| Title | Enzyme activities and microbial functional diversity in metal(loid) contaminated soils near to a copper smelter |
| Publication Type | Journal Article |
| Year of Publication | 2021 |
| Authors | Aponte H., Mondaca P., Santander C., Meier S., Paolini J., Butler B., Rojas C., Diez M.C, Cornejo P. |
| Journal | Science of The Total Environment |
| Volume | 779 |
| Pagination | 12 |
| Date Published | Jul |
| Type of Article | Article |
| ISBN Number | 0048-9697 |
| Accession Number | WOS:000655687200014 |
| Keywords | adsorption, Biological properties, catabolic diversity, colorimetric determination, community, dehydrogenase-activity, ecological, Ecological dose, Environmental pollution, Environmental Sciences & Ecology, Heavy, industrial-area, metals, MicroResp, organic-matter, physiological profiles, risk, short-term |
| Abstract | The monitoring of soil metal(loid) contamination is of global significance due to deleterious effects that metal(loid)s have on living organisms. Soil biological properties such as enzyme activities (EAs) are good indicators of metal(loid) contamination due to their high sensitivity, fast response, and low-cost. Here, the effect of metal(loid) contamination on physicochemical properties and microbial functionality in soils sampled from within 10 km of a Cu smelter is investigated. Soil composite samples were randomly taken within 2, 4, 6, 8 and10 km zones from a mining industry Cu smelter. The EAs of dehydrogenase ( DHA), arylsulfatase (ARY), beta-glucosidase, urease, and arginine ammonification (AA) were studied as indicators ofmetal(loid) contamination, which included the ecological dose (ED50) with respect to Cu and As contents. The community level physiological profile ( CLPP), functional diversity, and catabolic evenness were evaluated based on the C-substrate utilisation. All EAs decreased in zones with high degrees of metal (loid) contamination, which also had low TOC and clay contents, reflecting long term processes of soil degradation. Positive and strong relationships between EAs and TOC were found. DHA and ARY activities decreased by approximately 85-90% in highly metal(loid) contaminated soils. DHA and AA showed significant ED50 values associated with available Cu (112.8 and 121.6 mg Cu-DTPA kg(-1), respectively) and total As |
| Alternate Journal | Sci. Total Environ. |
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- Enzyme activities and microbial functional diversity in metal(loid) contaminated soils near to a copper smelter
Enzyme activities and microbial functional diversity in metal(loid) contaminated soils near to a copper smelter
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Aponte, Humberto Mondaca, Pedro Santander, Christian Meier, Sebastian Paolini, Jorge Butler, Benjamin Rojas, Claudia Diez, Maria Cristina Cornejo, Pablo
Aponte, Humberto/E-6254-2017
Aponte, Humberto/0000-0003-2218-4712; Rojas-Alvarado, Claudia/0000-0001-7727-2862; Rojas Gonzales, Claudia/0000-0002-1559-2243
Agencia Nacional de Investigacion y Desarrollo (ANID), Chile, through the program "Rings in Science and Technology in Mining Topics" [ANID/PIA/ACM170002]; ANID [21160049]; Scottish Government's Rural and Environment Science and Analytical Services Division (RESAS); [ANID/FONDAP/15130015]; [ANID/FONDECYT/1170264]
The authors would like to acknowledge the support of the Agencia Nacional de Investigacion y Desarrollo (ANID) , Chile, through the program "Rings in Science and Technology in Mining Topics" grant N degrees ANID/PIA/ACM170002. H. Aponte was supported by the ANID doctoral scholarship grant N degrees 21160049. P. Cornejo and C. Santander thanksthe grants ANID/FONDAP/15130015 and P. Cornejo also thanks to ANID/FONDECYT/1170264. B. Butlergratefully acknowledges the support of the Scottish Government's Rural and Environment Science and Analytical Services Division (RESAS) .
26
Elsevier
Amsterdam
1879-1026
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[biblio_auth_address] => [Aponte, Humberto; Santander, Christian; Cornejo, Pablo] Univ La Frontera, CIMYSA, Ctr Invest Micorrizas & Sustentabil Agroambiental, Temuco, Chile. [Aponte, Humberto] Univ La Frontera, Doctoral Program Sci Nat Resources, Temuco, Chile. [Aponte, Humberto; Rojas, Claudia] Univ OHiggins, Inst Agrifood Anim & Environm Sci ICA3, Lab Soil Microbial Ecol & Biogeochem, San Fernando, Chile. [Mondaca, Pedro] Pontificia Univ Catolica Valparaiso, Fac Ciencias Agron & Alimentos, Valparaiso 2340025, Chile. [Meier, Sebastian] Inst Invest Agropecuarias INIA, Ctr Invest Reg Invest Carillanca, POB 58-D, Temuco, Chile. [Paolini, Jorge] Inst Venezolano Invest Cient IVIC, Ctr Ecol, Apdo 21827,1020-A, Caracas, Venezuela. [Butler, Benjamin] James Hutton Inst, Aberdeen AB15 8QH, Scotland. [Diez, Maria Cristina] Univ La Frontera, BIOREN, Ctr Environm Biotechnol, Temuco, Chile.
Cornejo, P (corresponding author), Univ La Frontera, POB 54-D, Temuco, Chile.
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