http://www.cnr.it/ontology/cnr/individuo/prodotto/ID173254
Relationship of secondary metabolism to growth in oregano (Origanum vulgare L.) shoot cultures under nutritional stress (Articolo in rivista)
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- Relationship of secondary metabolism to growth in oregano (Origanum vulgare L.) shoot cultures under nutritional stress (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Alternative label
Lattanzio V., Cardinali A., Ruta C., Morone Fortunato I., Lattanzio V.M.T., Linsalata V., Cicco N. (2009)
Relationship of secondary metabolism to growth in oregano (Origanum vulgare L.) shoot cultures under nutritional stress
in Environmental and experimental botany
(literal)
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- Lattanzio V., Cardinali A., Ruta C., Morone Fortunato I., Lattanzio V.M.T., Linsalata V., Cicco N. (literal)
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- Lattanzio V. - Dipartimento di Scienze Agro-Ambientali Chimica e Difesa Vegetale, Facoltà di Agraria, Università degli Studi di Foggia,
Cardinali A., Lattanzio V.M.T., Linsalata V. - Istituto di Scienze delle Produzioni Alimentari - CNR, Via Amendola 122/O, 70126 Bari, Italy
Ruta C., Morone Fortnato I. - Dipartimento di Scienze delle Produzioni Vegetali, Facoltà di Agraria, Università degli Studi di Bari, Via Amendola 165/A, 70126 Bari, Italy
Cicco N. - Istituto di Metodologie per lAnalisi Ambientale - CNR, Contrada S. Loja - C.P. 27, 85050 Tito Scalo-Potenza, Italy (literal)
- Titolo
- Relationship of secondary metabolism to growth in oregano (Origanum vulgare L.) shoot cultures under nutritional stress (literal)
- Abstract
- Micropropagation of Origanum vulgare L. by shoot buds, as a potential model system for studying carbon skeleton diversion from growth to secondary metabolism as adaptive response to nutrient deficiency, has been performed. In addition, the antioxidant phenolic compounds, produced by shoots under nutritional stress or in response to exogenously added proline, have been studied. Caffeic acid, rosmarinic acid, and lithospermic acid B have been isolated in oregano shoot cultures by reversed-phase high-performance liquid chromatography, and their structures have been elucidated by tandem mass spectrometry. Both nutritional stress, which in turn causes a moderate increase of constitutive free proline, and exogenous proline affect growth and antioxidant phenolic content of oregano shoots, compared to control.
The role of proline, and the associated redox cycle, as a form of metabolic signaling based on a transfer of redox potential amongst interacting cell pathways, which in turn elicit phenolic metabolism via stimulated carbon flux through oxidative pentose phosphate pathway, is discussed. Furthermore, the potential use of oregano tissue and callus cultures as a new strategy to enable the production of useful secondary metabolites on a commercial scale is also discussed. (literal)
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