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相关概念视频

Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

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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,...
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Comparing Copy Number Variations and SNPs02:26

Comparing Copy Number Variations and SNPs

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Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
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Genome-wide Association Studies-GWAS01:11

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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...
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Measurement of BK-polyomavirus Non-Coding Control Region Driven Transcriptional Activity Via Flow Cytometry
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在BK多瘤病毒非编码控制区域内的单核酸多态是基因型相关的.

Tiana A Walder1, Elizabeth A Odegard1, Heidi L Meeds1

  • 1Division of Digestive Diseases, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.

Microbiology spectrum
|June 24, 2025
PubMed
概括

在BK多重瘤病毒 (BKPyV) 非编码控制区域的基因型相关多态 (GAP) 与特定的基因型相关. 这些GAP可以识别BKPyV菌株,并提供有关病毒疾病机制的见解.

关键词:
在BK多重病毒中,BK多重病毒.基因型 基因型 基因型造血细胞移植 造血细胞移植没有编码的控制区域.单核酸多形态的单核酸多形态亚型子类型 亚型子类型转录因子的结合点是转录因子的结合点.病毒多样性 病毒多样性

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科学领域:

  • 病毒学 病毒学
  • 分子生物学分子生物学
  • 遗传学 是一个遗传学.

背景情况:

  • BK多重瘤病毒 (BKPyV) 是移植受体出现并发症的重要原因,包括出血性囊炎和病.
  • 了解BKPyV的遗传多样性对于改善移植结果和探索疾病机制至关重要.

研究的目的:

  • 调查BKPyV.的非编码控制区域 (NCCR) 内的基因型相关多态 (GAP).
  • 确定GAP是否可用于临床BKPyV菌株的基因定型,并确定潜在的功能部位.

主要方法:

  • 对BKPyV基因组序列的分析,以确定NCCR中的突变.
  • 确定突变与已知的BKPyV基因型的相关性.
  • 在NCCR中对转录因子结合部位的生物信息预测.

主要成果:

  • BKPyV NCCR中的许多点突变是基因型相关的,称为基因型相关多态 (GAP).
  • GAP与高度变化的区域相关,并且固有于特定的BKPyV基因型.
  • 在预测的转录因子结合位点内发现了GAP,这表明其具有功能相关性.

结论:

  • BKPyV NCCR中的GAP是临床菌株基因型定型的可靠标志物.
  • 这些GAP代表了对BKPyV病变的功能研究的潜在目标.
  • 了解BKPyV的基因组多样性,包括GAPs,可以提高查和阐明疾病因素.