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    Curr Opin Plant Biol. 2009 Apr;12(2):165-71. Epub 2008 Dec 29.

    Functional genomics of root growth and development in Arabidopsis.

    Source

    Duke University, Department of Biology and Center for Systems Biology, United States.

    Abstract

    Roots are vital for the uptake of water and nutrients, and for anchorage in the soil. They are highly plastic, able to adapt developmentally and physiologically to changing environmental conditions. Understanding the molecular mechanisms behind this growth and development requires knowledge of root transcriptomics, proteomics, and metabolomics. Genomics approaches, including the recent publication of a root expression map, root proteome, and environment-specific root expression studies, are uncovering complex transcriptional and post-transcriptional networks underlying root development. The challenge is in further capitalizing on the information in these datasets to understand the fundamental principles of root growth and development. In this review, we highlight progress researchers have made toward this goal.

    PMID:
    19117793
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC2683257
    Free PMC Article

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