Unveiling chemical biosignatures in Mars analog lava tubes
Resumen del póster presentado en Microbiotec'23. 7-9 December 2023 in Covilhã (Portugal)
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| Format: | póster de congreso biblioteca |
| Language: | English |
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Sociedade Portuguesa de Microbiología
2023-12
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| Subjects: | Batalha Monastery, Biodeterioration, Pink discoloration, Metagenomics, Culture-dependent methods, |
| Online Access: | http://hdl.handle.net/10261/357749 |
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dig-irnas-es-10261-3577492024-05-21T10:59:42Z Unveiling chemical biosignatures in Mars analog lava tubes Silva, Inês Salvador, Catía Miller, A. Z. Candeias, António Caldeira, Ana Teresa Fundação para a Ciência e a Tecnologia (Portugal) Batalha Monastery Biodeterioration Pink discoloration Metagenomics Culture-dependent methods Resumen del póster presentado en Microbiotec'23. 7-9 December 2023 in Covilhã (Portugal) The microbial colonization of built heritage and monuments by fungi, algae, and bacteria is a wellknown phenomenon. This colonization frequently triggers degradation processes that result in aesthetic or structural damage. The Batalha Monastery (Portugal), a UNESCO World Heritage Site, currently exhibits a high degree of surface alterations of the stone architectural elements both inside the Founder's Chapel (Fig. 1a) and the church (Fig. 1b), including an extensive pink coloration in the walls and columns. The main aim of this study was to characterize the biological colonization and understand the role of microbial communities in the biodeterioration of the architectural stone material (Ançã limestone), to help conservators and restorers and determine the most effective treatment approach to use for the preservation of the monastery. The microbial population was characterized using both High-throughput DNA sequencing and culture-dependent methods and several orange-pink pigment-producing bacteria were identified including Halalkalicoccus tibetensis, Bacillus aryabhattai, Bacillus firmus, Bacillus megaterium and Methylorubrum extorquens. The pink discoloration observed may result from biofilms formed by bacteria that produce pigments, probably carotenoids [1]. Biocolonization tests are being performed in which stone mock-ups were prepared and inoculated with the bacteria isolated in the study, in order to simulate the natural conditions of the monastery and monitor the colonization process, to better understand the discoloration phenomenon. Figure 1: Surface alterations of the stone architectural elements both inside the Founder's Chapel (Fig. 1a) and the church (Fig. 1b) at Batalha Monastery. References: [1] J. D. Ettenauer et al., “Halophilic microorganisms are responsible for the rosy discolouration of saline environments in three historical buildings with mural paintings,” PLoS One, vol. 9, no. 8, pp. 1–8, 2014, doi:10.1371/journal.pone.0103844. The authors acknowledge to FCT – Foundation for Science and Technology, I.P., within the scope of the projects: UIDB/04449/2020, MICROCENO (PTDC/CTA-AMB/0608/2020), ART3mis (2022.07303.PTDC) and I. Silva PhD Grant (UI/BD/153582/2022); and Directorate-General for Cultural Heritage (DGPC). No 2024-05-21T10:59:41Z 2024-05-21T10:59:41Z 2023-12 póster de congreso Microbiotec’23. Congress of Microbiology and Biotechnology 2023. Abstracts books póster P1.20 pág. 193-194 (2023) http://hdl.handle.net/10261/357749 en Sí open Sociedade Portuguesa de Microbiología |
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Batalha Monastery Biodeterioration Pink discoloration Metagenomics Culture-dependent methods Batalha Monastery Biodeterioration Pink discoloration Metagenomics Culture-dependent methods |
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Batalha Monastery Biodeterioration Pink discoloration Metagenomics Culture-dependent methods Batalha Monastery Biodeterioration Pink discoloration Metagenomics Culture-dependent methods Silva, Inês Salvador, Catía Miller, A. Z. Candeias, António Caldeira, Ana Teresa Unveiling chemical biosignatures in Mars analog lava tubes |
| description |
Resumen del póster presentado en Microbiotec'23. 7-9 December 2023 in Covilhã (Portugal) |
| 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 |
póster de congreso |
| topic_facet |
Batalha Monastery Biodeterioration Pink discoloration Metagenomics Culture-dependent methods |
| author |
Silva, Inês Salvador, Catía Miller, A. Z. Candeias, António Caldeira, Ana Teresa |
| author_sort |
Silva, Inês |
| title |
Unveiling chemical biosignatures in Mars analog lava tubes |
| title_short |
Unveiling chemical biosignatures in Mars analog lava tubes |
| title_full |
Unveiling chemical biosignatures in Mars analog lava tubes |
| title_fullStr |
Unveiling chemical biosignatures in Mars analog lava tubes |
| title_full_unstemmed |
Unveiling chemical biosignatures in Mars analog lava tubes |
| title_sort |
unveiling chemical biosignatures in mars analog lava tubes |
| publisher |
Sociedade Portuguesa de Microbiología |
| publishDate |
2023-12 |
| url |
http://hdl.handle.net/10261/357749 |
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AT silvaines unveilingchemicalbiosignaturesinmarsanaloglavatubes AT salvadorcatia unveilingchemicalbiosignaturesinmarsanaloglavatubes AT milleraz unveilingchemicalbiosignaturesinmarsanaloglavatubes AT candeiasantonio unveilingchemicalbiosignaturesinmarsanaloglavatubes AT caldeiraanateresa unveilingchemicalbiosignaturesinmarsanaloglavatubes |
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