Collection: Cloning

Cloning Brochure

Molecular cloning is a fundamental technique in molecular biology that involves the replication and propagation of DNA fragments. It plays a crucial role in various areas of research, including gene analysis, protein expression, and genetic engineering. GeneBio Systems supports the molecular cloning process by supplying superior ligases, TA-cloning kits, blunt-end cloning kits, universal cloning kits, and competent cells.

Ligases:

Ligases are enzymes that catalyze the joining (ligation) of DNA fragments with compatible cohesive ends or blunt ends.

Ligases are essential for sealing the nicks in the phosphodiester backbone of DNA molecules. In molecular cloning, they are used to ligate (join) insert DNA fragments into vector DNA, creating a recombinant DNA molecule. This is a critical step in the construction of gene expression vectors or cloning vectors.

 

TA-Cloning Kits:

TA cloning involves the use of vectors with 3'-adenine (A) overhangs, which can easily base-pair with the 3'-thymine (T) overhangs generated by the action of Taq polymerase during PCR.

TA cloning kits simplify the cloning of PCR-amplified DNA fragments. The PCR product, which has A-overhangs, can be directly ligated into the A-tailed vector without the need for restriction enzymes. This technique is convenient for cloning PCR products into vectors for subsequent analysis or expression.

 

Blunt-End Cloning Kits:

Blunt-end cloning involves the ligation of DNA fragments with blunt ends, where no overhangs are present.

Blunt-end cloning kits are useful when DNA fragments are generated by restriction enzymes that produce blunt ends or when PCR products lack cohesive ends. These kits often include enzymes that fill in or remove overhangs to create blunt ends, and ligases to join the blunt-ended fragments to a vector.

 

Universal Cloning Kits:

Universal cloning kits aim to streamline the cloning process by providing versatile vectors and adaptability to various DNA fragments.

Universal cloning kits are designed to be compatible with different DNA fragment types (blunt or cohesive ends) and multiple host organisms. Researchers can use these kits for a range of cloning applications without the need for specialized vector systems. They often include a variety of vectors and selectable markers for flexibility.

 

Competent Cells:

Competent cells are bacterial cells that have been treated to increase their permeability to foreign DNA, allowing the uptake of plasmids or other DNA molecules.

Competent cells are crucial for introducing recombinant DNA into host organisms during cloning. After ligating the DNA fragments into a vector, the resulting recombinant plasmid is transformed into competent cells. These cells can then express the inserted DNA and be selected for further analysis, such as gene expression studies or the production of proteins of interest.

In summary, molecular cloning techniques, along with the use of ligases, TA-cloning kits, blunt-end cloning kits, universal cloning kits, and competent cells, enable researchers to manipulate and study DNA in a controlled and reproducible manner. These tools have widespread applications in genetic engineering, functional genomics, and various fields of biotechnology.

    20 products
    • GB-Clone™ Fast T4 DNA Ligase
      Fast T4 DNA Ligase
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      from $93.00 USD
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      from $93.00 USD
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    • GB-Clone™ T4 DNA Ligase
      T4 DNA Ligase
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      from $64.00 USD
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      from $64.00 USD
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    • pEASY®-Blunt M3 Expression Kit
      pEASY®-Blunt M3 Expression Kit
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      $259.00 USD
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      $259.00 USD
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    • pEASY®-Blunt M2 Expression Kit
      pEASY®-Blunt M2 Expression Kit
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      $259.00 USD
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      $259.00 USD
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    • pEASY®-Blunt E2 Expression Kit
      pEASY®-Blunt E2 Expression Kit
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      $195.00 USD
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      $195.00 USD
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    • pEASY®-Blunt E1 Expression Kit
      pEASY®-Blunt E1 Expression Kit
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      $195.00 USD
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      $195.00 USD
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    • TransStbl3 Chemically Competent Cell
      TransStbl3 Chemically Competent Cell
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      from $151.00 USD
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      from $151.00 USD
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    • Fast MultiSite Mutagenesis System
      Fast MultiSite Mutagenesis System
      Regular price
      $387.00 USD
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      $387.00 USD
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    • Fast Mutagenesis System
      Fast Mutagenesis System
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      $146.00 USD
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      $146.00 USD
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    • pEASY®-T5 Zero Cloning Kit
      pEASY®-T5 Zero Cloning Kit
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      from $295.00 USD
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      from $295.00 USD
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    • pEASY®-T1 Simple Cloning Kit
      pEASY®-T1 Simple Cloning Kit
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      from $231.00 USD
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      from $231.00 USD
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    • pEASY®-Blunt Cloning Kit
      pEASY®-Blunt Cloning Kit
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      from $231.00 USD
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      from $231.00 USD
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    • pEASY®-T3 Cloning Kit
      pEASY®-T3 Cloning Kit
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      from $231.00 USD
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      from $231.00 USD
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    • pEASY®-Blunt Simple Cloning Kit
      pEASY®-Blunt Simple Cloning Kit
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      from $231.00 USD
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      from $231.00 USD
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    • pEASY®-Uni Seamless Cloning and Assembly Kit
      pEASY®-Uni Seamless Cloning and Assembly Kit
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      $168.00 USD
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      $168.00 USD
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    • pEASY®-T1 Cloning Kit
      pEASY®-T1 Cloning Kit
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      from $231.00 USD
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      from $231.00 USD
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    • Trans5alpha Chemically Competent Cell
      Trans5alpha  Chemically Competent Cell
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      from $97.00 USD
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      from $97.00 USD
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    • pEASY®-Blunt Zero Cloning Kit
      pEASY®-Blunt Zero Cloning Kit
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      from $295.00 USD
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      from $295.00 USD
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    • pEASY®-Blunt3 Cloning Kit
      pEASY®-Blunt3 Cloning Kit
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      from $231.00 USD
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      from $231.00 USD
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    • Trans1-T1 Phage Chemically Competent Cell
      Trans1-T1 Phage Chemically Competent Cell
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      from $130.00 USD
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      from $130.00 USD
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