alexa Dynamic Element Concentrations and Similar Proteome of
ISSN: 2329-9029

Journal of Plant Biochemistry & Physiology
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Research Article

Dynamic Element Concentrations and Similar Proteome of the Rhizome and Root of Miscanthus X Gigantheus

Liu Y, Yang H and Ludewig U*
Institute of Crop Science, Nutritional Crop Physiology (340h), University of Hohenheim, Fruwirthstr. 20, D-70593 Stuttgart, Germany
Corresponding Author : Uwe Ludewig
Institute of Crop Science
Nutritional Crop Physiology (340h), University of Hohenheim
Fruwirthstr. 20, D-70593 Stuttgart, Germany
Tel: +49 (0) 711 - 459 22344
Fax: +49 (0) 711 - 459 23295
E-mai: [email protected]
Received October 28, 2014; Accepted November 28, 2014; Published December 02, 2014
Citation:Liu Y, Yang H, Ludewig U (2014) Dynamic Element Concentrations and Similar Proteome of the Rhizome and Root of Miscanthus X Gigantheus. J Plant Biochem Physiol 2:139. doi doi:10.4172/2329-9029.1000139
Copyright: ©2014 Liu Y et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

In the perennial biomass grass Miscanthus, the rhizome, a below-ground storage organ, is important for its nutrient-efficiency. Here, macro- and microelements in the rhizome and other organs were measured in different seasons. All nutrient concentrations were generally low, indicating high nutrient efficiency to build up biomass, and differed markedly between the organs, including root and rhizome. Active translocation from the shoots increased the rhizome N and P concentrations. After the growth period, most elements remained constant in the shoot. Although the rhizome and the root massively differed in their elemental concentrations, morphology and structure, their proteome was highly similar when analyzed by 2D-gel analysis. Only ~10% of the detected proteins differed, with stress-related proteins found more abundant in the rhizome and glycolysis-related proteins higher expressed in the root. The highly similar proteome of rhizomes and roots suggests major functional similarities in sub-surface organs, despite clear morphological, structural and nutritional differences.

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