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Related Experiment Video

Updated: Oct 12, 2025

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Bioinformatic and cell-based tools for pooled CRISPR knockout screening in mosquitos.

Raghuvir Viswanatha1, Enzo Mameli2,3, Jonathan Rodiger2

  • 1Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, 02115, USA. ram@genetics.med.harvard.edu.

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|November 25, 2021
PubMed
Summary

Researchers developed a new CRISPR screening platform for mosquito cell lines, enabling high-throughput genetic analysis to combat mosquito-borne diseases.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Vector Biology

Background:

  • Mosquito-borne diseases pose a significant global health challenge.
  • Cultured mosquito cells and CRISPR screens in mammalian cells have advanced research.
  • A lack of scalable genetic screening tools for mosquito cell lines hinders progress.

Purpose of the Study:

  • To develop a high-throughput genome-scale screening platform for mosquito cell lines.
  • To enable functional annotation of genes in disease vector species.

Main Methods:

  • Designed a bioinformatic portal for sgRNA library design in mosquito genomes.
  • Engineered mosquito cell lines for Cas9 expression and sgRNA acceptance.
  • Optimized a recombination-mediated cassette exchange system for CRISPR delivery.
  • Performed pooled CRISPR screens in an Anopheles cell line.

Main Results:

  • Established a functional CRISPR screening platform for mosquito cell lines.
  • Identified optimal promoters for sgRNA expression across multiple mosquito species.
  • Demonstrated the utility of the platform for genome-scale screening.

Conclusions:

  • The developed platform facilitates high-throughput genetic screening in disease vector cell lines.
  • This advancement will accelerate research into mosquito-borne diseases and vector control strategies.