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Addressing biodeterioration at UNESCO stone monuments: Tomar convent and Batalh...
Silva, I; Salvador, Cátia; Miller, A; Candeias, A; Caldeira, A TeresaBiodeterioration poses a major challenge to the conservation of stone monuments, particularly in UNESCO World Heritage sites like the Convent of Christ and the Batalha Monastery in Portugal. This study introduces novel sampling locations in both monuments, allowing a more targeted characterization of the eukaryotic microbial communities colonizing the Convent of Christ’s stone surfaces. Microbiota distribution ...
From cultural and natural heritage to reservoir of biomedicine: Prospection of ...
Gatinho, P; Salvador, Cátia; Gutierrez-Patricio, S; Arantes, S; Martins, M R; Silva, A; Miller, A; Caldeira, A TeresaCaves, with distinctive features and specialized ecosystems, harbour microorganisms that have adapted metabolically to survive in seemingly harsh conditions with limited essential elements. Despite the potential threat of biodeterioration to subterranean heritage due to microbial proliferation, caves serve as vital reservoirs of bioactive compounds produced by subsurface-adapted microorganisms. These microorgan...
The Decorated Garden Grotto of Condes de Basto Palace in Évora, Portugal: Micro...
Silva, I; Salvador, Cátia; Arantes, S; Miller, A; Candeias, A; Caldeira, A TeresaThe Eugénio de Almeida Foundation’s Casa de Fresco is a historical monument of valuable historic–artistic significance, which currently reveals an assortment of biofilms due to the proliferation of microorganisms in the stone and rocaille elements. The biodeterioration in this area was studied as part of the Conservation and Restoration Project. We effectively characterized the local microbial community using m...
Microbial induced stone discoloration in alcobaça monastery: A comprehensive study
Silva, I; Dias, L; Salvador, Cátia; Miller, A; Candeias, A; Caldeira, A TeresaThe Alcobaça Monastery (Portugal), a UNESCO World Heritage Site, currently exhibits a high degree of surface alterations of the stone architectural elements inside the church, including an extensive pink coloration in the walls and columns, bacteria biofilms, and salt efflorescences. The main goal was to identify the microbiota that colonizes the walls and columns of this monument, to help custodians and conser...
Microbial induced stone discoloration in alcobaça monastery: A comprehensive study
Silva, Inês; Salvador, Cátia; Miller, Ana; Dias, Luís; Candeias, António; Caldeira, Ana TeresaThe Alcobaça Monastery (Portugal), a UNESCO World Heritage Site, currently exhibits a high degree of surface alterations of the stone architectural elements inside the church, including an extensive pink coloration in the walls and columns, bacteria biofilms, and salt efflorescences. The main goal was to identify the microbiota that colonizes the walls and columns of this monument, to help custodians and conser...
The Role of Microorganisms in Pink Stone Discoloration: Insights from Batalha M...
Silva, Inês; Salvador, Cátia; Miller, Ana; Candeias, António; Caldeira, Ana TeresaThe colonization of historical buildings and monuments by fungi, algae, and bacteria is a common phenomenon. This often leads to deterioration processes that cause either visual or structural harm. The Batalha Monastery in Portugal, a UNESCOWorld Heritage Site, currently shows significant surface changes to the stone architectural elements within both the Founder’s Chapel and the church, including a widespread ...
Exploring Antimicrobial Activity of Pristine Environment Bacterial Extracts Aga...
Gatinho, Patrícia; Salvador, Cátia; Miller, Ana; Caldeira, Ana TeresaBiodeterioration caused by biodeteriogenic microorganisms is a significant challenge for the preservation of Cultural Heritage. These microorganisms can harm important artworks, monuments, and historical sites, leading to their deterioration over time. Traditional methods to combat this issue often rely on biocides, which are chemical agents that kill or inhibit these harmful organisms. However, many biocides a...
From Biofilms to Preservation: Addressing Microbial-Induced Stone Discoloration...
Silva, Inês; Salvador, Cátia; Miller, Ana; Candeias, António; Caldeira, Ana TeresaThroughout history, stone has been a preferred material for the construction of iconic structures due to its aesthetic appeal and intrinsic properties. However, like other construction materials, stone is subject to continuous deterioration by microorganisms, making its preservation critical for the protection of cultural heritage. Batalha Monastery (Portugal), a UNESCO World Heritage Site, exhibits notable sur...
Biotechnological Sustainable Production of Killer Yeast Toxins for Cultural Her...
Gatinho, Patrícia; Caldeira, Inês; Caldeira, A. Teresa; Salvador, CátiaThe issue of biodeterioration in the preservation of Cultural Heritage has gained significant attention, underscoring the necessity for novel approaches and advancements in this field. To tackle this issue, there is a pressing demand for innovative solutions. While synthetic polymers are frequently employed to combat biodeterioration in heritage items, they exhibit drawbacks such as high toxicity, short-lived e...
Unveiling Microbiota within the Rocaille-Adorned Garden Grotto at Condes de Bas...
Silva, Inês; Salvador, Cátia; Arantes, Sílvia; Miller, Ana; Candeias, António; Caldeira, A. TeresaBiodeterioration of Cultural Heritage is the consequence of interactions between living organisms, material support and environmental conditions. In stone materials, deterioration by fungi is mainly the result of mechanical, chemical, and physical processes, consisting essentially of penetration of hyphae, production of fruiting bodies, production and release of destructive extracellular organic acids, enzymes,...