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Journal Articles Fungal Genetics and Biology Year : 2015

Screen for soil fungi highly resistant to dichloroaniline uncovers mostly Fusarium species

Abstract

Arylamines are frequent pollutants in soils. Fungi have proven to be efficient in detoxifying these chemicals by acetylating them using arylamine N-acetyl transferase enzymes. Here, we selected from natural soils fungi highly resistant to 3,4-dichloroaniline (DCA). Fusarium species were the most frequently isolated species, especially Fusarium solani. The sequenced strain of F. solani contains five NAT genes, as did all the DCA-resistant isolates. RT-PCR analysis showed that the five genes were expressed in F. solani. Expression of the F. solani genes in Podospora anserina and analysis of acetylation directly in F. solani showed that only the NhNAT2B gene conferred significant resistance to DCA and that F. solani likely uses pathways different from acetylation to resist high doses of DCA, as observed previously for Trichoderma.
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hal-03153538 , version 1 (26-02-2021)

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Laetitia Chan Ho Tong, Julien Dairou, Linh-Chi Bui, Julien Bouillon, Fernando Rodrigues-Lima, et al.. Screen for soil fungi highly resistant to dichloroaniline uncovers mostly Fusarium species. Fungal Genetics and Biology, 2015, 81, pp.82-87. ⟨10.1016/j.fgb.2015.05.011⟩. ⟨hal-03153538⟩
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