Microbial Activities Response to Contamination in Soil and Sediments Rich in As Surrounding an Industrial Gold Mine
Gold mines are widely recognized as important sources of arsenic (As) pollution and this work proposes the use of in situ microbial community enzymatic response to assess the risk of As in soil and sediments surrounding “Morro do Ouro,” the largest industrial gold mine in Brazil. Bacterial community...
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description | Gold mines are widely recognized as important sources of arsenic (As) pollution and this work proposes the use of in situ microbial community enzymatic response to assess the risk of As in soil and sediments surrounding “Morro do Ouro,” the largest industrial gold mine in Brazil. Bacterial community exposed to high metals concentrations deviates energy from growth to cell maintenance modifying enzymatic activity response. Even if the number of bacterial cells presented in soil and sediment samples was in the same order of 10
7
cell cm
−3
, it declines in sediment samples closer to a mining area. Dehydrogenase activity (DHA) showed the same trend, suggesting inhibition by toxic effect of metals, while esterase activities (EST) behaved in the opposite way, representative of increasing energy demand by the community under environmental stress. The Quality Ratio (QR) index for environmental risk assessment was applied to integrate geochemical (grain size, total organic carbon contents, and metals as indicators of complex contamination) and microbial parameters (DHA—energy production into cell and EST—hydrolase organic matter outside the cell membrane). QR indicated that the risk associated with soil and sediment is driven by As levels and decreases from the mine facilities. |
doi_str_mv | 10.1007/s11270-020-04734-4 |
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7
cell cm
−3
, it declines in sediment samples closer to a mining area. Dehydrogenase activity (DHA) showed the same trend, suggesting inhibition by toxic effect of metals, while esterase activities (EST) behaved in the opposite way, representative of increasing energy demand by the community under environmental stress. The Quality Ratio (QR) index for environmental risk assessment was applied to integrate geochemical (grain size, total organic carbon contents, and metals as indicators of complex contamination) and microbial parameters (DHA—energy production into cell and EST—hydrolase organic matter outside the cell membrane). QR indicated that the risk associated with soil and sediment is driven by As levels and decreases from the mine facilities.</description><identifier>ISSN: 0049-6979</identifier><identifier>EISSN: 1573-2932</identifier><identifier>DOI: 10.1007/s11270-020-04734-4</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Arsenic ; Atmospheric Protection/Air Quality Control/Air Pollution ; Cell membranes ; Climate Change/Climate Change Impacts ; Coordination compounds ; Earth and Environmental Science ; Energy ; Energy demand ; Environment ; Environmental assessment ; Environmental monitoring ; Environmental risk ; Environmental stress ; Enzymatic activity ; Enzyme activity ; Enzymes ; Esterase ; Esterases ; Gold ; Gold mines & mining ; Gold mines and mining ; Grain size ; Heavy metals ; Hydrogeology ; Hydrolase ; Metal concentrations ; Metals ; Microbial contamination ; Microorganisms ; Organic carbon ; Organic matter ; Pollution ; Pollution sources ; Risk assessment ; Sediment ; Sediment samplers ; Sediment samples ; Sediments ; Sediments (Geology) ; Soil ; Soil contamination ; Soil microbiology ; Soil pollution ; Soil Science & Conservation ; Soils ; Total organic carbon ; Water Quality/Water Pollution</subject><ispartof>Water, air, and soil pollution, 2020-07, Vol.231 (7), Article 366</ispartof><rights>Springer Nature Switzerland AG 2020</rights><rights>COPYRIGHT 2020 Springer</rights><rights>Springer Nature Switzerland AG 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c358t-fb385f65deb19bbad2966ae324a5d8537f7ebee67122cd8ff429b61ca96da5e13</citedby><cites>FETCH-LOGICAL-c358t-fb385f65deb19bbad2966ae324a5d8537f7ebee67122cd8ff429b61ca96da5e13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11270-020-04734-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11270-020-04734-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Sabadini-Santos, Elisamara</creatorcontrib><creatorcontrib>Castilhos, Zuleica Carmen</creatorcontrib><creatorcontrib>Bidone, Edison Dausacker</creatorcontrib><title>Microbial Activities Response to Contamination in Soil and Sediments Rich in As Surrounding an Industrial Gold Mine</title><title>Water, air, and soil pollution</title><addtitle>Water Air Soil Pollut</addtitle><description>Gold mines are widely recognized as important sources of arsenic (As) pollution and this work proposes the use of in situ microbial community enzymatic response to assess the risk of As in soil and sediments surrounding “Morro do Ouro,” the largest industrial gold mine in Brazil. Bacterial community exposed to high metals concentrations deviates energy from growth to cell maintenance modifying enzymatic activity response. Even if the number of bacterial cells presented in soil and sediment samples was in the same order of 10
7
cell cm
−3
, it declines in sediment samples closer to a mining area. Dehydrogenase activity (DHA) showed the same trend, suggesting inhibition by toxic effect of metals, while esterase activities (EST) behaved in the opposite way, representative of increasing energy demand by the community under environmental stress. The Quality Ratio (QR) index for environmental risk assessment was applied to integrate geochemical (grain size, total organic carbon contents, and metals as indicators of complex contamination) and microbial parameters (DHA—energy production into cell and EST—hydrolase organic matter outside the cell membrane). QR indicated that the risk associated with soil and sediment is driven by As levels and decreases from the mine facilities.</description><subject>Arsenic</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Cell membranes</subject><subject>Climate Change/Climate Change Impacts</subject><subject>Coordination compounds</subject><subject>Earth and Environmental Science</subject><subject>Energy</subject><subject>Energy demand</subject><subject>Environment</subject><subject>Environmental assessment</subject><subject>Environmental monitoring</subject><subject>Environmental risk</subject><subject>Environmental stress</subject><subject>Enzymatic activity</subject><subject>Enzyme activity</subject><subject>Enzymes</subject><subject>Esterase</subject><subject>Esterases</subject><subject>Gold</subject><subject>Gold mines & mining</subject><subject>Gold mines and mining</subject><subject>Grain size</subject><subject>Heavy metals</subject><subject>Hydrogeology</subject><subject>Hydrolase</subject><subject>Metal concentrations</subject><subject>Metals</subject><subject>Microbial contamination</subject><subject>Microorganisms</subject><subject>Organic carbon</subject><subject>Organic matter</subject><subject>Pollution</subject><subject>Pollution sources</subject><subject>Risk assessment</subject><subject>Sediment</subject><subject>Sediment samplers</subject><subject>Sediment samples</subject><subject>Sediments</subject><subject>Sediments (Geology)</subject><subject>Soil</subject><subject>Soil contamination</subject><subject>Soil microbiology</subject><subject>Soil pollution</subject><subject>Soil Science & Conservation</subject><subject>Soils</subject><subject>Total organic carbon</subject><subject>Water Quality/Water 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Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><jtitle>Water, air, and soil pollution</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sabadini-Santos, Elisamara</au><au>Castilhos, Zuleica Carmen</au><au>Bidone, Edison Dausacker</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microbial Activities Response to Contamination in Soil and Sediments Rich in As Surrounding an Industrial Gold Mine</atitle><jtitle>Water, air, and soil pollution</jtitle><stitle>Water Air Soil Pollut</stitle><date>2020-07-01</date><risdate>2020</risdate><volume>231</volume><issue>7</issue><artnum>366</artnum><issn>0049-6979</issn><eissn>1573-2932</eissn><abstract>Gold mines are widely recognized as important sources of arsenic (As) pollution and this work proposes the use of in situ microbial community enzymatic response to assess the risk of As in soil and sediments surrounding “Morro do Ouro,” the largest industrial gold mine in Brazil. Bacterial community exposed to high metals concentrations deviates energy from growth to cell maintenance modifying enzymatic activity response. Even if the number of bacterial cells presented in soil and sediment samples was in the same order of 10
7
cell cm
−3
, it declines in sediment samples closer to a mining area. Dehydrogenase activity (DHA) showed the same trend, suggesting inhibition by toxic effect of metals, while esterase activities (EST) behaved in the opposite way, representative of increasing energy demand by the community under environmental stress. The Quality Ratio (QR) index for environmental risk assessment was applied to integrate geochemical (grain size, total organic carbon contents, and metals as indicators of complex contamination) and microbial parameters (DHA—energy production into cell and EST—hydrolase organic matter outside the cell membrane). QR indicated that the risk associated with soil and sediment is driven by As levels and decreases from the mine facilities.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s11270-020-04734-4</doi></addata></record> |
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subjects | Arsenic Atmospheric Protection/Air Quality Control/Air Pollution Cell membranes Climate Change/Climate Change Impacts Coordination compounds Earth and Environmental Science Energy Energy demand Environment Environmental assessment Environmental monitoring Environmental risk Environmental stress Enzymatic activity Enzyme activity Enzymes Esterase Esterases Gold Gold mines & mining Gold mines and mining Grain size Heavy metals Hydrogeology Hydrolase Metal concentrations Metals Microbial contamination Microorganisms Organic carbon Organic matter Pollution Pollution sources Risk assessment Sediment Sediment samplers Sediment samples Sediments Sediments (Geology) Soil Soil contamination Soil microbiology Soil pollution Soil Science & Conservation Soils Total organic carbon Water Quality/Water Pollution |
title | Microbial Activities Response to Contamination in Soil and Sediments Rich in As Surrounding an Industrial Gold Mine |
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