| Title | Coping with copper: legacy effect of copper on potential activity of soil bacteria following a century of exposure |
| Publication Type | Journal Article |
| Year of Publication | 2016 |
| Authors | Nunes I., Jacquiod S., Brejnrod A., Holm P.E, Johansen A., Brandt K.K, Prieme A., Sorensen S.J |
| Journal | FEMS Microbiology Ecology |
| Volume | 92 |
| Pagination | 12 |
| Date Published | Nov |
| Type of Article | Article |
| ISBN Number | 0168-6496 |
| Accession Number | WOS:000387994800012 |
| Keywords | bioavailable, bioindicator, copper, cu exposure, diversity, functional response group, gradient, heavy-metals, Metal toxicity, microbial communities, Microbiology, microorganisms, plfa, populations, resistance, rna, vineyard |
| Abstract | Copper has been intensively used in industry and agriculture since mid-18(th) century and is currently accumulating in soils. We investigated the diversity of potential active bacteria by 16S rRNA gene transcript amplicon sequencing in a temperate grassland soil subjected to century-long exposure to normal (similar to 15 mg kg(-1)), high (similar to 450 mg kg(-1)) or extremely high (similar to 4500 mg kg(-1)) copper levels. Results showed that bioavailable copper had pronounced impacts on the structure of the transcriptionally active bacterial community, overruling other environmental factors (e.g. season and pH). As copper concentration increased, bacterial richness and evenness were negatively impacted, while distinct communities with an enhanced relative abundance of Nitrospira and Acidobacteria members and a lower representation of Verrucomicrobia, Proteobacteria and Actinobacteria were selected. Our analysis showed the presence of six functional response groups (FRGs), each consisting of bacterial taxa with similar tolerance response to copper. Furthermore, the use of FRGs revealed that specific taxa like the genus Nitrospira and several Acidobacteria groups could accurately predict the copper legacy burden in our system, suggesting a potential promising role as bioindicators of copper contamination in soils.Long-term effect of a copper gradient on soil bacteria.Long-term effect of a copper gradient on soil bacteria. |
| Short Title | FEMS Microbiol. Ecol.FEMS Microbiol. Ecol. |
| Alternate Journal | FEMS Microbiol. Ecol. |
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- Coping with copper: legacy effect of copper on potential activity of soil bacteria following a century of exposure
Coping with copper: legacy effect of copper on potential activity of soil bacteria following a century of exposure
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Nunes, Ines Jacquiod, Samuel Brejnrod, Asker Holm, Peter E. Johansen, Anders Brandt, Kristian K. Prieme, Anders Sorensen, Soren J.
Brandt, Kristian Koefoed/I-3240-2012
Brandt, Kristian Koefoed/0000-0001-7886-9708; Jacquiod, Samuel/0000-0002-0713-7996
People Program (Marie Curie Actions FP7-PEOPLE-2011-ITN) of the European Union's Seventh Framework Program FP7, under the project TRAIN-BIODIVERSE, Training for functional soil microorganism biodiversity [REA 289949]
This work was supported by the People Program (Marie Curie Actions FP7-PEOPLE-2011-ITN) of the European Union's Seventh Framework Program FP7/2007-2013, under the project TRAIN-BIODIVERSE, Training for functional soil microorganism biodiversity [REA 289949].
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Oxford univ press
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Jacquiod, S (reprint author), Univ Copenhagen, Sect Microbiol, Univ Sparken 15,Bldg 1, DK-2100 Copenhagen, Denmark.; Jacquiod, S (reprint author), Univ Copenhagen, Microbiol Sect, Dept Biol, Univ Sparken 15,Bldg 1, DK-2100 Copenhagen, Denmark.
samjqd@gmail.com
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