Physical and Microbiological Analysis of Sandstone Deterioration in the Argentine Jesuit Missions

Barrionuevo, Martín R. E.; Englert, Gelsa Edith; Gaylarde, Christine C.

doi:10.1080/01490451.2015.1079668

Cited by 16 publications

(7 citation statements)

References 22 publications

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“…4C) was demonstrated microscopically. Interestingly, similar mixed microbial communities were observed in other stone-built cultural heritage assets (Ascaso et al, 2002;De los Ríos et al, 2004, 2009Gaylarde and Gaylarde, 2005;Barrionuevo et al, 2016) as well as in natural rocks from deserts (Wierzchos et al, 2012;De los Ríos et al, 2014). Bacterial (e.g.…”

Section: Discussionsupporting

confidence: 53%

“…In fact, silicate solubilizing bacteria (SSB) such as Bacillus megaterium, Bacillus flexus, Pseudomonas fluorescens and Enterobacter ludwigii were detected in these rocks. Silicate weathering capacity has been previously attributed to lithobiontic bacteria and free-living and lichenized fungi colonizing granites and related with biomobilization processes (Wierzchos and Ascaso, 1998;De los Ríos et al, 2003;Gaylarde and Gaylarde, 2004;Barrionuevo et al, 2016;Vasanthi et al, 2018). The ability of solubilizing silicate minerals has been demonstrated for different bacteria phyla such as Proteobacteria, Aminobacter, Burkholderia, Collimonas, Janthinobacterium, Dyella and Frateuria (Rogers and Bennett, 2004;Wu et al, 2008;Lee et al, 2019).…”

Section: Discussionmentioning

confidence: 99%

“…Nevertheless, research regarding these sites' state of physical preservation, weathering and biodeterioration processes is still in its infancy. What has known from previous studies is that microorganisms inhabiting rocks (lithobionts) establish close relationships with the lithic substrate and induce aesthetic, chemical and mechanical changes to the colonized rock (Warscheid and Braams, 2000;Ascaso et al, 2002;De los Rios and Ascaso, 2005;Barrionuevo et al, 2016). The changes resulting from the biological colonization and activities are designated as 'biodeterioration'.…”

Section: Introductionmentioning

confidence: 99%

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Microscopic and biomolecular complementary approaches to characterize bioweathering processes at petroglyph sites from the Negev Desert, Israel

Nir

Barak

Kramarsky‐Winter

et al. 2021

Environmental Microbiology

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Throughout the Negev Desert highlands, thousands of ancient petroglyphs sites are susceptible to deterioration processes that may result in the loss of this unique rock art. Therefore, the overarching goal of the current study was to characterize the composition, diversity and effects of microbial colonization of the rocks to find ways of protecting these unique treasures. The spatial organization of the microbial colonizers and their relationships with the lithic substrate were analysed using scanning electron microscopy. This approach revealed extensive epilithic and endolithic colonization and close microbial-mineral interactions. Shotgun sequencing analysis revealed various taxa from the archaea, bacteria and some eukaryotes. Metagenomic coding sequences (CDS) of these microbial lithobionts exhibited specific metabolic pathways involved in the rock elements' cycles and uptake processes. Thus, our results provide evidence for the potential participation of the microorganisms colonizing these rocks during different solubilization and mineralization processes. These damaging actions may contribute to the deterioration of this extraordinary rock art and thus threaten this valuable heritage. Shotgun metagenomic sequencing, in conjunction with the in situ scanning electron microscopy study, can thus be considered an effective strategy to understand the complexity of the weathering processes occurring at petroglyph sites and other cultural heritage assets.

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Section: Discussionsupporting

confidence: 53%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Microscopic and biomolecular complementary approaches to characterize bioweathering processes at petroglyph sites from the Negev Desert, Israel

Nir

Barak

Kramarsky‐Winter

et al. 2021

Environmental Microbiology

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“…On average, P. minioluteum spores concentrated Ti to 4.34 At% (Table 2). Although the solubilization and re-precipitation of minerals are documented in biodegradation of rocks and stones, where certain metals migrate from the interior to the external surface of the rock, leading to its fragility and spalling, 12,13 this phenomenon has not previously been reported for paint coatings. Fungi may cause mobilization of metals by production of acids, or, in the case of Fe, siderophore secretion.…”

Section: Resultsmentioning

confidence: 99%

Interactions of fungi with titanium dioxide from paint coating

Beech

Otlewska

Skóra

et al. 2016

Indoor and Built Environment

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Field emission scanning electron microscopy coupled with energy dispersive X-ray spectroscopy analysis of white-painted gypsum panels incubated for 11 months with either a consortium comprising several fungal species or their monocultures demonstrated that spores of Penicillium minioluteum concentrated titanium, a common white paint ingredient. The paint coating was severely degraded and the exposed underlying gypsum seen was to be contaminated with fungal spores. Ulocladium atrum, while growing well on consortium-inoculated panels over 12 weeks, failed to remain the principal colonizer after 11 months and did not concentrate minerals on its spores nor show visible degradation of the coating. When inoculated in pure culture, U. atrum failed to thrive on the panels, its concentration, measured as ergosterol, falling after 21 days. U. atrum, previously reported to be the major surviving fungus after the 12-week incubation based on the British Standard test BS3900 for fungal growth on paint, has discolouring but not degrading effects and probably grows on the paint coating at the expense of organic matter, including that originating from other fungal species. Ulocladium consortiale, a strain that grew on stored uninoculated panels, caused paint coating degradation visible under field emission scanning electron microscopy and detected as reduction in titanium in the underlying paint coating; however, it did not concentrate any particular elements on its spores.

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“…Sterfl inger e Pinar (2013) sugeriram que os fungos poderiam ser os microrganismos mais importantes envolvidos na degradação da pedra, mas também é sabido que as cianobactérias podem penetrar e crescer nas rochas (Gaylarde et al, 2012), obviamente causando danos � sicos apenas pela presença deles. No entanto, a capacidade das cianobactérias de solubilizar metabolicamente e depois permi� r ou causar a� vamente a redefi nição e realocação de minerais está bem documentada em crostas de sal (Canfora et al, 2016), bem como em edi� cios de arenito e itacuru, um � po de rocha rica em ferro usada nas missões jesuítas na América do Sul (Tazaki et al, 2009;Barrionuevo et al, 2016). As bainhas gela� nosas de cianobactérias fi lamentosas e esféricas são consideradas locais de nucleação de depósitos de cálcio (Gerbersdorf e Wieprecht, 2015), e as cianobactérias detectadas nas amostras deste estudo também poderiam ser, pelo menos em parte, responsáveis pelos abundantes cristais de calcita encontrados, assim como os fungos fi lamentosos (Bindschedler et al, 2016).…”

Section: Figura 3 Micrografi As Sem De Crostas Negras Mostrando (A E B)unclassified

Degradação de gnaisse e granito em fachadas de edifícios históricos no centro do Rio de Janeiro

Neto

Gaylarde

Beech

et al. 2020

S&G

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A maioria do patrimônio cultural construído na cidade do Rio de Janeiro, Brasil, é feito de gnaisse ou granito, e a exposição das fachadas ao ambiente poluído leva a uma forte degradação. Para entender estes processos meteorológicos, foram estudados cinco edifícios históricos na cidade. Estes exibiram manchas de ferro, desintegração granular, bolhas, fraturas incipientes e escamação de contornos e desenvolvimento de crosta negra. As amostras coletadas nestes edifícios foram examinadas na tentativa de compreender os mecanismos da meteorologia de superfície. Amostras de rochas foram coletadas em áreas que apresentavam sérios sintomas de decomposição de rochas. O conteúdo de ânions e cátions dos materiais de construção foi avaliado por espectrometria AA e análise cromatográfica de íons. As amostras também foram estudadas por microscopia de emissão de campo (SEM), análise petrográfica e pelo seu conteúdo biológico por SEM e análise de DNA usando Illumina Mi-Seq Next Generation Sequencing. Todas as análises químicas mostraram altas concentrações de sais solúveis, tais como halita e gesso, que desempenham um papel muito importante na resistência à intempérie da pedra. A FE-SEM com análise dispersiva de energia permitiu a detecção dentro da rocha de fungos filamentosos esparsos, grupos de células bacterianas, diatomáceas raras e bactérias filamentosas fotossintéticas especialmente interessantes incrustadas com gesso reprecipitado, mostrando a participação de microrganismos na degradação da pedra.

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Physical and Microbiological Analysis of Sandstone Deterioration in the Argentine Jesuit Missions

Cited by 16 publications

References 22 publications

Microscopic and biomolecular complementary approaches to characterize bioweathering processes at petroglyph sites from the Negev Desert, Israel

Microscopic and biomolecular complementary approaches to characterize bioweathering processes at petroglyph sites from the Negev Desert, Israel

Interactions of fungi with titanium dioxide from paint coating

Degradação de gnaisse e granito em fachadas de edifícios históricos no centro do Rio de Janeiro

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