ArticleCurrent microbiology2022
Characteristic Analysis of Soil-Isolated Bacillus velezensis HY-3479 and Its Antifungal Activity Against Phytopathogens.
Article in Current microbiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 14 citations in OpenAlex.
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- Screening and genome-wide analysis of lignocellulose-degrading bacteria from humic soil.Frontiers in microbiology · 2023Article
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Authors and funding
3 authors at 1 institution in 1 country.
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Abstract
During the investigation of beneficial agricultural microorganisms, a novel Bacillus strain was isolated. To isolate an effective microorganism that has antifungal activity, soil samples were collected from an agricultural field in the southern area of Pohang, Korea. One strain that had specificity on plant pathogens was analyzed. According to 16S rRNA sequencing, the isolated bacterium was identified as Bacillus velezensis and was designated as HY-3479. Few assays were taken to analyze the characteristics of the HY-3479 strain. In agar plate assay, HY-3479 showed antifungal effects on Colletotrichum acutatum, Cylindrocarpon destructans, Rhizoctonia solani, and Sclerotinia sclerotiorum. The strain also had various enzymatic activities including protease, amylase, and β-1,3-glucanase, which were relatively higher than control strains. Metabolites study of strain HY-3479 was conducted by GC-MS analysis and the bacterium contained many plant growth promoters like 3-methyl-1-butanol, (R, R)-2,3-butanediol, acetoin, and benzoic acid which were not found in untreated TSB medium. In gene expression analysis, antifungal lipopeptide genes like srfc (surfactin) and ituD (iturin A) were highly produced in the HY-3479 strain compared to the control strain KCTC 13417. B. velezensis strain HY-3479 may be the candidate to be an effective microorganism in agriculture and become a beneficial biocontrol agent with plant growth-promoting activities.
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