データ駆動型RNA表現型型決定法は、遺伝的に調節されたトランスクリプトームの次元を捉える
bioRxiv : the preprint server for biology
|February 27, 2026
まとめ
新しいRNA表現型型決定フレームワークであるLaDDRは、完全な遺伝子アノテーションなしでトランスクリゲノムデータを分析することにより、複雑な形質との遺伝的関連の発見を強化します。この方法は、既存のパイプラインで見逃されている調節バリエーションの同定を大幅に増加させます。
背景:
- 転写型多様性はRNA調節によって形成され、遺伝的関連(xQTL)のマッピングとゲノムワイド関連研究(GWAS)の解釈に不可欠です。
- Pantryのような既存のマルチモーダルフレームワークは、さまざまなRNAデータを統合しますが、完全な遺伝子アノテーションが必要であり、統計的複雑性に直面しています。
- 現在のツールにおける限界は、複雑な形質に影響を与える調節バリエーションの包括的な発見を妨げています。
結論:
- LaDDRは、現在のパイプラインで見逃されている調節バリエーションを効率的に捉えることにより、遺伝的関連の発見を大幅に拡大します。
- このフレームワークは、xQTL発見とGWAS解釈のための強力でアノテーションに依存しないアプローチを提供します。
- LaDDRは、複雑な形質の遺伝学への新たな洞察を提供する、形質関連転写調節の検出可能な範囲を広げます。
キーワード:
RNA phenotypingxQTL discoveryGWAS interpretationtranscriptomecomplex traitsregulatory variationgene annotationLaDDRPantryGTExTWASさらに関連する動画
12:54Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation
Published on: March 7, 2018
14.1K
03:37Author Spotlight: Impact of Intergenic Interactions on Disease-Identifying Dark Biomarkers
Published on: March 1, 2024
1.4K
関連する概念動画
RNA-seq
12.2K
RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases.
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
12.2K
Ribosome Profiling
4.2K
Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
4.2K
Regulation of Expression at Multiple Steps
1.5K
The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
1.5K
Regulation of Expression Occurs at Multiple Steps
26.7K
Gene expression can be regulated at almost every step from gene to protein. Transcription is the step that is most commonly regulated. This involves the binding of proteins to short regulatory sequences on the DNA. This association can either promote or inhibit the transcription of a gene associated with the respective sequence.
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
26.7K
Translational Regulation
723
Translational regulation in prokaryotes ensures efficient protein synthesis by controlling ribosome access to mRNA. This regulation is mediated by secondary RNA structures, including translational riboswitches, RNA thermometers, and small RNAs (sRNAs), which respond to intracellular and environmental signals to modulate gene expression.Translational RiboswitchesRiboswitches in the leader region of mRNAs can regulate translation by altering the accessibility of the Shine-Dalgarno (SD) sequence,...
723
