Antimicrobial Action of Compositions Based on Thiosulfonates and Biosurfactants on Phytopathogens

Authors

DOI:

https://doi.org/10.20535/1810-0546.2017.3.96283

Keywords:

Rhamnolipid biocomplex, Thiosulfonates, Microorganism-phytopathogens, Minimum inhibitory concentration, Minimum bactericidіс concentration, Permeability of cell membrane

Abstract

Background. The development of environmentally safe preparations with antimicrobial activity on microorganism-phytopathogens.

Objective. Determination of antimicrobial activity of compositions alilthiosulfonate (ATS) and metylthiosulfonate (MTS) with surface-active rhamnolipid biocomplex (RBC) on phytopathogens Agrobacterium tumefaciens and Сlavibacter michiganensis.

Methods. Investigation in vitro of antimicrobial activity of compositions based on thiosulfonates and rhamnolipid biocomplex on microorganism-phytopathogens A. tumefaciens and C. michiganensis in accordance with the minimum inhibitory concentration and minimum bactericidic concentrations of developed compositions. Studies of biosurfactant effect on permeability of cell membraines.

Results. It is shown that the composition of methyl- and alilthiosulfanilates with RBC are more activе and have lower values of minimum inhibitory and bactericidic concentrations than ATS and MTS alone – on average by 50 %.

Conclusions. The results showed the prospects of rhamnolipid-biosurfactants use for creation of highly effective compositions with biocides for plant protection.

Author Biographies

Volodumur Shvets, Department of Physical Chemistry of Fossil Fuels InPOCC, National Academy of Sciences of Ukraine

PhD student

Olena Karpenko, Department of Physical Chemistry of Fossil Fuels InPOCC, National Academy of Sciences of Ukraine

D.Sc., Head of Division of Chemistry and Biotechnology

Ilona Karpenko, Department of Physical Chemistry of Fossil Fuels InPOCC, National Academy of Sciences of Ukraine

Junior Researcher

Volodymyr Novikov, Lviv Polytechnic National University

Prof., D.Sc., Head of the Department of Technology of Biologically Active Substances, Pharmacy and Biotechnology

Vira Lubenets, Lviv Polytechnic National University

D.Sc., Professor at the Department of Technology of Biologically Active Substances, Pharmacy and Biotechnology

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Published

2017-06-23

Issue

No. 3 (2017): Chemical and Biological Sciences and Technologies

Section

Art

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