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CRISPR01:59

CRISPR

57.4K
Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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CRISPR and crRNAs02:53

CRISPR and crRNAs

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Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
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CRISPR/Cas9 Genome Editing01:28

CRISPR/Cas9 Genome Editing

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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...
1.6K
Homologous Recombination02:31

Homologous Recombination

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The basic reaction of homologous recombination (HR) involves two chromatids that contain DNA sequences sharing a significant stretch of identity. One of these sequences uses a strand from another as a template to synthesize DNA in an enzyme-catalyzed reaction. The final product is a novel amalgamation of the two substrates. To ensure an accurate recombination of sequences, HR is restricted to the S and G2 phases of the cell cycle. At these stages, the DNA has been replicated already and the...
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Video Experimental Relacionado

Updated: Jan 8, 2026

Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins
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Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins

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Control de calidad CRISPR en un chip

Kiana Aran1,2,3,4, Brett R Goldsmith3

  • 1Shu Chien-Gene Lay Department of Bioengineering, Jacobs School of Engineering, University of California, San Diego, San Diego, CA, USA.

Nature reviews bioengineering
|December 15, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Creamos un CRISPR-Chip, un motor de búsqueda electrónico de ADN, para la detección rápida de ADN sin amplificación. Esta tecnología fusiona la edición genética CRISPR con la electrónica de nanomateriales, allanando el camino para la comercialización.

Palabras clave:
CRISPR-Chipdetección de ADNsin amplificaciónnanomaterialeselectrónicabiotecnologíadiagnóstico

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Área de la Ciencia:

  • Biotecnología
  • Nanotecnología
  • Biología Molecular

Sus antecedentes:

  • La tecnología CRISPR ofrece una precisa orientación del ADN.
  • Los biosensores electrónicos requieren métodos de detección rápidos y escalables.

Objetivo del estudio:

  • Desarrollar un 'motor de búsqueda electrónico de ADN' integrando CRISPR con la electrónica.
  • Permitir la detección de ADN sin necesidad de amplificación.
  • Explorar la vía de comercialización para esta novedosa tecnología.

Principales métodos:

  • Combinación del reconocimiento de ADN de CRISPR con electrónica basada en nanomateriales.
  • Desarrollo de un CRISPR-Chip para la detección directa de ADN.
  • Evaluación del potencial de la tecnología para aplicaciones comerciales.

Principales resultados:

  • Se logró la detección de ADN sin amplificación previa.
  • Se demostró la sinergia entre la biología molecular y la electrónica de nanomateriales.
  • Se identificaron los puntos clave y los desafíos en la comercialización del CRISPR-Chip.

Conclusiones:

  • El CRISPR-Chip representa un avance significativo en la tecnología de detección de ADN.
  • La fusión de CRISPR con la electrónica abre nuevas vías para la biosensación.
  • La tecnología muestra potencial para futuras aplicaciones comerciales en diagnóstico y más allá.