{"title":"De Novo Genes.","authors":"Li Zhao, Nicolas Svetec, David J Begun","doi":"10.1146/annurev-genet-111523-102413","DOIUrl":null,"url":null,"abstract":"<p><p>Although the majority of annotated new genes in a given genome appear to have arisen from duplication-related mechanisms, recent studies have shown that genes can also originate de novo from ancestrally nongenic sequences. Investigating de novo-originated genes offers rich opportunities to understand the origin and functions of new genes, their regulatory mechanisms, and the associated evolutionary processes. Such studies have uncovered unexpected and intriguing facets of gene origination, offering novel perspectives on the complexity of the genome and gene evolution. In this review, we provide an overview of the research progress in this field, highlight recent advancements, identify key technical and conceptual challenges, and underscore critical questions that remain to be addressed.</p>","PeriodicalId":8035,"journal":{"name":"Annual review of genetics","volume":" ","pages":"211-232"},"PeriodicalIF":8.7000,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annual review of genetics","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1146/annurev-genet-111523-102413","RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/11/14 0:00:00","PubModel":"Epub","JCR":"Q1","JCRName":"GENETICS & HEREDITY","Score":null,"Total":0}
引用次数: 0
Abstract
Although the majority of annotated new genes in a given genome appear to have arisen from duplication-related mechanisms, recent studies have shown that genes can also originate de novo from ancestrally nongenic sequences. Investigating de novo-originated genes offers rich opportunities to understand the origin and functions of new genes, their regulatory mechanisms, and the associated evolutionary processes. Such studies have uncovered unexpected and intriguing facets of gene origination, offering novel perspectives on the complexity of the genome and gene evolution. In this review, we provide an overview of the research progress in this field, highlight recent advancements, identify key technical and conceptual challenges, and underscore critical questions that remain to be addressed.
期刊介绍：
The Annual Review of Genetics, published since 1967, comprehensively covers significant advancements in genetics. It encompasses various areas such as biochemical, behavioral, cell, and developmental genetics, evolutionary and population genetics, chromosome structure and transmission, gene function and expression, mutation and repair, genomics, immunogenetics, and other topics related to the genetics of viruses, bacteria, fungi, plants, animals, and humans.
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