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Endophytic Bacteria and Essential Oil from Origanum vulgare ssp. vulgare Share Some VOCs with an Antibacterial Activity

Medicinal aromatic plants’ essential oils (EOs) are mixtures of volatile compounds showing antimicrobial activity, which could be exploited to face the emerging problem of multi-drug resistance. Their chemical composition can depend on the interactions between the plant and its endophytic microbiota...

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Autores principales: Polito, Giulia, Semenzato, Giulia, Del Duca, Sara, Castronovo, Lara Mitia, Vassallo, Alberto, Chioccioli, Sofia, Borsetti, Duccio, Calabretta, Vittoria, Puglia, Anna Maria, Fani, Renato, Palumbo Piccionello, Antonio
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9320186/
https://www.ncbi.nlm.nih.gov/pubmed/35889143
http://dx.doi.org/10.3390/microorganisms10071424
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author Polito, Giulia
Semenzato, Giulia
Del Duca, Sara
Castronovo, Lara Mitia
Vassallo, Alberto
Chioccioli, Sofia
Borsetti, Duccio
Calabretta, Vittoria
Puglia, Anna Maria
Fani, Renato
Palumbo Piccionello, Antonio
author_facet Polito, Giulia
Semenzato, Giulia
Del Duca, Sara
Castronovo, Lara Mitia
Vassallo, Alberto
Chioccioli, Sofia
Borsetti, Duccio
Calabretta, Vittoria
Puglia, Anna Maria
Fani, Renato
Palumbo Piccionello, Antonio
author_sort Polito, Giulia
collection PubMed
description Medicinal aromatic plants’ essential oils (EOs) are mixtures of volatile compounds showing antimicrobial activity, which could be exploited to face the emerging problem of multi-drug resistance. Their chemical composition can depend on the interactions between the plant and its endophytic microbiota, which is known to synthesize volatile organic compounds (VOCs). However, it is still not clear whether those volatile metabolites can contribute to the composition of the aroma profile of plants’ EOs. The aims of this study were to characterize medicinal plant O. vulgare ssp. vulgare bacterial endophyte VOCs, evaluating their ability to antagonize the growth of opportunistic human pathogens belonging to the Burkholderia cepacia complex (Bcc) and compare them with O. vulgare EO composition. Many of the tested endophytic strains showed (i) a bactericidal and/or bacteriostatic activity against most of Bcc strains and (ii) the production of VOCs with widely recognized antimicrobial properties, such as dimethyl disulfide, dimethyl trisulfide, and monoterpenes. Moreover, these monoterpenes were also detected in the EOs extracted from the same O. vulgare plants from which endophytes were isolated. Obtained results suggest that endophytes could also play a role in the antibacterial properties of O. vulgare ssp. vulgare and, potentially, in determining its aromatic composition.
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spelling pubmed-93201862022-07-27 Endophytic Bacteria and Essential Oil from Origanum vulgare ssp. vulgare Share Some VOCs with an Antibacterial Activity Polito, Giulia Semenzato, Giulia Del Duca, Sara Castronovo, Lara Mitia Vassallo, Alberto Chioccioli, Sofia Borsetti, Duccio Calabretta, Vittoria Puglia, Anna Maria Fani, Renato Palumbo Piccionello, Antonio Microorganisms Article Medicinal aromatic plants’ essential oils (EOs) are mixtures of volatile compounds showing antimicrobial activity, which could be exploited to face the emerging problem of multi-drug resistance. Their chemical composition can depend on the interactions between the plant and its endophytic microbiota, which is known to synthesize volatile organic compounds (VOCs). However, it is still not clear whether those volatile metabolites can contribute to the composition of the aroma profile of plants’ EOs. The aims of this study were to characterize medicinal plant O. vulgare ssp. vulgare bacterial endophyte VOCs, evaluating their ability to antagonize the growth of opportunistic human pathogens belonging to the Burkholderia cepacia complex (Bcc) and compare them with O. vulgare EO composition. Many of the tested endophytic strains showed (i) a bactericidal and/or bacteriostatic activity against most of Bcc strains and (ii) the production of VOCs with widely recognized antimicrobial properties, such as dimethyl disulfide, dimethyl trisulfide, and monoterpenes. Moreover, these monoterpenes were also detected in the EOs extracted from the same O. vulgare plants from which endophytes were isolated. Obtained results suggest that endophytes could also play a role in the antibacterial properties of O. vulgare ssp. vulgare and, potentially, in determining its aromatic composition. MDPI 2022-07-14 /pmc/articles/PMC9320186/ /pubmed/35889143 http://dx.doi.org/10.3390/microorganisms10071424 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Polito, Giulia
Semenzato, Giulia
Del Duca, Sara
Castronovo, Lara Mitia
Vassallo, Alberto
Chioccioli, Sofia
Borsetti, Duccio
Calabretta, Vittoria
Puglia, Anna Maria
Fani, Renato
Palumbo Piccionello, Antonio
Endophytic Bacteria and Essential Oil from Origanum vulgare ssp. vulgare Share Some VOCs with an Antibacterial Activity
title Endophytic Bacteria and Essential Oil from Origanum vulgare ssp. vulgare Share Some VOCs with an Antibacterial Activity
title_full Endophytic Bacteria and Essential Oil from Origanum vulgare ssp. vulgare Share Some VOCs with an Antibacterial Activity
title_fullStr Endophytic Bacteria and Essential Oil from Origanum vulgare ssp. vulgare Share Some VOCs with an Antibacterial Activity
title_full_unstemmed Endophytic Bacteria and Essential Oil from Origanum vulgare ssp. vulgare Share Some VOCs with an Antibacterial Activity
title_short Endophytic Bacteria and Essential Oil from Origanum vulgare ssp. vulgare Share Some VOCs with an Antibacterial Activity
title_sort endophytic bacteria and essential oil from origanum vulgare ssp. vulgare share some vocs with an antibacterial activity
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9320186/
https://www.ncbi.nlm.nih.gov/pubmed/35889143
http://dx.doi.org/10.3390/microorganisms10071424
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