相关实验视频

Updated: May 10, 2026

Analysis of DNA Double-strand Break (DSB) Repair in Mammalian Cells
13:10

Analysis of DNA Double-strand Break (DSB) Repair in Mammalian Cells

Published on: September 9, 2010

在双链断裂修复过程中,Mre11二极体协调DNA末端桥接和核酶处理

R Scott Williams1, Gabriel Moncalian, Jessica S Williams

  • 1Department of Molecular Biology, Scripps Research Institute, 10550 North Torrey Pines Road, MB4, La Jolla, CA 92037, USA.

Cell
|October 16, 2008
PubMed
概括

该Mre11-Rad50-Nbs1 (MRN) 复合体启动了DNA双链断裂 (DSB) 修复. Mre1111 在线观看

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相关概念视频

Mismatch Repair01:36

Mismatch Repair

Overview
Mismatch Repair01:36

Mismatch Repair

Overview
Fixing Double-strand Breaks02:04

Fixing Double-strand Breaks

The double-stranded structure of DNA has two major advantages. First, it serves as a safe repository of genetic information where one strand serves as the back-up in case the other strand is damaged. Second, the double-helical structure can be wrapped around proteins called histones to form nucleosomes, which can then be tightly wound to form chromosomes. This way, DNA chains up to 2 inches long can be contained within microscopic structures in a cell. A double-stranded break not only damages...
Homologous Recombination02:31

Homologous Recombination

The basic reaction of homologous recombination (HR) involves two chromatids that contain DNA sequences sharing a significant stretch of identity. One of these sequences uses a strand from another as a template to synthesize DNA in an enzyme-catalyzed reaction. The final product is a novel amalgamation of the two substrates. To ensure an accurate recombination of sequences, HR is restricted to the S and G2 phases of the cell cycle. At these stages, the DNA has been replicated already and the...
Mismatch Repair01:20

Mismatch Repair

Organisms are capable of detecting and fixing nucleotide mismatches that occur during DNA replication. This sophisticated process requires identifying the new strand and replacing the erroneous bases with correct nucleotides. Mismatch repair is coordinated by many proteins in both prokaryotes and eukaryotes.
The Mutator Protein Family Plays a Key Role in DNA Mismatch Repair
The human genome has more than 3 billion base pairs of DNA per cell. Prior to cell division, that vast amount of genetic...
Fixing Double-strand Breaks02:04

Fixing Double-strand Breaks

The double-stranded structure of DNA has two major advantages. First, it serves as a safe repository of genetic information where one strand serves as the back-up in case the other strand is damaged. Second, the double-helical structure can be wrapped around proteins called histones to form nucleosomes, which can then be tightly wound to form chromosomes. This way, DNA chains up to 2 inches long can be contained within microscopic structures in a cell. A double-stranded break not only damages...