Abstract
The influence of sodium chloride (NaCl) treatment on the antifungal activity of the bacterium Pseudomonas aurantiaca, a producer of biopesticide for vegetable plants, was investigated. It was shown that an increase in the NaCl concentration in incubation solutions from 1 M to 3 M led to a significant increase in the antifungal activity of this bacterium. Antifungal activity continued to increase with prolonged treatment of bacteria in fresh nutrient medium from 72 h to 96 h. These findings could be very important for the further development of biotechnological processes directed not only to the production of new active biopesticides but also of other valuable resources.
Highlights
Omm Introduction -c It is well known that the global population is n expected to grow very significantly in the o decades
Soil-borne bacteria of the Pseudomonas genus can exert antagonistic properties on plant pathogens. They might act as efficient biological control agents able to prevent plant diseases and serve as an efficient alternative to chemical pesticides in agriculture.[9]
Results and Discussion ly Our previous studies on anhydrobiosis of n microorganisms achieved by significant dehyo dration of cells showed that cell transfer into this state is connected with a number of intrae cellular changes at the molecular, structural s and cellular levels
Summary
Omm Introduction -c It is well known that the global population is n expected to grow very significantly in the o decades. On the basis of these results, it was agar well diffusion method.[11] In this assay, the can be changed or improved during incubation decided to use the rather convenient spectral fungus Fusarium oxysporum NR 259 was used in solutions with increased osmotic pressure, method for the evaluation of antifungal activias the test culture, obtained from the Microbial creating conditions that lead to the dehy- ty of our strain of Ps. aurantiaca
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