Cyanobacteria attack rocks (CATS): Control and preventive strategies to avoid damage caused by cyanobacteria and associated microorganisms in Roman hypogean monuments

Albertano, Patrizia; Moscone, Daniele; Palleschi, Giuseppe; Hermosín, Bernardo; Sáiz‐Jiménez, Cesáreo; Sánchez‐Moral, Sergio; Hernández-Mariné, Mariona; Urzı̀, Clara; Groth, Ingrid; Schroeckh, Volker; Saarela, Maria; Mattila‐Sandholm, Tiina; Gallon, John; Graziottin, F.; Bisconti, Fabrizio; Giuliani, Raffaella

doi:10.1201/9780203746578-20

Cited by 24 publications

(12 citation statements)

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“…In particular, cyanobacteria, diatoms and green algae are the three main photosynthetic groups responsible for the formation of patinas causing aesthetic and structural damage to cave speleothems (Aley, 2004) and chemical alteration of rock surfaces (Albertano et al, 2003).…”

Section: Discussionmentioning

confidence: 99%

“…Several authors reported about the impact of lampenflora in show caves (Northup and Lavoie, 2001;Hoffmann, 2002;Albertano et al, 2003). In particular, the development of photosynthetic biofilms causes aesthetic, physical and chemical damage.…”

Section: Introductionmentioning

confidence: 99%

“…In particular, the development of photosynthetic biofilms causes aesthetic, physical and chemical damage. For instance, while the exopolymeric substances (EPSs) produced by cyanobacteria and algae ensure the protection of microorganisms from desiccation, at the same time they induce the adsorption of cations and dissolved organic molecules from the mineral surface causing the deterioration of the substrate (Albertano et al, 2003). When lampenflora biomass becomes available to cave-dwelling organisms, it may cause alterations of food chain of the subterranean ecosystem.…”

Section: Introductionmentioning

confidence: 99%

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Environmental drivers of phototrophic biofilms in an Alpine show cave (SW-Italian Alps)

Piano

Bona

Falasco

et al. 2015

Science of The Total Environment

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Environmental drivers of phototrophic biofilms in an Alpine show cave (SW-Italian Alps)

Piano

Bona

Falasco

et al. 2015

Science of The Total Environment

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“…and green algae, Chlorella sp. These microorganisms are considered biodeteriogens, able to induce precipitation of mineral crystals or promoting pH changes, causing damage on stonework surface Albertano & al. 2003).…”

Section: Discussionmentioning

confidence: 99%

Solunto archaeological park in Sicily: life under mosaic tesserae

2018

Fl. Medit.

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Rotolo, V., De Caro, M. L., Giordano, A. & Palla, F.: Solunto archaeological park in Sicily: life under mosaic tesserae. -Fl. Medit. 28: 233-245. 2018. -ISSN: 1120-4052 printed, 2240-4538 online.Biodeterioration is a complex process induced by the growing and metabolic activity of a wide range of macro and microorganisms, becoming a revelling problem also for the mosaic tesserae of "Casa di Leda" in the Greco -Roman site of Solunto in Sicily. In this case-study, a thick biofilm inducing a deep alteration of mortar and consequently the mosaic tesserae detachment has been highlighted during the restoration plan. The biofilm microbial consortium has been investigated by an integrate approach based on Microscopy analysis (O.M., C.L.S.M.), in vitro culture (Nutrien and Saboraud media) and molecular biology investigation (DNA target sequence amplification, sequencing, sequence analysis). A microbial diversity has been revealed belonging to bacteria (Bacillus) and fungi (Alternaria, Aspergillus), besides cyanobacteria (Chroococcus) and green algae (Chlorella). In order to control the biofilm colonization two essential oils (EO), Thymus vulgaris and Origanum vulgare, have been utilized and their antimicrobial activity, preliminarily in vitro (agar disc diffusion methods) and after ex situ and in situ evaluated. This experimentation is aimed at identifying and implementing green biocides for the control of microbial colonization, a promising technology with a reduced impact on human health and environment, able to replace traditional biocide action.

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“…In particular, it was evidenced that lamps, when present, were responsible for the massive growth of cyanobacteria‐based microbiota (Albertano and Bruno, ), while the areas far from the lamps are often covered by white biofilms of different extension, consistency and nature (Albertano et al ., ; Sanchez‐Moral et al ., ; Urzì et al ., ). In all cases, a high diversity of heterotrophic microflora, especially bacteria, was found.…”

Section: Introductionmentioning

confidence: 99%

Complex bacterial diversity in the white biofilms of the Catacombs of St. Callixtus in Rome evidenced by different investigation strategies

Kraková

Leo

Bruno

et al. 2015

Environmental Microbiology

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Roman Catacombs are affected by different kinds of biofilms that were extensively investigated in the last 14 years. In particular, the areas far from the lamps are often covered by white biofilms of different extension, consistency and nature. The aim of this paper is to describe the profile of the microbial community present in two areas of the Ocean's Cubiculum (CSC13), characterized by similar alterations described as white biofilms, by using a multistep approach that included direct microscopy observations, culture-dependent and culture-independent methodologies through the extraction of DNA and RNA directly from the sampled areas. In addition to this, we extracted the DNA directly from the Petri dishes containing R2A and B4 media after incubation and growth of bacteria. Our results evidenced that a complex bacterial community (mainly constituted by filamentous Actinobacteria, as well as Firmicutes and Proteobacteria) colonizes the two different white biofilms, and its detection, quantitative and qualitative, could be revealed only by different approaches, each method giving different information that only partially overlap.

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Cyanobacteria attack rocks (CATS): Control and preventive strategies to avoid damage caused by cyanobacteria and associated microorganisms in Roman hypogean monuments

Cited by 24 publications

References 0 publications

Environmental drivers of phototrophic biofilms in an Alpine show cave (SW-Italian Alps)

Environmental drivers of phototrophic biofilms in an Alpine show cave (SW-Italian Alps)

Solunto archaeological park in Sicily: life under mosaic tesserae

Complex bacterial diversity in the white biofilms of the Catacombs of St. Callixtus in Rome evidenced by different investigation strategies

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