Effect of selenium-containing biocomposites based on Ganoderma mushroom isolates grown in the presence of oxopropyl-4-hydroxycoumarins, on bacterial phytopathogens


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Abstract

Effect of selenium-containing biocomposites obtained from submerged cultures of macrobasidiomycetes Ganoderma applantum, G. cattienensis, G. colossus G. lucidum, G. neojaponicum, and G. valesiacum, on plant pathogenic bacteria Clavibacter michiganensis ssp. sepedonicus (Cms), Micrococcus luteus, Pectobacterium atrosepticum, Pectobacterium carotovorum subsp. carotovorum, Pseudomonas fluorescens, Pseudomonas viridiflava, and Xanthomonas campestris was studied. Oxopropyl-4-hydroxychromenones were used as components of the fungal nutrient media. The bacteriostatic and bactericidal activity of the Se-containing and Se-free substances of fungal origin against plant pathogenic bacteria was determined using colony-forming units count, the agar well diffusion method, and by turbidity measurements of bacterial suspensions. The composites produced from the extracellular metabolites of G. cattienensis SIE1302 with 4-hydroxy-3-(3-oxo-1,3-diphenyl propyl)-chromen-2-one (S(45)), and of G. lucidum SIE1303 with 4-hydroxy-3-(3-oxo-1-(3-nitrophenyl)-3-phenylpropyl)-chromen-2-one (S(NO2)) possessed the most pronounced antibacterial action against Cms. The composites produced from the isolates of G. valesiacum 120702 with S(NO2) showed the maximal antibacterial activity against Xanthomonas campestris B-610. High antimicrobial effect of G. lucidum 1315 with S(NO2) against Xanthomonas campestris B-610 and of G. colossus SIE1301 against Pseudomonas fluorescens EL-2.1 was revealed. The pioneering information on the biological activity of coumarin series compounds in their application for producing the substances of fungal origin was obtained.

About the authors

A. I. Perfileva

Siberian Institute of Plant Physiology and Biochemistry, Siberian Branch

Author for correspondence.
Email: alla.light@mail.ru
Russian Federation, Irkutsk

O. M. Tsivileva

Institute of Biochemistry and Physiology of Plants and Microorganisms

Email: alla.light@mail.ru
Russian Federation, Saratov

D. N. Ibragimova

Institute of Chemistry

Email: alla.light@mail.ru
Russian Federation, Saratov

O. V. Koftin

Institute of Biochemistry and Physiology of Plants and Microorganisms

Email: alla.light@mail.ru
Russian Federation, Saratov

O. V. Fedotova

Institute of Chemistry

Email: alla.light@mail.ru
Russian Federation, Saratov

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