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Genetic Network Complexity Shapes Background-Dependent Phenotypic Expression.

Jing Hou1, Jolanda van Leeuwen1, Brenda J Andrews1

  • 1Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, ON M5S 3E1, Canada.

Trends in Genetics : TIG
|June 16, 2018
PubMed
Summary
This summary is machine-generated.

Genetic network context influences mutation outcomes, explaining variable traits. Mapping these networks offers insights into gene function and trait predictability.

Keywords:
background effectconditional gene essentialitygenetic interactionvariable phenotypic expression

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Area of Science:

  • Genetics
  • Systems Biology
  • Molecular Biology

Background:

  • Phenotypic consequences of mutations vary due to background effects, impacting model organisms and human diseases.
  • The genetic basis for these background effects remains largely unknown.
  • Understanding genetic interactions is crucial for deciphering these variations.

Purpose of the Study:

  • To propose that the genetic network context of a mutation shapes its background-dependent phenotypes.
  • To highlight the importance of mapping genetic interaction networks for understanding gene function and trait predictability.

Main Methods:

  • Leveraging insights from large-scale genetic interaction and suppression analyses in yeast.
  • Proposing systematic mapping of genetic interaction networks beyond yeast.

Main Results:

  • The genetic network context is proposed as a key factor influencing background-dependent phenotypes.
  • Systematic mapping of genetic networks is expected to yield insights into gene function.

Conclusions:

  • Genetic network context is a significant determinant of mutation phenotypic outcomes.
  • Expanding genetic network mapping efforts will enhance understanding of background effects and trait predictability.