Biofilms on Granite Rapakivi in Natural Outcrops and Urban Environment: Biodiversity, Metabolism and Interaction with Substrate

Vlasov, Dmitry Yu.; Panova, Elena; Zelenskaya, Marina S.; Vlasov, Alexey D.; Sazanova, Katerina V.; Rodina, Oksana A.; Pavlova, Olga A.

doi:10.1007/978-3-030-21614-6_29

Cited by 3 publications

(1 citation statement)

References 11 publications

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“…Primary attention was paid to the structure of granite, the presence of cracks, holes, and other surface irregularities, which can serve as a shelter for microorganisms. Traditional cultural methods of mycology and microbiology have been applied for isolation and identification of microorganisms in biofilms on the surface of the granite [9]. Also, metagenomic analysis was used to determine a wide range of microorganisms in biofilms.…”

Section: Study Of Microorganismsmentioning

confidence: 99%

Changes of Granite Rapakivi under the Biofouling Influence

Vlasov¹,

Panova²,

Zelenskaya³

et al. 2021

Geochemistry

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Interdisciplinary study of granite rapakivi biofouling in the natural and anthropogenic environment (St. Petersburg, Vyborg, Southern Finland) was carried out. The biodiversity of microorganisms (cyanobacteria, micromycetes, and organotrophic bacteria) and various types of biofilms are characterized. The influence of external factors on the changes of cyanobacterial biofilms is shown. The features of biofilms localization on the granite surface in an urban environment and in natural outcrops are studied. Differences in the biofilms metabolites composition at the granite quarries and monuments of St. Petersburg are shown. The behavior of chemical elements during the bioweathering of granite is estimated. The role of biofilms in the accumulation of chemical elements on the surface of granite is established. The dynamics of chemical elements leaching from granite may depend on the type of biofilm developing on granite.

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Section: Study Of Microorganismsmentioning

confidence: 99%

Changes of Granite Rapakivi under the Biofouling Influence

Vlasov¹,

Panova²,

Zelenskaya³

et al. 2021

Geochemistry

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Granite Weathering Under Urban Condition

Panova

Vlasov

Zelenskaya

et al. 2023

Geoheritage, Geoparks and Geotourism

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Microbiologically induced aesthetic and structural changes to dimension stone

Gaylarde

Baptista-Neto

2021

npj Mater Degrad

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Dimension stone is natural rock prepared for building use. It is rapidly colonised by microorganisms that cause discoloration (mainly cyanobacteria, algae and fungi) and structural damage. Microbial mobilisation of ions leads to new superficial or internal deposits, weakening the structure. Cyanobacteria and fungi may penetrate, filling pores or creating new spaces. Lichens, fungus/phototroph associations, colonise surfaces and damage stone through ingrowing rhizines and acid production. Initial degradation produces conditions suitable for germination of seeds of higher plants and further destruction. Emerging techniques to elucidate stone-cell interactions and control of initial biofilm formation that eventuates in stone disintegration are discussed.

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Biofilms on Granite Rapakivi in Natural Outcrops and Urban Environment: Biodiversity, Metabolism and Interaction with Substrate

Cited by 3 publications

References 11 publications

Changes of Granite Rapakivi under the Biofouling Influence

Changes of Granite Rapakivi under the Biofouling Influence

Granite Weathering Under Urban Condition

Microbiologically induced aesthetic and structural changes to dimension stone

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