Environ. 71, no. Enrichment and characterization of hydrocarbon-degrading bacteria from petroleum refinery waste as potent bioaugmentation agent for in situ bioremediation. Rev. 6170, 2004. (2018). Many normal and extreme bacterial species have been isolated and utilized as biodegraders for dealing with petroleum hydrocarbons. doi: 10.1128/AEM.68.11.5625-5633.2002, Kleindienst, S., Paul, J. H., and Joye, S. B. doi: 10.1007/s00792-017-0968-5, Zheng, J., Feng, J. Q., Zhou, L., Mbadinga, S. M., Gu, J. D., and Mu, B. This is an open access article distributed under the. (2007) found that the adherence of Bacillus sp. Presence of some species led to greater TPH disappearance than with other species or in unvegetated soil. During petroleum production, storage and transportation, refining and processing, as well as spills and discharges of petroleum hydrocarbons often occur as a result of blowout accidents during oilfield development, leakage from oil pipelines and storage tanks, oil tanker and tanker leakage accidents, oil well waxing, and during overhauls of refineries and petrochemical production equipment (Chaerun et al., 2004; Chen et al., 2015; Wang C. et al., 2018). Environ. M. Kumar, V. Len, A. Ecotoxicol. Int. Pollut. 129, 210218. 23332340, 1996. 33, 745755. A new look on factors affecting microbial degradation of petroleum hydrocarbon pollutants. If these microorganisms are present, then optimal rates of growth and hydrocarbon biodegradation can be sustained by ensuring that adequate concentrations of nutrients and oxygen are present and that the pH is between 6 and 9. 127137, 1985. 37, no. Li, D., Xu, X., Zhai, Z., Yu, H., and Han, X. 17221732, 2003. Microbiol. doi: 10.1007/BF00409840, Chaerun, S. K., Tazaki, K., Asada, R., and Kogure, K. (2004). isolated from a tropical environment, Chemosphere, vol. doi: 10.1016/j.ibiod.2008.10.004, Overholt, W. A., Marks, K. P., Romero, I. C., Hollander, D. J., Snell, T. W., and Kostka, J. E. (2015). 54, no. 225232, 2006. Environ. The diversity of alkaneoxygenase systems in prokaryotes and eukaryotes that are actively participating in the degradation of alkanes under aerobic conditions like Cytochrome P450 enzymes, integral membrane di-iron alkane hydroxylases (e.g., alkB), soluble di-iron methane monooxygenases, and membrane-bound copper containing methane monooxygenases have been discussed by Van Beilen and Funhoff [80]. Use of poultry manure as organic fertilizer in contaminated soil was also reported [73], and biodegradation was found to be enhanced in the presence of poultry manure alone. XX and HY contributed to the writing of the manuscript. Environ. Abbasian, F., Lockington, R., Mallavarapu, M., and Naidu, R. (2015). B. M. Applegate, S. R. Kehrmeyer, and G. S. Sayler, A chromosomally based tod-luxCDABE whole-cell reporter for benzene, toluene, ethybenzene, and xylene (BTEX) sensing, Applied and Environmental Microbiology, vol.
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The potential benefits of using genetically modified bacteria are significant. 9, pp. Hence, the application of bulking agents such as saw dust into the soil to increase permeability or other electron acceptors (NO3-, Fe3+, or Mn2+) into anoxic environments to stimulate anaerobic microorganisms is often more economical than oxygen supplementation (Zedelius et al., 2011; Brown et al., 2017). Sun, Y. 113125, 1998. 2, pp. J. C. Okolo, E. N. Amadi, and C. T. I. Odu, Effects of soil treatments containing poultry manure on crude oil degradation in a sandy loam soil, Applied Ecology and Environmental Research, vol. Curr. Biosurfactants produced by microorganisms. Proc. The scope of current understanding of oil bioremediation is also limited because the emphasis of most of these field studies and reviews has been given on the evaluation of bioremediation technology for dealing with large-scale oil spills on marine shorelines. Indeed, many studies have revealed that there is a large number of hydrocarbon-degrading bacteria in oil-rich environments, such as oil spill areas and oil reservoirs (Hazen et al., 2010; Yang et al., 2015), and that their abundance and quantity are closely related to the types of petroleum hydrocarbons and the surrounding environmental factors (Fuentes et al., 2015; Varjani and Gnansounou, 2017). Soluble and non-soluble nutrients suffer from problems in the actual remediation, leading to low bioremediation efficiencies (Ron and Rosenberg, 2014). Inhibition of phenanthrene mineralization by nonionic surfactants in soil-water systems. 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It is concluded as follows: (1) Continue the theoretical basis of the interfacial interaction mechanism between bacteria and petroleum hydrocarbons in order to overcome barriers for microbial uptake of petroleum hydrocarbons, (2) develop novel biocompatible surfactants to enhance contact between bacteria and petroleum hydrocarbons, (3) explore undiscovered resources of petroleum hydrocarbon-degrading bacteria via new biotechnology, such as a high-throughput screening method to increase and enrich functional bacterial resources, (4) further optimize the strategy of artificial microbial consortia, such as by way of the metagenome enrichment approach to enrich and develop preferable consortia, (5) explore the novel functional genes controlling the pathway of hydrocarbon degradation to provide new looks on the molecular mechanism and microbial remediation, and (6) construct genetically engineered bacteria by using synthetic biology technology to give them more ability for petroleum hydrocarbon degradation. A. D. Venosa, M. T. Suidan, and M. T. Suidan, Bioremediation of an experimental oil spill on the shoreline of Delaware Bay, Environmental Science and Technology, vol. 6, pp. Many environmental factors such as temperature, nutrients, electron acceptors and substrates play vital roles in bioremediation and influence biodegradation reactions (Varjani and Upasani, 2017). 2, pp. Metabolism and toxicity of 1-and 2-methylnaphthalene and their derivatives in cyanobacteria. O. S. Obayori, M. O. Ilori, S. A. Adebusoye, G. O. Oyetibo, A. E. Omotayo, and O. O. Amund, Degradation of hydrocarbons and biosurfactant production by Pseudomonas sp. strain LH128 showed a dramatic decrease in colony forming units (CFU) within 4 h and entered a viable but nonculturable (VBNC)-like state upon inoculation into phenanthrene spiked soil based on physiological and transcriptome analysis, which could be related to the response to environmental stimuli in the soil by expression of stress protective mechanisms. Environ. 3, pp. Nat. Environ. 5499, pp. J. L. Ramos, A. Wasserfallen, K. Rose, and K. N. Timmis, Redesigning metabolic routes: manipulation of TOL plasmid pathway for catabolism of alkylbenzoates, Science, vol. Although some bacteria have been reported to mineralize petroleum hydrocarbons completely within several days, or even less than 1 day under culture conditions, the degradation efficiency of these bacteria makes it difficult to meet the expected effects in practical usage (Chen et al., 2017; Zheng et al., 2018). Liu, S., Guo, C., Liang, X., Wu, F., and Dang, Z. Nutrients are very important ingredients for successful biodegradation of hydrocarbon pollutants especially nitrogen, phosphorus, and in some cases iron [34]. Technol. Enzymatic reactions involved in the processes of hydrocarbons degradation. J. Influence of adhesion on aerobic biodegradation and bioremediation of liquid hydrocarbons. 136, 177183. B. R. N. Z. A. Ilzins, and L. 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Timmis, Assemblage of ortho cleavage route for simultaneous degradation of chloro- and methylaromatics, Science, vol. Can. Biodegrad. Petroleum hydrocarbons can be divided into four classes: the saturates, the aromatics, the asphaltenes (phenols, fatty acids, ketones, esters, and porphyrins), and the resins (pyridines, quinolines, carbazoles, sulfoxides, and amides) [19].
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