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dc.contributor.author
Palazzini, Juan Manuel
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dc.date.available
2024-04-08T10:26:47Z
dc.date.issued
2021
dc.identifier.citation
Bacillus velezensis Rc218 as a biocontrol agent against Fusarium head blight of wheat: revealing genome insights and metabolite profile production; First International “Microbes For Life” Webinar; Argel ; Argelia; 2021; 32-32
dc.identifier.uri
http://hdl.handle.net/11336/232239
dc.description.abstract
Bacillus velezensis RC218 was originally isolated from wheat anthers as a potential antagonist of Fusarium graminearum sensu stricto, the causal agent of Fusarium head blight (FHB) in Argentina. We demonstrated the ability of B. velezensis RC218 to reduce disease severity and DON accumulation in vitro, under greenhouse and field trials. The current presentation extends characterizing B. velezensis RC218 by genome sequencing and secondary metabolite production. Secondary metabolite clusters wereidentified with antiSMASH3.0 or direct blasting. Culture supernatants containing secondary metabolites were analyzed by LC-MS. The field study demonstrated that B. velezensis RC 218 could reduce FHB severity and the associated mycotoxin (deoxynivalenol) production to undetectable levels. The genome sequencing allowed us to accurately determine the taxonomy of the strain using a phylogenomic approach, which places it in the B. velezensis clade. The genome mining allowed us to identify 9 active secondary metabolites conserved by all B. velezensis strains and one additional secondary metabolite, the lantibioticericin, which is unique to this strain. This represents the first confirmed production of ericin by a B. velezensis strain. Biocontrol activity can be related to the production of several lipopeptides, from the surfactin, fengycin and iturin families. Microbiome analysis also demonstrated that application of the bioicontrol on spikes does not impactnative populations dynamics.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
University Algeria
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Fusarium Head Blight
dc.subject
Bacillus velezensis
dc.subject
Metabolite profile
dc.subject
Biocontrol
dc.subject.classification
Biología Celular, Microbiología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Bacillus velezensis Rc218 as a biocontrol agent against Fusarium head blight of wheat: revealing genome insights and metabolite profile production
dc.type
info:eu-repo/semantics/publishedVersion
dc.type
info:eu-repo/semantics/conferenceObject
dc.type
info:ar-repo/semantics/documento de conferencia
dc.date.updated
2024-02-28T10:26:37Z
dc.journal.pagination
32-32
dc.journal.pais
Argelia
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dc.journal.ciudad
Algiers
dc.description.fil
Fil: Palazzini, Juan Manuel. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Instituto de Investigación en Micología y Micotoxicología. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigación en Micología y Micotoxicología; Argentina
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://lbsm-lab.wixsite.com/microbesforlife2021
dc.conicet.rol
Autor
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dc.coverage
Internacional
dc.type.subtype
Webinar
dc.description.nombreEvento
First International “Microbes For Life” Webinar
dc.date.evento
2021-10-20
dc.description.ciudadEvento
Argel
dc.description.paisEvento
Argelia
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dc.type.publicacion
Book
dc.description.institucionOrganizadora
Ecole Normale Supérieur de Kouba. Laboratoire de Biologie des Systèmes Microbiens
dc.source.libro
1st Microbes For Life. International Webinar. Abstract Book
dc.date.eventoHasta
2021-10-22
dc.type
Webinar
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