Comparative studies on lignin and polycyclic aromatic hydrocarbons degradation by basidiomycetes fungi

Arun, A.; Eyini, M.

doi:10.1016/j.biortech.2011.05.077

Cited by 63 publications

(25 citation statements)

References 25 publications

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“…Soil enrichment technique using mineral basal salts (MBS containing, per liter of distilled water, 1000 mg (NH 4 [5][6], and 1 mL of vitamin solution sterilized by filtration) medium supplemented with 0.2% phenanthrene was used as a carbon source for the isolation of PAH-degrading fungi, as described previusly by Hesham et al [14]. At the end of the enrichment process, fungal strains were isolated using MBS agar plates coated with phenanthrene as the sole carbon source [14,26].…”

Section: Enrichment and Isolation Of Pah-degrading Fungimentioning

confidence: 99%

“…They can also be found in various substances such as crude oil, coal, coal tar pitch, creosote, roofing tar and anthracene oil, which are commonly used pesticides for wood treatment [1 -4]. PAHs and their metabolites are documented to have mutagenic and carcinogenic characteristics for humans and animals [5,6]. Therefore, the removal of PAHs from the environment is a major concern since they can exert acute as well as chronic toxicity [7].…”

Section: Introductionmentioning

confidence: 99%

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Molecular Characterization of Fusarium Solani Degrades a Mixture of Low and High Molecular Weight Polycyclic Aromatic Hydrocarbons

Hesham¹,

Elsayed²,

Mawad³

et al. 2017

TOBIOTJ

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Objectives:This study evaluates the ability of a non-white rot fungus strain, HESHAM-1, to degrade a mixture of low (naphthalene and phenanthrene) and high (chrysene and benzo(a)pyrene) molecular weight polycyclic aromatic hydrocarbons (LMW and HMW PAHs). Methods:Strain HESHAM-1 was isolated from oil polluted soil by enrichment method using phenanthrene as the sole source of carbon and energy. The strain showed the ability to tolerate and degrade a mixture of both low and high molecular weight PAHs. In the presences of LMW-PAHs (naphthalene and phenanthrene) as co-substrate, chrysene and benzo(a)pyrene (HMW-PAHs) were, respectively degraded by the fungus strain HESHAM-1 which was confirmed by GC-MS analyses. Results:The degradation rate was found as 84.82% for naphthalene, 40.09% for phenanthrene, 57.84% for chrysene and 71.06% for benzo(a)pyrene at the end of 10 days. This is the first report describing the biodegradation of a mixture of four PAH compounds by non-white rot fungus strain HESHAM-1 isolated from Egyptian oil-polluted soil. The fungus strain HESHAM-1 was identified by morphological characteristics and molecular genetics technique based on PCR amplification and sequencing of the internal transcribed spacers (ITSs) of the rDNA region and intervening 5.8S rRNA gene. Blast result and phylogenetic analysis of gene sequencing suggested that strain HESHAM-1 was closely related to Fusarium solani with 100% sequence identity. Conclusion:The present study clearly demonstrates that, strain HESHAM-1 could be used to remove the crude oil from the environment.

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Section: Enrichment and Isolation Of Pah-degrading Fungimentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Molecular Characterization of Fusarium Solani Degrades a Mixture of Low and High Molecular Weight Polycyclic Aromatic Hydrocarbons

Hesham¹,

Elsayed²,

Mawad³

et al. 2017

TOBIOTJ

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“…However, acclimatization of their chosen strains in a particular environmental condition is very important for successful ex situ bioremediation of PAHs and heavy metal contaminated soil. Nevertheless, microbial degradation of PAHs in soil is restricted by various factors that often results in lower bioremediation efficiency than the expected level (Arun and Eyini 2011). Plant species like Cyperus odoratus, Cyperus laevigatus, Cyperus rotandus and Cyperus bravifolius have been identified for the degradation of total petroleum hydrocarbons by adding inorganic supplements (Basumatary et al 2012).…”

Section: Plant-microbes Association-assisted Removal Of Pahs and Heavmentioning

confidence: 99%

Plant-Microbe Association-Assisted Removal of Heavy Metals and Degradation of Polycyclic Aromatic Hydrocarbons

Sarma¹,

Prasad

2015

Springer Geology

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Contamination by polycyclic aromatic hydrocarbons and heavy metals is a rather serious problem across the world and poses a major threat to living organisms. These are considered to be carcinogens and are constituents of oil sludge. The magnitude of PAHs released into the environment has increased drastically in recent times. This is mostly due to petroleum waste or seepage during transportation of crude oil. There have been several instances of oil spills on the coasts of India and elsewhere. In northeast India, PAHs pollution is evident at the sites of drilling and refinery sites. The boiling points of high molecular weight PAHs are very high and they are almost difficult to decompose. Their hydrophobicity causes these compounds to accumulate and sequester in soil organic matter; thus, their desorption from soil limits the efficiency of biodegradation in situ. This chapter will focus on the various case studies where plant-microbe association has been used to assist bioremediation process of PAHs and heavy metals in oilcontaminated soil. Topics to be covered include how plants and microbes together effect the remediation process, bioavailability of PAHs, facilitating the movement of essential nutrients, air and water and production of biosurfactants in faster acceleration of the removal process.

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“…This ability in hydrocarbonoclastic bacterial consortium and bacterial products (surfactants) has been successfully used to degrade oil tank bottom sludge (Deka et al 2005;Gallego et al 2007;Zhang et al 2010). Fungi can degrade hydrocarbon fractions including complex aromatic compounds (Atagana, 1996;Li et al 2008;Wu et al 2008;Atagana, 2009;Haritash and Kaushik 2009;Arun and Eyini 2011) by a variety of mechanisms (Prenafeta-Boldu et al 2006). However, this ability has been less readily exploited (compared to bacteria) for oil tank bottom sludge treatment.…”

Section: Microbial Isolates and Microcosmsmentioning

confidence: 99%

Exploiting the intrinsic hydrocarbon-degrading microbial capacities in oil tank bottom sludge and waste soil for sludge bioremediation

Adetutu

Bird

Kadali

et al. 2014

Int. J. Environ. Sci. Technol.

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In this study, biological methods (biostimulation and bioaugmentation) were used to treat oil tank bottom sludge contaminated soils to total petroleum hydrocarbon (TPH) levels suitable for landfill disposal. The sludge's hydrocarbon-degrading microbial capacities were initially compared to those from other contaminated environments using culture-based methods. Results indicated that a fungus, Scedosporium dominated the sludge microbial community. Its application in a nutrient formulation resulted in greater reduction in oil tank bottom sludge viscosity (44 %) and residual soil hydrocarbon compared to hydrocarbonoclastic microorganisms from other sources (26.7 % reduction in viscosity). Subsequent field-based experiments showed greater TPH reduction (54 %) in fungal-nutrient-treated sludge-waste soils than in naturally attenuated controls (22 %) over 49 days. 16S ribosomal ribonucleic acid and internal transcribed spacer regionbased polymerase chain reactions and denaturing gradient gel electrophoresis analyses showed minimal effects on the microbial communities during this time. TPH reduction to landfill disposal levels occurred at a slower rate after this, falling below the 10,000 mg kg -1 legislated TPH disposal threshold earlier in amended samples (91.2 %; 9,500 mg kg -1 ) compared to the control (82 %; 17,000 mg kg -1 ) in 182 days. The results show that the intrinsic hydrocarbon-degrading microbial capacities in sludge are better suited for sludge degradation than those from other sources. The substantial TPH reduction observed in control samples demonstrates the beneficial effects of natural attenuation with waste soils for oil tank sludge treatment. Microbial capacities in sludge and treated waste soils can therefore be successfully employed for treating oil tank bottom sludge.

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Comparative studies on lignin and polycyclic aromatic hydrocarbons degradation by basidiomycetes fungi

Cited by 63 publications

References 25 publications

Molecular Characterization of Fusarium Solani Degrades a Mixture of Low and High Molecular Weight Polycyclic Aromatic Hydrocarbons

Molecular Characterization of Fusarium Solani Degrades a Mixture of Low and High Molecular Weight Polycyclic Aromatic Hydrocarbons

Plant-Microbe Association-Assisted Removal of Heavy Metals and Degradation of Polycyclic Aromatic Hydrocarbons

Exploiting the intrinsic hydrocarbon-degrading microbial capacities in oil tank bottom sludge and waste soil for sludge bioremediation

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