Article (Scientific journals)
Biosynthesis of Cyclic Lipopeptides by Bacillus velezensis Bs006 and its Antagonistic Activity are Modulated by the Temperature and Culture Media Conditions
Moreno-Velandia, C. A.; Ongena, Marc; Kloepper, J. W. et al.
2021In Current Microbiology, 78 (9), p. 3505-3515
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Keywords :
Article; Bacillus velezensis; Fusarium oxysporum; Fusarium oxysporum f. sp. physali; Bacillus; Fusarium; Culture Media; Lipopeptides; Plant Diseases; Temperature
Abstract :
[en] Antagonistic activity of strains from Bacillus species has made them among the preferred agricultural biological control agents against phytopathogenic fungi. These microorganisms’ success is mostly based on the production of antagonistic secondary metabolites, mainly those of the non-ribosomal cyclic lipopeptides (CLPs) nature, which can affect phytopathogens directly (iturins and fengycins) or indirectly (surfactins and fengycins). However, abiotic factors in the target site can influence the behavior of the biocontrol traits, but to date, few studies attempting to decipher this kind of interaction have been conducted. This work aimed to evaluate the effect of temperature and culture medium on growth, antagonistic activity against Fusarium oxysporum f. sp. physali (Foph), and the profile of CLPs produced by Bacillus velezensis Bs006. The data showed that measured traits in Bs006 varied with temperature and medium interaction. The concentration of CLPs, as well as the antagonistic activity against Foph, was increased as the nutritional wealth, temperature, and time of incubation increased. The concentration of fengycins and iturins was higher than surfactins at high temperatures. However, a bacteriostatic effect was detected with a combination of Landy medium and 15 °C, which prevented both the biosynthesis of CLPs and the antagonistic activity. The results of this work highlight the importance of abiotic conditions of the target site where a biocontrol agent will be applied to stay active and develop its full antagonistic potential. This response by Bs006 could partly explain the variability of its biocontrol efficacy in the Foph-golden berry pathosystem. © 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
Disciplines :
Microbiology
Author, co-author :
Moreno-Velandia, C. A.;  Corporación Colombiana de Investigación Agropecuaria—AGROSAVIA, Km 14 vía Bogotá a Mosquera, Mosquera, 250047, Colombia
Ongena, Marc ;  Université de Liège - ULiège > Département GxABT > Microbial, food and biobased technologies
Kloepper, J. W.;  Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, United States
Cotes, A. M.;  Corporación Colombiana de Investigación Agropecuaria—AGROSAVIA, Km 14 vía Bogotá a Mosquera, Mosquera, 250047, Colombia
Language :
English
Title :
Biosynthesis of Cyclic Lipopeptides by Bacillus velezensis Bs006 and its Antagonistic Activity are Modulated by the Temperature and Culture Media Conditions
Publication date :
2021
Journal title :
Current Microbiology
ISSN :
0343-8651
eISSN :
1432-0991
Publisher :
Springer
Volume :
78
Issue :
9
Pages :
3505-3515
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Ministerio de Agricultura y Desarrollo Rural; Corporación colombiana de investigación agropecuaria
Available on ORBi :
since 18 January 2022

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