads that were assembled into 23,822 unigenes. After aligning to the Nr database in NCBI, 15,473 (64.95%) of the unigenes were matched to identified proteins. As determined by BLAST search, 11,043 (46.36%), 6,102 (25.61%), and 12,603 (52.90%) unigenes were each allocated to clusters via gene ontology, orthologous groups, and SwissProt, respectively. The Kyoto encyclopedia database of genes and genomes (KEGG) was further used to annotate these sequences, and 11,068 unigenes were mapped to 255 known pathways. Afterward, the genes that were possibly involved in oogenesis and ovary development were obtained from the transcriptome data and analyzed. Interestingly, seven ovary-specific genes were identified, including a Nanos gene that is involved in maintaining the primordial germ cells in many insects. Therefore, we further focused on the function of the BdNanos gene, and the gene was injected into B. dorsalis. As expected, the knocking down of Nanos gene expression led to significant inhibition of ovary development, suggesting an important role of this gene in the reproductive process of B. dorsalis. In summary, the present study provides an important reference for identifying the molecular mechanisms of oogenesis and ovary development in B. dorsalis. The BdNanos gene is crucial for ovary development in B. dorsalis and is therefore a potential new pest control target.

中文翻译:

卵巢特异性转录组和纳米在东方果蝇卵巢发育中的重要作用(双翅目:实蝇科)

我们使用转录组分析来研究 Bactrocera dorsalis (Hendel) 的卵巢发育。B. dorsalis 的卵巢转录组产生了 66,463,710 个干净的读数,这些读数被组装成 23,822 个 unigenes。在与 NCBI 中的 Nr 数据库对齐后,有 15,473 个(64.95%)的 unigenes 与已识别的蛋白质匹配。通过 BLAST 搜索确定,分别通过基因本体、直系同源组和 SwissProt 将 11,043 (46.36%)、6,102 (25.61%) 和 12,603 (52.90%) 个 unigenes 分配到集群中。京都基因和基因组百科全书数据库 (KEGG) 被进一步用于注释这些序列,并将 11,068 个 unigenes 映射到 255 个已知途径。之后,从转录组数据中获得可能参与卵子发生和卵巢发育的基因并进行分析。有趣的是,鉴定了七个卵巢特异性基因,包括参与维持许多昆虫的原始生殖细胞的 Nanos 基因。因此,我们进一步关注BdNanos基因的功能,并将该基因注入B. dorsalis。正如预期的那样,Nanos 基因表达的敲低导致卵巢发育的显着抑制,表明该基因在 B. dorsalis 生殖过程中的重要作用。综上所述,本研究为确定桔小球藻卵子发生和卵巢发育的分子机制提供了重要参考。BdNanos 基因对 B. dorsalis 的卵巢发育至关重要,因此是潜在的新害虫防治目标。我们进一步关注 BdNanos 基因的功能,并将该基因注射到 B. dorsalis 中。正如预期的那样,Nanos 基因表达的敲低导致卵巢发育的显着抑制,表明该基因在 B. dorsalis 生殖过程中的重要作用。综上所述,本研究为确定桔小球藻卵子发生和卵巢发育的分子机制提供了重要参考。BdNanos 基因对 B. dorsalis 的卵巢发育至关重要,因此是潜在的新害虫防治目标。我们进一步关注 BdNanos 基因的功能,并将该基因注射到 B. dorsalis 中。正如预期的那样,Nanos 基因表达的敲低导致卵巢发育的显着抑制,表明该基因在 B. dorsalis 生殖过程中的重要作用。综上所述,本研究为确定桔小球藻卵子发生和卵巢发育的分子机制提供了重要参考。BdNanos 基因对 B. dorsalis 的卵巢发育至关重要,因此是潜在的新害虫防治目标。本研究为确定桔小球藻卵子发生和卵巢发育的分子机制提供了重要参考。BdNanos 基因对 B. dorsalis 的卵巢发育至关重要,因此是潜在的新害虫防治目标。本研究为确定桔小球藻卵子发生和卵巢发育的分子机制提供了重要参考。BdNanos 基因对 B. dorsalis 的卵巢发育至关重要,因此是潜在的新害虫防治目标。
更新日期:2021-01-08
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