What Is the Role of <italic toggle="yes">Archaea</italic> in Plants? New Insights from the Vegetation of Alpine Bogs

ABSTRACT The Archaea represent a significant component of the plant microbiome, whereas their function is still unclear. Different plant species representing the natural vegetation of alpine bogs harbor a substantial archaeal community originating from five phyla, 60 genera, and 334 operational taxo...

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Autores principales:	Julian Taffner, Armin Erlacher, Anastasia Bragina, Christian Berg, Christine Moissl-Eichinger, Gabriele Berg
Formato:	article
Lenguaje:	EN
Publicado:	American Society for Microbiology 2018
Materias:	Archaea plant microbiome plant-microbe interactions Microbiology QR1-502
Acceso en línea:	https://doaj.org/article/51dfdba1211a4b118c4a149952c80ce1
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id	oai:doaj.org-article:51dfdba1211a4b118c4a149952c80ce1
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spelling	oai:doaj.org-article:51dfdba1211a4b118c4a149952c80ce12021-11-15T15:24:23ZWhat Is the Role of <italic toggle="yes">Archaea</italic> in Plants? New Insights from the Vegetation of Alpine Bogs10.1128/mSphere.00122-182379-5042https://doaj.org/article/51dfdba1211a4b118c4a149952c80ce12018-06-01T00:00:00Zhttps://journals.asm.org/doi/10.1128/mSphere.00122-18https://doaj.org/toc/2379-5042ABSTRACT The Archaea represent a significant component of the plant microbiome, whereas their function is still unclear. Different plant species representing the natural vegetation of alpine bogs harbor a substantial archaeal community originating from five phyla, 60 genera, and 334 operational taxonomic units (OTUs). We identified a core archaeome for all bog plants and ecosystem-specific, so far unclassified Archaea. In the metagenomic data set, Archaea were found to have the potential to interact with plants by (i) possible plant growth promotion through auxin biosynthesis, (ii) nutrient supply, and (iii) protection against abiotic (especially oxidative and osmotic) stress. The unexpectedly high degree of plant specificity supports plant-archaeon interactions. Moreover, functional signatures of Archaea reveal genetic capacity for the interplay with fungi and an important role in the carbon and nitrogen cycle: e.g., CO2 and N2 fixation. These facts reveal an important, yet unobserved role of the Archaea for plants as well as for the bog ecosystem. IMPORTANCE Archaea are still an underdetected and little-studied part of the plant microbiome. We provide first and novel insights into Archaea as a functional component of the plant microbiome obtained by metagenomic analyses. Archaea were found to have the potential to interact with plants by (i) plant growth promotion through auxin biosynthesis, (ii) nutrient supply, and (iii) protection against abiotic stress.Julian TaffnerArmin ErlacherAnastasia BraginaChristian BergChristine Moissl-EichingerGabriele BergAmerican Society for MicrobiologyarticleArchaeaplant microbiomeplant-microbe interactionsMicrobiologyQR1-502ENmSphere, Vol 3, Iss 3 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Archaea plant microbiome plant-microbe interactions Microbiology QR1-502
spellingShingle	Archaea plant microbiome plant-microbe interactions Microbiology QR1-502 Julian Taffner Armin Erlacher Anastasia Bragina Christian Berg Christine Moissl-Eichinger Gabriele Berg What Is the Role of <italic toggle="yes">Archaea</italic> in Plants? New Insights from the Vegetation of Alpine Bogs
description	ABSTRACT The Archaea represent a significant component of the plant microbiome, whereas their function is still unclear. Different plant species representing the natural vegetation of alpine bogs harbor a substantial archaeal community originating from five phyla, 60 genera, and 334 operational taxonomic units (OTUs). We identified a core archaeome for all bog plants and ecosystem-specific, so far unclassified Archaea. In the metagenomic data set, Archaea were found to have the potential to interact with plants by (i) possible plant growth promotion through auxin biosynthesis, (ii) nutrient supply, and (iii) protection against abiotic (especially oxidative and osmotic) stress. The unexpectedly high degree of plant specificity supports plant-archaeon interactions. Moreover, functional signatures of Archaea reveal genetic capacity for the interplay with fungi and an important role in the carbon and nitrogen cycle: e.g., CO2 and N2 fixation. These facts reveal an important, yet unobserved role of the Archaea for plants as well as for the bog ecosystem. IMPORTANCE Archaea are still an underdetected and little-studied part of the plant microbiome. We provide first and novel insights into Archaea as a functional component of the plant microbiome obtained by metagenomic analyses. Archaea were found to have the potential to interact with plants by (i) plant growth promotion through auxin biosynthesis, (ii) nutrient supply, and (iii) protection against abiotic stress.
format	article
author	Julian Taffner Armin Erlacher Anastasia Bragina Christian Berg Christine Moissl-Eichinger Gabriele Berg
author_facet	Julian Taffner Armin Erlacher Anastasia Bragina Christian Berg Christine Moissl-Eichinger Gabriele Berg
author_sort	Julian Taffner
title	What Is the Role of <italic toggle="yes">Archaea</italic> in Plants? New Insights from the Vegetation of Alpine Bogs
title_short	What Is the Role of <italic toggle="yes">Archaea</italic> in Plants? New Insights from the Vegetation of Alpine Bogs
title_full	What Is the Role of <italic toggle="yes">Archaea</italic> in Plants? New Insights from the Vegetation of Alpine Bogs
title_fullStr	What Is the Role of <italic toggle="yes">Archaea</italic> in Plants? New Insights from the Vegetation of Alpine Bogs
title_full_unstemmed	What Is the Role of <italic toggle="yes">Archaea</italic> in Plants? New Insights from the Vegetation of Alpine Bogs
title_sort	what is the role of <italic toggle="yes">archaea</italic> in plants? new insights from the vegetation of alpine bogs
publisher	American Society for Microbiology
publishDate	2018
url	https://doaj.org/article/51dfdba1211a4b118c4a149952c80ce1
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What Is the Role of <italic toggle="yes">Archaea</italic> in Plants? New Insights from the Vegetation of Alpine Bogs

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