Plant-endophytes Interaction Influences the Secondary Metabolism in Echinacea Purpurea (L.) Moench: an in Vitro Model

Overview

Journal Sci Rep

Specialty Science

Date 2017 Dec 7

PMID 29208923

Citations 32

Authors

Valentina Maggini

Marinella De Leo

Alessio Mengoni

Eugenia Rosaria Gallo

Elisangela Miceli

Rose Vanessa Bandeira Reidel

Sauro Biffi

Luisa Pistelli

Renato Fani

Fabio Firenzuoli

Patrizia Bogani

Affiliations

Soon will be listed here.

Abstract

The influence of the interaction(s) between the medicinal plant Echinacea purpurea (L.) Moench and its endophytic communities on the production of alkamides is investigated. To mimic the in vivo conditions, we have set up an infection model of axenic in vitro E. purpurea plants inoculated with a pool of bacterial strains isolated from the E. purpurea stems and leaves. Here we show different alkamide levels between control (not-inoculated) and inoculated plants, suggesting that the alkamide biosynthesis may be modulated by the bacterial infection. Then, we have analysed the branched-chain amino acids (BCCA) decarboxylase gene (GenBank Accession #LT593930; the enzymatic source for the amine moiety formation of the alkamides) expression patterns. The expression profile shows a higher expression level in the inoculated E. purpurea tissues than in the control ones. These results suggest that the plant-endophyte interaction can influence plant secondary metabolism affecting the therapeutic properties of E. purpurea.

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