Universität zu Köln

Bourceret, Amelia, Guan, Rui ORCID: 0000-0003-0862-2368, Dorau, Kristof, Mansfeldt, Tim, Omidbakhshfard, Amin, Medeiros, David B., Fernie, Alisdair R., Hofmann, Joerg ORCID: 0000-0001-7387-1569, Sonnewald, Uwe ORCID: 0000-0003-1835-5339, Mayer, Jochen, Gerlach, Nina, Bucher, Marcel ORCID: 0000-0003-1680-9413, Garrido-Oter, Ruben, Spaepen, Stijn ORCID: 0000-0001-5465-8287 and Schulze-Lefert, Paul (2022). Maize Field Study Reveals Covaried Microbiota and Metabolic Changes in Roots over Plant Growth. mBio, 13 (2). WASHINGTON: AMER SOC MICROBIOLOGY. ISSN 2150-7511

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Abstract

Plant roots are colonized by microorganisms from the surrounding soil that belong to different kingdoms and form a multikingdom microbial community called the root microbiota. Despite their importance for plant growth, the relationship between soil management, the root microbiota, and plant performance remains unknown. Here, we characterize the maize root-associated bacterial, fungal, and oomycetal communities during the vegetative and reproductive growth stages of four maize inbred lines and the pht1;6 phosphate transporter mutant. These plants were grown in two long-term experimental fields under four contrasting soil managements, including phosphate-deficient and -sufficient conditions. We showed that the maize root-associated microbiota is influenced by soil management and changes during host growth stages. We identified stable bacterial and fungal root-associated taxa that persist throughout the host life cycle. These taxa were accompanied by dynamic members that covary with changes in root metabolites. We observed an inverse stable-to-dynamic ratio between root-associated bacterial and fungal communities. We also found a host footprint on the soil biota, characterized by a convergence between soil, rhizosphere, and root bacterial communities during reproductive maize growth. Our study reveals the spatiotemporal dynamics of the maize root-associated microbiota and suggests that the fungal assemblage is less responsive to changes in root metabolites than the bacterial community. IMPORTANCE Plant roots are inhabited by microbial communities called the root microbiota, which supports plant growth and health. We show in a maize field study that the root microbiota consists of stable and dynamic members. The dynamics of the microbial community appear to be driven by changes in the metabolic state of the roots over the life cycle of maize. Plant roots are inhabited by microbial communities called the root microbiota, which supports plant growth and health. We show in a maize field study that the root microbiota consists of stable and dynamic members. The dynamics of the microbial community appear to be driven by changes in the metabolic state of the roots over the life cycle of maize.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Bourceret, Amelia UNSPECIFIED UNSPECIFIED UNSPECIFIED Guan, Rui UNSPECIFIED orcid.org/0000-0003-0862-2368 UNSPECIFIED Dorau, Kristof UNSPECIFIED UNSPECIFIED UNSPECIFIED Mansfeldt, Tim UNSPECIFIED UNSPECIFIED UNSPECIFIED Omidbakhshfard, Amin UNSPECIFIED UNSPECIFIED UNSPECIFIED Medeiros, David B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fernie, Alisdair R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hofmann, Joerg UNSPECIFIED orcid.org/0000-0001-7387-1569 UNSPECIFIED Sonnewald, Uwe UNSPECIFIED orcid.org/0000-0003-1835-5339 UNSPECIFIED Mayer, Jochen UNSPECIFIED UNSPECIFIED UNSPECIFIED Gerlach, Nina UNSPECIFIED UNSPECIFIED UNSPECIFIED Bucher, Marcel UNSPECIFIED orcid.org/0000-0003-1680-9413 UNSPECIFIED Garrido-Oter, Ruben UNSPECIFIED UNSPECIFIED UNSPECIFIED Spaepen, Stijn UNSPECIFIED orcid.org/0000-0001-5465-8287 UNSPECIFIED Schulze-Lefert, Paul UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-692037
DOI:	10.1128/mbio.02584-21
Journal or Publication Title:	mBio
Volume:	13
Number:	2
Date:	2022
Publisher:	AMER SOC MICROBIOLOGY
Place of Publication:	WASHINGTON
ISSN:	2150-7511
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language RHIZOSPHERE MICROBIOME; ARABIDOPSIS-THALIANA; SYSTEM ARCHITECTURE; SOIL QUALITY; BACTERIAL; DIVERSITY; BIOGEOGRAPHY; COMMUNITIES; NUTRITION; FUNGI Multiple languages Microbiology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/69203