The Decorated Garden Grotto of Condes de Basto Palace in Évora, Portugal: Microbial Community Characterization and Biocide Tests for Conservation

The 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 pa...

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Main Authors: Inês Silva, Cátia Salvador, Sílvia Arantes, Ana Z. Miller, António Candeias, Ana Teresa Caldeira
Format: Article
Language:English
Published: MDPI AG 2024-02-01
Series:Micro
Subjects:
Online Access:https://www.mdpi.com/2673-8023/4/1/8
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author Inês Silva
Cátia Salvador
Sílvia Arantes
Ana Z. Miller
António Candeias
Ana Teresa Caldeira
author_facet Inês Silva
Cátia Salvador
Sílvia Arantes
Ana Z. Miller
António Candeias
Ana Teresa Caldeira
author_sort Inês Silva
collection DOAJ
description The 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 modern high-throughput DNA analysis. Our results suggested the existence of a variety of lichens or lichenized fungi, including genera such as <i>Variospora</i>, <i>Verrucaria</i>, <i>Circinaria</i>, and <i>Caloplaca</i>. Furthermore, we detected several prokaryote microorganisms related to the identification of these lichens. To properly deal with this microbiological issue and avoid fungal recolonization, we evaluated available commercial antimicrobial treatments.
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spelling doaj.art-80ab58aeec144c2192b682137e318bab2024-03-27T13:54:45ZengMDPI AGMicro2673-80232024-02-014111713110.3390/micro4010008The Decorated Garden Grotto of Condes de Basto Palace in Évora, Portugal: Microbial Community Characterization and Biocide Tests for ConservationInês Silva0Cátia Salvador1Sílvia Arantes2Ana Z. Miller3António Candeias4Ana Teresa Caldeira5HERCULES Laboratory & IN2PAST—Associate Laboratory for Research and Innovation in Heritage, Arts, Sustainability and Territory, University of Évora, Largo Marquês de Marialva 8, 7000-809 Évora, PortugalHERCULES Laboratory & IN2PAST—Associate Laboratory for Research and Innovation in Heritage, Arts, Sustainability and Territory, University of Évora, Largo Marquês de Marialva 8, 7000-809 Évora, PortugalHERCULES Laboratory & IN2PAST—Associate Laboratory for Research and Innovation in Heritage, Arts, Sustainability and Territory, University of Évora, Largo Marquês de Marialva 8, 7000-809 Évora, PortugalHERCULES Laboratory & IN2PAST—Associate Laboratory for Research and Innovation in Heritage, Arts, Sustainability and Territory, University of Évora, Largo Marquês de Marialva 8, 7000-809 Évora, PortugalHERCULES Laboratory & IN2PAST—Associate Laboratory for Research and Innovation in Heritage, Arts, Sustainability and Territory, University of Évora, Largo Marquês de Marialva 8, 7000-809 Évora, PortugalHERCULES Laboratory & IN2PAST—Associate Laboratory for Research and Innovation in Heritage, Arts, Sustainability and Territory, University of Évora, Largo Marquês de Marialva 8, 7000-809 Évora, PortugalThe 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 modern high-throughput DNA analysis. Our results suggested the existence of a variety of lichens or lichenized fungi, including genera such as <i>Variospora</i>, <i>Verrucaria</i>, <i>Circinaria</i>, and <i>Caloplaca</i>. Furthermore, we detected several prokaryote microorganisms related to the identification of these lichens. To properly deal with this microbiological issue and avoid fungal recolonization, we evaluated available commercial antimicrobial treatments.https://www.mdpi.com/2673-8023/4/1/8stone monumentspatrimony biodeteriorationmetagenomic approachlichenized fungiantimicrobial activityheritage conservation
spellingShingle Inês Silva
Cátia Salvador
Sílvia Arantes
Ana Z. Miller
António Candeias
Ana Teresa Caldeira
The Decorated Garden Grotto of Condes de Basto Palace in Évora, Portugal: Microbial Community Characterization and Biocide Tests for Conservation
Micro
stone monuments
patrimony biodeterioration
metagenomic approach
lichenized fungi
antimicrobial activity
heritage conservation
title The Decorated Garden Grotto of Condes de Basto Palace in Évora, Portugal: Microbial Community Characterization and Biocide Tests for Conservation
title_full The Decorated Garden Grotto of Condes de Basto Palace in Évora, Portugal: Microbial Community Characterization and Biocide Tests for Conservation
title_fullStr The Decorated Garden Grotto of Condes de Basto Palace in Évora, Portugal: Microbial Community Characterization and Biocide Tests for Conservation
title_full_unstemmed The Decorated Garden Grotto of Condes de Basto Palace in Évora, Portugal: Microbial Community Characterization and Biocide Tests for Conservation
title_short The Decorated Garden Grotto of Condes de Basto Palace in Évora, Portugal: Microbial Community Characterization and Biocide Tests for Conservation
title_sort decorated garden grotto of condes de basto palace in evora portugal microbial community characterization and biocide tests for conservation
topic stone monuments
patrimony biodeterioration
metagenomic approach
lichenized fungi
antimicrobial activity
heritage conservation
url https://www.mdpi.com/2673-8023/4/1/8
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