Metabolomics Analyses Reveal Metabolites Affected by Plant Growth-Promoting Endophytic Bacteria in Roots of the Halophyte <i>Mesembryanthemum crystallinum</i>

<i>Mesembryanthemum crystallinum</i> L. (common ice plant) is an edible halophyte. However, if ice plants are used to phytoremediate salinity soil, there are problems of slow initial growth, and a long period before active NaCl uptake occurs under higher salinity conditions. Application...

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Autores principales:	Ryota Kataoka, Mami Akashi, Takeshi Taniguchi, Yoshiyuki Kinose, Ahmet Emre Yaprak, Oguz Can Turgay
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Mesembryanthemum crystallinum</i> endophytic bacteria plant growth-promoting bacteria metabolome <i>Microbacterium</i> spp. <i>Streptomyces</i> spp. Biology (General) QH301-705.5 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/7e5fb54654ef40af9d13593fc587d019
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spelling	oai:doaj.org-article:7e5fb54654ef40af9d13593fc587d0192021-11-11T17:15:16ZMetabolomics Analyses Reveal Metabolites Affected by Plant Growth-Promoting Endophytic Bacteria in Roots of the Halophyte <i>Mesembryanthemum crystallinum</i>10.3390/ijms2221118131422-00671661-6596https://doaj.org/article/7e5fb54654ef40af9d13593fc587d0192021-10-01T00:00:00Zhttps://www.mdpi.com/1422-0067/22/21/11813https://doaj.org/toc/1661-6596https://doaj.org/toc/1422-0067<i>Mesembryanthemum crystallinum</i> L. (common ice plant) is an edible halophyte. However, if ice plants are used to phytoremediate salinity soil, there are problems of slow initial growth, and a long period before active NaCl uptake occurs under higher salinity conditions. Application of endophytic bacteria may improve the problem, but there remain gaps in our understanding of how endophytic bacteria affect the growth and the biochemical and physiological characteristics of ice plants. The aims of this study were to identify growth-promoting endophytic bacteria from the roots of ice plants and to document the metabolomic response of ice plants after application of selected endophytic bacteria. Two plant growth-promoting endophytic bacteria were selected on the basis of their ability to promote ice plant growth. The two strains putatively identified as <i>Microbacterium</i> spp. and <i>Streptomyces</i> spp. significantly promoted ice plant growth, at 2-times and 2.5-times, respectively, compared with the control and also affected the metabolome of ice plants. The strain of <i>Microbacterium</i> spp. resulted in increased contents of metabolites related to the tricarboxylic acid cycle and photosynthesis. The effects of salt stress were alleviated in ice plants inoculated with the endobacterial strains, compared with uninoculated plants. A deeper understanding of the complex interplay among plant metabolites will be useful for developing microbe-assisted soil phytoremediation strategies, using <i>Mesembryanthemum</i> species.Ryota KataokaMami AkashiTakeshi TaniguchiYoshiyuki KinoseAhmet Emre YaprakOguz Can TurgayMDPI AGarticle<i>Mesembryanthemum crystallinum</i>endophytic bacteriaplant growth-promoting bacteriametabolome<i>Microbacterium</i> spp.<i>Streptomyces</i> spp.Biology (General)QH301-705.5ChemistryQD1-999ENInternational Journal of Molecular Sciences, Vol 22, Iss 11813, p 11813 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Mesembryanthemum crystallinum</i> endophytic bacteria plant growth-promoting bacteria metabolome <i>Microbacterium</i> spp. <i>Streptomyces</i> spp. Biology (General) QH301-705.5 Chemistry QD1-999
spellingShingle	<i>Mesembryanthemum crystallinum</i> endophytic bacteria plant growth-promoting bacteria metabolome <i>Microbacterium</i> spp. <i>Streptomyces</i> spp. Biology (General) QH301-705.5 Chemistry QD1-999 Ryota Kataoka Mami Akashi Takeshi Taniguchi Yoshiyuki Kinose Ahmet Emre Yaprak Oguz Can Turgay Metabolomics Analyses Reveal Metabolites Affected by Plant Growth-Promoting Endophytic Bacteria in Roots of the Halophyte <i>Mesembryanthemum crystallinum</i>
description	<i>Mesembryanthemum crystallinum</i> L. (common ice plant) is an edible halophyte. However, if ice plants are used to phytoremediate salinity soil, there are problems of slow initial growth, and a long period before active NaCl uptake occurs under higher salinity conditions. Application of endophytic bacteria may improve the problem, but there remain gaps in our understanding of how endophytic bacteria affect the growth and the biochemical and physiological characteristics of ice plants. The aims of this study were to identify growth-promoting endophytic bacteria from the roots of ice plants and to document the metabolomic response of ice plants after application of selected endophytic bacteria. Two plant growth-promoting endophytic bacteria were selected on the basis of their ability to promote ice plant growth. The two strains putatively identified as <i>Microbacterium</i> spp. and <i>Streptomyces</i> spp. significantly promoted ice plant growth, at 2-times and 2.5-times, respectively, compared with the control and also affected the metabolome of ice plants. The strain of <i>Microbacterium</i> spp. resulted in increased contents of metabolites related to the tricarboxylic acid cycle and photosynthesis. The effects of salt stress were alleviated in ice plants inoculated with the endobacterial strains, compared with uninoculated plants. A deeper understanding of the complex interplay among plant metabolites will be useful for developing microbe-assisted soil phytoremediation strategies, using <i>Mesembryanthemum</i> species.
format	article
author	Ryota Kataoka Mami Akashi Takeshi Taniguchi Yoshiyuki Kinose Ahmet Emre Yaprak Oguz Can Turgay
author_facet	Ryota Kataoka Mami Akashi Takeshi Taniguchi Yoshiyuki Kinose Ahmet Emre Yaprak Oguz Can Turgay
author_sort	Ryota Kataoka
title	Metabolomics Analyses Reveal Metabolites Affected by Plant Growth-Promoting Endophytic Bacteria in Roots of the Halophyte <i>Mesembryanthemum crystallinum</i>
title_short	Metabolomics Analyses Reveal Metabolites Affected by Plant Growth-Promoting Endophytic Bacteria in Roots of the Halophyte <i>Mesembryanthemum crystallinum</i>
title_full	Metabolomics Analyses Reveal Metabolites Affected by Plant Growth-Promoting Endophytic Bacteria in Roots of the Halophyte <i>Mesembryanthemum crystallinum</i>
title_fullStr	Metabolomics Analyses Reveal Metabolites Affected by Plant Growth-Promoting Endophytic Bacteria in Roots of the Halophyte <i>Mesembryanthemum crystallinum</i>
title_full_unstemmed	Metabolomics Analyses Reveal Metabolites Affected by Plant Growth-Promoting Endophytic Bacteria in Roots of the Halophyte <i>Mesembryanthemum crystallinum</i>
title_sort	metabolomics analyses reveal metabolites affected by plant growth-promoting endophytic bacteria in roots of the halophyte <i>mesembryanthemum crystallinum</i>
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/7e5fb54654ef40af9d13593fc587d019
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Metabolomics Analyses Reveal Metabolites Affected by Plant Growth-Promoting Endophytic Bacteria in Roots of the Halophyte <i>Mesembryanthemum crystallinum</i>

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