减少缺失值 - - 蛋白质组学工作流程的评估,用于 (小) 蛋白质的量化
Jürgen Bartel1, Vaikhari Kale1, Dennis Joshua Pyper2
1Department of Microbial Proteomics, Institute of Microbiology, University of Greifswald, 17489 Greifswald, Germany.
microLife
|January 30, 2026
概括
这项研究改进了Clostridioides difficile中小蛋白质的识别和量化,使用先进的样本制备和质谱数据处理. 这些优化的方法提高了这一重要病原体的蛋白质组数据质量.
科学领域:
- 蛋白质组学是指蛋白质组学.
- 分子生物学分子生物学
- 病原体研究 病原体研究
背景情况:
- 定量蛋白质组数据质量依赖于最小化缺失值.
- 小型蛋白质 (≤100个氨基酸) 在识别和量化方面存在独特的挑战.
- 了解Clostridioides difficile蛋白质对病原体研究至关重要.
研究的目的:
- 系统地评估用于小蛋白质分析的样本准备和MS数据处理方法.
- 改进Clostridioides difficile中小蛋白质的识别和量化.
- 建立一个关于C. difficile.的全面蛋白质组数据集.
主要方法:
- 应用了小型蛋白质丰富技术.
- 质谱 (MS) 数据处理策略得到了优化.
- 用光谱库来识别多发性硬化症的光谱.
主要成果:
- 小型蛋白质丰富显著增加了鉴定和量化蛋白质,包括低丰度的蛋白质.
- 谱图库应用程序增强了可靠的量化,并降低了小蛋白质的检测极限.
- 该研究产生了一个全面的C. difficile蛋白质组数据集,涵盖了84.7%的预测蛋白和61.4%的小蛋白.
结论:
- 优化的样本准备和MS数据处理对于小蛋白质量化有效.
- 这项工作为C. difficile的研究和了解病原体生物学提供了宝贵的资源.
- 开发的方法可用于改进其他复杂蛋白质组中的小蛋白质分析.
关键词:
克洛斯特里迪奥伊德斯困难菌一个SEP是SEP.搜索数据库搜索数据库搜索数据库搜索低分子量蛋白质组蛋白质组质谱测量质谱测量质谱测量质量测量质谱测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量类药物 (peptidomics) 是一种药物.s蛋白质 蛋白质是一种蛋白质.频谱图书馆是一个光谱图书馆.更多相关视频
11:49Quantitative Proteomics Workflow using Multiple Reaction Monitoring Based Detection of Proteins from Human Brain Tissue
Published on: August 28, 2021
5.1K
05:35An Integrated Workflow of Identification and Quantification on FDR Control-Based Untargeted Metabolome
Published on: September 20, 2022
4.2K
相关概念视频
Biodiversity and Human Values
17.1K
Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather patterns and therefore human civilizations.
17.1K
Professional Values
10.7K
Nurses are responsible for caring for patients during birth, death, illness, and healing. Professional values guide the decisions and actions that nurses make in their careers. If nurses know the decisions and actions to take, providing patients with exceptional care is possible.
The values that are the foundation of the nursing profession are altruism, autonomy, human dignity, and social justice.
First, altruism refers to the concern for the welfare and well-being of others without personal...
The values that are the foundation of the nursing profession are altruism, autonomy, human dignity, and social justice.
First, altruism refers to the concern for the welfare and well-being of others without personal...
10.7K
Critical Values
10.3K
A critical value is a definite value obtained from a particular probability distribution at a predecided confidence level (or a predecided significance level) for a given population parameter. The critical value provides demarcation that separates the sample statistics that are likely to occur from the ones that are unlikely to occur based on the given probability distribution and the population parameter to be estimated. The critical value for normal distribution is obtained from the z...
10.3K
z Scores and Unusual Values
11.0K
The z score is one of the three measures of relative standing. It describes the location of a value in a dataset relative to the mean. z scores are obtained after the standardization of the values in a dataset. The z score for the mean is 0.
This score indicates how far a value is from the mean in terms of standard deviation. For example, if a data value has a z score of +1, the researcher can infer that the particular data value is one standard deviation above the mean. If another data...
This score indicates how far a value is from the mean in terms of standard deviation. For example, if a data value has a z score of +1, the researcher can infer that the particular data value is one standard deviation above the mean. If another data...
11.0K
Proteomics
9.7K
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...
9.7K
Absolute and Local Extreme Values
73
The highest and lowest values of a function, relative to a reference axis, are known as extreme values. These include absolute maximum and absolute minimum values, which represent the highest and lowest points the function reaches across its entire domain. Within a restricted portion of the function, the highest and lowest values are referred to as local maximum and local minimum values, respectively.Periodic functions, such as sine and cosine, show extreme values at infinitely many points due...
73
