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Adaption of microbi...
Adaption of microbial communities to the hostile environment in the Doce River after the collapse of two iron ore tailing dams
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- Giongo, Adriana (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil;Univ Reg Blumenau FURB, Brazil
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- dos Anjos Borges, Luiz Gustavo (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Marconatto, Leticia (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Palhano, Pamela de Lara (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Serbent, Maria Pilar (författare)
- Univ Reg Blumenau FURB, Brazil;Univ Estado Santa Catarina UDESC, Brazil
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- Moreira-Silva, Eduardo (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Siqueira, Tiago de Abreu (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Martinho, Caroline Thais (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Barili, Rosalia (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Paz, Lisie Valeria (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Moser, Leticia Isabela (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Verissimo, Carolina De Marco (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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- Ketzer, João Marcelo (författare)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Vatten
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- Medina-Silva, Renata (författare)
- Pontificia Univ Catolica Rio Grande do Sul PUCRS, Brazil
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(creator_code:org_t)
- Elsevier, 2020
- 2020
- Engelska.
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Ingår i: Heliyon. - : Elsevier. - 2405-8440. ; 6:8, s. 1-16
- Relaterad länk:
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https://doi.org/10.1...
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http://www.cell.com/...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In November 2015, two iron ore tailing dams collapsed in the city of Mariana, Brazil. The dams' collapse generated a wave of approximately 50 million m(3) of a mixture of mining waste and water. It was a major environmental tragedy in Brazilian history, which damaged rivers, and cities 660 km away in the Doce River basin until it reached the ocean coast. Shortly after the incident, several reports informed that the concentration of metals in the water was above acceptable legal limits under Brazilian laws. Here the microbial communities in samples of water, mud, foam, and rhizosphere of Eichhornia from Doce River were analyzed for 16S and 18S rRNA-based amplicon sequencing, along with microbial isolation, chemical and mineralogical analyses. Samples were collected one month and thirteen months after the collapse. Prokaryotic communities from mud shifted drastically over time (33% Bray-Curtis similarity), while water samples were more similar (63% Bray-Curtis similarity) in the same period. After 12 months, mud samples remained with high levels of heavy metals and a reduction in the diversity of microeukaryotes was detected. Amoebozoans increased in mud samples, reaching 49% of microeukaryote abundance, with Discosea and Lobosa groups being the most abundant. The microbial communities' structure in mud samples changed adapting to the new environment condition. The characterization of microbial communities and metal-tolerant organisms from such impacted environments is essential for understanding the ecological consequences of massive anthropogenic impacts and strategies for the restoration of contaminated sites such as the Doce River.
Ämnesord
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Nyckelord
- Aquatic ecology
- Ecosystem change
- Microbial ecology
- Water pollution
- Bacteria
- Protozoa
- Microbial genomics
- Ore mining
- Environmental impact
- Metal tolerance
- High throughput DNA sequencing
- Mikrobiologi
- Microbiology
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- art (ämneskategori)
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Giongo, Adriana
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dos Anjos Borges ...
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Marconatto, Leti ...
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Palhano, Pamela ...
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Serbent, Maria P ...
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Moreira-Silva, E ...
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Siqueira, Tiago ...
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Martinho, Caroli ...
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Barili, Rosalia
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Paz, Lisie Valer ...
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Moser, Leticia I ...
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Verissimo, Carol ...
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Ketzer, João Mar ...
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Medina-Silva, Re ...
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