Effect of the high polycyclic aromatic hydrocarbon, benzo[a]pyrene, on the lipid content of Fusarium solani

The purpose of the present paper was to study the effect of the high polycyclic aromatic hydrocarbon (PAH), benzo[a]pyrene, on the lipid [fatty acid (FA) and sterol] composition and content of the fungi Fusarium solani and F. oxysporum, respectively recognized as good and poor PAH degraders. The maj...

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Bibliographic Details
Published in:Mycological research 2006-04, Vol.110 (4), p.479-484
Main Authors: Verdin, Anthony, Lounès-Hadj Sahraoui, Anissa, Laruelle, Frédéric, Grandmougin-Ferjani, Anne, Durand, Roger
Format: Article
Language:English
Subjects:
Benzo(a)pyrene - pharmacology
benzopyrene
Bioremediation
Chromatography, Gas
Ergosterol - metabolism
fatty acid composition
Fatty acids
Fatty Acids - metabolism
Fusarium - metabolism
Fusarium oxysporum
Fusarium solani
Life Sciences
lipid content
PAH
plant pathogenic fungi
polycyclic aromatic hydrocarbons
Sterols
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Summary:The purpose of the present paper was to study the effect of the high polycyclic aromatic hydrocarbon (PAH), benzo[a]pyrene, on the lipid [fatty acid (FA) and sterol] composition and content of the fungi Fusarium solani and F. oxysporum, respectively recognized as good and poor PAH degraders. The major FAs and the major sterol that characterized the tested Fusarium strains were C16:0, C18:1, C18:2, and ergosterol. Lipid profiles of F. solani remained unchanged with the addition of benzo[a]pyrene in the culture media at all concentrations and duration of treatment. However, in the presence of benzo[a]pyrene, significant decreases in FA content, which reached 18 % in young cultures and 28 % in mature colonies, were registered. Similarly, the sterol content of F. solani was reduced by 27 % in the presence of benzo[a]pyrene. In contrast, no modification in lipid profile and lipid content were observed with F. oxysporum, a strain recognized as a low benzo[a]pyrene degrader.
ISSN:0953-7562
1469-8102
DOI:10.1016/j.mycres.2005.12.003