Occurrence of sulphate reducing bacteria (SRB) associated with biocorrosion on metallic surfaces in a hydroelectric power station in Ibirama (SC) - Brazil

Marangoni, Paulo Roberto Dantas; Robl, Diogo; Berton, Marcos Antonio Coelho; Garcia, Carlos Mario; Bozza, Angela; Porsani, Mariana Vieira; Dalzoto, Patrícia do Rocio; Vicente, Vânia A.; Pimentel, Ida Chapaval

doi:10.1590/s1516-89132013000500011

Cited by 8 publications

(2 citation statements)

References 24 publications

(26 reference statements)

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“…Although Sulfate reducing bacteria (SRB) prefer oxygen-deficient environments, samples collected from the surface water, where oxygen saturations were high, shown representative variations, as in: S1, S4, S7, S9-11, with a high density in S11. Anaerobic iron corrosive and key microbiological indicators, SRB (which also generate the smell of rotten egg of hydrogen sulfide) can also be linked with immersed metals suffering biocorrosion (32,33). Habitats are maintained at this station by the offshore islands where there is wild vegetation, especially willows that are partially submerged, providing good spawning places for most phytophilic fish species.…”

Section: Water Analysismentioning

confidence: 99%

Microbiological and Physico-Chemical Parameters of the Danube River (Romanian–Bulgarian Sector) with Ichthyofaunal Diversity

Ivan¹,

Curuţiu²,

Craciun³

et al. 2021

Preprint

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Water and water habitats are essential to life and to the wellness of the communities that rely on them, as the Danube river is subject to human impact and vice versa, periodic surveys are required to determine the status of its pollution levels. In this work we used known microbiological indicators as well as physico-chemical ones to assess the ecotoxicological status of the Danube river from eleven locations partially forming the “Romanian–Bulgarian Danube Sector”. Most of the microbial communities found, and their densities, could be explained by point and diffuse sources scattered along the sector such as discharged household and farm wastewater, as well as nearby agricultural areas where fertilizers have been used and then leaked in the water stream during rainfalls. However, microbial data on non-point sources that lead to diffuse pollution of surface waters could be linked to such parameters and furthermore shown a slight correlation with the current status of fish communities.

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Section: Water Analysismentioning

confidence: 99%

Microbiological and Physico-Chemical Parameters of the Danube River (Romanian–Bulgarian Sector) with Ichthyofaunal Diversity

Ivan¹,

Curuţiu²,

Craciun³

et al. 2021

Preprint

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show abstract

“…It is reported that the National power company of South Africa, which provides 90% of the country's power needs, has identified cases of biological corrosion of carbon steel in water cooling systems at almost all of their power plants [22]. The paper [23] gives examples of detection of sulfate-reducing bacteria in metal structures of the Salto Pilão hydroelectric power station, Brazil.…”

Section: Chemical Effects Of Released Substancesmentioning

confidence: 99%

Biological Attacks on Underground Hydroelectric Pump Storage Power Stations

Anakhov¹,

Zhebka²

2021

Preprint

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Studies have shown the unconditional danger of biological attacks on underground hydroelectric pumped-storage power stations. A hypothetical list of biological damage to water conduits and dams is determined. Relevant predictions are given, as well as accident events of hydraulic structures are described. A universal scheme for the application of hazard protection measures, which can be comprehensive, has been developed. Praemonitus praemunitus – precautions should be taken.

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Phylogenetic and ecological reevaluation of the order Onygenales

et al. 2022

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The order Onygenales is classified in the class Eurotiomycetes of the subphylum Pezizomycotina. Families in this order have classically been isolated from soil and dung, and two lineages contain causative agents of superficial, cutaneous and systemic infections in mammals. The ecology and habitat choices of the species are driven mainly by the keratin and cellulose degradation abilities. The present study aimed to investigate whether the ecological trends of the members of Onygenales can be interpreted in an evolutionary sense, linking phylogenetic parameters with habitat preferences, to achieve polyphasic definitions of the main taxonomic groups. Evolutionary processes were estimated by multiple gene genealogies and divergence time analysis. Previously described families, namely, Arthrodermataceae, Ajellomycetaceae, Ascosphaeraceae, Eremascaceae, Gymnoascaceae, Onygenaceae and Spiromastigoidaceae, were accepted in Onygenales, and two new families, Malbrancheaceae and Neogymnomycetaceae, were introduced. A number of species could not be assigned to any of the defined families. Our study provides a revised overview of the main lines of taxonomy of Onygenales, supported by multilocus analyses of ITS, LSU, TUB, TEF1, TEF3, RPB1, RPB2, and ribosomal protein 60S L10 (L1) (RP60S) sequences, combined with available data on ecology, physiology, morphology, and genomics.

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Occurrence of sulphate reducing bacteria (SRB) associated with biocorrosion on metallic surfaces in a hydroelectric power station in Ibirama (SC) - Brazil

Abstract: ABSTRACT

Cited by 8 publications

References 24 publications

Microbiological and Physico-Chemical Parameters of the Danube River (Romanian–Bulgarian Sector) with Ichthyofaunal Diversity

Microbiological and Physico-Chemical Parameters of the Danube River (Romanian–Bulgarian Sector) with Ichthyofaunal Diversity

Biological Attacks on Underground Hydroelectric Pump Storage Power Stations

Phylogenetic and ecological reevaluation of the order Onygenales

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