Regulation of Retrotransposons in Drosophila melanogaster Somatic Tissues

IF 1.2 4区 生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY Molecular Biology Pub Date : 2024-03-07 DOI:10.1134/s0026893324010096
P. A. Milyaeva, I. V. Kukushkina, A. R. Lavrenov, I. V. Kuzmin, A. I. Kim, L. N. Nefedova
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Abstract—Regulation of retrotransposon activity in somatic tissues is a complex mechanism that has still not been studied in detail. It is strongly believed that siRNA interference is main mechanism of retrotransposon activity regulation outside the gonads, but recently was demonstrated that piRNA interference participates in retrotransposon repression during somatic tissue development. In this work, using RT-PCR, we demonstrated that during ontogenesis piRNA interference determinates retrotransposon expression level on imago stage and retrotransposons demonstrate tissue-specific expression. The major factor of retrotransposon tissue-specific expression is presence of transcription factor binding sites in their regulatory regions.

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黑腹果蝇体细胞组织中逆转录转座子的调控
摘要-体细胞组织中逆转录转座子活性的调控是一个复杂的机制,至今尚未得到详细研究。一般认为,siRNA 干扰是性腺外逆转录转座子活性调控的主要机制,但最近的研究表明,piRNA 干扰参与了体细胞组织发育过程中逆转录转座子的抑制。在这项工作中,我们利用 RT-PCR 技术证明,在本体发育过程中,piRNA 干扰决定了逆转录座子在成体阶段的表达水平,并且逆转录座子表现出组织特异性表达。逆转录转座子组织特异性表达的主要因素是其调控区存在转录因子结合位点。
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来源期刊
Molecular Biology
Molecular Biology 生物-生化与分子生物学
CiteScore
1.30
自引率
8.30%
发文量
78
审稿时长
3 months
期刊介绍: Molecular Biology is an international peer reviewed journal that covers a wide scope of problems in molecular, cell and computational biology including genomics, proteomics, bioinformatics, molecular virology and immunology, molecular development biology, molecular evolution and related areals. Molecular Biology publishes reviews, experimental and theoretical works. Every year, the journal publishes special issues devoted to most rapidly developing branches of physical-chemical biology and to the most outstanding scientists.
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