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Title: | Characterization and evaluation of two Bacillus strains, SS-12.6 and SS-13.1, as potential agents for the control of phytopathogenic bacteria and fungi | Authors: | Dimkić, Ivica Živković, Svetlana Berić, Tanja Ivanović, Žarko Gavrilović, Veljko Stanković, Slaviša Fira, Đorđe |
Keywords: | Bacillus;Biocontrol;Lipopeptides;Phytopathogens | Issue Date: | 1-Jun-2013 | Rank: | M21 | Publisher: | Elsevier | Project: | Molecular characterization of bacteria from genera Bacillus and Pseudomonas as potential agents for biological control Development of integrated approach in plant protection for control harmful organisms |
Journal: | Biological Control | Volume: | 65 | Issue: | 3 | Start page: | 312 | End page: | 321 | Abstract: | Two strains of Bacillus sp., SS-12.6 and SS-13.1, showed very strong antibacterial and antifungal activity against phytopathogens. The PCR analysis showed that both strains have the genes for biosynthesis of iturin, bacillomycin and surfactin. Kinetics of production of antimicrobial substances in these strains showed that synthesis started at the beginning of exponential phase of growth. Maximum of activity was slowly reached at the beginning of stationary growth phase and was maintained until the end of observed period. Ethyl acetate extracts of cell-free supernatants of both strains were particularly active against several postharvest fungal pathogens, in vitro and in vivo, in the experiment with apple fruits. Mass spectrometry analysis of ethyl acetate extract of the supernatant of strain SS-12.6 confirmed the presence of antimicrobial lipopeptide surfactin. © 2013 Elsevier Inc. |
URI: | https://biore.bio.bg.ac.rs/handle/123456789/3251 | ISSN: | 1049-9644 | DOI: | 10.1016/j.biocontrol.2013.03.012 |
Appears in Collections: | Journal Article |
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