[article] | Titre : | In vitro culture of the endangered plant Eryngium viviparum as dual strategy for its ex situ conservation and source of bioactive compounds | | Type de document : | périodique | | Auteurs : | Manuel Ayuso, Auteur ; Pascual García-Pérez, Auteur ; Pablo Ramil-Rego, Auteur ; Pedro Gallego, Auteur ; Esther Barreal, Auteur | | Année de publication : | 2019 | | Article en page(s) : | pp. 427-435 | | Langues : | Anglais | | Catégories : | [Espèces (in biblio)] Eryngium viviparum
| | Mots-clés : | plante endémique plante menacée conservation culture in vitro conservation ex situ | | Résumé : | "Different Eryngium species have been used with ornamental, agricultural and medicinal purposes, as a consequence of their chemical constituents. In the southwest Europe the endemic Eryngium viviparum, presents a high risk of extinction and ex situ strategies are high recommended for efficient conservation and re-introduction program. The objective of this study was to satisfy a dual objective: (i) to develop an ex situ conservation strategy through micropropagation and (ii) taking advantage of the extraordinary potential of plant tissue culture, produce a considerable amount of plant material to carry out a preliminary phytochemical study, based on the accumulation of phenolic compounds and their associated antioxidant activity. First a factorial design was conducted in order to study the effect of two cytokinins (6- benzylaminopurine, BAP, and kinetin, KIN), at three levels (0, 1 and 2 mg L−1), on shoot multiplication. Later another factorial design was applied, by using three levels of MS medium salt strength (full, half and quarter- strength) and four sucrose levels (0, 1, 2, and 3%) for improving shoot elongation and rooting. In parallel, a preliminary quantification of total phenolic and flavonoid contents from E. viviparum aerial parts was determined. The simple micropropagation protocol designed allowed obtaining a high rates of shoot multiplication (5.1–5.8 new shoots), rooting (100%) with healthy long roots (3.1–3.5 cm) and plantlet acclimatization (96%). Moderate antioxidant activity was recorded in hydromethanolic extracts from E. viviparum aerial parts. High correlation between total phenolic content and BAP levels in the culture media was found. In conclusion, the micropropagation procedure described here for the endangered E. viviparum can be used as new and very efficient ex situ conservation strategy, and as potential source of antioxidants, conferring an added-value to this plant." (source : auteurs) | | Type de publication : | périodique | | Référence biblio : | Ayuso M., García-Pérez P., Ramil-Rego P., Gallego P., Barreal E., 2019 - In vitro culture of the endangered plant Eryngium viviparum as dual strategy for its ex situ conservation and source of bioactive compounds. Plant Cell, Tissue and Organ Culture, 138 : 427-435. | | ID PMB : | 69165 | | Permalink : | http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=69165 |
in Plant Cell, Tissue and Organ Culture > vol. 138 (Année 2019) . - pp. 427-435
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trié(s) par (Pertinence décroissant(e), Titre croissant(e)) Affiner la recherche Générer le flux rss de la rechercheEx situ collections and their potential for the restoration of extinct plants in Conservation Biology, vol. 34, n°2 (Année 2020)
Conservation ex situ des plantes rares et/ou en régression en Loire-Atlantique, Maine-et-Loire, Mayenne et Vendée par le CBN de Brest. Bilan des actions réalisées et propositions d'orientations pour une stratégie de conservation ex situ (2011)
