Characterization and statistical optimization of biosurfactant production using Bacillus subtilis isolated from automotive oil-contaminated soil in Yola, Nigeria

The application of biosurfactant-producing bacteria immobilized in PVA/SA/bentonite bio-composite for hydrocarbon-contaminated soil bioremediation

“…Furthermore, B. subtilis also had been reported isolate from oil product. 38 Zhao et al 39 showed B. subtilis produced C13-, C14- and C15-surfactin congeners and Tao et al 40 examined B. subtilis degraded crude oil within degradation ratio approximately 85%. Meanwhile study about R. pickettii was still minority.…”

“…The ability of each bacterium during the degradation process was influenced by its ability to face resistant conditions in the oil. 38 This condition caused bacteria was able to die/in-active, then involved in decreasing performance in degradation. Also, the performance of bacteria was influenced by the degradative enzymes produced by each bacterium.…”