An Integrative Approach to Decipher the Chemical Antagonism between the Competing Endophytes Paraconiothyrium variabile and Bacillus subtilis.

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Deputy Director of National Reference Center
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Protection of the human gut microbiome from antibiotics

Antiviral Immune Response and the Route of Infection in Drosophila melanogaster

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Published in Journal of natural products - 22 Nov 2017

Vallet M, Vanbellingen QP, Fu T, Le Caer JP, Della-Negra S, Touboul D, Duncan KR, Nay B, Brunelle A, Prado S,

Link to Pubmed [PMID] – 29139291

Link to DOI – 10.1021/acs.jnatprod.6b01185

J Nat Prod 2017 Nov; 80(11): 2863-2873

An integrative approach combining traditional natural products chemistry, molecular networking, and mass spectrometry imaging has been undertaken to decipher the molecular dialogue between the fungus Paraconiothyrium variabile and the bacterium Bacillus subtilis, which were isolated as endophytes from the conifer Cephalotaxus harringtonia and are characterized by a strong and mutual antibiosis. From this study, we highlight that bacterial surfactins and a fungal tetronic acid are involved in such competition and that the fungus is able to hydrolyze surfactins to fight against the bacterial partner.

Published on: 22 Nov 2017