2004
DOI: 10.1016/j.plaphy.2004.06.010
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Alkaloid metabolism in wounded Catharanthus roseus seedlings

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Cited by 39 publications
(29 citation statements)
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“…The results of this study confirm that the damage caused to plants by disturbances in the plant tissues favors biochemical responses, such as those reported by Vázquez-Flota et al 18 and that these mechanical damages can induce increases in concentrations of certain compounds in the plants, as in the case of kinetin. This increase is likely linked to the production of new tissues for the regeneration of the aerial part of the affected plant.…”
Section: Discussionsupporting
confidence: 91%
“…The results of this study confirm that the damage caused to plants by disturbances in the plant tissues favors biochemical responses, such as those reported by Vázquez-Flota et al 18 and that these mechanical damages can induce increases in concentrations of certain compounds in the plants, as in the case of kinetin. This increase is likely linked to the production of new tissues for the regeneration of the aerial part of the affected plant.…”
Section: Discussionsupporting
confidence: 91%
“…With the same Bondclone column, quantification of ajmalicine, serpentine, tabersonine, hö rhammericine and lochnericine was successful using an isocratic elution at 1 ml min -1 (Table 7). Alkaloids metabolism in wounded seedlings was studied by Vazquez-Flota et al (2004) using the method previously developed by Aerts et al (1994) in a study on the effect of methyl jasmonate vapor on C. roseus seedlings. The method developed by for screening secondary metabolites in hairy roots, was recently used for the analysis of the accumulation of alkaloids in different plant cultivars (Dutta et al 2005).…”
Section: Hplc Methods For the Analysis Of Tiasmentioning
confidence: 99%
“…Fatores mecânicos aos quais as plantas estão susceptíveis, tais como ferimentos, ou mesmo meros estímulos, causados por chuva, granizo, vento, areia, invasão por patógenos e pastagem de herbívoros, também podem influenciar a expressão do metabolismo secundário 5,141,153,154 .…”
Section: Indução Por Estímulos Mecânicos Ou Ataque De Patógenosunclassified
“…A danificação artificial em plântulas de Catharanthus roseus, por ex., resultou em um aumento de cerca de 100% no conteúdo dos alcalóides ajmalicina (Figura 9b) e vindolina 48 h após o tratamento; em contraste, o conteúdo de catarantina não sofreu alterações significativas 153 . O acúmulo de alcalóides indólicos monoterpênicos em vinca também se mostrou estimulado pela danificação em folhas jovens, enquanto não foram observadas alterações metabólicas em folhas maduras, o que sugere um maior comprometimento implícito da proteção química com os tecidos mais jovens em relação aos já desenvolvidos 100 .…”
Section: Indução Por Estímulos Mecânicos Ou Ataque De Patógenosunclassified