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相关概念视频

DNA-only Transposons02:57

DNA-only Transposons

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DNA-only transposons are called autonomous transposons since they code for the enzyme transposase that is required for the transposition mechanism. Insertion of transposons can alter gene functions in multiple ways. They can mutate the gene, alter gene expression by introducing a novel promoter or insulator sequence, introduce new splice sites, and change the mRNA transcripts produced, or remodel chromatin structure.
The donor site from where the transposon is excised is either degraded or...
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DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...
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DNA Agarose Gel Electrophoresis02:35

DNA Agarose Gel Electrophoresis

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Agarose gel electrophoresis is a laboratory technique commonly used to separate DNA fragments by size. However, it can also be used to isolate and purify DNA fragments using a gel extraction protocol.
Gel extraction follows five major steps: running gel electrophoresis to separate fragments, isolating the individual bands, extracting DNA from those bands, and removing the dye and salts from the extracted mixture to obtain pure DNA.
In cloning experiments, both the insert and vector DNA...
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相关实验视频

Updated: Jun 7, 2025

Functional Surface-immobilization of Genes Using Multistep Strand Displacement Lithography
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具有成本效益的DNA存储系统,具有DNA可移动类型.

Chenyang Wang1,2,3, Di Wei1,2, Zheng Wei4

  • 1China National Center for Bioinformation, Beijing, 100101, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|November 18, 2024
PubMed
概括

一个新的DNA可移动类型存储系统使用预制的DNA寡核酸,以节省成本,有效地保存大数据. 这种可重复使用的DNA存储方法大大降低了成本,并提高了大规模数据存档的效率.

关键词:
DNA数据存储 DNA数据存储DNA可移动类型的DNA.基于DNA的存储方式

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DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
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Published on: October 25, 2018

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科学领域:

  • 生物技术是生物技术.
  • 数据存储数据存储数据存储
  • 分子工程分子工程分子工程

背景情况:

  • 数据的指数增长需要先进的档案解决方案.
  • 现有的DNA存储方法是昂贵的,因为每个文件的序列,一次性合成.
  • 需要高效,可扩展的DNA数据存储技术.

研究的目的:

  • 推出一种新的,经济高效的DNA可移动类型存储系统.
  • 克服数据存储传统DNA合成方法的局限性.
  • 为了证明可重复使用的DNA存储方法的可行性.

主要方法:

  • 开发预制的DNA移动类型 (DNA-MTs),编码数据,地址和检查和总和.
  • 用自动化BISHENG-1 DNA-MT喷墨打印机将DNA-MT酶结合成凝聚性块.
  • 在体外和体外各种数据格式的打印,组装,存储和检索.

主要成果:

  • 成功打印,组装,存储和检索43.7KB的数据文件 (文本,图像,音频,视频).
  • 仅使用了350个独特的DNA-MT,每个可重复使用高达10,000次.
  • 实现了122美元/MB的成本,显著超过现有的DNA存储方法.

结论:

  • 移动型DNA存储系统比传统方法具有显著的成本和效率优势.
  • 这种可重复使用的DNA-MT方法规避了对整个DNA序列的新合成的需要.
  • 该系统展示了为大数据时代推进强大的DNA存储解决方案的巨大潜力.