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Related Concept Videos

Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Experimental RNAi02:15

Experimental RNAi

RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
Epistasis Analysis01:09

Epistasis Analysis

Although Mendel chose seven unrelated traits in peas to study gene segregation, most traits involve multiple gene interactions that create a spectrum of phenotypes. When the interaction of various genes or alleles at different locations influences a phenotype, this is called epistasis. Epistasis often involves one gene masking or interfering with the expression of another (antagonistic epistasis). Epistasis often occurs when different genes are part of the same biochemical pathway. The...
Inheritance01:25

Inheritance

Gregor Mendel's pioneering work on the principles of inheritance fundamentally transformed our understanding of how traits are transmitted from generation to generation. His experiments with pea plants laid the groundwork for the discovery of genes, discrete units within organisms that control heredity.
Each gene exists in pairs, and the combination of these genes from both parents forms an individual's genotype. This genotype is a blueprint of potential traits. Examples of genotype traits...

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Related Experiment Video

Updated: Jul 3, 2026

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans
09:40

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

Published on: February 13, 2012

Lessons from genetics: interpreting complex phenotypes in RNAi screens.

Raphael Sacher1, Lilli Stergiou, Lucas Pelkmans

  • 1Institute of Molecular Systems Biology, ETH Zürich, Wolfgang-Pauli Street 16, 8093 Zürich, Switzerland. sacher@imsb.biol.ethz.ch

Current Opinion in Cell Biology
|July 8, 2008
PubMed
Summary
This summary is machine-generated.

This study explores dynamic cellular networks by drawing parallels between cell biology and classical genetics. It aims to improve methods for capturing spatiotemporal interactions, essential for understanding complex biological systems.

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

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RNA Interference in Aquatic Beetles as a Powerful Tool for Manipulating Gene Expression at Specific Developmental Time Points
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RNA Interference in Aquatic Beetles as a Powerful Tool for Manipulating Gene Expression at Specific Developmental Time Points

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Related Experiment Videos

Last Updated: Jul 3, 2026

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans
09:40

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
11:22

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

RNA Interference in Aquatic Beetles as a Powerful Tool for Manipulating Gene Expression at Specific Developmental Time Points
08:55

RNA Interference in Aquatic Beetles as a Powerful Tool for Manipulating Gene Expression at Specific Developmental Time Points

Published on: May 29, 2020

Area of Science:

  • Mammalian cell biology
  • Systems biology
  • Genetics

Background:

  • Modern cell biology increasingly relies on understanding dynamic networks of interacting cellular components.
  • Image-based RNA interference (RNAi) screening is a key technology in this field.
  • Current methods for capturing spatiotemporal cellular interactions require improvement.

Purpose of the Study:

  • To propose novel approaches for capturing cellular interactions in space and time.
  • To draw parallels between cell biology and classical genetics to inform new methodologies.
  • To enhance the study of dynamic cellular networks.

Main Methods:

  • Comparative analysis of methodologies in cell biology and classical genetics.
  • Conceptual framework development inspired by genetic principles.
  • Literature review and theoretical integration.

Main Results:

  • Identification of conceptual analogies between single-cell/population-averaged studies in cell biology and single-organism/population-based studies in genetics.
  • A framework for applying genetic principles to understand cellular networks.
  • Highlighting the need for improved spatiotemporal resolution in studying cellular interactions.

Conclusions:

  • Lessons from classical genetics can significantly advance the study of dynamic cellular networks.
  • Integrating genetic concepts offers a promising avenue for improving spatiotemporal analysis of cellular processes.
  • This approach can lead to a deeper understanding of mammalian cell biology.