Branching out in roots: uncovering form, function, and regulation

Atkinson, Jonathan A. and Rasmussen, Amanda and Traini, Richard and Voss, Ute and Sturrock, Craig and Mooney, Sacha J. and Wells, Darren M. and Bennett, Malcolm J. (2014) Branching out in roots: uncovering form, function, and regulation. Plant Physiology, 166 (2). pp. 538-550. ISSN 0032-0889

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Abstract

Root branching is critical for plants to secure anchorage and ensure the supply of water, minerals, and nutrients. To date, research on root branching has focused on lateral root development in young seedlings. However, many other programs of postembryonic root organogenesis exist in angiosperms. In cereal crops, the majority of the mature root system is composed of several classes of adventitious roots that include crown roots and brace roots. In this Update, we initially describe the diversity of postembryonic root forms. Next, we review recent advances in our understanding of the genes, signals, and mechanisms regulating lateral root and adventitious root branching in the plant models Arabidopsis (Arabidopsis thaliana), maize (Zea mays), and rice (Oryza sativa). While many common signals, regulatory components, and mechanisms have been identified that control the initiation, morphogenesis, and emergence of new lateral and adventitious root organs, much more remains to be done. We conclude by discussing the challenges and opportunities facing root branching research.

Item Type: Article
Additional Information: Toll-free link: http://www.plantphysiol.org/cgi/content/short/pp.114.245423?keytype=ref&ijkey=aTlW5UljGbakIMb
Schools/Departments: University of Nottingham UK Campus > Faculty of Science > School of Biosciences > Division of Agricultural and Environmental Sciences
University of Nottingham UK Campus > Faculty of Science > School of Biosciences > Division of Plant and Crop Sciences
Identification Number: https://doi.org/10.1104/pp.114.245423
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Depositing User: Wells, Darren
Date Deposited: 19 Oct 2015 09:28
Last Modified: 17 Sep 2016 21:48
URI: http://eprints.nottingham.ac.uk/id/eprint/30481

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