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Related Concept Videos

CRISPR/Cas9 Genome Editing01:28

CRISPR/Cas9 Genome Editing

829
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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CRISPR01:59

CRISPR

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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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Related Experiment Video

Updated: Nov 7, 2025

Ubiquitous and Tissue-specific RNA Targeting in Drosophila Melanogaster using CRISPR/CasRx
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Using CRISPR-Cas9-based genome engineering tools in Drosophila melanogaster.

Deepti Trivedi1

  • 1National Centre for Biological Sciences-TIFR, Bengaluru, India.

Progress in Molecular Biology and Translational Science
|May 3, 2021
PubMed
Summary

CRISPR-Cas technology revolutionizes Drosophila melanogaster genetics research by enabling efficient, versatile, and cost-effective genome engineering. This powerful tool overcomes limitations of older methods, facilitating the study of previously uncharacterized genes and complex biological processes.

Keywords:
CRISPRCas9Drosophila melanogasterGene driveGenome engineeringTissue-specific manipulation

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Area of Science:

  • Genetics
  • Molecular Biology
  • Developmental Biology

Background:

  • Drosophila melanogaster is a century-old model organism for genetic research.
  • Traditional methods like random insertions and deletions have limitations in characterizing all genes.
  • Previous targeted gene manipulation techniques (ZFNs, TALENs) faced efficiency and resource generation challenges.

Purpose of the Study:

  • To discuss the applications of CRISPR-Cas in Drosophila melanogaster genome engineering.
  • To summarize existing tools used with CRISPR-Cas for genetic manipulation.
  • To explore future directions for CRISPR-Cas in Drosophila research.

Main Methods:

  • Review of CRISPR-Cas technology and its application in Drosophila.
  • Discussion of design strategies for CRISPR-Cas experiments.
  • Integration of CRISPR-Cas with existing Drosophila genetic tools.

Main Results:

  • CRISPR-Cas offers ease, versatility, and low cost for genome engineering in Drosophila.
  • It enables efficient manipulation of specific genomic loci.
  • Facilitates the study of genes previously difficult to characterize.

Conclusions:

  • CRISPR-Cas technology has transformed Drosophila genetics research.
  • It allows for precise genetic modifications to address complex biological questions.
  • Future research will leverage CRISPR-Cas for novel discoveries in Drosophila.