{"title":"Genetic factors mediating long-range enhancer-promoter communication in mammalian development.","authors":"Grace Bower, Evgeny Z Kvon","doi":"10.1016/j.gde.2024.102282","DOIUrl":null,"url":null,"abstract":"<p><p>Enhancers are remotely located noncoding DNA sequences that regulate gene expression in response to developmental, homeostatic, and environmental cues. Canonical short-range enhancers located <50 kb from their cognate promoters function by binding transcription factors, coactivators, and chromatin modifiers. In this review, we discuss recent evidence that medium-range (50-400 kb) and long-range (>400 kb) enhancers rely on additional mechanisms, including cohesin, CCCTC-binding factor, and high-affinity protein-protein interactions. These mechanisms are crucial for establishing the physical proximity and interaction between enhancers and their target promoters over extended genomic distances and ensuring robust gene activation during mammalian development. Future studies will be critical to unravel their prevalence and evolutionary significance across various genomic loci, cell types, and species.</p>","PeriodicalId":50606,"journal":{"name":"Current Opinion in Genetics & Development","volume":"90 ","pages":"102282"},"PeriodicalIF":3.7000,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current Opinion in Genetics & Development","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1016/j.gde.2024.102282","RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CELL BIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Enhancers are remotely located noncoding DNA sequences that regulate gene expression in response to developmental, homeostatic, and environmental cues. Canonical short-range enhancers located <50 kb from their cognate promoters function by binding transcription factors, coactivators, and chromatin modifiers. In this review, we discuss recent evidence that medium-range (50-400 kb) and long-range (>400 kb) enhancers rely on additional mechanisms, including cohesin, CCCTC-binding factor, and high-affinity protein-protein interactions. These mechanisms are crucial for establishing the physical proximity and interaction between enhancers and their target promoters over extended genomic distances and ensuring robust gene activation during mammalian development. Future studies will be critical to unravel their prevalence and evolutionary significance across various genomic loci, cell types, and species.
期刊介绍：
Current Opinion in Genetics and Development aims to stimulate scientifically grounded, interdisciplinary, multi-scale debate and exchange of ideas. It contains polished, concise and timely reviews and opinions, with particular emphasis on those articles published in the past two years. In addition to describing recent trends, the authors are encouraged to give their subjective opinion of the topics discussed.
In Current Opinion in Genetics and Development we help the reader by providing in a systematic manner:
1. The views of experts on current advances in their field in a clear and readable form.
2. Evaluations of the most interesting papers, annotated by experts, from the great wealth of original publications.[...]
The subject of Genetics and Development is divided into six themed sections, each of which is reviewed once a year:
• Cancer Genomics
• Genome Architecture and Expression
• Molecular and genetic basis of disease
• Developmental mechanisms, patterning and evolution
• Cell reprogramming, regeneration and repair
• Genetics of Human Origin / Evolutionary genetics (alternate years)
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