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miR-125-3p 和 miR-276b-3p 通过靶向 调控 的精子发生。

miR-125-3p and miR-276b-3p Regulate the Spermatogenesis of by Targeting the .

机构信息

Key Laboratory of Horticultural Plant Biology (MOE), China-Australia Joint Research Centre for Horticultural and Urban Pests, Institute of Urban and Horticultural Entomology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.

Department of Environmental Sciences, Kohsar University Murree, Murree 47150, Pakistan.

出版信息

Genes (Basel). 2022 Oct 15;13(10):1861. doi: 10.3390/genes13101861.

Abstract

is considered a major threat to horticultural crops. It has evolved resistance against insecticides. It is believed that development of new methods is highly desirable to control this destructive agricultural pest. Sterile insect technique is emerging as a potential tool to control this insect pest by reducing their reproductive ability. Here we report that has high expression in the testis of which is the target of miR-125-3p and miR-276b-3p and plays a critical role in the spermatogenesis. Dual luciferase reporter assay using HEKT293 cells demonstrates that gene is downregulated by miR-125-3p and miR-276b-3p and is a common target of these miRNAs. Dietary treatment of adult male flies separately and in combination of agomir-125-3p (Ago-125-3p) and agomir-276b-3p (Ago-276b-3p) significantly downregulated the mRNA of . The combined treatments of agomirs suppressed the level of mRNA of significantly more than any single treatment. Altered expression of miR-125-3p and miR-276b-3p significantly decreased the total and live spermatozoa in the testis which ultimately caused reduction in male fertility. Furthermore, we demonstrate that miR-125-3p, miR-276b-3p, and dsRNA are the novel agents that could be used in a genetic-based sterile insect technique (SIT) to control the .

摘要

被认为是园艺作物的主要威胁。它已经对杀虫剂产生了抗药性。人们相信,开发新的方法来控制这种具有破坏性的农业害虫是非常可取的。不育昆虫技术正成为一种通过降低其生殖能力来控制这种昆虫害虫的潜在工具。在这里,我们报告说在 的睾丸中高表达, 是 miR-125-3p 和 miR-276b-3p 的靶标,在精子发生中起着关键作用。使用 HEKT293 细胞的双荧光素酶报告基因测定表明, 基因受 miR-125-3p 和 miR-276b-3p 的下调,并且是这些 miRNA 的共同靶标。分别用成年雄性果蝇和 agomir-125-3p(Ago-125-3p)和 agomir-276b-3p(Ago-276b-3p)的饮食处理显著下调了 的 mRNA。联合处理 agomirs 显著抑制 的 mRNA 水平,明显高于任何单一处理。miR-125-3p 和 miR-276b-3p 的表达改变显著减少了睾丸中的总活精子数,最终导致雄性生育力下降。此外,我们证明 miR-125-3p、miR-276b-3p 和 dsRNA 是可用于遗传不育昆虫技术(SIT)的新型制剂,可用于控制 。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3138/9601815/38211d544140/genes-13-01861-g003.jpg

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