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RNA Editing02:23

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RNA editing is a post-transcriptional modification where a precursor mRNA (pre-mRNA) nucleotide sequence is changed by base insertion, deletion, or modification. The extent of RNA editing varies from a few hundred bases, in mitochondrial DNA of trypanosomes, to a just single base, in nuclear genes of mammals. Even a single base change in the pre-mRNA can convert a codon for one amino acid into the codon for another amino acid or a stop codon. This type of re-coding can significantly affect the...
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Hybridoma technology is used for the large-scale production of monoclonal antibodies. Monoclonal antibodies bind to only a single antigenic determinant or epitope. Such antibodies are used in research, diagnostics, and disease therapy. The hybridoma technology established in 1975 by Georges Köhler and Cesar Milstein was awarded the Nobel Prize in Medicine in 1984 for revolutionizing research and therapy.
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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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The CRISPR-Cas system serves as a bacterial defense mechanism against invading genetic elements such as viruses and plasmids, forming the foundation for its adaptation as a powerful genome-editing tool. Originally discovered in prokaryotes, this system has been repurposed to revolutionize genetic engineering across a wide range of organisms, including plants, animals, and humans. The core component, Cas9, is an endonuclease derived from Streptococcus pyogenes, capable of introducing...
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Updated: Jan 20, 2026

Author Spotlight: Advancing Gene Editing in Bamboo Leaves for Sustainable Plastic Alternatives
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[Development and challenges of gene editing technology].

Yao Liu1, Yingzhe Xiong1, Zhenze Cai1

  • 1Sports and Health Science Research Center, Tsinghua University, Beijing 100084, China.

Sheng Wu Gong Cheng Xue Bao = Chinese Journal of Biotechnology
|August 24, 2019
PubMed
Summary

Gene editing technologies like CRISPR offer advancements in agriculture and medicine. However, technical limitations and ethical debates pose significant challenges to their development and application.

Keywords:
challengedevelopmentethical limitationsgenetic editing technology

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Area of Science:

  • Biotechnology
  • Genetics
  • Molecular Biology

Background:

  • Gene editing is a technology for modifying DNA sequences.
  • Artificial nuclease technologies include ZFN, TALEN, CRISPR, and base editing.

Purpose of the Study:

  • To discuss the development and challenges of gene editing technology.
  • To explore domestic and international perspectives on gene editing.
  • To provide insights into the recognition of gene editing technology.

Main Methods:

  • Review of artificial nuclease cleavage technologies (ZFN, TALEN, CRISPR, base editing).
  • Analysis of the impact of gene editing on agriculture, animal husbandry, and biomedicine.
  • Discussion of technical defects and ethical controversies.

Main Results:

  • Gene editing has driven rapid progress in agriculture, animal husbandry, and biomedicine.
  • Technical limitations and ethical controversies present significant challenges.
  • Varying domestic and international views exist regarding gene editing.

Conclusions:

  • Gene editing technology holds immense potential but faces hurdles.
  • Addressing technical and ethical issues is crucial for future development.
  • Understanding diverse perspectives is key to responsible innovation.