Fungal bioprospecting and antifungal treatment on a deteriorated Brazilian contemporary painting.

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ID: 14658
2018
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Abstract
This study aims at identifying the populations of filamentous fungi present on a Brazilian contemporary painting, whose conservation status was compromised and showed evident signs of deterioration by microbial action. In addition, to correlate the biodeterioration potential of the isolated fungal strains, cellulolytic activity testing was performed and, finally, the biocide treatment against microbial growth was carried out. A total of nine isolates of filamentous fungi were detected and three distinct taxa were identified: Aspergillus flavus, Aspergillus niger and Penicillium citrinum. The detection of the enzymatic activity of the isolates by cellulolytic plate assay revealed the potential of filamentous fungal species in causing the deterioration of paintings. Our results showed that the presence of each strain of filamentous fungi correlated with the distribution of the paint colour, suggesting a tropism of certain species for specific dyes used. In addition, strains of A. niger showed a lower enzymatic activity index, despite the aesthetic damage that this fungal specie caused on the artwork. In conclusion, this study demonstrated that the identification of the microbiota obtained from the painting may help contrasting its biodeterioration and it described a successful antifungal treatment on a contemporary art piece. Contemporary art in Brazil arose from postmodernism, through the artistic manifestations included in the Neoconcrete Manifest of 1959, as well as with the use of innovative techniques. It was a consequence of the interaction between concept and language, displayed by the artists on a set of unconventional materials and objects. Despite being a 20th century painting, the concern of the artist to keep the art object in a good conservation state has driven the realization of this work and these microbial prospecting studies, associated with artwork deterioration, may contribute to the preservation of the Brazilian contemporary heritage.
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Authors Boniek, D;Bonadio, L;Santos de Abreu, C;Dos Santos, A F B;de Resende Stoianoff, M A;
Journal letters in applied microbiology
Year 2018
DOI
10.1111/lam.13054
URL
Keywords Keywords not found

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