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Coatings 2018, 8(4), 123; https://doi.org/10.3390/coatings8040123

Production of Antagonistic Compounds by Bacillus sp. with Antifungal Activity against Heritage Contaminating Fungi

1
HERCULES Laboratory, Évora University, Largo Marquês de Marialva 8, 7000-809 Évora, Portugal
2
Chemistry Department, School of Sciences and Technology, Évora University, Rua Romão Ramalho 59, 7000-671 Évora, Portugal
*
Author to whom correspondence should be addressed.
Received: 15 February 2018 / Revised: 15 March 2018 / Accepted: 21 March 2018 / Published: 28 March 2018
(This article belongs to the Special Issue Communications from TechnoHeritage 2017)
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Abstract

In recent years, the population has become acutely aware of the need to conserve the world’s resources. The study of new compounds produced by natural means is important in the search for alternative green solutions that act against biodeteriogenic fungi, which promote biodeterioration of built cultural heritage sites. The present paper reports new solutions, derived from Bacillus sp. CCLBH 1053 cultures, to produce lipopeptides (LPP) that can act as green biocides to promote the safeguarding of stone artwork. In the stationary phases of bacteria growth, peptone supplementation and sub-lethal heat activation improve the second cycle of sporulation, greatly enhancing LPP production. The bioactive compounds produced by Bacillus cultures suppress biodeteriogenic fungi growth on stone materials, and, hence, provide an important contribution to the development of new biocides for cultural heritage rehabilitation. View Full-Text
Keywords: culture heritage; biodegradation/biodeterioration; Bacillus sp.; bioactive compounds; sporulation; marble materials simulation; biocides culture heritage; biodegradation/biodeterioration; Bacillus sp.; bioactive compounds; sporulation; marble materials simulation; biocides
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Silva, M.; Rosado, T.; Gonzalez-Pérez, M.; Gobbo, D.; Teixeira, D.; Candeias, A.; Caldeira, A.T. Production of Antagonistic Compounds by Bacillus sp. with Antifungal Activity against Heritage Contaminating Fungi. Coatings 2018, 8, 123.

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