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Yang, L. ; Schröder, P. ; Vestergaard, G.* ; Schloter, M. ; Radl, V.

Response of barley plants to drought might be associated with the recruiting of soil-borne endophytes.

Microorganisms 8:1414 (2020)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Mechanisms used by plants to respond to water limitation have been extensively studied. However, even though the inoculation of beneficial microbes has been shown to improve plant performance under drought stress, the inherent role of soil microbes on plant response has been less considered. In the present work, we assessed the importance of the soil microbiome for the growth of barley plants under drought stress. Plant growth was not significantly affected by the disturbance of the soil microbiome under regular watering. However, after drought stress, we observed a significant reduction in plant biomass, particularly of the root system. Plants grown in the soil with disturbed microbiome were significantly more affected by drought and did not recover two weeks after re-watering. These effects were accompanied by changes in the composition of endophytic fungal and bacterial communities. Under natural conditions, soil-derived plant endophytes were major colonizers of plant roots, such as Glycomyces and Fusarium, whereas, for plants grown in the soil with disturbed microbiome seed-born bacterial endophytes, e.g., Pantoea, Erwinia, and unclassified Pseudomonaceae and fungal genera normally associated with pathogenesis, such as Gibberella and Gaeumannomyces were observed. Therefore, the role of the composition of the indigenous soil microbiota should be considered in future approaches to develop management strategies to make plants more resistant towards abiotic stress, such as drought.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Abiotic Stress ; Drought ; Microbiome ; Diversity ; Root Endophytes ; Environmental Factors; Stress; Growth; Tolerance; Host; Sterilization; Inoculation; Colonization; Wheat; Spp.; Rna
Sprache englisch
Veröffentlichungsjahr 2020
HGF-Berichtsjahr 2020
ISSN (print) / ISBN 2076-2607
e-ISSN 2076-2607
Zeitschrift Microorganisms
Quellenangaben Band: 8, Heft: 9, Seiten: , Artikelnummer: 1414 Supplement: ,
Verlag MDPI
Verlagsort Basel
Begutachtungsstatus Peer reviewed
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504700-003
G-504700-001
Förderungen China Scholarship Council
BMBF program Bioeconomy2030-BONARES in the frame of the collaborative research project "Inplamint"
Scopus ID 85090834081
PubMed ID 32937884
Erfassungsdatum 2020-10-29