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Updated: May 24, 2026

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

Published on: February 13, 2012

RNAi screening to identify postembryonic phenotypes in C. elegans.

Katherine K Beifuss¹, Tina L Gumienny

¹Department of Molecular and Cellular Medicine, Texas A&M University System Health Science Center, USA.

Journal of Visualized Experiments : Jove

|February 23, 2012

Summary

We developed a new RNAi screening protocol to identify genes affecting postembryonic development in C. elegans. This method uses a fluorescent reporter and RNA interference (RNAi) to uncover subtle gene functions.

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Area of Science:

Genetics
Developmental Biology
Molecular Biology

Background:

Caenorhabditis elegans (C. elegans) is a key model organism for gene discovery and pathway analysis.
Advanced tools and resources enhance the identification of genes with subtle phenotypes.
RNA interference (RNAi) is a powerful technique for gene function studies.

Purpose of the Study:

To present a generalized RNAi screening protocol for identifying C. elegans genes with postembryonic phenotypes.
To demonstrate a method for discovering genes critical for protein localization in late-stage C. elegans.
To adapt existing resources for efficient gene function analysis.

Main Methods:

Utilized a commercially available genomic RNAi library with full-length cDNA inserts.

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Using RNA-mediated Interference Feeding Strategy to Screen for Genes Involved in Body Size Regulation in the Nematode C. elegans

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Published on: February 13, 2013

Quantitative and Automated High-throughput Genome-wide RNAi Screens in C. elegans

Quantitative and Automated High-throughput Genome-wide RNAi Screens in C. elegans

Published on: February 27, 2012

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Last Updated: May 24, 2026

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

Published on: February 13, 2012

Using RNA-mediated Interference Feeding Strategy to Screen for Genes Involved in Body Size Regulation in the Nematode C. elegans

Using RNA-mediated Interference Feeding Strategy to Screen for Genes Involved in Body Size Regulation in the Nematode C. elegans

Published on: February 13, 2013

Quantitative and Automated High-throughput Genome-wide RNAi Screens in C. elegans

Quantitative and Automated High-throughput Genome-wide RNAi Screens in C. elegans

Published on: February 27, 2012

Generated an integrated transgene expressing a fluorescently tagged protein in an RNAi-sensitive background.

Exposed hatched C. elegans to RNAi and analyzed phenotypes using a compound microscope with single-cell resolution.

Main Results:

Successfully screened for genes affecting postembryonic phenotypes using RNAi.
Identified genes required for the normal localization of a fluorescently tagged protein in adult C. elegans.
The protocol effectively identified genes with postembryonic roles that might be masked by essential embryonic functions.

Conclusions:

The presented RNAi screening protocol is adaptable for various phenotypic assays in C. elegans.
This method leverages existing C. elegans resources for efficient gene discovery.
The protocol facilitates the identification of genes with crucial postembryonic functions.