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Sensors 2009, 9(5), 3218-3227;

Methodology and Significance of Microsensor-based Oxygen Mapping in Plant Seeds – an Overview

Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK), Corrensstr. 3, 06466 Gatersleben, Germany
Presens Precision Sensing GmbH, Josef-Engert-Strasse 11, 93053 Regensburg, Germany
Author to whom correspondence should be addressed.
Received: 17 March 2009 / Revised: 24 April 2009 / Accepted: 27 April 2009 / Published: 27 April 2009
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Germany)
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Oxygen deficiency is commonplace in seeds, and limits both their development and their germination. It is, therefore, of considerable relevance to crop production. While the underlying physiological basis of seed hypoxia has been known for some time, the lack of any experimental means of measuring the global or localized oxygen concentration within the seed has hampered further progress in this research area. The development of oxygen-sensitive microsensors now offers the capability to determine the localized oxygen status within a seed, and to study its dynamic adjustment both to changes in the ambient environment, and to the seed's developmental stage. This review illustrates the use of oxygen microsensors in seed research, and presents an overview of existing data with an emphasis on crop species. Oxygen maps, both static and dynamic, should serve to increase our basic understanding of seed physiology, as well as to facilitate upcoming breeding and biotechnology-based approaches for crop improvement. View Full-Text
Keywords: Hypoxia; microoptode; oxygen sensing; seed development; seed photosynthesis Hypoxia; microoptode; oxygen sensing; seed development; seed photosynthesis

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Rolletschek, H.; Stangelmayer, A.; Borisjuk, L. Methodology and Significance of Microsensor-based Oxygen Mapping in Plant Seeds – an Overview. Sensors 2009, 9, 3218-3227.

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