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Related Concept Videos

Gene Conversion02:08

Gene Conversion

Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
Gene Conversion02:08

Gene Conversion

Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
Chromosomal Theory of Inheritance01:39

Chromosomal Theory of Inheritance

In 1866, Gregor Mendel published the results of his pea plant breeding experiments, providing evidence for predictable patterns in the inheritance of physical characteristics. The significance of his findings was not immediately recognized. In fact, the existence of genes was unknown at the time. Mendel referred to hereditary units as “factors.”
Dihybrid Crosses01:18

Dihybrid Crosses

Overview
Dihybrid Crosses01:18

Dihybrid Crosses

Overview
Conservative Site-specific Recombination and Phase Variation02:53

Conservative Site-specific Recombination and Phase Variation

Because the DNA segments are cut and reorganized in a direction-specific manner, site-specific recombination has emerged as an efficient genetic engineering technique. Flippase and Cyclization recombinases or Flp and Cre, respectively, are two members of the tyrosine recombinase family derived from bacteriophages, that are used to mediate site-specific DNA insertions, deletions, and targeted expression of proteins in mammalian cell lines.
The recognition sites for Cre recombinase called LoxP...

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Related Experiment Video

Updated: Jun 28, 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

Combination chemical genetics.

Joseph Lehár1, Brent R Stockwell, Guri Giaever

  • 1CombinatoRx Incorporated, 245 First Street, Cambridge, Massachusetts 02142, USA. jlehar@combinatorx.com

Nature Chemical Biology
|October 22, 2008
PubMed
Summary
This summary is machine-generated.

Combination chemical genetics uses multiple perturbations to understand complex biological systems and aid medical discoveries. This approach combines chemical and genetic methods for deeper biological insights.

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Last Updated: Jun 28, 2026

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Area of Science:

  • Systems biology
  • Chemical genetics
  • Genomics

Background:

  • Predicting organism behavior is complex, requiring large datasets from physical binding and perturbation studies.
  • Genetic perturbations, aided by mutant libraries, are crucial for modeling biological systems.
  • Small-molecule chemical perturbagens offer a complementary approach, especially for essential genes.

Purpose of the Study:

  • To review the current state of combination chemical genetics.
  • To discuss future directions for this systematic approach.
  • To highlight its utility in gaining biological insights and facilitating medical discoveries.

Main Methods:

  • Systematic application of multiple chemical perturbations.
  • Integration of mixed chemical and genetic perturbations.
  • Leveraging large datasets from perturbation studies.

Main Results:

  • Single perturbations associate components with pathways/phenotypes.
  • Combined perturbations reveal functional relationships between pathways and modules.
  • Combination chemical genetics enhances understanding of biological complexity.

Conclusions:

  • Combination chemical genetics is a powerful strategy for systems biology.
  • This approach facilitates biological insights and medical discoveries.
  • Future directions involve systematic application of multiple perturbations.