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RNA-seq

RNA-seq

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...

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Updated: Jul 2, 2025

Methodology for Accurate Detection of Mitochondrial DNA Methylation

Methodology for Accurate Detection of Mitochondrial DNA Methylation

Published on: May 20, 2018

一个信号处理和深度学习框架用于甲基化检测使用牛津纳米孔测序.

Mian Umair Ahsan¹, Anagha Gouru^1,2, Joe Chan¹

¹Raymond G. Perelman Center for Cellular and Molecular Therapeutics, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA.

Nature communications

|February 16, 2024

概括

DeepMod2是一个新的开源工具,用于使用纳米孔测序数据准确检测DNA甲基化. 它的性能与现有方法相提并论,并且在各种流电池类型上有效工作.

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Methyl-binding DNA capture Sequencing for Patient Tissues

Methyl-binding DNA capture Sequencing for Patient Tissues

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Targeted DNA Methylation Analysis by Next-generation Sequencing

Targeted DNA Methylation Analysis by Next-generation Sequencing

Published on: February 24, 2015

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Last Updated: Jul 2, 2025

Methodology for Accurate Detection of Mitochondrial DNA Methylation

Methodology for Accurate Detection of Mitochondrial DNA Methylation

Published on: May 20, 2018

Methyl-binding DNA capture Sequencing for Patient Tissues

Methyl-binding DNA capture Sequencing for Patient Tissues

Published on: October 31, 2016

Targeted DNA Methylation Analysis by Next-generation Sequencing

Targeted DNA Methylation Analysis by Next-generation Sequencing

Published on: February 24, 2015

科学领域:

基因组学就是基因组学.
表观遗传学在表观遗传学中,表观遗传学是指表观遗传学.
生物信息学是一种生物信息学.

背景情况:

牛津纳米孔测序从离子电流信号提供直接的DNA甲基化检测.
适应性采样可实现有针对性,减少表现的甲基化测序.
现有的最先进的甲基化检测工具往往是闭源的.

研究的目的:

介绍DeepMod2,一个全面的深度学习框架用于DNA甲基化检测.
使用开源软件从纳米孔测序数据中实现准确的甲基化分析.
提供各种纳米孔流细胞类型和数据格式的高效分析.

主要方法:

开发了DeepMod2,一个使用双向长短期内存 (BiLSTM) 和变压器模型的框架.
从R9和R10流细胞中对POD5和FAST5信号文件进行了分析.
通过模型修剪和推断epihaplotypes/haplotype特定甲基化的推断,实现了高效的CPU分析.

主要成果:

DeepMod2的性能与牛津纳米孔技术公司专有产品Guppy和Dorado的性能相当.
在减少表示和全基因组纳米孔测序之间实现了高相关性 (r=0.96).
在各种数据集和不同的测序场景中验证了性能.

结论:

DeepMod2是一个有效的开源工具,用于DNA甲基化检测.
它为全基因组和自适应纳米孔测序数据提供了快速准确的分析.
该框架支持多种流细胞类型,并提供高级功能,如epihaplotype推断.