Micromycetes as colonizers of mineral building materials in historic monuments and museums

Ponizovskaya, V. B.; Rebrikova, N. L.; Качалкин, А. В.; Antropova, A. B.; Биланенко, Е. Н.; Мокеева, В. Л.

doi:10.1016/j.funbio.2019.01.002

Cited by 38 publications

(21 citation statements)

References 71 publications

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“…It is known that mainly micromycetes from Aspergillus and Penicillium genera have calcite dissolution activity [18]. It is important to take into consideration that calcite degradation depends on various factors, primarily, on available sources of carbon and nitrogen, and thus, we cannot predict the activity of isolated in vivo species [35].…”

Section: Calcium Carbonate Dissolution Testmentioning

confidence: 99%

Mycological studies as a tool to improve the control of building materials biodeterioration

Gámez-Espinosa

Bellotti

Deyá

2020

Journal of Building Engineering

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Fungal deterioration of building materials causes economic losses due to restoration processes and because it affects the health of the people exposed. Therefore, it is necessary to obtain highly deteriorating fungal strains to carry out studies focused on biodeterioration control. The aim of this research was to study the mycobiota involved in deterioration of facades through the isolation and characterization of fungal strains. In this sense, this paper characterizes the mycobiota that contributes to the deterioration of brick and concrete present in those places. Samples were taken from bricks and concrete with visible biodeterioration of the Cathedral of La Plata and the Experimental Station of the Centro de Investigación y Desarrollo en Tecnología de Pinturas. Relative density, apparition relative frequency, and ecological category of fungi isolates were determined. The deteriorating attributes were determined by carbonate dissolution test, pigment secretion assay, acid production test and brick weight variation. Cladosporium sp., Penicillium sp. and Aspergillus sp. were the taxa with the highest apparition relative frequency and abundance. Aspergillus niger MN371276, Lasiodiplodia theobromae MN371283, Cladosporium sphaerospermum MN371394, Penicillium commune MN371392 and Arthothelium spectabile MT071822 were the strains with the highest biodeteriorant activity. These strains can be used in studies on biodeterioration control of buildings materials.

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Section: Calcium Carbonate Dissolution Testmentioning

confidence: 99%

Mycological studies as a tool to improve the control of building materials biodeterioration

Gámez-Espinosa

Bellotti

Deyá

2020

Journal of Building Engineering

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“…Parengyodontium album is an environmental saprobic mold and an opportunistic pathogen [46]. This species has been observed on buildings composed of limestone and plaster [47]. Additionally, P. album was found in sediments of polar-boreal White Sea [48].…”

Section: Species Of Fungi Isolated From Different Substratamentioning

confidence: 99%

The Presence of Marine Filamentous Fungi on a Copper-Based Antifouling Paint

et al. 2021

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Marine biofouling is undesirable growth on submerged substances, which causes a major problem for maritime industries. Antifouling paints containing toxic compounds such as copper are used to prevent marine biofouling. However, bacteria and diatoms are usually found in biofilms developed on such paints. In this study, plastic panels painted with a copper-based self-polishing antifouling paint were exposed to biofouling for 6 months in the Marina Bandar Rowdha, Sea of Oman. Clean panels were used as a control substratum. Marine filamentous fungi from protected and unprotected substrate were isolated on a potato dextrose agar. Pure isolates were identified using sequences of the ITS region of rDNA. Six fungal isolates (Alternaria sp., Aspergillus niger, A. terreus, A. tubingensis, Cladosporium halotolerans, and C. omanense) were obtained from the antifouling paint. Four isolates (Aspergillus pseudodeflectus, C. omanense, and Parengyodontium album) were isolated from clean panels and nylon ropes. This is the first evidence of the presence of marine fungi on antifouling paints. In comparison with isolates from the unprotected substrate, fungi from the antifouling paint were highly resistant to copper, which suggests that filamentous fungi can grow on marine antifouling paints.

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“…Even seemingly durable and inert materials such as stone are now known to support the growth of fungi, which can grow on them, form biofilms, penetrate into their structure and in the long term importantly contribute to their deterioration (Warscheid and Braams 2000 ). Fungal growth is possible on limestone and also on plaster, and several species have been shown to dissolve the CaCO 3 , among them strains of Penicillium chrysogenum and Aspergillus versicolor (Ponizovskaya et al 2019 ). Newer, green building materials also present opportunities for growth of fungi, and as with conventional materials, with an external source of nutrients being an important factor contributing to growth (Mensah-Attipoe et al 2015 ).…”

Section: Household Appliances Enrich Extremophilic Microorganismsmentioning

confidence: 99%

Microorganisms populating the water-related indoor biome

Babič

Gostinčar

Gunde‐Cimerman

2020

Appl Microbiol Biotechnol

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Modernisation of our households created novel opportunities for microbial growth and thus changed the array of microorganisms we come in contact with. While many studies have investigated microorganisms in the air and dust, tap water, another major input of microbial propagules, has received far less attention. The quality of drinking water in developed world is strictly regulated to prevent immediate danger to human health. However, fungi, algae, protists and bacteria of less immediate concern are usually not screened for. These organisms can thus use water as a vector of transmission into the households, especially if they are resistant to various water treatment procedures. Good tolerance of unfavourable abiotic conditions is also important for survival once microbes enter the household. Limitation of water availability, high or low temperatures, application of antimicrobial chemicals and other measures are taken to prevent indoor microbial overgrowth. These conditions, together with a large number of novel chemicals in our homes, shape the diversity and abundance of indoor microbiota through constant selection of the most resilient species, resulting in a substantial overlap in diversity of indoor and natural extreme environments. At least in fungi, extremotolerance has been linked to human pathogenicity, explaining why many species found in novel indoor habitats (such as dishwasher) are notable opportunistic pathogens. As a result, microorganisms that often enter our households with water and are then enriched in novel indoor habitats might have a hitherto underestimated impact on the well-being of the increasingly indoor-bound human population. Key points & Domestic environment harbours a large diversity of microorganisms. & Microbiota of water-related indoor habitats mainly originates from tap water. & Bathrooms, kitchens and household appliances select for polyextremotolerant species. & Many household-related microorganisms are human opportunistic pathogens.

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Micromycetes as colonizers of mineral building materials in historic monuments and museums

Cited by 38 publications

References 71 publications

Mycological studies as a tool to improve the control of building materials biodeterioration

Mycological studies as a tool to improve the control of building materials biodeterioration

The Presence of Marine Filamentous Fungi on a Copper-Based Antifouling Paint

Microorganisms populating the water-related indoor biome

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