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CRISPR UPSC NOTE

 


  • CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) is a revolutionary gene-editing tool that allows scientists to precisely modify DNA sequences.

  • CRISPR editing utilizes a protein called Cas9, which acts as molecular scissors to cut DNA at specific target sites determined by a guide RNA molecule.

  • The guide RNA molecule is designed to recognize and bind to a specific DNA sequence, guiding the Cas9 protein to the intended editing site.


  • Once the DNA is cut, the cell's natural repair mechanisms can be harnessed to introduce desired changes. This can include gene knockout (disabling a gene's function), gene insertion (adding new genetic material), or gene correction (repairing mutations).

  • CRISPR editing offers several advantages over previous gene-editing methods. It is more precise, faster, and more cost-effective, making it accessible to a broader range of researchers.

  • The CRISPR system has applications in various fields, including agriculture, medicine, and basic research. 

Why in News

  • Wood fibres are crucial for meeting the increasing demand for renewable tissue, paper, packaging, textiles, and other fibre products.

  • Historically, wood fibre production has been less efficient and productive than desired by researchers.

  • CRISPR editing has emerged as a promising tool to address this issue and improve wood fibre production.

  • With CRISPR editing, scientists can design wood that has lignin, a complex polymer, more suitable for fibre production.


  • Lignin in wood needs to be cleaved and dissolved to enable efficient fibre production.

  • By using CRISPR editing, researchers can modify the lignin composition, making it more conducive to fibre production.

  • The use of CRISPR editing offers potential for improved productivity and efficiency in wood fibre production, supporting the growing demand for renewable fibre-based products.

  • This development opens up new possibilities for advancements in the field of wood technology and contributes to the sustainable utilization of wood resources.

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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: CRISPR UPSC NOTE
CRISPR UPSC NOTE
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