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Título: | The use of isoenzymes in characterization of grapevines (Vitis vinifera, L.). Influence of the environment and time of sampling |
Autor: | Royo, José Bernardo; Cabello, Félix; Miranda, S.; Gogorcena Aoiz, Yolanda CSIC ORCID ; González, J.; Moreno Vázquez, Santiago; Itoiza, R.; Ortiz, Jesús María | Palabras clave: | Acid phosphatase Catechol oxidase Esterases Glutamate oxalacetate transaminase Identification Peroxidases |
Fecha de publicación: | may-1997 | Editor: | Elsevier | Citación: | Scientia Horticulturae 69 (3-4): 145–155 (1997) | Resumen: | Isoenzymes from grapevine woody stems and shoots were evaluated for their use in identification of varieties and clones. Plant extracts were separated by polyacrylamide gel electrophoresis. Isoenzyme analysis was carried out for esterases, peroxidases, catechol oxidase, glutamate oxalacetate transaminase and acid phosphatase. The plant material was grown and sampled at two localities in Spain, with different climatic conditions. Sampling was carried out bimonthly for two consecutive years in order to find out the influence of the environment and time of the year. Each isozyme system had a pattern defined by ‘fixed’ bands, that were always present at both localities and during the resting period of the plant (fall—winter). Esterases had a pattern with very few ‘fixed’ bands. Catechol oxidase was the most polymorphic system, thus being highly discriminating. The studied isoenzyme systems gave differences among varieties, although not among clones of the same variety. The use of this methodology for identification of grapevine plant material is discussed. | Descripción: | 11 Pags.- 6 Tabls.- 2 Figs. | Versión del editor: | http://dx.doi.org/10.1016/S0304-4238(97)00007-1 | URI: | http://hdl.handle.net/10261/122072 | DOI: | 10.1016/S0304-4238(97)00007-1 | ISSN: | 0304-4238 |
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