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Curr Opin Plant Biol. 2013 Feb;16(1):56-61. doi: 10.1016/j.pbi.2012.11.004. Epub 2012 Dec 7.

The roles of peptide hormones during plant root development.

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Department of Biology and Duke Center for Systems Biology, Duke University, Durham, NC 27708, USA.


Peptide hormones are a key mechanism that plants use for cell-cell interactions; these interactions function to coordinate development, growth, and environmental responses among different cells. Peptide signals are produced by one cell and received by receptors in neighboring cells. It has previously been reported that peptide hormones regulate various aspects of plant development. The mechanism of action of peptides in the shoot is well known. However, the function of peptides in the root has been relatively uncharacterized. Recent studies have discovered important roles for peptide hormones in the development of the root meristem, lateral roots, and nodules. In this review, we focus on current findings regarding the function of peptide hormones in root development.

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