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Phytoglobins and nitric oxide: new partners in an old signalling system in plants

Seregélyes, Cs. and Dudits, D. (2003) Phytoglobins and nitric oxide: new partners in an old signalling system in plants. Acta Biologica Hungarica, 54 (1). pp. 15-25. ISSN 0236-5383

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Abstract

The recent review summarizes the major achievements in discovery of role of phytoglobins in mediation of nitric oxide generated cellular functions in higher plants. Genes encoding non-symbiotic hemoglobins have been cloned from several plant species. The expression pattern of these genes show tissue-specificity that is also under the control of stress factors like hypoxia. The nitric oxide has pivotal role in signalling pathway specifically in hypersensitive reactions and programmed cell death. Production of transgenic tobacco plants overexpressing the alfalfa hemoglobin showed altered necrotic symptoms after treatment with nitric oxide generating compounds or infection by necrotic pathogens. The present review helps to outline the similar relation between hemoglobin and nitric oxide in plants as it was found in animal cells.

Item Type: Article
Subjects: Q Science / természettudomány > QH Natural history / természetrajz
Depositing User: Endre Sarvay
Date Deposited: 13 Nov 2017 14:38
Last Modified: 13 Nov 2017 14:38
URI: http://real.mtak.hu/id/eprint/69803

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