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相关概念视频

RNA-seq03:21

RNA-seq

9.9K
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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RNA Splicing01:32

RNA Splicing

56.2K
Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
56.2K
Alternative RNA Splicing02:18

Alternative RNA Splicing

21.0K
Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
21.0K
Pre-mRNA Processing: RNA Splicing01:36

Pre-mRNA Processing: RNA Splicing

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Chromatin Structure and RNA Splicing02:41

Chromatin Structure and RNA Splicing

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Sanger Sequencing01:57

Sanger Sequencing

753.8K
DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
753.8K

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相关实验视频

Updated: Jun 12, 2025

Identification of Alternative Splicing and Polyadenylation in RNA-seq Data
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Identification of Alternative Splicing and Polyadenylation in RNA-seq Data

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诺沃纳布雷克:用于从RNA-Seq数据中检测新型拼接连接和融合转录的本地组合.

Yukun Tan1, Vakul Mohanty1, Shaoheng Liang1

  • 1Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas, 77030, USA.

Journal of bioinformatics and systems biology : Open access
|September 20, 2024
PubMed
概括
此摘要是机器生成的。

在癌症RNA-seq数据中,novoRNABreak准确地检测出新型拼接连接和融合转录. 这种高效的框架利用未映射的读数进行精确的识别,改善癌症特定的转录发现.

关键词:
癌症特定的癌症特定的癌症核聚变成绩单的成绩单地方组装模型小说拼接接口的结合点在新RNABreak中,使用新RNABreak.统一的框架统一的框架

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Using RNA-sequencing to Detect Novel Splice Variants Related to Drug Resistance in In Vitro Cancer Models
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科学领域:

  • 基因组学就是基因组学.
  • 生物信息学是一种生物信息学.
  • 癌症研究 癌症研究

背景情况:

  • RNA测序 (RNA-seq) 对于理解癌症转录组至关重要.
  • 检测新的拼接连接和融合转录是现有方法的挑战.
  • 当前的方法经常与复杂的对齐或未映射的读取作斗争.

研究的目的:

  • 引入novoRNABreak,为癌症特异性新型拼接连接和融合转录检测提供统一的框架.
  • 为分析来自人类癌症样本的RNA-seq数据提供准确而敏感的工具.
  • 为基于对齐和全转录组组装 (WTA) 方法提供一个更有效的替代方案.

主要方法:

  • 开发了一个局部组装模型,平衡基于对齐和de novo WTA 方法.
  • 专注于连接检测,而不是全长的转录组装,以提高效率.
  • 利用未映射的读取和处理多个对齐以提高准确性.

主要成果:

  • 新RNABreak在合成和真实RNA-seq数据 (乳腺癌和前列腺癌) 上表现出卓越的性能.
  • 该工具准确地识别了新的交叉点,特别是那些难以对齐或多个映射可能性的交叉点.
  • 通过专注于连接和利用未映射的读取,有效处理RNA-seq数据.

结论:

  • novoRNABreak是识别癌症特异性新型拼接连接和融合转录的有效工具.
  • 该框架为癌症研究的RNA-seq数据分析提供了更高的准确性和效率.
  • 为了更广泛的科学用途,novoRNABreak 在GitHub上公开提供.