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Chowdhury, S.P. ; Hartmann, A. ; Gao, X.* ; Borriss, R.*

Biocontrol mechanism by root-associated Bacillus amyloliquefaciens FZB42 - a review.

Front. Microbiol. 6:780 (2015)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Bacillus amyloliquefaciens subsp. plantarum FZB42 is a Gram-positive model bacterium for unraveling plant-microbe interactions in Bacilli. In addition, FZB42 is used commercially as biofertilizer and biocontrol agent in agriculture. Genome analysis of FZB42 revealed that nearly 10% of the FZB42 genome is devoted to synthesizing antimicrobial metabolites and their corresponding immunity genes. However, recent investigations in planta demonstrated that - except surfactin - the amount of such compounds found in vicinity of plant roots is relatively low, making doubtful a direct function in suppressing competing microflora including plant pathogens. These metabolites have been also suspected to induce changes within the rhizosphere microbial community, which might affect environment and plant health. However, sequence analysis of rhizosphere samples revealed only marginal changes in the root microbiome, suggesting that secondary metabolites are not the key factor in protecting plants from pathogenic microorganisms. On the other hand, adding FZB42 to plants compensate, at least in part, changes in the community structure caused by the pathogen, indicating an interesting mechanism of plant protection by beneficial Bacilli. Sub-lethal concentrations of cyclic lipopeptides and volatiles produced by plant-associated Bacilli trigger pathways of induced systemic resistance (ISR), which protect plants against attacks of pathogenic microbes, viruses, and nematodes. Stimulation of ISR by bacterial metabolites is likely the main mechanism responsible for biocontrol action of FZB42.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Review
Schlagwörter Bacillus Amyloliquefaciens Plantarum ; Fzb42 ; Induced Systemic Resistance (isr) ; Non-ribosomal Synthesized Lipopeptides (nrps) ; Non-ribosomal Synthesized Polyketides (pks) ; Plant Growth Promoting Bacteria (pgpr) ; Volatiles; Induced Systemic Resistance; Growth-promoting Rhizobacteria; Plant-growth; Functional-characterization; Secondary Metabolites; Nonribosomal Peptide; Genome Sequence; Gene Clusters; Subtilis; Antibiotics
Sprache englisch
Veröffentlichungsjahr 2015
HGF-Berichtsjahr 2015
ISSN (print) / ISBN 1664-302X
e-ISSN 1664-302X
Zeitschrift Frontiers in Microbiology
Quellenangaben Band: 6, Heft: , Seiten: , Artikelnummer: 780 Supplement: ,
Verlag Frontiers
Verlagsort Lausanne
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Microbe-Plant Interactions (AMP)
POF Topic(s) 20402 - Sustainable Plant Production
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504600-001
PubMed ID 26284057
DOI 10.3389/fmicb.2015.00780
WOS ID WOS:000358882200001
Scopus ID 84938936162
Erfassungsdatum 2015-08-20
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