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Bacteria, hypertolerant to arsenic in the rocks of an ancient gold mine, and their potential role in dissemination of arsenic pollution.
The aim of the present study was to find out if bacteria present in ancient gold mine could transform immobilized arsenic into its mobile form and increase its dissemination in the environment.Expand
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Arsenite and Arsenate Metabolism of Sinorhizobium sp. M14 Living in the Extreme Environment of the Zloty Stok Gold Mine
A new arsenite-oxidizing bacterium has been isolated from the arsenic-rich bottom sediments of a gold mine. This strain, designated M14 and identified as a Sinorhizobium species, is able to growExpand
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The SXT conjugative element and linear prophage N15 encode toxin-antitoxin-stabilizing systems homologous to the tad-ata module of the Paracoccus aminophilus plasmid pAMI2.
A group of proteic toxin-antitoxin (TA) cassettes whose representatives are widely distributed among bacterial genomes has been identified. These cassettes occur in chromosomes, plasmids,Expand
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Arsenic-transforming microbes and their role in biomining processes
It is well known that microorganisms can dissolve different minerals and use them as sources of nutrients and energy. The majority of rock minerals are rich in vital elements (e.g., P, Fe, S, Mg andExpand
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Structural and functional genomics of plasmid pSinA of Sinorhizobium sp. M14 encoding genes for the arsenite oxidation and arsenic resistance.
Plasmid pSinA of Sinorhizobium sp. M14 (Alphaproteobacteria) is the first described, natural, self-transferable plasmid harboring a complete set of genes for oxidation of arsenite. Removal of thisExpand
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Arsenic-Hypertolerant Pseudomonads Isolated from Ancient Gold and Copper-Bearing Black Shale Deposits
This report describes the comparative characteristics of Pseudomonas strains isolated from Lubin copper mine and Zloty Stok gold mine in SW Poland. The 9 isolates exhibited huge resistance toExpand
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Mineral transformations and textural evolution during roasting of bog iron ores
The processes occurring during roasting of bog iron ores were characterized using TG–DTG–DTA–QMS, XRD, FTIR and specific surface analysis. Removal of physically adsorbed water is followed byExpand
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Arsenic release from gold mine rocks mediated by the activity of indigenous bacteria
Abstract The ancient gold mine at Zloty Stok is a source of serious arsenic contamination of underground and ground water, and soil. The objectives of this study were to investigate the impact ofExpand
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Physiological and Metagenomic Analyses of Microbial Mats Involved in Self-Purification of Mine Waters Contaminated with Heavy Metals
Two microbial mats found inside two old (gold and uranium) mines in Zloty Stok and Kowary located in SW Poland seem to form a natural barrier that traps heavy metals leaking from dewatering systems.Expand
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Adaptation of Methanogenic Inocula to Anaerobic Digestion of Maize Silage
A well-balanced microbial consortium is crucial for efficient biogas production. In turn, one of a major factor that influence on the structure of anaerobic digestion (AD) consortium is a source ofExpand
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