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Related Concept Videos

Restriction Enzymes01:11

Restriction Enzymes

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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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Protein Complex Assembly02:41

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Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
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Assembly of Signaling Complexes01:30

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Multiprotein signaling complexes are formed in a dynamic process involving protein-protein interactions at the cytoplasmic domain of transmembrane receptors or enzymatic and non-enzymatic proteins associated with the receptor. These complexes ensure the activation and propagation of intracellular signals that regulate cell functions.
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Assembly of Complex Microtubule Structures01:32

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Complex microtubule structures are present in resting cells and in dividing cells. In resting cells, they are responsible for maintaining the cellular architecture, tracks for intracellular transport, positioning of organelles, assembly of cilia and flagella. They mediate the bipolar spindle assembly for chromosomal segregation and positioning of the cell division plate in dividing cells. The formation of microtubule complex structures depends on the cell type, cell stage, and cell function.
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Enzymes02:34

Enzymes

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Inside living organisms, enzymes act as catalysts for many biochemical reactions involved in cellular metabolism. The role of enzymes is to reduce the activation energies of biochemical reactions by forming complexes with its substrates. The lowering of activation energies favor an increase in the rates of biochemical reactions.
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Related Experiment Video

Updated: Jan 28, 2026

CAPRRESI: Chimera Assembly by Plasmid Recovery and Restriction Enzyme Site Insertion
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Assembly of Complex Pathways Using Type IIs Restriction Enzymes.

Sylvestre Marillonnet1, Stefan Werner2

  • 1Department of Cell and Metabolic Biology, Leibniz-Institut für Pflanzenbiochemie, Halle, Germany. smarillo@ipb-halle.de.

Methods in Molecular Biology (Clifton, N.J.)
|February 22, 2019
PubMed
Summary
This summary is machine-generated.

Modular Cloning (MoClo) enables efficient assembly of multiple DNA fragments for synthetic biology. This method streamlines multigene construct creation using type IIS enzymes in one-pot reactions.

Keywords:
Biological partsDNA assemblyModular cloningMultigene constructsSynthetic biology

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Area of Science:

  • Synthetic biology
  • Molecular biology
  • Metabolic engineering

Background:

  • Efficient DNA assembly is critical for advancing synthetic biology and metabolic engineering.
  • Type IIS enzyme-based DNA assembly offers advantages for complex pathway construction.
  • Existing methods allow for single-step assembly of multiple DNA fragments.

Purpose of the Study:

  • To describe a protocol for assembling multigene constructs using the Modular Cloning (MoClo) system.
  • To highlight the advantages of MoClo for complex pathway engineering.
  • To provide a method for rapid assembly of multigene constructs.

Main Methods:

  • Utilizing the Modular Cloning (MoClo) system for DNA assembly.
  • Defining the final construct structure to identify necessary basic parts and vectors.
  • Employing a series of one-pot assembly steps for multigene construct creation.
  • Preparing essential basic parts if not already available.

Main Results:

  • The MoClo system facilitates the rapid assembly of multigene constructs.
  • The protocol allows for the creation of complex genetic constructs through sequential one-pot reactions.
  • Users can efficiently build multigene constructs from libraries of cloned and sequenced DNA parts.

Conclusions:

  • The MoClo system provides an efficient and versatile method for assembling multigene constructs.
  • This protocol simplifies complex pathway engineering in synthetic biology.
  • The described method enables rapid construction of custom DNA molecules for various applications.