New Agronomically Valuable Strains of the Genus Streptomyces and Their Biochemical Characteristics

IF 1 4区生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Applied Biochemistry and Microbiology Pub Date : 2025-04-07 DOI:10.1134/S0003683824605110

I. G. Shirokikh, Ya. I. Nazarova, N. A. Bokov, A. A. Alalykin, A. A. Shirokikh

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Abstract

Organic farming is a global trend that increases the demand for biological preparations for use in agricultural production. This paper characterizes new actinomycete isolates from soil samples taken in various agrocenoses of the Vyatka–Kama Urals. As a result of preliminary testing (about 350 strains), strains 8Al3, N27-25, and P15-2 were isolated on the basis of antifungal activity. The cultures were identified by 16S rRNA as bacteria of the genus Streptomyces. An active substance with antifungal effect—scopafungin—was identified using HPLC-MS/MS. Along with the inhibitory effect on phytopathogenic fungi, these strains produce auxins in the presence of 100 μg/mL of L-tryptophan (17.4–20.8 μg/mL), have cellulolytic activity, and have a stimulating effect on germination and accumulation of the dry biomass by wheat, clover, and mustard seedlings. In possessing a complex of properties beneficial for plants, Streptomyces strains 8Al3, N27-25, and P15-2 can be used as candidates for the creation of biological preparations with fungicidal and phytostimulating effects.

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来源期刊

Applied Biochemistry and Microbiology 生物-生物工程与应用微生物

CiteScore

1.70

自引率

12.50%

发文量

审稿时长

6-12 weeks

期刊介绍： Applied Biochemistry and Microbiology is an international peer reviewed journal that publishes original articles on biochemistry and microbiology that have or may have practical applications. The studies include: enzymes and mechanisms of enzymatic reactions, biosynthesis of low and high molecular physiologically active compounds; the studies of their structure and properties; biogenesis and pathways of their regulation; metabolism of producers of biologically active compounds, biocatalysis in organic synthesis, applied genetics of microorganisms, applied enzymology; protein and metabolic engineering, biochemical bases of phytoimmunity, applied aspects of biochemical and immunochemical analysis; biodegradation of xenobiotics; biosensors; biomedical research (without clinical studies). Along with experimental works, the journal publishes descriptions of novel research techniques and reviews on selected topics.