Shifts in the metabolic function of a benthic estuarine microbial community following a single pulse exposure to silver nanoparticles
The increasing use of silver nanoparticles (AgNPs) as a biocidal agent and their potential accumulation in sediments may threaten non-target natural environmental bacterial communities. In this study a microcosm approach was established to investigate the effects of well characterized OECD AgNPs (NM...
Ausführliche Beschreibung
Autor*in: |
Echavarri-Bravo, Virginia [verfasserIn] |
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Format: |
Artikel |
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Sprache: |
Englisch |
Erschienen: |
2015 |
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Rechteinformationen: |
Nutzungsrecht: Copyright © 2015 The Authors. Published by Elsevier Ltd.. All rights reserved. |
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Schlagwörter: |
Metal Nanoparticles - administration & dosage Geologic Sediments - chemistry Metal Nanoparticles - toxicity |
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Systematik: |
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Übergeordnetes Werk: |
Enthalten in: Environmental pollution |
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Übergeordnetes Werk: |
volume:201 ; year:2015 ; pages:91-99 |
Links: |
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DOI / URN: |
10.1016/j.envpol.2015.02.033 |
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OLC1957721006 |
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10.1016/j.envpol.2015.02.033 doi PQ20160617 (DE-627)OLC1957721006 (DE-599)GBVOLC1957721006 (PRQ)c1571-df1526689b8cba3269604df6b8c4ef24083d80ff7f544c2e3716c90f15667cc10 (KEY)0160768520150000201000000091shiftsinthemetabolicfunctionofabenthicestuarinemic DE-627 ger DE-627 rakwb eng 333.7 570 690 DNB BIODIV fid AR 10100 AVZ rvk 30.00 bkl 43.00 bkl Echavarri-Bravo, Virginia verfasserin aut Shifts in the metabolic function of a benthic estuarine microbial community following a single pulse exposure to silver nanoparticles 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The increasing use of silver nanoparticles (AgNPs) as a biocidal agent and their potential accumulation in sediments may threaten non-target natural environmental bacterial communities. In this study a microcosm approach was established to investigate the effects of well characterized OECD AgNPs (NM-300) on the function of the bacterial community inhabiting marine estuarine sediments (salinity 31‰). The results showed that a single pulse of NM-300 AgNPs (1 mg L(-1)) that led to sediment concentrations below 6 mg Ag kg(-1) dry weight inhibited the bacterial utilization of environmentally relevant carbon substrates. As a result, the functional diversity changed, but recovered after 120 h under the experimental conditions. This microcosm study suggests that AgNPs under environmentally relevant experimental conditions can negatively affect bacterial function and provides an insight into the understanding of the bacterial community response and resilience to AgNPs exposure, important for informing relevant regulatory measures. Nutzungsrecht: Copyright © 2015 The Authors. Published by Elsevier Ltd.. All rights reserved. Metal Nanoparticles - administration & dosage Geologic Sediments - chemistry Metal Nanoparticles - toxicity Silver - administration & dosage Silver - toxicity Bacteria - drug effects Paterson, Lynn oth Aspray, Thomas J oth Porter, Joanne S oth Winson, Michael K oth Thornton, Barry oth Hartl, Mark G J oth Enthalten in Environmental pollution <London> New York, NY [u.a.] : Elsevier, 1970 201(2015), Seite 91-99 (DE-627)129852449 (DE-600)280652-6 (DE-576)015152731 0013-9327 nnns volume:201 year:2015 pages:91-99 http://dx.doi.org/10.1016/j.envpol.2015.02.033 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25779207 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-FOR SSG-OLC-IBL SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4219 AR 10100 30.00 AVZ 43.00 AVZ AR 201 2015 91-99 |
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10.1016/j.envpol.2015.02.033 doi PQ20160617 (DE-627)OLC1957721006 (DE-599)GBVOLC1957721006 (PRQ)c1571-df1526689b8cba3269604df6b8c4ef24083d80ff7f544c2e3716c90f15667cc10 (KEY)0160768520150000201000000091shiftsinthemetabolicfunctionofabenthicestuarinemic DE-627 ger DE-627 rakwb eng 333.7 570 690 DNB BIODIV fid AR 10100 AVZ rvk 30.00 bkl 43.00 bkl Echavarri-Bravo, Virginia verfasserin aut Shifts in the metabolic function of a benthic estuarine microbial community following a single pulse exposure to silver nanoparticles 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The increasing use of silver nanoparticles (AgNPs) as a biocidal agent and their potential accumulation in sediments may threaten non-target natural environmental bacterial communities. In this study a microcosm approach was established to investigate the effects of well characterized OECD AgNPs (NM-300) on the function of the bacterial community inhabiting marine estuarine sediments (salinity 31‰). The results showed that a single pulse of NM-300 AgNPs (1 mg L(-1)) that led to sediment concentrations below 6 mg Ag kg(-1) dry weight inhibited the bacterial utilization of environmentally relevant carbon substrates. As a result, the functional diversity changed, but recovered after 120 h under the experimental conditions. This microcosm study suggests that AgNPs under environmentally relevant experimental conditions can negatively affect bacterial function and provides an insight into the understanding of the bacterial community response and resilience to AgNPs exposure, important for informing relevant regulatory measures. Nutzungsrecht: Copyright © 2015 The Authors. Published by Elsevier Ltd.. All rights reserved. Metal Nanoparticles - administration & dosage Geologic Sediments - chemistry Metal Nanoparticles - toxicity Silver - administration & dosage Silver - toxicity Bacteria - drug effects Paterson, Lynn oth Aspray, Thomas J oth Porter, Joanne S oth Winson, Michael K oth Thornton, Barry oth Hartl, Mark G J oth Enthalten in Environmental pollution <London> New York, NY [u.a.] : Elsevier, 1970 201(2015), Seite 91-99 (DE-627)129852449 (DE-600)280652-6 (DE-576)015152731 0013-9327 nnns volume:201 year:2015 pages:91-99 http://dx.doi.org/10.1016/j.envpol.2015.02.033 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25779207 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-FOR SSG-OLC-IBL SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4219 AR 10100 30.00 AVZ 43.00 AVZ AR 201 2015 91-99 |
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shifts in the metabolic function of a benthic estuarine microbial community following a single pulse exposure to silver nanoparticles |
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Shifts in the metabolic function of a benthic estuarine microbial community following a single pulse exposure to silver nanoparticles |
abstract |
The increasing use of silver nanoparticles (AgNPs) as a biocidal agent and their potential accumulation in sediments may threaten non-target natural environmental bacterial communities. In this study a microcosm approach was established to investigate the effects of well characterized OECD AgNPs (NM-300) on the function of the bacterial community inhabiting marine estuarine sediments (salinity 31‰). The results showed that a single pulse of NM-300 AgNPs (1 mg L(-1)) that led to sediment concentrations below 6 mg Ag kg(-1) dry weight inhibited the bacterial utilization of environmentally relevant carbon substrates. As a result, the functional diversity changed, but recovered after 120 h under the experimental conditions. This microcosm study suggests that AgNPs under environmentally relevant experimental conditions can negatively affect bacterial function and provides an insight into the understanding of the bacterial community response and resilience to AgNPs exposure, important for informing relevant regulatory measures. |
abstractGer |
The increasing use of silver nanoparticles (AgNPs) as a biocidal agent and their potential accumulation in sediments may threaten non-target natural environmental bacterial communities. In this study a microcosm approach was established to investigate the effects of well characterized OECD AgNPs (NM-300) on the function of the bacterial community inhabiting marine estuarine sediments (salinity 31‰). The results showed that a single pulse of NM-300 AgNPs (1 mg L(-1)) that led to sediment concentrations below 6 mg Ag kg(-1) dry weight inhibited the bacterial utilization of environmentally relevant carbon substrates. As a result, the functional diversity changed, but recovered after 120 h under the experimental conditions. This microcosm study suggests that AgNPs under environmentally relevant experimental conditions can negatively affect bacterial function and provides an insight into the understanding of the bacterial community response and resilience to AgNPs exposure, important for informing relevant regulatory measures. |
abstract_unstemmed |
The increasing use of silver nanoparticles (AgNPs) as a biocidal agent and their potential accumulation in sediments may threaten non-target natural environmental bacterial communities. In this study a microcosm approach was established to investigate the effects of well characterized OECD AgNPs (NM-300) on the function of the bacterial community inhabiting marine estuarine sediments (salinity 31‰). The results showed that a single pulse of NM-300 AgNPs (1 mg L(-1)) that led to sediment concentrations below 6 mg Ag kg(-1) dry weight inhibited the bacterial utilization of environmentally relevant carbon substrates. As a result, the functional diversity changed, but recovered after 120 h under the experimental conditions. This microcosm study suggests that AgNPs under environmentally relevant experimental conditions can negatively affect bacterial function and provides an insight into the understanding of the bacterial community response and resilience to AgNPs exposure, important for informing relevant regulatory measures. |
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title_short |
Shifts in the metabolic function of a benthic estuarine microbial community following a single pulse exposure to silver nanoparticles |
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