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Noise in Gene Expression: Origins, Consequences, and Control

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Journal Science
Specialty Science
Date 2005 Sep 24
PMID 16179466
Citations 677
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Abstract

Genetically identical cells and organisms exhibit remarkable diversity even when they have identical histories of environmental exposure. Noise, or variation, in the process of gene expression may contribute to this phenotypic variability. Recent studies suggest that this noise has multiple sources, including the stochastic or inherently random nature of the biochemical reactions of gene expression. In this review, we summarize noise terminology and comment on recent investigations into the sources, consequences, and control of noise in gene expression.

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