The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery

Silva, Inês; Salvador, Catía; Miller, A. Z.; Candeias, António; Caldeira, Ana Teresa; Fundação para a Ciência e a Tecnologia (Portugal)

The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery

20 páginas.- 14 figuras.- 4 tablas.- 73 referencias

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Bibliographic Details
Main Authors:	Silva, Inês, Salvador, Catía, Miller, A. Z., Candeias, António, Caldeira, Ana Teresa
Other Authors:	Fundação para a Ciência e a Tecnologia (Portugal)
Format:	artículo biblioteca
Language:	English
Published:	Multidisciplinary Digital Publishing Institute 2024-12-14
Subjects:	Batalha Monastery, Biodeterioration phenomena, Metagenomic approach, Pink discoloration, Stone materials,
Online Access:	http://hdl.handle.net/10261/375676
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spelling	dig-irnas-es-10261-3756762025-01-08T10:16:26Z The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery Silva, Inês Salvador, Catía Miller, A. Z. Candeias, António Caldeira, Ana Teresa Fundação para a Ciência e a Tecnologia (Portugal) Salvador, Catía [0000-0003-1797-1404] Miller, A. Z. [0000-0002-0553-8470] Caldeira, Ana Teresa [0000-0001-5409-6990] Silva, Inês [0000-0002-7397-4338] Batalha Monastery Biodeterioration phenomena Metagenomic approach Pink discoloration Stone materials 20 páginas.- 14 figuras.- 4 tablas.- 73 referencias The 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 UNESCO World Heritage Site, currently shows significant surface changes to the stone architectural elements within both the Founder’s Chapel and the church, including a widespread pink discoloration on the walls and columns. The main goal of this study was to analyze the biological colonization and assess the influence of bacterial communities on the biodeterioration of Ançã limestone, providing valuable insights to help conservators and restorers select the best preservation strategies for the monastery. The prokaryote population was characterized using both high-throughput DNA sequencing and culture-dependent methods and several orange-pink pigment-producing bacteria were identified, for example, Bacillus, Gordonia, Serratia and Methylobacterium, as well as Halalkalicoccus, an abundant archaeal genus. The pink discoloration observed could be due to biofilms created by bacteria that produce pigments, namely carotenoids. Biocolonization tests were performed using stone mock-ups, which were prepared and inoculated with the bacteria isolated in this study. These tests were designed to replicate the natural conditions of the monastery and monitor the colonization process to understand the discoloration phenomenon. © 2024 by the authors. This work was funded by national funds through the FCT—Foundation for Science and Technology, I.P.—under the projects UI/BD/153582/2022 (I. Silva PhD Grant), C. Salvador (DOI: 10.54499/DL57/2016/CP1372/CT0019), UIDB/04449/2020 (HERCULESLab), IN2PAST (DOI: 10.54499/LA/P/0132/2020), ART3mis (DOI: 10.54499/2022.07303.PTDC), MICROCENO (DOI: 10.54499/PTDC/CTA-AMB/0608/2020), and Old Goa Revelations (DOI: 10.54499/2022.10305.PTDC). Peer reviewed 2025-01-08T10:16:26Z 2025-01-08T10:16:26Z 2024-12-14 artículo Publisher's version Micro 5(4): 778-797 (2024) http://hdl.handle.net/10261/375676 10.3390/micro4040048 2673-8023 en http://dx.doi.org/10.3390/micro4040048 Sí open Multidisciplinary Digital Publishing Institute
institution	IRNAS ES
collection	DSpace
country	España
countrycode	ES
component	Bibliográfico
access	En linea
databasecode	dig-irnas-es
tag	biblioteca
region	Europa del Sur
libraryname	Biblioteca del IRNAS España
language	English
topic	Batalha Monastery Biodeterioration phenomena Metagenomic approach Pink discoloration Stone materials Batalha Monastery Biodeterioration phenomena Metagenomic approach Pink discoloration Stone materials
spellingShingle	Batalha Monastery Biodeterioration phenomena Metagenomic approach Pink discoloration Stone materials Batalha Monastery Biodeterioration phenomena Metagenomic approach Pink discoloration Stone materials Silva, Inês Salvador, Catía Miller, A. Z. Candeias, António Caldeira, Ana Teresa The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery
description	20 páginas.- 14 figuras.- 4 tablas.- 73 referencias
author2	Fundação para a Ciência e a Tecnologia (Portugal)
author_facet	Fundação para a Ciência e a Tecnologia (Portugal) Silva, Inês Salvador, Catía Miller, A. Z. Candeias, António Caldeira, Ana Teresa
format	artículo
topic_facet	Batalha Monastery Biodeterioration phenomena Metagenomic approach Pink discoloration Stone materials
author	Silva, Inês Salvador, Catía Miller, A. Z. Candeias, António Caldeira, Ana Teresa
author_sort	Silva, Inês
title	The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery
title_short	The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery
title_full	The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery
title_fullStr	The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery
title_full_unstemmed	The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery
title_sort	role of bacteria in pink stone discoloration: insights from batalha monastery
publisher	Multidisciplinary Digital Publishing Institute
publishDate	2024-12-14
url	http://hdl.handle.net/10261/375676
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The Role of Bacteria in Pink Stone Discoloration: Insights from Batalha Monastery

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