Antimicrobial and plant growth promoting properties of Streptomyces strains isolated from soils in Republic of Moldova
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BURTSEVA, Svetlana, BYRSA, Maxim, BOUEVA, Olga, STARODUMOVA, Irina, EVTUSHENKO, Lyudmila, IURCU-STRĂISTARU, Elena. Antimicrobial and plant growth promoting properties of Streptomyces strains isolated from soils in Republic of Moldova. In: Analele Universitatii din Oradea, Fascicula Biologie, 2019, vol. 26, pp. 73-78. ISSN 1224-5119.
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Analele Universitatii din Oradea, Fascicula Biologie
Volumul 26 / 2019 / ISSN 1224-5119

Antimicrobial and plant growth promoting properties of Streptomyces strains isolated from soils in Republic of Moldova


Pag. 73-78

Burtseva Svetlana1, Byrsa Maxim1, Boueva Olga2, Starodumova Irina2, Evtushenko Lyudmila2, Iurcu-Străistaru Elena3
 
1 Institute of Microbiology and Biotechnology ,
2 All-Russian Scientific Research Institute of Fundamental and Applied Parasitology of Animals and Plants named after K.I. Skryabin,
3 Institute of Zoology
 
Disponibil în IBN: 16 ianuarie 2020


Rezumat

Three strains with antifungal, antibacterial, and plant growth-promoting activities were isolated from soils of the Republic of Moldova. Taxonomic study of these strains showed that strain 33 belongs to the species Streptomyces plicatus, while strains 9 and 66 could not be assigned to any known species and most likely represent two novel species of the genus Streptomyces. Streptomyces plicatus completely inhibited growth of A. alternata, Streptomyces sp. 9 inhibited growth of three species of genus Fusarium (growth inhibition zones between 28.0-34.0 mm), S. plicatus 33-only F. graminearum (30.2 mm) and antifungal activity of strain Streptomyces sp. 66 was lower. All studied strains inhibited growth of phytopathogenic bacterium C. michiganensis (22.7-30.0 mm), strains Streptomyces spp. 9 and 33-X. campestris (16.2-30.0 mm). Aqueous solutions of exometabolites of the studied strains actively increased the length of roots (by 271.32-348.84 %) and gained its weight (by 18.98-80.75 %) in dependence of concentration and belonging to strain. 

Cuvinte-cheie
antifungal and antibacterial activity, exometabolites, length of roots, Streptomycetes, Weight of roots, winter wheat