A sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity

Abstract Plant diseases are a major cause for yield losses and new strategies to control them without harming the environment are urgently needed. Plant-associated bacteria contribute to their host’s health in diverse ways, among which the emission of disease-inhibiting volatile organic compounds (V...

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Autores principales:	Delphine Chinchilla, Sébastien Bruisson, Silvan Meyer, Daniela Zühlke, Claudia Hirschfeld, Charlotte Joller, Floriane L’Haridon, Laurent Mène-Saffrané, Katharina Riedel, Laure Weisskopf
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cb33e0e50691494dbd32122fd13a092b
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spelling	oai:doaj.org-article:cb33e0e50691494dbd32122fd13a092b2021-12-02T15:12:22ZA sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity10.1038/s41598-019-55218-32045-2322https://doaj.org/article/cb33e0e50691494dbd32122fd13a092b2019-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-55218-3https://doaj.org/toc/2045-2322Abstract Plant diseases are a major cause for yield losses and new strategies to control them without harming the environment are urgently needed. Plant-associated bacteria contribute to their host’s health in diverse ways, among which the emission of disease-inhibiting volatile organic compounds (VOCs). We have previously reported that VOCs emitted by potato-associated bacteria caused strong in vitro growth inhibition of the late blight causing agent Phytophthora infestans. This work focuses on sulfur-containing VOCs (sVOCs) and demonstrates the high in planta protective potential of S-methyl methane thiosulfonate (MMTS), which fully prevented late blight disease in potato leaves and plantlets without phytotoxic effects, in contrast to other sVOCs. Short exposure times were sufficient to protect plants against infection. We further showed that MMTS’s protective activity was not mediated by the plant immune system but lied in its anti-oomycete activity. Using quantitative proteomics, we determined that different sVOCs caused specific proteome changes in P. infestans, indicating perturbations in sulfur metabolism, protein translation and redox balance. This work brings new perspectives for plant protection against the devastating Irish Famine pathogen, while opening new research avenues on the role of sVOCs in the interaction between plants and their microbiome.Delphine ChinchillaSébastien BruissonSilvan MeyerDaniela ZühlkeClaudia HirschfeldCharlotte JollerFloriane L’HaridonLaurent Mène-SaffranéKatharina RiedelLaure WeisskopfNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-15 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Delphine Chinchilla Sébastien Bruisson Silvan Meyer Daniela Zühlke Claudia Hirschfeld Charlotte Joller Floriane L’Haridon Laurent Mène-Saffrané Katharina Riedel Laure Weisskopf A sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity
description	Abstract Plant diseases are a major cause for yield losses and new strategies to control them without harming the environment are urgently needed. Plant-associated bacteria contribute to their host’s health in diverse ways, among which the emission of disease-inhibiting volatile organic compounds (VOCs). We have previously reported that VOCs emitted by potato-associated bacteria caused strong in vitro growth inhibition of the late blight causing agent Phytophthora infestans. This work focuses on sulfur-containing VOCs (sVOCs) and demonstrates the high in planta protective potential of S-methyl methane thiosulfonate (MMTS), which fully prevented late blight disease in potato leaves and plantlets without phytotoxic effects, in contrast to other sVOCs. Short exposure times were sufficient to protect plants against infection. We further showed that MMTS’s protective activity was not mediated by the plant immune system but lied in its anti-oomycete activity. Using quantitative proteomics, we determined that different sVOCs caused specific proteome changes in P. infestans, indicating perturbations in sulfur metabolism, protein translation and redox balance. This work brings new perspectives for plant protection against the devastating Irish Famine pathogen, while opening new research avenues on the role of sVOCs in the interaction between plants and their microbiome.
format	article
author	Delphine Chinchilla Sébastien Bruisson Silvan Meyer Daniela Zühlke Claudia Hirschfeld Charlotte Joller Floriane L’Haridon Laurent Mène-Saffrané Katharina Riedel Laure Weisskopf
author_facet	Delphine Chinchilla Sébastien Bruisson Silvan Meyer Daniela Zühlke Claudia Hirschfeld Charlotte Joller Floriane L’Haridon Laurent Mène-Saffrané Katharina Riedel Laure Weisskopf
author_sort	Delphine Chinchilla
title	A sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity
title_short	A sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity
title_full	A sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity
title_fullStr	A sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity
title_full_unstemmed	A sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity
title_sort	sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/cb33e0e50691494dbd32122fd13a092b
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A sulfur-containing volatile emitted by potato-associated bacteria confers protection against late blight through direct anti-oomycete activity

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