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Citral Induces Auxin and Ethylene-Mediated Malformations and Arrests Cell Division in Arabidopsis thaliana Roots

AutorGraña, Elisa; Sotelo Pérez, Tamara ; Díaz-Tielas, Carla; Araniti, F.; Krasuska, U.; Bogatek, R.; Reigosa, Manuel J.; Sánchez-Moreiras, Adela M.
Palabras claveMitotic index
Mode of action
Long-term effects
Pectin content
Fecha de publicaciónfeb-2013
CitaciónJournal of Chemical Ecology 39 (2): 271- 282 (2013)
ResumenCitral is a linear monoterpene which is present, as a volatile component, in the essential oil of several different aromatic plants. Previous studies have demonstrated the ability of citral to alter the mitotic microtubules of plant cells, especially at low concentrations. The changes to the microtubules may be due to the compound acting directly on the treated root and coleoptile cells or to indirect action through certain phytohormones. This study, performed in Arabidopsis thaliana, analysed the short-term effects of citral on the auxin content and mitotic cells, and the long-term effects of these alterations on root development and ethylene levels. The results of this study show that citral alters auxin content and cell division and has a strong long-term disorganising effect on cell ultra-structure in A. thaliana seedlings. Its effects on cell division, the thickening of the cell wall, the reduction in intercellular communication, and the absence of root hairs confirm that citral is a strong phytotoxic compound, which has persistent effects on root development. © 2013 Springer Science+Business Media New York.
Versión del editorhttp://dx.doi.org/10.1007/s10886-013-0250-y
Identificadoresdoi: 10.1007/s10886-013-0250-y
issn: 0098-0331
e-issn: 1573-1561
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