Repetitive DNAs: the ‘invisible’ regulators of insect adaptation and speciation

IF 5.8 1区农林科学 Q1 BIOLOGY

Current opinion in insect science Pub Date : 2024-11-07 DOI:10.1016/j.cois.2024.101295

Diogo C Cabral-de-Mello , Octavio M Palacios-Gimenez

引用次数: 0

Abstract

Like other eukaryotes, insect genomes contain a large portion of repetitive sequences, particularly transposable elements and satellite DNAs. This review highlights key studies on repetitive DNAs and examines their structural, functional, and evolutionary impact on insect genomes. Repetitive sequences promote genetic diversification through mutations and large-scale rearrangements, playing a crucial role in shaping genomic architecture, aiding organismal adaptation, and driving speciation. We also explore the influence of repeats in genome size variation and species incompatibilities, along with their contribution to adaptive phenotypes and gene regulation. Studying repetitive DNA in insects not only provides insights into basic genomic features but also offers valuable information for conservation strategies, pest control, and advancements in genetics, ecology, and evolutionary biology.

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重复 DNA：昆虫适应和物种变异的 "隐形 "调节器。

与其他真核生物一样，昆虫基因组也含有大量重复序列，尤其是转座元件（TE）和卫星 DNA（satDNA）。这篇综述重点介绍了有关重复 DNA 的主要研究，并探讨了它们在昆虫基因组中的结构、功能和进化影响。重复序列通过突变和大规模重排促进基因多样化，在塑造基因组结构、帮助生物适应和推动物种分化方面发挥着至关重要的作用。我们还探索了重复序列对基因组大小变异和物种不相容性的影响，以及它们对适应性表型和基因调控的贡献。研究昆虫的重复 DNA 不仅能深入了解基本的基因组特征，还能为保护策略、害虫控制以及遗传学、生态学和进化生物学的发展提供有价值的信息。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Current opinion in insect science BIOLOGYECOLOGYENTOMOLOGY-ECOLOGY

CiteScore

10.40

自引率

1.90%

发文量

113

期刊介绍： Current Opinion in Insect Science is a new systematic review journal that aims to provide specialists with a unique and educational platform to keep up–to–date with the expanding volume of information published in the field of Insect Science. As this is such a broad discipline, we have determined themed sections each of which is reviewed once a year. The following 11 areas are covered by Current Opinion in Insect Science. -Ecology -Insect genomics -Global Change Biology -Molecular Physiology (Including Immunity) -Pests and Resistance -Parasites, Parasitoids and Biological Control -Behavioural Ecology -Development and Regulation -Social Insects -Neuroscience -Vectors and Medical and Veterinary Entomology There is also a section that changes every year to reflect hot topics in the field. Section Editors, who are major authorities in their area, are appointed by the Editors of the journal. They divide their section into a number of topics, ensuring that the field is comprehensively covered and that all issues of current importance are emphasized. Section Editors commission articles from leading scientists on each topic that they have selected and the commissioned authors write short review articles in which they present recent developments in their subject, emphasizing the aspects that, in their opinion, are most important. In addition, they provide short annotations to the papers that they consider to be most interesting from all those published in their topic over the previous year.