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References [1] Alcade M, Ferrer M, Plou FJ, Ballesteros A. Environmental biocatalysis: from remediation with enzymes to novel green processes. Trend Biotechnol. 2006;24:281-287. DOI: 10.1016/j.tibtech.2006.04.002. [2] Ayotamuno JM, Kogbara RB, Agoro OS. Biostimulation supplemented with phytoremediation in the reclamation of a petroleum contaminated soil. World J Microb Biot. 2009;25:1567-1572. DOI: 10.1007/s11274-009-0045-z. [3] Nath A, Chakraborty S, Bhattacharjee C. 20 - bioreactor and enzymatic reactions in bioremediation. In: Das S, editor. Microbial

, 737, pp. 285-293 [7] Ellwardt, P. (1977). Variation in content of polycyclic aromatic hydrocarbons in soil and plants by using municipal waste composts in agriculture (In: Proceedings on a symposium on soil organic matter studies, Braunschweig, 1, pp. 291-298, Vienna 1976. [8] Kowalczyk, A., Michniewicz, M. & Robak, M., (2009). Yarrowia lipolytica in bioremediation: cells entrapped in alginate and their influence on autochthonic mikroflora and oats germination, Acta Scientiarum Polonorum, Biotechnologia, 8 (3), pp. 15-24. (in Polish) [9] Liu, X.Q. & Jagendorf, A

indigenous microorganisms for sustainable environment. 3 Biotech. 2015;5(6):867. DOI: 10.1007/s13205-015-0293-6. [13] Zhang S, Wang Q, Wan R, Xie S, Zhejiang J. Changes in bacterial community of anthracene bioremediation in municipal solid waste composting soil. Univ Sci B. 2011;12(9):760-768. DOI: 10.1631/jzus.B1000440. [14] Chen WY, Wu JH, Lin YY, Huang HJ, Chang JE. Bioremediation potential of soil contaminated with highly substituted polychlorinated dibenzo-p-dioxins and dibenzofurans: microcosm study and microbial community analysis. J Hazard Mater. 2013


Petroleum and hydrocarbons contamination can be remediated by physical, chemical or biological methods. Among these, in situ bioremediation is considered to be environmentally friendly because it restores the soil structure, requires less energy input and involves the notable removal after degradation of biosurfactant. The present study involves the characterization and assessment of biosurfactant producing indigenous hydrocarbonoclastic bacteria and their potential application in bioremediation processes. Three bacterial strains were isolated from various crude oil contaminated environments and characterized using standard identification techniques. The results clearly demonstrate the capability of utilizing hydrocarbon and biosurfactant produced by the bacterial strains. 16S rDNA sequencing followed by BLAST analysis revealed their similarity to Pseudomonas aeruginosa. The physico-chemical characterization of the biosurfactants revealed significant surface properties with stability at extreme temperature conditions (up to 121˚C), pH (5 - 8) and salinity (up to 4 %). Further, the mass spectrometry confirmed predominance of di-rhamnolipids in biosurfactant mixtures. The biosurfactants were found to be efficient in the removal of crude oil from the contaminated sand suggesting its applicability in bioremediation technology. Further, improved discharge of crude oil at elevated temperatures also confirms their thermo-stability which, could be exploited in microbial enhanced oil recovery processes. Thus, the applications of biosurfactants produced by the indigenous hydrocarbonoclastic strains appeared to be advantageous for bioremediation of petroleum-contaminated environments.

REFERENCES Adebusoye S. A. – Ilori M. O. – Amund O. O. – Teniola O. D. – Olaope S. O. (2007) Microbial degradation of petroleum hydrocarbons in polluted tropical stream , World Journal of Microbiology and Biotechnology, 23, 1149-1159. Adegoke O. S. (2000) Historical perspective of bitumen/tar sand development in Southwestern Nigeria , Proceedings. of the 1 st International Summit on Bitumen in Nigeria, 131-140. Alexander M. (1999) Biodegradation and Bioremediation , Academic Press, San Diego, CA, U.S.A., 1-70. Amund O. O. – Igiri C. O. (2000). Biodegradation of

. Long-term SPI drought forecasting in the Awash River Basin in Ethiopia using wavelet-support vector regression models. Journal of Hydrology. Vol. 508 p. 418–429. B lum C. 2005. Beam-ACO–hybridizing ant colony optimization with beam search: an application to open shop scheduling. Computers and Operations Research. Vol. 32. Iss. 6 p. 1565–1591. B orden R.C., B edient P.B. 1986. Transport of dissolved hydrocarbons influenced by oxygen-limited bioremediation. 1. Theoretical development. Water Resources Research. Vol. 22. Iss. 13 p. 1973–1990. B utler C., A damowski

Polskie poligony w aspekcie realizowanych działań militarnych i rekultywacji terenów popoligonowych

., Huang, C., Wu, M., Xie, W. & Wang, H. (2009). Effects of nickel on cyclin expression, cell cycle progression and cell proliferation in human pulmonary cells. Canc. Epidem. Biomark. Prev. 18, 1720–9. DOI: 10.1158/1055-9965.EPI-09-0115. 4. Ahemad, M. (2012). Implications of bacterial of resistance against heavy metals in bioremediation: a review. IIOABJ. 3, 39–46. 5. Magaye, R., Zhou, Q., Bowman, L., Zou, B., Mao, G., Xu, J., Castranova, V., Zhao, J. & Ding, M. (2014). Metallic Nickel Nanoparticles May Exhibit Higher Carcinogenic Potential than Fine Particles in JB6

References Al-Wasify, R.S. & Hamed, S.R. (2014). Bacterial biodegradation of crude oil using local isolates, Internationl Journal of Bacteriology , 2014, pp. 1–8. Barmforth, S.M & Singleton, I. (2005). Bioremediation of PAHs: Current knowledge and future direction, Journal of Chemical Technology and Biotechnology, 80, pp. 723–736. Barnabas, J., Saha, S., Singh, V. & Das, S. (2013). Effect of enzymes extracts on bacterial degradation of garage petroleum oils, Journal of Environmental Science, Computer Science and Engineering & Technology, 2, 2, pp. 206

References Ahmed MJ, Alam M (2003) A rapid spectrophotometric method for the determination of mercury in environmental, biological, soil and plant samples using diphenylthiocarbazone. Spectroscopy 17: 45-52. Alvarez A, Saez JM, Costa JSD, Colin VL, Fuentes, MS, Cuozzo SA, Amoroso MJ (2017) Actinobacteria: Current research and perspectives for bioremediation of pesticides and heavy metals. Chemosphere 166: 41-62. Boriová K, Urík M, Matus P (2015) Biosorption, bioaccumulation, biovolatilization of potentially toxic elements by microorganisms. Chem. Listy 1092: 109