Antagonistic and protective activity of Lactobacillus plantarum strain 17 M against E. amylovora
Sadanov A. Alimzhanova M. Ismailova E. Shemshura O. Ashimuly K. Molzhigitova A. Daugaliyeva S.
November 2023Springer Science and Business Media B.V.
World Journal of Microbiology and Biotechnology
2023#39Issue 11
The subject of the study was to identify the antagonism of the Lactobacillus plantarum strain 17 M against the causative agent of fire blight, the bacterium Erwinia amylovora, and to evaluate its protective capabilities on apple blossoms against this disease. For comparison 9 strains of lactic acid bacteria from the LLP “SPC of Microbiology and Virology” collection were included in the study. Strain 17 M appeared to be superior in limiting the growth of the pathogen on all 3 liquid media tested. Its maximum inhibitory activity was proved on MRS Broth medium. The analysis of the secondary metabolites produced by strain 17 M in liquid medium revealed that it consisted mainly of acetic acid (53.2 ± 4.3%), lactic acid (16.3 ± 2.3%) and 2,3-butanedione (14.84 ± 4.1%). The presence of other organic compounds was also detected but in a smaller amount. Study on influence of those compounds on growth of E. amylovora showed that lactic acid at concentration of 5% showed inhibitory activity but it was not toxic to apple flowers. The effectiveness of strain 17 M culture liquid diluted with sterile water and added to E. amylovora inoculum at 10% or 20% was 76.7 ± 5.8% and 88.3 ± 12.6%, respectively. This study confirms the potential use of strain 17 M as an active microbial agent to combat fire blight of fruit crops in Kazakhstan.
2,3-Butadione , Acetic acid , Biocontrol , E. amylovora , Fire blight , Lactobacillus plantarum
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Limited Liability Partnership “Scientific-Production Center of Microbiology and Virology”, str. Bogenbay batyr 105, Almaty, 050010, Kazakhstan
Al-Farabi Kazakh National University, ave. Al-Farabi 71, Almaty, Almaty, 050040, Kazakhstan
Limited Liability Partnership “Scientific-Production Center of Microbiology and Virology”
Al-Farabi Kazakh National University
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