转座元件在肝包虫整个生命周期中的表达

IF 3.6 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY
Elizaveta K Skalon, Nick Panyushev, Olga I. Podgornaya, Anastasia R. Smolyaninova, A. Solovyeva
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引用次数: 0

摘要

背景:可转座元件(TE)是真核生物基因组的主要组成部分。大量证据表明,尽管转座子曾被认为是 "基因组寄生虫",但转座子及其转录物具有特定的功能,如调控早期胚胎发育。了解转座子在吸虫等寄生虫中的作用变得至关重要。肝吸虫(Fasciola hepatica)是一种影响人类和家畜的寄生虫,在不同的环境和宿主中经历复杂的生命周期,迄今为止有关其生命周期调控的知识还很少。研究方法我们总结了有关肝包虫重复性元件的数据,并对其生命周期的各个阶段进行了大量 RNA-seq 分析。对 TE 的表达谱进行了分析,重点关注差异表达以及与之前描述的长非编码 RNA(lncRNA)的潜在同源性。结果差异表达分析揭示了特定阶段的 TE 转录模式,尤其是在卵和蜕皮虫阶段达到高峰。一些 TE 与已知的 lncRNA 存在同源性,并含有潜在的转录因子结合位点。有趣的是,与成虫相比,卵和蜕皮虫的TE转录水平最高,这表明TE在吸虫生命周期转换中起着调控作用。结论这些研究结果表明,TEs 可能在调控吸虫生命周期的转换中发挥作用。此外,TE与lncRNAs的同源性强调了它们在基因调控中的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Expression of Transposable Elements throughout the Fasciola hepatica Trematode Life Cycle
Background: Transposable elements (TEs) are major components of eukaryotic genomes. The extensive body of evidence suggests that although they were once considered “genomic parasites”, transposons and their transcripts perform specific functions, such as regulation of early embryo development. Understanding the role of TEs in such parasites as trematodes is becoming critically important. Fasciola hepatica, a parasite affecting humans and livestock, undergoes a complex life cycle in diverse environments and hosts, and knowledge about its life cycle regulation is scarce so far. Methods: We summarized the data regarding the repetitive elements in F. hepatica and conducted bulk RNA-seq analysis across its life cycle stages. TE expression profiles were analyzed, focusing on differential expression and potential homology with previously described long non-coding RNAs (lncRNAs). Results: Differential expression analysis revealed stage-specific TE transcription patterns, notably peaking during egg and metacercariae stages. Some TEs showed homology with known lncRNAs and contained putative transcription factor binding sites. Interestingly, TE transcription levels were highest in eggs and metacercariae compared to adults, suggesting regulatory roles in trematode life cycle transitions. Conclusions: These findings suggest that TEs may play roles in regulating trematode life cycle transitions. Moreover, TE homology with lncRNAs underscores their significance in gene regulation.
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来源期刊
Non-Coding RNA
Non-Coding RNA Biochemistry, Genetics and Molecular Biology-Genetics
CiteScore
6.70
自引率
4.70%
发文量
74
审稿时长
10 weeks
期刊介绍: Functional studies dealing with identification, structure-function relationships or biological activity of: small regulatory RNAs (miRNAs, siRNAs and piRNAs) associated with the RNA interference pathway small nuclear RNAs, small nucleolar and tRNAs derived small RNAs other types of small RNAs, such as those associated with splice junctions and transcription start sites long non-coding RNAs, including antisense RNAs, long ''intergenic'' RNAs, intronic RNAs and ''enhancer'' RNAs other classes of RNAs such as vault RNAs, scaRNAs, circular RNAs, 7SL RNAs, telomeric and centromeric RNAs regulatory functions of mRNAs and UTR-derived RNAs catalytic and allosteric (riboswitch) RNAs viral, transposon and repeat-derived RNAs bacterial regulatory RNAs, including CRISPR RNAS Analysis of RNA processing, RNA binding proteins, RNA signaling and RNA interaction pathways: DICER AGO, PIWI and PIWI-like proteins other classes of RNA binding and RNA transport proteins RNA interactions with chromatin-modifying complexes RNA interactions with DNA and other RNAs the role of RNA in the formation and function of specialized subnuclear organelles and other aspects of cell biology intercellular and intergenerational RNA signaling RNA processing structure-function relationships in RNA complexes RNA analyses, informatics, tools and technologies: transcriptomic analyses and technologies development of tools and technologies for RNA biology and therapeutics Translational studies involving long and short non-coding RNAs: identification of biomarkers development of new therapies involving microRNAs and other ncRNAs clinical studies involving microRNAs and other ncRNAs.
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