Caractérisation et maîtrise de la prolifération microbienne dans des produits biosourcés pour des bâtiments sains et durables

Abstract : Impacts of building on environment and on health of inhabitants are nowadays priority issues. The interest for earthen materials is increasing for many reasons (ecological, economical, etc.), but some questions are raised about their fungal proliferation sensitivity considering the quality of indoor air. This work consists in characterizing by cultural and metabarcoding methods the fungal and bacterial communities on the surface of earthen building materials, biobased or not, and raw materials. Detected fungi are related to those which are identified in conventional buildings. The addition of vegetal fibers don't modify the fungal communities structure, but make the material more favorable for proliferation. The fungal development appears only under water damage condition. Biocontrol methods with bacteria have been initiated in order to inhibit the fungal proliferation on these materials.
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Alexis Simons. Caractérisation et maîtrise de la prolifération microbienne dans des produits biosourcés pour des bâtiments sains et durables. Mycologie. Université Paul Sabatier - Toulouse III, 2018. Français. ⟨NNT : 2018TOU30246⟩. ⟨tel-02366368⟩

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