Modifier genes and the plasticity of genetic networks in mice.

Modifier genes are an integral part of the genetic landscape in both humans and experimental organisms, but have been less well explored in mammals than other systems. A growing number of modifier genes in mouse models of disease nonetheless illustrate the potential for novel findings, while new tec...

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Main Authors: Bruce A Hamilton, Benjamin D Yu
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2012-01-01
Series:PLoS Genetics
Online Access:http://europepmc.org/articles/PMC3325199?pdf=render
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author Bruce A Hamilton
Benjamin D Yu
author_facet Bruce A Hamilton
Benjamin D Yu
author_sort Bruce A Hamilton
collection DOAJ
description Modifier genes are an integral part of the genetic landscape in both humans and experimental organisms, but have been less well explored in mammals than other systems. A growing number of modifier genes in mouse models of disease nonetheless illustrate the potential for novel findings, while new technical advances promise many more to come. Modifier genes in mouse models include induced mutations and spontaneous or wild-derived variations captured in inbred strains. Identification of modifiers among wild-derived variants in particular should detect disease modifiers that have been shaped by selection and might therefore be compatible with high fitness and function. Here we review selected examples and argue that modifier genes derived from natural variation may provide a bias for nodes in genetic networks that have greater intrinsic plasticity and whose therapeutic manipulation may therefore be more resilient to side effects than conventional targets.
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spelling doaj.art-19036e197e8e4fab91836d6721f108c02022-12-21T18:48:57ZengPublic Library of Science (PLoS)PLoS Genetics1553-73901553-74042012-01-0184e100264410.1371/journal.pgen.1002644Modifier genes and the plasticity of genetic networks in mice.Bruce A HamiltonBenjamin D YuModifier genes are an integral part of the genetic landscape in both humans and experimental organisms, but have been less well explored in mammals than other systems. A growing number of modifier genes in mouse models of disease nonetheless illustrate the potential for novel findings, while new technical advances promise many more to come. Modifier genes in mouse models include induced mutations and spontaneous or wild-derived variations captured in inbred strains. Identification of modifiers among wild-derived variants in particular should detect disease modifiers that have been shaped by selection and might therefore be compatible with high fitness and function. Here we review selected examples and argue that modifier genes derived from natural variation may provide a bias for nodes in genetic networks that have greater intrinsic plasticity and whose therapeutic manipulation may therefore be more resilient to side effects than conventional targets.http://europepmc.org/articles/PMC3325199?pdf=render
spellingShingle Bruce A Hamilton
Benjamin D Yu
Modifier genes and the plasticity of genetic networks in mice.
PLoS Genetics
title Modifier genes and the plasticity of genetic networks in mice.
title_full Modifier genes and the plasticity of genetic networks in mice.
title_fullStr Modifier genes and the plasticity of genetic networks in mice.
title_full_unstemmed Modifier genes and the plasticity of genetic networks in mice.
title_short Modifier genes and the plasticity of genetic networks in mice.
title_sort modifier genes and the plasticity of genetic networks in mice
url http://europepmc.org/articles/PMC3325199?pdf=render
work_keys_str_mv AT bruceahamilton modifiergenesandtheplasticityofgeneticnetworksinmice
AT benjamindyu modifiergenesandtheplasticityofgeneticnetworksinmice