一个巨大的蛋白质基因组屏幕识别了来自人类"黑暗"蛋白质组的数千种新
Xiaolong Cao1, Siqi Sun2, Jinchuan Xing2
1Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Department of Genetics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA; Human Genetic Institute of New Jersey, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.
Molecular & cellular proteomics : MCP
|January 19, 2024
概括
研究人员使用质谱学数据和遗传变异从"黑暗蛋白质组"鉴定出新的人类蛋白质. 这一发现扩大了我们对编码基因的理解,并有助于在生物医学研究中解释基因组数据.
科学领域:
- 基因组学就是基因组学.
- 蛋白质组学是指蛋白质组学.
- 分子生物学分子生物学
背景情况:
- 人类基因组包含一个"暗色蛋白质组"的未注释的蛋白质,对生物功能至关重要.
- 现有的基因目录是不完整的,需要探索新的蛋白质编码基因.
研究的目的:
- 通过蛋白质学证据,从黑暗蛋白质组中识别高可信度的新型蛋白质.
- 创建一个全面的新的资源,并促进他们的可访问性研究人员.
主要方法:
- 从900多个项目中选了5万个质谱运行.
- 从gnomAD数据库中整合了380万个常见的遗传变异.
- 利用基因型-组织表达 (GTEx) 转录模型进行标识.
主要成果:
- 通过蛋白质学证据识别了170,529种新.
- 使用PepQuery标准验证了6048个高可信度的新.
- 开发了一个用户友好的网站 (https://ncorf.genes.fun/) 来访问新数据.
结论:
- 这项研究显著扩大了已知的人类蛋白质目录,特别是来自黑暗蛋白质组的蛋白质.
- 为新型提供了有价值的蛋白质学证据,增强了基因组数据的解释.
- 通过为新型蛋白质发现提供全面的资源,促进未来的生物医学研究.
相关概念视频
Peptide Identification Using Tandem Mass Spectrometry
6.5K
Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
6.5K
Proteomics
7.3K
A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
7.3K


