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Related Concept Videos

Restriction Enzymes01:11

Restriction Enzymes

37.6K
Restriction enzymes are bacterial enzymes used to cut DNA in a sequence-specific manner. To cleave DNA, they bind to specific palindromic sequences called restriction sites. Such palindromic DNA sequences or inverted repeats are commonly found in regions of functional significance, such as the origin of replication, gene operator sites, and regions containing transcription termination signals.
The host bacteria protect their own genomic DNA from these enzymes by methylating these sites. Some...
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DNA Isolation01:24

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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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Updated: Mar 5, 2026

In Vitro Directed Evolution of a Restriction Endonuclease with More Stringent Specificity
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DNA-Based Enzyme Reactors and Systems.

Veikko Linko1, Sami Nummelin2, Laura Aarnos3

  • 1Biohybrid Materials, Department of Biotechnology and Chemical Technology, Aalto University, P.O. Box 16100, Aalto 00076, Finland. veikko.linko@aalto.fi.

Nanomaterials (Basel, Switzerland)
|March 25, 2017
PubMed
Summary
This summary is machine-generated.

DNA nanostructures offer precise control over enzyme placement for creating artificial biochemical systems. These DNA-enzyme hybrids function as reactors, regulators, and carriers for biotechnological and nanomedical applications.

Keywords:
DNA nanodeviceDNA nanotechnologyDNA origamiDNA sensorscascade reactionsdrug-deliveryenzymenanomedicineself-assembly

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Area of Science:

  • Biotechnology
  • Nanomedicine
  • Synthetic Biology

Background:

  • DNA nanotechnology enables the creation of custom biocompatible nanoshapes.
  • These structures allow precise positioning of molecules like enzymes at the nanoscale.

Purpose of the Study:

  • To review the latest enzyme systems utilizing novel DNA nanostructures.
  • To highlight applications in artificial biochemical machinery, enzyme regulation, and cellular delivery.

Main Methods:

  • Review of recent literature on DNA nanostructures and enzyme integration.
  • Analysis of DNA-enzyme hybrids for cascade reactions and molecular encapsulation.

Main Results:

  • DNA nanostructures can precisely position enzymes, mimicking cellular biochemical machinery.
  • DNA-enzyme hybrids demonstrate control over multi-enzyme cascade reactions and enzyme function.
  • Sophisticated DNA structures serve as effective carriers for enzyme delivery into cells.

Conclusions:

  • Novel DNA nanostructures are enabling advanced enzyme reactors, regulatory devices, and carriers.
  • These systems have significant potential in diverse biotechnological and nanomedical fields.