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Microbial Community Profile and Water Quality in a Protected Area of the Caatinga Biome

The Caatinga is a semi-arid biome in northeast Brazil. The Paraguaçú River is located in the Caatinga biome, and part of its course is protected by the National Park of Chapada Diamantina (PNCD). In this study we evaluated the effect of PNCD protection on the water quality and microbial community di...

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Autores principales: Lopes, Fabyano Alvares Cardoso, Catão, Elisa Caldeira Pires, Santana, Renata Henrique, Cabral, Anderson de Souza, Paranhos, Rodolfo, Rangel, Thiago Pessanha, de Rezende, Carlos Eduardo, Edwards, Robert A., Thompson, Cristiane C., Thompson, Fabiano L., Kruger, Ricardo Henrique
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4755664/
https://www.ncbi.nlm.nih.gov/pubmed/26881432
http://dx.doi.org/10.1371/journal.pone.0148296
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author Lopes, Fabyano Alvares Cardoso
Catão, Elisa Caldeira Pires
Santana, Renata Henrique
Cabral, Anderson de Souza
Paranhos, Rodolfo
Rangel, Thiago Pessanha
de Rezende, Carlos Eduardo
Edwards, Robert A.
Thompson, Cristiane C.
Thompson, Fabiano L.
Kruger, Ricardo Henrique
author_facet Lopes, Fabyano Alvares Cardoso
Catão, Elisa Caldeira Pires
Santana, Renata Henrique
Cabral, Anderson de Souza
Paranhos, Rodolfo
Rangel, Thiago Pessanha
de Rezende, Carlos Eduardo
Edwards, Robert A.
Thompson, Cristiane C.
Thompson, Fabiano L.
Kruger, Ricardo Henrique
author_sort Lopes, Fabyano Alvares Cardoso
collection PubMed
description The Caatinga is a semi-arid biome in northeast Brazil. The Paraguaçú River is located in the Caatinga biome, and part of its course is protected by the National Park of Chapada Diamantina (PNCD). In this study we evaluated the effect of PNCD protection on the water quality and microbial community diversity of this river by analyzing water samples obtained from points located inside and outside the PNCD in both wet and dry seasons. Results of water quality analysis showed higher levels of silicate, ammonia, particulate organic carbon, and nitrite in samples from the unprotected area compared with those from protected areas. Pyrosequencing of the 16S rRNA genes revealed that Burkholderiales was abundant in samples from all three sites during both seasons and was represented primarily by the genus Polynucleobacter and members of the Comamonadaceae family (e.g., genus Limnohabitans). During the dry season, the unprotected area showed a higher abundance of Flavobacterium sp. and Arthrobacter sp., which are frequently associated with the presence and/or degradation of arsenic and pesticide compounds. In addition, genes that appear to be related to agricultural impacts on the environment, as well as those involved in arsenic and cadmium resistance, copper homeostasis, and propanediol utilization, were detected in the unprotected areas by metagenomic sequencing. Although PNCD protection improves water quality, agricultural activities around the park may affect water quality within the park and may account for the presence of bacteria capable of pesticide degradation and assimilation, evidencing possible anthropogenic impacts on the Caatinga.
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spelling pubmed-47556642016-02-26 Microbial Community Profile and Water Quality in a Protected Area of the Caatinga Biome Lopes, Fabyano Alvares Cardoso Catão, Elisa Caldeira Pires Santana, Renata Henrique Cabral, Anderson de Souza Paranhos, Rodolfo Rangel, Thiago Pessanha de Rezende, Carlos Eduardo Edwards, Robert A. Thompson, Cristiane C. Thompson, Fabiano L. Kruger, Ricardo Henrique PLoS One Research Article The Caatinga is a semi-arid biome in northeast Brazil. The Paraguaçú River is located in the Caatinga biome, and part of its course is protected by the National Park of Chapada Diamantina (PNCD). In this study we evaluated the effect of PNCD protection on the water quality and microbial community diversity of this river by analyzing water samples obtained from points located inside and outside the PNCD in both wet and dry seasons. Results of water quality analysis showed higher levels of silicate, ammonia, particulate organic carbon, and nitrite in samples from the unprotected area compared with those from protected areas. Pyrosequencing of the 16S rRNA genes revealed that Burkholderiales was abundant in samples from all three sites during both seasons and was represented primarily by the genus Polynucleobacter and members of the Comamonadaceae family (e.g., genus Limnohabitans). During the dry season, the unprotected area showed a higher abundance of Flavobacterium sp. and Arthrobacter sp., which are frequently associated with the presence and/or degradation of arsenic and pesticide compounds. In addition, genes that appear to be related to agricultural impacts on the environment, as well as those involved in arsenic and cadmium resistance, copper homeostasis, and propanediol utilization, were detected in the unprotected areas by metagenomic sequencing. Although PNCD protection improves water quality, agricultural activities around the park may affect water quality within the park and may account for the presence of bacteria capable of pesticide degradation and assimilation, evidencing possible anthropogenic impacts on the Caatinga. Public Library of Science 2016-02-16 /pmc/articles/PMC4755664/ /pubmed/26881432 http://dx.doi.org/10.1371/journal.pone.0148296 Text en © 2016 Lopes et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Lopes, Fabyano Alvares Cardoso
Catão, Elisa Caldeira Pires
Santana, Renata Henrique
Cabral, Anderson de Souza
Paranhos, Rodolfo
Rangel, Thiago Pessanha
de Rezende, Carlos Eduardo
Edwards, Robert A.
Thompson, Cristiane C.
Thompson, Fabiano L.
Kruger, Ricardo Henrique
Microbial Community Profile and Water Quality in a Protected Area of the Caatinga Biome
title Microbial Community Profile and Water Quality in a Protected Area of the Caatinga Biome
title_full Microbial Community Profile and Water Quality in a Protected Area of the Caatinga Biome
title_fullStr Microbial Community Profile and Water Quality in a Protected Area of the Caatinga Biome
title_full_unstemmed Microbial Community Profile and Water Quality in a Protected Area of the Caatinga Biome
title_short Microbial Community Profile and Water Quality in a Protected Area of the Caatinga Biome
title_sort microbial community profile and water quality in a protected area of the caatinga biome
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4755664/
https://www.ncbi.nlm.nih.gov/pubmed/26881432
http://dx.doi.org/10.1371/journal.pone.0148296
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