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Title: Assessment of microbiota present on a Portuguese historical stone convent using high-throughput sequencing approaches
Authors: Rosado, T
Dias, L
Lança, M
Nogueira, C
Santos, R
Candeias, A
Mirão, J
Caldeira, A T
Keywords: biocolonization
metagenomic DNA
Issue Date: 2020
Publisher: Wiley
Citation: • T Rosado, L Dias, M Lança, C Nogueira, R Santos, MR Martins, A Candeias, J Mirão, AT Caldeira (2020). Assessment of microbiota present on a Portuguese historical stone convent using high throughput sequencing approaches. MicrobiologyOpen 9(6), pp. 1067-1084
Abstract: The study performed on the stone materials from the Convent of Christ revealed the presence of a complex microbial ecosystem, emphasizing the determinant role of microorganisms on the biodecay of this built cultural heritage. In this case study, the presence of Rubrobacter sp., Arthrobacter sp., Roseomonas sp., and Marinobacter sp. seems to be responsible for colored stains and biofilm formation while Ulocladium sp., Cladosporium sp., and Dirina sp. may be related to structural damages. The implementation of high-throughput sequencing approaches on the Convent of Christ's biodecay assessment allowed us to explore, compare, and characterize the microbial communities, overcoming the limitations of culture-dependent techniques, which only identify the cultivable population. The application of these different tools and insights gave us a panoramic view of the microbiota thriving on the Convent of Christ and signalize the main biodeteriogenic agents acting on the biodecay of stone materials. This finding highlighted the importance of performing metagenomic studies due to the improvements and the reduced amount of sample DNA needed, promoting a deeper and more detailed knowledge of the microbiota present on these dynamic repositories that support microbial life. This will further enable us to perform prospective studies in quarry and applied stone context, monitoring biogenic and nonbiogenic agents, and also to define long-term mitigation strategies to prevent biodegradation/biodeterioration processes.
Type: article
Appears in Collections:HERCULES - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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