دوره 9، شماره 1 - ( 11-1399 )                   جلد 9 شماره 1 صفحات 0-0 | برگشت به فهرست نسخه ها

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Ghazaei C. Effect of Rhamnolipids on Pathogenicity Characteristics of Microorganisms in Organic Compost. Res Mol Med (RMM). 2021; 9 (1)
URL: http://rmm.mazums.ac.ir/article-1-390-fa.html
Effect of Rhamnolipids on Pathogenicity Characteristics of Microorganisms in Organic Compost. Research in Molecular Medicine. 1399; 9 (1)

URL: http://rmm.mazums.ac.ir/article-1-390-fa.html


چکیده:   (68 مشاهده)
Backgrounds: Rhamnolipids are hydrophilic glycolipids, often classified as biosurfactants and are produced by different bacterial species. Rhamnolipids are extensively studied in biological research because of their interesting features like antimicrobial, anti-fungal, and anti-viral activity.
Material and Methods: To study the antimicrobial effect of rhamnolipid a cross-sectional study was conducted (from November 2019 to June 2020) on the eight different pathogenic bacterial strains. These bacterial strains were isolated from the organic compost. Both, disc diffusion and broth microdilution methods, were used to evaluate the inhibitory effects of rhamnolipids on these pathogenic bacteria. Also protease and amylase enzyme activity was evaluated in these eight bacterial isolates.
Results: For Bacillus stearothermophilus, within the area of 31.5 mm no growth was observed, hence proving the inhibitory effect of rhamnolipid. The minimum inhibitory (MIC) and minimum lethal concentrations (MLC) were calculated for each bacterial strain and it has been found that the bacteria were more susceptible to rhamnolipids than most of the antibiotics. Strains were also quantified for their enzymatic activity of proteases and amylases. The bacterial strains like; Bacillus stearothermophilus, Brevibacillus brevis, Bacillus licheniformis and Bordetella petrii showed maximum protease activity. Whereas, other strains Escherichia coli, Enterococcus faecalis, Enterobacter aerogenesis and Pseudomonas aeruginosa showed high amylase activity.
Conclusion: Rhamnolipids could be used as a potential anti-microbial agent for treatment of infections.
     
نوع مطالعه: پژوهشي | موضوع مقاله: ميکروبيولوژي
دریافت: 1399/6/24 | پذیرش: 1399/12/4 | انتشار: 1399/12/4

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