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相关概念视频

Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

15.3K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
15.3K
Genome Annotation and Assembly03:36

Genome Annotation and Assembly

18.9K
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.
18.9K
Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

5.9K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
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Genomics02:02

Genomics

36.6K
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...
36.6K
Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

13.7K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
13.7K

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相关实验视频

Updated: Jul 29, 2025

Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
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Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation

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关于SARS-CoV-2基因组数据库,注释,分析和变体跟踪的网络资源

Yexiao Cheng1,2,3, Chengyang Ji2,3, Hang-Yu Zhou2,3

  • 1School of Life Science and Technology, China Pharmaceutical University, Nanjing 211100, China.

Viruses
|May 27, 2023
PubMed
概括

网络资源通过管理数据,分析序列和跟踪变异来帮助SARS-CoV-2基因组流行病学. 持续开发对于理解病毒的演变和传播至关重要.

关键词:
这就是SARS-CoV-2病毒.标注注释 标注注释我们的数据库数据库数据库数据库.基因组分析基因组分析变种跟踪 变种跟踪 变种跟踪网页资源是一个网络资源.

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Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information
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Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information

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Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease
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相关实验视频

Last Updated: Jul 29, 2025

Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
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Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information
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Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease
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科学领域:

  • 基因组学就是基因组学.
  • 流行病学 流行病学
  • 生物信息学是一种生物信息学.

背景情况:

  • SARS-CoV-2 流行病已经产生了大量的基因组数据.
  • 了解病毒传播和进化严重依赖于基因组分析.
  • 许多网络资源已经出现,以支持SARS-CoV-2基因组研究.

研究的目的:

  • 审查现有的SARS-CoV-2基因组流行病学网络资源.
  • 涵盖数据管理,共享,注释,分析和变种跟踪.
  • 讨论这些资源的挑战和未来的期望.

主要方法:

  • 关于SARS-CoV-2基因组流行病学的网络资源的文献综述.
  • 基于功能 (数据管理,分析,可视化) 的资源分类.
  • 讨论当前的能力和局限性.

主要成果:

  • 关于SARS-CoV-2基因组流行病学的网络资源的综合摘要.
  • 确定关键领域:数据管理,基因组注释,分析和变种跟踪.
  • 讨论包括数据标准化和可访问性在内的挑战.

结论:

  • 网络资源是SARS-CoV-2基因组流行病学的重要工具.
  • 为了有效的病毒追踪和进化研究,需要持续开发和改进.
  • 加强合作和数据共享对于未来的进步至关重要.