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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...
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Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...

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Updated: May 7, 2026

Rapid Identification of Chemical Genetic Interactions in Saccharomyces cerevisiae
12:13

Rapid Identification of Chemical Genetic Interactions in Saccharomyces cerevisiae

Published on: April 5, 2015

Forward chemical genetic screening.

Hyunmo Choi1, Jun-Young Kim, Young Tae Chang

  • 1Department of Life Science, Pohang University of Science and Technology, Pohang, Republic of Korea.

Methods in Molecular Biology (Clifton, N.J.)
|September 24, 2013
PubMed
Summary
This summary is machine-generated.

Chemical genetics uses small molecules for reversible biological process alteration, offering dose-dependent control. This chapter details forward chemical genetic screening, including target identification and validation for improved specificity.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Genetics

Background:

  • Chemical genetics offers reversible, dose-dependent control over biological processes, contrasting with permanent genetic alterations.
  • It provides a powerful alternative to conventional genetics for studying cellular functions.

Purpose of the Study:

  • To describe the general procedures of forward chemical genetic screening.
  • To highlight methods for identifying and validating small molecule targets in biological systems.

Main Methods:

  • Forward chemical genetic screening involves identifying bioactive small molecules, determining their cellular targets, and validating target specificity.
  • A tagged chemical library approach is introduced to facilitate target protein identification.
  • Validation methods include competition assays and genetic studies using modified organisms.

Main Results:

  • The described methods enable the identification of small molecules that induce specific phenotypic changes.
  • A novel tagged chemical library approach simplifies the identification of protein targets.
  • Target validation ensures specificity and minimizes pleiotropic effects of small molecules.

Conclusions:

  • Forward chemical genetic screening is a robust method for dissecting biological pathways.
  • The tagged chemical library approach enhances the efficiency of target identification in chemical genetics.
  • Rigorous target validation is crucial for reliable results in chemical genetics studies.