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Nitrogen-Fixing Bacteria in Eucalyptus globulus Plantations

Eucalypt cultivation is an important economic activity worldwide. In Portugal, Eucalyptus globulus plantations account for one-third of the total forested area. The nutritional requirements of this crop have been well studied, and nitrogen (N) is one of the most important elements required for veget...

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Autores principales: da Silva, Marliane de Cássia Soares, Paula, Thiago de Almeida, Moreira, Bruno Coutinho, Carolino, Manuela, Cruz, Cristina, Bazzolli, Denise Mara Soares, Silva, Cynthia Canedo, Kasuya, Maria Catarina Megumi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4207822/
https://www.ncbi.nlm.nih.gov/pubmed/25340502
http://dx.doi.org/10.1371/journal.pone.0111313
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author da Silva, Marliane de Cássia Soares
Paula, Thiago de Almeida
Moreira, Bruno Coutinho
Carolino, Manuela
Cruz, Cristina
Bazzolli, Denise Mara Soares
Silva, Cynthia Canedo
Kasuya, Maria Catarina Megumi
author_facet da Silva, Marliane de Cássia Soares
Paula, Thiago de Almeida
Moreira, Bruno Coutinho
Carolino, Manuela
Cruz, Cristina
Bazzolli, Denise Mara Soares
Silva, Cynthia Canedo
Kasuya, Maria Catarina Megumi
author_sort da Silva, Marliane de Cássia Soares
collection PubMed
description Eucalypt cultivation is an important economic activity worldwide. In Portugal, Eucalyptus globulus plantations account for one-third of the total forested area. The nutritional requirements of this crop have been well studied, and nitrogen (N) is one of the most important elements required for vegetal growth. N dynamics in soils are influenced by microorganisms, such as diazotrophic bacteria (DB) that are responsible for biological nitrogen fixation (BNF), so the aim of this study was to evaluate and identity the main groups of DB in E. globulus plantations. Samples of soil and root systems were collected in winter and summer from three different Portuguese regions (Penafiel, Gavião and Odemira). We observed that DB communities were affected by season, N fertilization and moisture. Furthermore Bradyrhizobium and Burkholderia were the most prevalent genera in these three regions. This is the first study describing the dynamic of these bacteria in E. globulus plantations, and these data will likely contribute to a better understanding of the nutritional requirements of eucalypt cultivation and associated organic matter turnover.
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spelling pubmed-42078222014-10-27 Nitrogen-Fixing Bacteria in Eucalyptus globulus Plantations da Silva, Marliane de Cássia Soares Paula, Thiago de Almeida Moreira, Bruno Coutinho Carolino, Manuela Cruz, Cristina Bazzolli, Denise Mara Soares Silva, Cynthia Canedo Kasuya, Maria Catarina Megumi PLoS One Research Article Eucalypt cultivation is an important economic activity worldwide. In Portugal, Eucalyptus globulus plantations account for one-third of the total forested area. The nutritional requirements of this crop have been well studied, and nitrogen (N) is one of the most important elements required for vegetal growth. N dynamics in soils are influenced by microorganisms, such as diazotrophic bacteria (DB) that are responsible for biological nitrogen fixation (BNF), so the aim of this study was to evaluate and identity the main groups of DB in E. globulus plantations. Samples of soil and root systems were collected in winter and summer from three different Portuguese regions (Penafiel, Gavião and Odemira). We observed that DB communities were affected by season, N fertilization and moisture. Furthermore Bradyrhizobium and Burkholderia were the most prevalent genera in these three regions. This is the first study describing the dynamic of these bacteria in E. globulus plantations, and these data will likely contribute to a better understanding of the nutritional requirements of eucalypt cultivation and associated organic matter turnover. Public Library of Science 2014-10-23 /pmc/articles/PMC4207822/ /pubmed/25340502 http://dx.doi.org/10.1371/journal.pone.0111313 Text en © 2014 da Silva 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, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
spellingShingle Research Article
da Silva, Marliane de Cássia Soares
Paula, Thiago de Almeida
Moreira, Bruno Coutinho
Carolino, Manuela
Cruz, Cristina
Bazzolli, Denise Mara Soares
Silva, Cynthia Canedo
Kasuya, Maria Catarina Megumi
Nitrogen-Fixing Bacteria in Eucalyptus globulus Plantations
title Nitrogen-Fixing Bacteria in Eucalyptus globulus Plantations
title_full Nitrogen-Fixing Bacteria in Eucalyptus globulus Plantations
title_fullStr Nitrogen-Fixing Bacteria in Eucalyptus globulus Plantations
title_full_unstemmed Nitrogen-Fixing Bacteria in Eucalyptus globulus Plantations
title_short Nitrogen-Fixing Bacteria in Eucalyptus globulus Plantations
title_sort nitrogen-fixing bacteria in eucalyptus globulus plantations
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4207822/
https://www.ncbi.nlm.nih.gov/pubmed/25340502
http://dx.doi.org/10.1371/journal.pone.0111313
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