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相关概念视频

Genomics02:02

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Genome Annotation and Assembly03:36

Genome Annotation and Assembly

The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...

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相关实验视频

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Pattern-based Search of Epigenomic Data Using GeNemo
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一种基于NLP的方法,从已发表的文章中挖掘基因和功能关系.

Nilesh Kumar1, M Shahid Mukhtar2,3

  • 1Department of Biology, University of Alabama at Birmingham, 3100 East Science Hall, 902 14th Street South, Birmingham, AL, 35294, USA.

Scientific reports
|March 3, 2025
PubMed
概括

我们开发了PATHAK,一种自然语言处理工具,用于从科学论文中识别基因功能. 这种方法准确地将基因与功能联系起来,有助于生物研究.

关键词:
基因功能 基因功能基因本体学是基因的本体学.在NLP中,我们使用了NLP.发表的文章 发表的文章

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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.
  • 计算生物学 计算生物学

背景情况:

  • 了解基因功能对于生物和医学进步至关重要.
  • 生物系统和研究数据的复杂性在识别基因功能关系方面带来了挑战.
  • 现有的方法可能无法有效地从广的科学文献中提取这些信息.

研究的目的:

  • 介绍PATHAK,一种基于自然语言处理 (NLP) 的新方法,用于从科学文章中提取基因功能关系.
  • 为了证明PATHAK在各种科学领域的适应性和适用性.
  • 加速发现基因功能及其在生物过程中的作用.

主要方法:

  • PATHAK使用预训练的Transformer语言模型从科学文档中生成句子嵌入.
  • 它通过比较句子和基因本体学 (GO) 术语嵌入来确定基因和功能注释之间的关联.
  • 该方法应用于超过17,000篇关于*Arabidopsis thaliana*的研究文章.

主要成果:

  • 帕萨克将大约1493个基因本体学 (GO) 术语分配给了10976个基因.
  • 该模型实现了中等至高的预测准确性,与TAIR.上已知的注释相比,GO术语的重叠率为57%.
  • 这包括1271个准确匹配和4826个部分相关的术语,突出其有效性.

结论:

  • 通过有效地挖掘已发表的研究,PATHAK显著提高了对基因功能的理解.
  • 该方法有可能加速植物发育,生长和应激反应以及其他生物系统的发现.
  • 这种基于NLP的方法为功能基因组学研究提供了一个可扩展的解决方案.