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Updated: Jul 8, 2026

Visualizing Single-molecule DNA Replication with Fluorescence Microscopy
15:57

Visualizing Single-molecule DNA Replication with Fluorescence Microscopy

Published on: October 9, 2009

对个别爱斯坦-巴尔病毒病例的DNA复制的可视化

P Norio1, C L Schildkraut

  • 1Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA. norio@aecom.yu.edu

Science (New York, N.Y.)
|December 18, 2001
PubMed
概括

DNA复制精度在分子之间有所不同. 研究人员可视化了DNA复制事件,发现特定的启动区域和暂停地点组织复制,但开始,进展和终点各不相同.

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Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

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,...