T4 DNA Ligase Market - Top companies and Products in 2024

Growing Significance of T4 DNA Ligase in Molecule Biology, molecular biology, DNA ligase

When it's about molecular biology, precision and accuracy are crucial for studying the structure and function of cellular molecules such as proteins, nucleic acids, and lipids. By joining two DNA fragments to establish a new chemical bond, enzymes are responsible for ensuring this precision. There are various types of ligase enzymes, including DNA ligase, T4 DNA ligase, MDM2/mdmx ligase, and RING-finger E3 ligase. In this blog, we will explore the role of T4 DNA ligase in DNA manipulation. Among these, T4 DNA ligase is the most extensively used ligase in molecular biology. In this blog, we will explore the role of T4 DNA ligase in DNA manipulation.

What Exactly is T4 DNA Ligase?

T4 DNA ligase is an enzyme involved in catalyzing the formation of a phosphodiester bond. The enzymes can efficiently joint blunt and cohesive ends of DNA ligation and repair single-stranded nicks in duplex DNA and some DNA/RNA hybrids, facilitating the formation of a continuous DNA strand. T4 DNA ligase has obtained popularity in various routine applications ranging from molecular cloning, library construction, and high-throughput DNA sequencing to the detection of small RNAs. Due to its versatility of ligating juxtaposed 5' phosphate and 3' hydroxyl termini in duplex DNA or RNA, it has been optimized for a range of conditions for fast and efficient ligation.

Working Mechanism of T4 DNA Ligase

The process of DNA ligation includes three steps:

  • In the first step, T4 DNA ligase binds to the ends of two DNA fragments that need to be joined.
  • In the second step, the enzymes create an enzyme-substrate complex, positioning the ends of the DNA close together.
  • In the third step, T4 DNA ligase forms a phosphodiester bond between the phosphate group of one DNA end and the hydroxyl group of the other using energy from ATP (adenosine triphosphate).

Key Points about T4 DNA Ligase

  • Some variants of T4 DNA ligase, such as Salt-T4 DNA Ligase, can withstand high salt concentrations or elevated temperatures up to 50°C.
  • The optimal temperature for T4 DNA ligase is 16°C.
  • The progression and scope of each phase of the reaction depend on the concentrations of ATP and Mg2+.
  • It offers reliable performance, which is crucial for reproducible results in scientific experiments.
  • T4 DNA ligase can be used to join blunt and cohesive end DNA and to repair single-stranded nicks in DNA, or DNA/RNA hybrids. It can work with a wide range of DNA substrates, making it suitable for various applications.
  • In molecular biology, DNA ligase can repair breaks in DNA that occur during replication and damage.

Applications of T4 DNA Ligase

These enzymes can be used for a variety of applications in molecular biology, including:

DNA Cloning: T4 DNA ligase is essential in the cloning process where both blunt and cohesive-ended double-stranded DNA molecules are ligated, usually between a plasmid vector and insert. They can be used in molecular cloning of PCR products or restriction fragments.

Gene Editing: In gene editing, T4 DNA ligase helps in enhancing in vitro activity in lab workflows. Also, this ligase can be used to exploit new genetic engineering tools and is expected to promote genome streamlining. T4 DNA ligase can be used in combination with CRISPR in bacterial genome engineering.

Self-Circularization: T4 DNA ligases are used in the self-circularization of linear DNA. For instance, Cytiva’s Ready-To-Go T4 DNA Ligase includes self-circularization even prior to transformation, ligation of the insert to vector, and ligation of synthetic linkers to blunt-ended DNA.

Genetic Engineering: In genetic engineering, T4 DNA ligase is used to insert DNA fragments into the genomes of organisms, enabling the production of genetically modified plants, animals, and microorganisms.

What are Limitations?

  • Despite its capability to catalyze reactions and facilitate plasmid insertion in genetic research and experiments, T4 DNA ligase also has some limitations.
  • It is less effective in sealing single-stranded DNA.
  • It requires a co-factor (ATP) to catalyze phosphodiester bond formation during the polymerization process.
  • It’s temperature-sensitive. The activity of T4 DNA ligase fluctuates with an increase in the temperature up to its optimal range (37 °C).

Top companies in T4 DNA Ligase Market:

  1. Thermo Fisher Scientific
  2. Vazyme Biotech
  3. Agilent Technologies
  4. Takara Bio
  5. Acrobiosystems
  6. Sino Biological
  7. Beyotime Biotech
  8. Tiangen Biotech
  9. Jiangsu CoWin Biotech
  10. ABclonal Technology

Recent Product Launches

In June 2024, New England Biolabs and Inorevia collaborated to maximize data quality by preparing sequence-ready libraries from challenging samples using NEBNext library preparation reagents on Inorevia's Magelia automation platform.

In February 2023, New England Biolabs released the NEBNext UltraExpress DNA and RNA Library Prep Kits for next-generation sequencing on the Illumina platform. These new kits enable RNA library preparation in a single day and DNA library preparation in under two hours with high-quality libraries and a faster workflow. New England Biolabs is a US-based life sciences company that specializes in producing and delivering recombinant and native enzyme reagents for life science research.

In August 2015, Merck KGaA, a German-based multinational science and technology company, expanded its portfolio of enzymes for molecular biology applications by launching the “Rapid DNA Ligation Kit” featuring ready-to-use reagents to ensure accuracy and reproducibility.

Final Thoughts

The field of ligase enzymes is expected to experience significant growth in upcoming years as biotechnology companies and academic institutions continue to collaborate to revolutionize T4 DNA Ligase technology. Such initiatives reflect the potential development of new enzyme variants that are pivotal in emerging applications within genomics and biotechnology. However, the T4 DNA enzyme will undoubtedly remain a key player in reshaping molecular biology.

Despite these advancements, T4 DNA Ligase is likely to remain a key player in molecular biology. Developments in the biotechnology and pharmaceutical sectors, such as advancements in genetic and protein engineering, have expanded the applications of enzymes and are anticipated to offer lucrative growth opportunities throughout the projected period.


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