ArticleBrazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]2022
Characterization of biosurfactant produced in response to petroleum crude oil stress by Bacillus sp. WD22 in marine environment.
Article in Brazilian journal of microbiology : [publication of the Brazilian Society for 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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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Application of biosurfactants as remediation option in the bioremediation of synthetic dyes.Biodegradation · 2026Review
- Marine-DerivedMicroorganisms · 2026Article
- Activity evaluation and composition analysis of biosurfactants produced by an obligate cold-adapted bacterium Pedobacter sp. NJ-S-72 isolated from Antarctica.World journal of microbiology & biotechnology · 2026Article
- Bioremediation of petroleum refinery wastewater using Bacillus subtilis IH-1 and assessment of its toxicity.Archives of microbiology · 2024Article
- Production, characterization, and application of Pseudoxanthomonas taiwanensis biosurfactant: a green chemical for microbial enhanced oil recovery (MEOR).Scientific reports · 2024Article
- Microbial Biosurfactant as an Alternate to Chemical Surfactants for Application in Cosmetics Industries in Personal and Skin Care Products: A Critical Review.BioMed research international · 2023Review
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Bacillus sp. WD22, previously isolated from refinery effluent, degraded 71% of C8 hydrocarbons present in 1.0% v/v PCO in seawater (control medium), which reduced to 16.3%, on addition of yeast extract. The bacteria produced a biosurfactant in both media, whose surface was observed to be amorphous in nature under FESEM-EDAX analysis. The biosurfactant was characterized as a linear surfactin by LCMS and FT-IR analysis. The critical micelle concentration was observed as 50 mg/L and 60 mg/L at which the surface tension of water was reduced to 30 mN/m. Purified biosurfactant could emulsify petroleum-based oils and vegetable oils effectively and was stable at all tested conditions of pH, salinity and temperature up to 80 °C. The biosurfactant production was found to be mixed growth associated in control medium, while it was strictly growth associated in medium with yeast extract as studied by the Leudeking-Piret model.
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Registered trials
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