Hydrocarbonoclastic Ascomycetes to enhance co-composting of total petroleum hydrocarbon (TPH) contaminated dredged sediments and lignocellulosic matrices

被引：39
作者：
Becarelli, Simone [1 ,2 ]
Chicca, Ilaria [1 ,6 ]
Siracusa, Giovanna [1 ]
La China, Salvatore [1 ,5 ]
Gentini, Alessandro [3 ]
Lorenzi, Roberto [1 ]
Munz, Giulio [4 ]
Petroni, Giulio [1 ]
Levin, David B. [6 ]
Di Gregorio, Simona [1 ]
机构：
[1] Univ Pisa, Dept Biol, Via Luca Ghini 13, I-56123 Pisa, Italy
[2] BD Biodigressioni Srl, Pisa, Italy
[3] Teseco Bonif Srl, Pisa, Italy
[4] Univ Florence, Dept Environm & Civil Engn, Florence, Italy
[5] Univ Modena & Reggio Emilia, Reggio Emila, Italy
[6] Univ Manitoba, Dept Biosyst Engn, Winnipeg, MB, Canada
来源：
NEW BIOTECHNOLOGY | 2019年 / 50卷
关键词：
Ascomycetes; Bioremediation; Bioaugmentation; Arthrobacter sp; Brevibacterium sp; Lambertella sp; Penicillium sp; Clonostachys sp; Mucor sp; Diesel oil; Total petroleum hydrocarbons; Dredged sediments; Mycoremediation; POLYCYCLIC AROMATIC-HYDROCARBONS; ALIPHATIC-HYDROCARBONS; RIBOSOMAL-RNA; DEGRADATION; SOIL; BIOREMEDIATION; FUNGI; DIVERSITY; PCB; OIL;
D O I：
10.1016/j.nbt.2019.01.006
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Four new Ascomycete fungi capable of degrading diesel oil were isolated from sediments of a river estuary mainly contaminated by shipyard fuels or diesel oil. The isolates were identified as species of Lambertella, Penicillium, Clonostachys, and Mucor. The fungal candidates degraded and adsorbed the diesel oil in suspension cultures. The Lambertella sp. isolate displayed the highest percentages of oxidation of diesel oil and was characterised by the capacity to utilise the latter as a sole carbon source. This isolate showed extracellular laccase and Mn-peroxidase activities in the presence of diesel oil. It was tested for capacity to accelerate the process of decontamination of total petroleum hydrocarbon contaminated sediments, co-composted with lignocellulosic residues and was able to promote the degradation of 47.6% of the TPH contamination (54,074 +/- 321 mg TPH/Kg of sediment) after two months of incubation. The response of the bacterial community during the degradation process was analysed by 16S rRNA gene meta-barcoding.
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收藏
页码：27 / 36
页数：10
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