Modification of Secondary Metabolism and Flavonoid Biosynthesis Under Phosphate Deficiency in Bean Roots

Malusà, Eligio; Russo, Marco; Mozzetti, C.; Belligno, A.

doi:10.1080/01904160500474090

Cited by 35 publications

(29 citation statements)

References 37 publications

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“…Columns with the same letter are not significantly different according to Fisher's LSD test (Po0.05). (Malusa et al, 2006). To exclude a simple Pmediated effect through mycorrhization, we also tested the effect of P application on the isoflavone accumulation and the phytoestrogen activity.…”

Section: Discussionmentioning

confidence: 99%

Effect of mycorrhization on the isoflavone content and the phytoestrogen activity of red clover

Khaosaad

Krenn

Medjakovic

et al. 2008

Journal of Plant Physiology

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Section: Discussionmentioning

confidence: 99%

Effect of mycorrhization on the isoflavone content and the phytoestrogen activity of red clover

Khaosaad

Krenn

Medjakovic

et al. 2008

Journal of Plant Physiology

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“…(Serpen et al, 2008) observed a direct correlation in cereals between these two parameters. Even if the polyphenol component did not show any correlation with TAC in wheat plants (Yu et al, 2002), such correlability was highlighted in different bean cultivars (Malusà et al, 2006).…”

Section: Resultsmentioning

confidence: 99%

“…The organic compounds, total polyphenols, anthocyanins and ascorbic acid total and reduced, were determined as previously described (Singleton and Rossi, 1965;Malusà et al, 2006;Kampfenkel et al, 1995).…”

Section: Organic Componentsmentioning

confidence: 99%

Different availabilities of reduced nitrogen: response to oxidative stress in chicory plants

Russo¹,

Belligno²

2010

Emir. J. Food Agric

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Abstract:The aim of this work was to study the induction of the synthesis of ROSscavenging molecules and the evolution of enzymatic activities such as ascorbate peroxidase (APX) and polyphenoloxidase (PPO) as a function of different availabilities of reduced nitrogen. Chicory seedlings were grown in nutritive solution for 35 days in controlled conditions. On the 14 th day, one third of the plants was transferred into a nutritive solution containing (NH 4 ) 2 SO 4 60 mM, one third was transferred into a medium containing Urea 60 mM, and the remaining was let grow in the nutrition solution, as a control. Three samplings of leaves were performed, respectively after 21, 28 and 35 days of growth. The urea and ammonium sulphate-treated samples showed higher ascorbic acid and polyphenol contents than the control, together with a lower anthocyanins content. APX showed the highest activity in the urea-treated samples, while the highest PPO activity was to refer to samples treated with ammonium sulphate. The variations in organic components suggest an effect of the supply of reduced nitrogen on the cell redox potential, confirming the importance of fertilization for obtaining high amounts of antioxidant molecules.

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“…[31] observed a direct correlation in cereals between these two parameters. Even if the polyphenol component did not show any correlation with TAC in wheat plants [33], such correlability was highlighted in different bean cultivars [9].…”

Section: Resultsmentioning

confidence: 99%

“…The organic compounds, total polyphenols, anthocyanins and ascorbic acid total and reduced, were determined as previously described [8,9,10].…”

Section: Organic Componentsmentioning

confidence: 99%

Interaction ammonium-nitrate: Response to oxidative stress in chicory plants

Russo¹,

Veljović-Jovanović

Belligno

2010

Nature Precedings

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The aim of this work was to study, as a function of the different availability of nitrogen in the reduced form, mineral and organic, the induction of the synthesis of some ROS-scavenging molecules and the evolution of some enzymatic activities such as ascorbate peroxidase (APX) and polyphenoloxidase (PPO).Chicory seedlings were grown in nutritive solution for 35 days in controlled conditions. On the 14 th day, one third of the plants was transferred into a nutritive solution containing (NH 4 ) 2 SO 4 60 mM, one third was transferred into a medium containing Urea 60 mM, and the remaining was let grow into the nutrition solution, as a control. Three samplings of leaves were performed, respectively after 21, 28 and 35 days of growth.The urea and ammonium sulphate-treated samples showed higher ascorbic acid and polyphenol contents than the control, together with a lower anthocyanins content. APX showed the highest

show abstract

Modification of Secondary Metabolism and Flavonoid Biosynthesis Under Phosphate Deficiency in Bean Roots

Cited by 35 publications

References 37 publications

Effect of mycorrhization on the isoflavone content and the phytoestrogen activity of red clover

Effect of mycorrhization on the isoflavone content and the phytoestrogen activity of red clover

Different availabilities of reduced nitrogen: response to oxidative stress in chicory plants

Interaction ammonium-nitrate: Response to oxidative stress in chicory plants

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