Author | Reis, Mariana de Paula | |
Author | Dias, Marcela França | |
Author | Silva, Patricia Costa Lima da | |
Author | Ávila, Marcelo De Paula | |
Author | Leite, Laura Rabelo | |
Author | Araújo, Flávio Marcos Gomes de | |
Author | Salim, Anna Christina de Matos | |
Author | Rodriguez, Mônica Bucciarelli | |
Author | Oliveira, Guilherme Correa de | |
Author | Souza, Edmar Chartone | |
Author | Nascimento, Andrea Maria Amaral | |
Access date | 2017-07-12T19:25:58Z | |
Available date | 2017-07-12T19:25:58Z | |
Document date | 2016 | |
Citation | REIS, Mariana de Paula et al. Metagenomic signatures of a tropical mining-impacted stream reveal complex microbial and metabolic networks. Chemosphere, v. 161, p. 266-73, 2016. | pt_BR |
ISSN | 0045-6535 | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/20064 | |
Language | eng | pt_BR |
Publisher | Elsevier Ltd | pt_BR |
Rights | restricted access | pt_BR |
Subject in Portuguese | 16S rRNA | pt_BR |
Title | Metagenomic signatures of a tropical mining-impacted stream reveal complex microbial and metabolic networks | pt_BR |
Type | Article | pt_BR |
Abstract | Bacteria from aquatic ecosystems significantly contribute to biogeochemical cycles, but details of their community structure in tropical mining-impacted environments remain unexplored. In this study, we analyzed a bacterial community from circumneutral-pH tropical stream sediment by 16S rRNA and shotgun deep sequencing. Carrapatos stream sediment, which has been exposed to metal stress due to gold and iron mining (21 [g Fe]/kg), revealed a diverse community, with predominance of Proteobacteria (39.4%), Bacteroidetes (12.2%), and Parcubacteria (11.4%). Among Proteobacteria, the most abundant reads were assigned to neutrophilic iron-oxidizing taxa, such as Gallionella, Sideroxydans, and Mariprofundus, which are involved in Fe cycling and harbor several metal resistance genes. Functional analysis revealed a large number of genes participating in nitrogen and methane metabolic pathways despite the low concentrations of inorganic nitrogen in the Carrapatos stream. Our findings provide important insights into bacterial community interactions in a mining-impacted environment. | pt_BR |
Affilliation | Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Biologia Geral. Belo Horizonte, MG, Brazil | pt_BR |
Affilliation | Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Biologia Geral. Belo Horizonte, MG, Brazil | pt_BR |
Affilliation | Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Biologia Geral. Belo Horizonte, MG, Brazil | pt_BR |
Affilliation | Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Biologia Geral. Belo Horizonte, MG, Brazil | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Belo Horizonte, MG, Brazil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Belo Horizonte, MG, Brazil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Belo Horizonte, MG, Brazil. | pt_BR |
Affilliation | Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Biologia Geral. Belo Horizonte, MG, Brazil | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Belo Horizonte, MG, Brazil/Instituto Tecnológico Vale. Belém, PA, Brazil. | pt_BR |
Affilliation | Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Biologia Geral. Belo Horizonte, MG, Brazil | pt_BR |
Affilliation | Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Biologia Geral. Belo Horizonte, MG, Brazil | pt_BR |
Subject | 16S rRNA | pt_BR |
Subject | Freshwater | pt_BR |
Subject | Iron-rich sediment | pt_BR |
Subject | Shotgun metagenome | pt_BR |
e-ISSN | 10.1016/j.chemosphere.2016.06.097 | |
Embargo date | 2022-01-01 | |