Total and Leached Arsenic, Mercury and Antimony in the Mining Waste Dumping Area of Abbadia San Salvatore (Mt. Amiata, Central Italy)

Meloni, Federica; Montegrossi, Giordano; Lazzaroni, Marta; Rappuoli, Daniele; Nisi, Bárbara; Vaselli, Orlando

doi:10.3390/app11177893

Cited by 10 publications

(12 citation statements)

References 58 publications

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“…4B ), thus indicating that probably MerR2 promotes in the presence of mercury the transcription of these mer genes that code for mercury transporters, mercury reductase, and the coregulator MerD. Thus, the strain CECT 5344 is a suitable candidate to be used in bioremediation techniques applied for the detoxification of industrial liquid wastes generated by the mining industry that usually contain elevated concentrations of cyanide and mercury, among other metals and metalloids like iron, copper, nickel, and arsenic ( 51 ). The results included in this work contribute to highlighting the great biodegradative potential of the CECT strain to detoxify highly toxic complex mixtures of contaminants ( Fig.…”

Section: Discussionmentioning

confidence: 99%

Quantitative Proteomic Analysis of Cyanide and Mercury Detoxification by Pseudomonas pseudoalcaligenes CECT 5344

et al. 2023

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Cyanide, mercury, and arsenic are considered very toxic chemicals that are present in nature as cocontaminants in the liquid residues generated by different industrial activities like mining. Considering the huge amounts of toxic cyanide- and mercury-containing wastes generated at a large scale and the high biotechnological potential of P. pseudoalcaligenes CECT 5344 in the detoxification of cyanide present in these industrial wastes, in this work, proteomic, transcriptional, and bioinformatic approaches were used to characterize the molecular response of this bacterium to cyanide and mercury, highlighting the mechanisms involved in the simultaneous detoxification of both compounds.

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Section: Discussionmentioning

confidence: 99%

Quantitative Proteomic Analysis of Cyanide and Mercury Detoxification by Pseudomonas pseudoalcaligenes CECT 5344

et al. 2023

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“…Considering the metal and metalloid concentrations usually found in the AAS ore deposits and the surrounding Hg-mining areas (Meloni et al, 2021 ; Rimondi et al, 2014a ), the analytical spectrum should be enlarged to evidence whether the enzymatic activity may be jeopardized by other PTEs (e.g., As and Sb).…”

Section: Discussionmentioning

confidence: 99%

“…The environmental footprint resulting from the mining activity in the Mt. Amiata and, particularly, at ASS is evidenced by numerous scientific investigations published in the last two decades (e.g., Bacci et al, 2000 ; Meloni et al, 2021 ; Rimondi et al, 2012 , 2014a , 2014b a, b, 2015 ) focused on the distribution of Hg in air, soil, vegetation and aquatic compartments (e.g., Chiarantini et al, 2016 , 2017 ; Ferrara et al, 1998 ; Lazzaroni et al, 2022 ; Vaselli et al, 2013 , 2015 , 2021 ). Previous works, conducted in the mining area of ASS (Chiarantini et al, 2016 ) and Almadén (Spain) (e.g., Barquero et al, 2019 ), the most famous Hg-district in the world, investigated the relationship between airborne Hg (Hg 0 ) and the vascular vegetation as well as the interaction between DHA and Hg concentrations in soils, evidencing that high Hg contents in soils do not affect DHA (Campos et al, 2018 ).…”

Section: Introductionmentioning

confidence: 99%

“…1 a), including the reclamation of about 65 ha (black contour in Fig. 1 a): Sectors 0 and 1 are the sites where Hg was found at low concentrations; Sectors 2 and 3 host the miners’ and managers’ buildings, the mining equipment grounding area, the conveyor belts, and the Garibaldi shaft, and the old furnaces, dryers, and condensers, respectively; Sector 4, namely ‘Le Lame,’ consists of the most important mining dump of ASS mining area and covers a surface of 120,000 m 2 (e.g., Meloni et al, 2021 and references therein); Sector 5 contains the armory and the watchmen’s house; Sector 6, which is the most contaminated site among the 6 sectors, hosts the main critical mining facilities, e.g., Nesa and Gould furnaces, old and new driers, condensation tubing systems, pigment preparation edifices and collection tanks of liquid Hg (Vaselli et al, 2017 a).

Fig.…”

Section: Introductionmentioning

confidence: 99%

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Mercury distribution in plants and soils from the former mining area of Abbadia San Salvatore (Tuscany, Central Italy)

Meloni,

Farieri,

Higueras

et al. 2023

Environ Geochem Health

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The distribution of heavy metals in plants (Castanea sativa, Sambucus nigra, Verbascum thapsus, Popolus spp., Salix spp., Acer pseudoplatanus, Robinia pseudoacacia) growing in soils from active and abandoned mining areas is of scientific significance as it allows to recognize their ability to survive in a hostile environment and provide useful indications for phytoremediation operations. In this work, soils from the former Hg-mining area of Abbadia San Salvatore (Tuscany, Central Italy) were analyzed for total, leached Hg, % of organic and inorganic-related Hg. The dehydrogenase enzyme activity (DHA) was also measured with the aim to evaluate the status of the soil, being characterized by high Hg contents (up to 1068 mg kg−1). Eventually, the concentration of Hg in the different parts of the plants growing on these soils was also determined. Most studied soils were dominated by inorganic Hg (up to 92%) while the DHA concentrations were < 151 µg TPF g−1 day−1, suggesting that the presence of Hg is not significantly affecting the enzymatic soil activity. This is also supported by the bioaccumulation factor (BF), being predominantly characterized by values < 1. Sambucus nigra and Verbascum thapsus had the highest Hg contents (39.42 and 54.54 mg kg−1, respectively). The plant leaves appear to be the main pathways of Hg uptake, as also observed in other mining areas, e.g., Almadèn (Spain), indicating that particulate-Hg and Hg0 are the main forms entering the plant system, the latter derived by the GEM emitted by both the edifices hosting the roasting furnaces and the soils themselves.

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“…Amiata and, particularly, at ASS is evidenced by numerous scienti c investigations published in the last two decades (e.g. Bacci et al, 2000;Meloni et al, 2021, Rimondi et al, 2012, 2014a,b, 2015 focused on the distribution of Hg in air, soil, vegetation and aquatic compartments (e.g. Ferrara et al, 1998;Chiarantini et al, 2016Chiarantini et al, , 2017Lazzaroni et al, 2022;Vaselli et al, 2013Vaselli et al, , 2015Vaselli et al, , 2021.…”

Section: Introductionmentioning

confidence: 99%

Mercury distribution in plants and soils from the former mining area of Abbadia San Salvatore (Tuscany, central Italy)

Meloni

Farieri

Higueras³

et al. 2023

Preprint

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The distribution of heavy metals in plants growing in soils from active and abandoned mining areas is of scientific significance as it allows one to recognize their ability to survive in a hostile environment and to provide useful indications for phytoremediation operations. In this work, soils developed in the former Hg-mining area of Abbadia San Salvatore (Tuscany, Central Italy) were analyzed for total, leached Hg, % of organic- and inorganic-related Hg. The dehydrogenase enzyme activity (DHA) was also measured with the aim to evaluate the status of the soil, being characterized by high Hg content. Eventually, the concentration of Hg in the different parts of the plants growing on these soils was analyzed. The soils showed Hg content up to 1068 mg kg− 1 and in most of them is dominated by inorganic Hg (up to 92%). The DHA concentrations were < 151 µg TPF g− 1day− 1, suggesting that the presence of Hg is not significantly affecting the enzymatic soil activity. This is also supported by the bioaccumulation factor (BF) that is < 1 in most of the studied plants. Generally speaking, the plant leaves appear to be one of the main pathways of Hg uptake, as also observed in other mining areas, e.g. Almaden (Spain), suggesting that particulate-Hg and Hg0 are the main forms entering the plant system, the latter derived by the GEM emitted by both the edifices hosting the roasting furnaces and the soils themselves.

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Total and Leached Arsenic, Mercury and Antimony in the Mining Waste Dumping Area of Abbadia San Salvatore (Mt. Amiata, Central Italy)

Cited by 10 publications

References 58 publications

Quantitative Proteomic Analysis of Cyanide and Mercury Detoxification by Pseudomonas pseudoalcaligenes CECT 5344

Quantitative Proteomic Analysis of Cyanide and Mercury Detoxification by Pseudomonas pseudoalcaligenes CECT 5344

Mercury distribution in plants and soils from the former mining area of Abbadia San Salvatore (Tuscany, Central Italy)

Mercury distribution in plants and soils from the former mining area of Abbadia San Salvatore (Tuscany, central Italy)

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