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Cell. 2011 Mar 18;144(6):910-25. doi: 10.1016/j.cell.2011.01.030.

Cellular decision making and biological noise: from microbes to mammals.

Author information

  • 1Department of Systems Biology-Unit 950, The University of Texas MD Anderson Cancer Center, 7435 Fannin Street, Houston, TX 77054, USA.

Abstract

Cellular decision making is the process whereby cells assume different, functionally important and heritable fates without an associated genetic or environmental difference. Such stochastic cell fate decisions generate nongenetic cellular diversity, which may be critical for metazoan development as well as optimized microbial resource utilization and survival in a fluctuating, frequently stressful environment. Here, we review several examples of cellular decision making from viruses, bacteria, yeast, lower metazoans, and mammals, highlighting the role of regulatory network structure and molecular noise. We propose that cellular decision making is one of at least three key processes underlying development at various scales of biological organization.

Copyright © 2011 Elsevier Inc. All rights reserved.

PMID:
21414483
[PubMed - indexed for MEDLINE]
PMCID:
PMC3068611
Free PMC Article

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