Cyclic Lipopeptide Biosynthetic Genes and Products, and Inhibitory Activity of Plant- Associated Bacillus against Phytopathogenic Bacteria

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dc.contributor	Ministerio de Ciencia e Innovación (Espanya)
dc.contributor.author	Mora Pons, Isabel
dc.contributor.author	Cabrefiga Olamendi, Jordi
dc.contributor.author	Montesinos Seguí, Emilio
dc.date	2016-12-02T07:56:13Z
dc.date	2016-12-02T07:56:13Z
dc.date	2015
dc.identifier.citation	1932-6203
dc.identifier.citation	024696
dc.identifier.uri	http://hdl.handle.net/10256/13307
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Public Library of Science (PLoS)
dc.relation	http://dx.doi.org/10.1371/journal.pone.0127738
dc.relation	MICINN/PN 2010-2012/ AGL2009-13255-C02-01
dc.relation	Reproducció digital del document publicat a: http://dx.doi.org/10.1371/journal.pone.0127738
dc.relation	PLoS One, 2015, vol. 10, núm. 5, p. e0127738
dc.relation	Articles publicats (D-EQATA)
dc.relation	info:eu-repo/grantAgreement/EC/FP7/613678
dc.rights	Attribution 4.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by/4.0/es/
dc.subject	Antibiòtics pèptids
dc.subject	Peptide antibiotics
dc.subject	Bacils
dc.subject	Bacillus (Bacteria)
dc.subject	Plantes -- Malalties
dc.subject	Plant diseases
dc.subject	Bacteris fitopatògens
dc.subject	Phytopathogenic bacteria
dc.title	Cyclic Lipopeptide Biosynthetic Genes and Products, and Inhibitory Activity of Plant- Associated Bacillus against Phytopathogenic Bacteria
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	The antibacterial activity against bacterial plant pathogens and its relationships with the presence of the cyclic lipopeptide (cLP) biosynthetic genes ituC (iturin), bmyB (bacillomycin), fenD (fengycin) and srfAA (surfactin), and their corresponding antimicrobial peptide products have been studied in a collection of 64 strains of Bacillus spp. isolated from plant environments. The most frequent antimicrobial peptide (AMP) genes were bmyB, srfAAand fenD (34-50% of isolates). Most isolates (98.4%) produced surfactin isoforms, 90.6%iturins and 79.7% fengycins. The antibacterial activity was very frequent and generally intense among the collection of strains because 75% of the isolates were active against at least 6 of the 8 bacterial plant pathogens tested. Hierarchical and correspondence analysis confirmed the presence of two clearly differentiated groups. One group consisted of Bacillus strains that showed a strong antibacterial activity, presented several cLPs genes and produced several isoforms of cLPs simultaneously, mainly composed of B. subtilisand B. amyloliquefaciens, although the last one was exclusive to this group. Another group was characterized by strains with very low or none antibacterial activity, that showed one or none of the cLP genes and produced a few or none of the corresponding cLPs, and was the most heterogenous group including B. subtilis, B. licheniformis, B. megaterium, B. pumilus, B. cereusand B. thuringiensis, although the last two were exclusive to this group. This work demonstrated that the antagonistic capacity of plant-associated Bacillusagainst plant pathogenic bacteria is related to the presence of cLP genes and to the production of the corresponding cLPs, and it is mainly associated to the species B. subtilisand B. amyloliquefaciens. Our findings would help to increase the yield and efficiency of screening methods to obtain candidate strains to biocontrol agents with a mechanism of action relaying on the production of antimicrobial cLPs
dc.description.abstract	Funding was provided by Programa Nacional de Agricultura y Alimentación (CICYT) (Ref. AGL-2009-13255-C02-01) of the MINECO of Spain, and FP7 KBBE.2013.1.2-04. Ref. 613678. DROPSA project of the European Union. The research group is accredited and supported in part by SGR 2009-0812, 2014 SGR 697 and TECNIO net from Catalonia

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