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Related Experiment Video

Updated: May 8, 2026

Genome Editing in Astyanax mexicanus Using Transcription Activator-like Effector Nucleases (TALENs)
07:42

Genome Editing in Astyanax mexicanus Using Transcription Activator-like Effector Nucleases (TALENs)

Published on: June 20, 2016

Conditional targeted genome editing using somatically expressed TALENs in C. elegans.

Ze Cheng1, Peishan Yi, Xiangming Wang

  • 11] National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Chaoyang District, Beijing, China. [2] School of Life Sciences, Peking University, Beijing, China. [3].

Nature Biotechnology
|August 20, 2013
PubMed
Summary
This summary is machine-generated.

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Researchers created conditional gene knockouts in Caenorhabditis elegans using somatic cell transcription activator-like effector nucleases (TALENs). This versatile method enables functional genomics studies by allowing gene modifications in specific tissues and developmental stages.

Area of Science:

  • Genetics and Genomics
  • Developmental Biology
  • Molecular Biology

Background:

  • Conditional gene knockouts are crucial for understanding gene function in specific biological contexts.
  • Traditional knockout methods may not be suitable for studying essential genes with early developmental roles.

Purpose of the Study:

  • To develop a novel method for generating conditional gene knockouts in *Caenorhabditis elegans* using somatic cell expression of transcription activator-like effector nucleases (TALENs).
  • To demonstrate the utility of this method for studying essential genes and their roles in specific tissues and developmental stages.

Main Methods:

  • Germline transformation in *C. elegans* with plasmids encoding TALENs.
  • Utilizing inducible or tissue-specific promoters to control TALEN expression in somatic cells.

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Last Updated: May 8, 2026

Genome Editing in Astyanax mexicanus Using Transcription Activator-like Effector Nucleases (TALENs)
07:42

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Published on: June 20, 2016

A Rapid and Facile Pipeline for Generating Genomic Point Mutants in C. elegans Using CRISPR/Cas9 Ribonucleoproteins
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A Rapid and Facile Pipeline for Generating Genomic Point Mutants in C. elegans Using CRISPR/Cas9 Ribonucleoproteins

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12:04

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  • Generating conditional knockouts and observing resulting phenotypes.

    • Main Results:

    • Effective gene modifications and observable phenotypes were achieved in specific developmental stages and tissues.
    • The method successfully bypassed the embryonic lethality of the *cor-1* gene, a homolog of human SCID protein coronin.
    • The essential role of *cor-1* in larval Q-cell migration was elucidated.

    Conclusions:

    • Somatic cell expression of TALENs provides a versatile and powerful tool for functional genomics in model organisms.
    • This approach enables the study of essential genes and their functions in a conditional manner, overcoming limitations of constitutive knockouts.
    • The developed method facilitates precise gene manipulation for investigating complex biological processes.