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Front Plant Sci. 2014 Jul 7;5:328. doi: 10.3389/fpls.2014.00328. eCollection 2014.

Experimental data and computational modeling link auxin gradient and development in the Arabidopsis root.

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  • 1Department of Plant and Microbial Biology, North Carolina State University, Raleigh NC, USA.

Abstract

The presence of an auxin gradient in the Arabidopsis root is crucial for proper root development and importantly, for stem cell niche (SCN) maintenance. Subsequently, developmental pathways in the root SCN regulate the formation of the auxin gradient. Combinations of experimental data and computational modeling enable the identification of pathways involved in establishing and maintaining the auxin gradient. We describe how the predictive power of these computational models is used to find how genes and their interactions tightly control the formation of an auxin maximum in the SCN. In addition, we highlight known connections between signaling pathways involving auxin and controlling patterning and development in Arabidopsis.

KEYWORDS:

Arabidopsis; auxin gradient; computational modeling; root development; stem cell niche

PMID:
25071810
PMCID:
PMC4083358
DOI:
10.3389/fpls.2014.00328

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