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Martins, R.B. ; Radl, V. ; Treder, K.* ; Michałowska, D.* ; Pritsch, K. ; Schloter, M.

The rhizosphere microbiome of 51 potato cultivars with diverse plant growth characteristics.

FEMS Microbiol. Ecol. 100:fiae088 (2024)
Verlagsversion DOI PMC
Open Access Hybrid
Creative Commons Lizenzvertrag
Rhizosphere microbial communities play a substantial role in plant productivity. We studied the rhizosphere bacteria and fungi of 51 distinct potato cultivars grown under similar greenhouse conditions using a metabarcoding approach. As expected, individual cultivars were the most important determining factor of the rhizosphere microbial composition; however, differences were also obtained when grouping cultivars according to their growth characteristics. We demonstrated that plant growth characteristics were strongly related to deterministic and stochastic assembly processes of bacterial and fungal communities, respectively. The bacterial genera Arthrobacter and Massilia (known to produce IAA and siderophores) exhibited greater relative abundance in high- and medium performing cultivars. Bacterial co-occurrence networks were larger in the rhizosphere of these cultivars and were characterized by a distinctive combination of plant beneficial Proteobacteria and Actinobacteria along with a module of diazotrophs namely Azospira, Azoarcus, Azohydromonas. Conversely, the network within low performing cultivars revealed the lowest nodes, hub taxa, edges density, robustness and the highest average path length resulting in reduced microbial associations, which may potentially limit their effectiveness in promoting plant growth. Our findings established a clear pattern between plant productivity and the rhizosphere microbiome composition and structure for the investigated potato cultivars, offering insights for future management practices.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Potato Cultivars ; Co-occurrence Network ; Community Assembly Processes ; Microbiome ; Plant Growth ; Rhizosphere; Sp Nov.; Network Analysis; Bacterial Communities; Assembly Processes; Food Security; Nitrogen; Gene; Association; Patterns; Yield
Sprache englisch
Veröffentlichungsjahr 2024
HGF-Berichtsjahr 2024
ISSN (print) / ISBN 0168-6496
e-ISSN 1574-6941
Zeitschrift FEMS Microbiology Ecology
Quellenangaben Band: 100, Heft: 8, Seiten: , Artikelnummer: fiae088 Supplement: ,
Verlag Wiley
Verlagsort Oxford
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Comparative Microbiome Analysis (COMI)
Research Unit Environmental Simulation (EUS)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504700-001
G-504911-001
Förderungen Research Unit Comparative Microbiome Analysis at Helmholtz Munich
German Research Foundation
DOI 10.1093/femsec/fiae088
WOS ID 001269627200001
Scopus ID 85198849540
PubMed ID 38839598
Erfassungsdatum 2024-07-19
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