Phenolics and the activities of phenylalanine ammonia-lyase, phenol-beta-glucosyltransferase and beta-glucosidase in cucumber roots as affected by phenolic allelochemicals

• Autorzy: Politycka B
• Języki publikacji: EN

Abstrakty

EN

Seven-day-old seedlings of cucumber (Cucumis sativus L.) cv. Wisconsin were treated with 0.1 mM solutions of cinnamic acid (ferulic and p-coumaric acids) and benzoic acid (p-hydroxybenzoic and vanillic acids) derivatives as stressors. The content of free and glucosylated soluble phenols and the activity of phenylalanine ammonia-lyase (E.C.4.3.1.5), phenol-β-glucosyltransferase (E.C.2.4.1.35.), and β-glucosidase (E.C.3.2.1.21.) in seedling roots as well as their length and fresh weight were examined. Changes in glucosylated phenolic content and phenol-β-glucosyltranspherase activity were observed under the influence of all phenolics applied. Treatment with ferulic and p-coumaric acids stimulated the increase of phenylalanine ammonia-lyase and β-glucosidase activity and slightly inhibited cucumber root growth.

Słowa kluczowe

EN

phenylalanine ammonia lyase; beta-glucosidase; phenol-beta-glucosyltransferase; growth; cucumber; root; Cucumis sativus; allelochemical stress

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 1998
• Tom: 20
• Numer: 4
• Opis fizyczny: p.405-410,fig.

Twórcy

autor

Politycka B

• Agricultural University, Wolynska 35, 60-637 Poznan, Poland

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