Use of the Pseudomonas sp. OBA 2.4.1 Strain for Presowing Treatment of Pea Seeds (Pisum Sativum L.) in the Presence of Heavy Metals and Glyphosate

IF 1 4区生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Applied Biochemistry and Microbiology Pub Date : 2024-07-27 DOI:10.1134/s0003683824604414

L. R. Khakimova, O. V. Chubukova, Z. R. Vershinina

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Abstract—

The results of study of the effects of the Pseudomonas sp. OBA 2.4.1 PGPB strain resistant to NiCl₂ (up to 3 mM), Pb(CH₃COO)₂ (up to 5 mM), and glyphosate (up to 8 mg/mL) on Pisum sativum L. plants at different concentrations of the heavy metals and the herbicide are reported. It was found that this strain had a positive effect on the root length of pea seedlings in the presence of heavy metals indicating an increase in the plant resistance to nickel and lead stress. However, no such effect was observed in the experiment with glyphosate, which confirmed the high toxicity of this compound. The results obtained demonstrated that the Pseudomonas sp. OBA 2.4.1 strain promoted the growth of Pisum sativum L. under nickel and lead stress; these findings can further be used for the development of complex biopreparations intended both for the protection of agricultural plants from the effects of heavy metals and for remediation of contaminated soils.

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利用假单胞菌 OBA 2.4.1 菌株在重金属和草甘膦存在的情况下对豌豆种子（Pisum Sativum L.）进行播前处理

摘要--报告了在不同浓度的重金属和除草剂条件下，抗NiCl2（高达3 mM）、Pb(CH3COO)2（高达5 mM）和草甘膦（高达8 mg/mL）的假单胞菌OBA 2.4.1 PGPB菌株对豌豆（Pisum sativum L.）植株的影响研究结果。研究发现，在重金属存在的情况下，该菌株对豌豆幼苗的根长有积极影响，表明该植物对镍和铅胁迫的抗性增强。然而，在使用草甘膦的实验中没有观察到这种影响，这证实了这种化合物的毒性很高。研究结果表明，假单胞菌 OBA 2.4.1 菌株能促进豌豆在镍和铅胁迫下的生长；这些发现可进一步用于开发复合生物制剂，以保护农业植物免受重金属的影响，并修复受污染的土壤。

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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.