Please use this identifier to cite or link to this item: http://hdl.handle.net/2067/47597
Title: Assessment of degradation potential of aliphatic hydrocarbons by autochthonous filamentous fungi from a historically polluted clay soil
Authors: Covino, Stefano
D'Annibale, Alessandro 
Cajthaml, Tomas
Čvančarová, Monika
Stella, Tatiana
Petruccioli, Maurizio 
Stazi Silvia Rita
Journal: SCIENCE OF THE TOTAL ENVIRONMENT 
Issue Date: 2015
Abstract: 
The present work was aimed at isolating and identifying the main members of the mycobiota of a clay soil historically contaminated by mid- and long-chain aliphatic hydrocarbons (AH) and to subsequently assess their hydrocarbon-degrading ability. All the isolates were Ascomycetes and, among them, the most interesting was Pseudoallescheria sp. 18A, which displayed both the ability to use AH as the sole carbon source and to profusely colonize a wheat straw:poplar wood chip (70:30, w/w) lignocellulosic mixture (LM) selected as the amendment for subsequent soil remediation microcosms. After a 60 d mycoaugmentation with Pseudoallescheria sp. of the aforementioned soil, mixed with the sterile LM (5:1 mass ratio), a 79.7% AH reduction and a significant detoxification, inferred by a drop in mortality of Folsomia candida from 90 to 24%, were observed. However, similar degradation and detoxification outcomes were found in the non-inoculated incubation control soil that had been amended with the sterile LM. This was due to the biostimulation exerted by the amendment on the resident microbiota, fungi in particular, the activity and density of which were low, instead, in the non-amended incubation control soil.
URI: http://hdl.handle.net/2067/47597
ISSN: 0048-9697
DOI: 10.1016/j.scitotenv.2014.10.027
Rights: Attribution-NonCommercial-NoDerivatives 4.0 International
Appears in Collections:A1. Articolo in rivista

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