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Title of Journal: Microb Ecol

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Abbravation: Microbial Ecology

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Springer US

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DOI

10.1016/0888-613x(96)00037-0

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1432-184X

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Amazonian Dark Earth and Plant Species from the Am

Authors: Amanda Barbosa Lima Fabiana Souza Cannavan Acacio Aparecido Navarrete Wenceslau Geraldes Teixeira Eiko Eurya Kuramae Siu Mui Tsai
Publish Date: 2014/08/08
Volume: 69, Issue: 4, Pages: 855-866
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Abstract

Amazonian Dark Earths ADE or Terra Preta de Índio formed in the past by preColumbian populations are highly sustained fertile soils supported by microbial communities that differ from those extant in adjacent soils These soils are found in the Amazon region and are considered as a model soil when compared to the surrounding and background soils The aim of this study was to assess the effects of ADE and its surrounding soil on the rhizosphere bacterial communities of two leguminous plant species that frequently occur in the Amazon region in forest sites Mimosa debilis and open areas Senna alata Bacterial community structure was evaluated using terminal restriction fragment length polymorphism TRFLP and bacterial community composition by V4 16S rRNA gene region pyrosequencing TRFLP analysis showed effect of soil types and plant species on rhizosphere bacterial community structure Differential abundance of bacterial phyla such as Acidobacteria Actinobacteria Verrucomicrobia and Firmicutes revealed that soil type contributes to shape the bacterial communities Furthermore bacterial phyla such as Firmicutes and Nitrospira were mostly influenced by plant species Plant roots influenced several soil chemical properties especially when plants were grown in ADE These results showed that differences observed in rhizosphere bacterial community structure and composition can be influenced by plant species and soil fertility due to variation in soil attributesWe thank ACG Souza AK Silveira M Rüter RS Macedo and TT Souza for assistance with the fieldwork We also thank Dr LAG de Souza INPA for providing seeds and helpful discussion Thanks to MG Dumont for careful proofreading and comments The authors acknowledge the financial support of CNPq—Conselho Nacional de Desenvolvimento Científico e Tecnológico and FAPESP—Fundação de Amparo à Pesquisa do Estado de São Paulo 2011/509143 2011/517496 This research was supported by Embrapa Amazônia Ocidental and by FAPEAM—Fundação de Amparo à Pesquisa do Estado do Amazonas doctoral scholarship to the first author Thanks are also given to the anonymous reviewers for their constructive comments Publication 5619 Netherlands Institute of Ecology NIOOKNAW


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  5. Denitrifying Bacterial Community Composition Changes Associated with Stages of Denitrification in Oxygen Minimum Zones
  6. Is There a Size Limit for Cosmopolitan Distribution in Free-Living Microorganisms? A Biogeographical Analysis of Testate Amoebae from Polar Areas
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  10. Feasibility of Removing Surface Deposits on Stone Using Biological and Chemical Remediation Methods
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