Bacterial diversity of terra preta and pristine forest soil from the Western Amazon

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Kim, Jong-Shik
Sparovek, Gerd
Longo, Regina M.
De Melo, Wanderley Jose
Crowley, David

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Elsevier B.V.


The survey presented here describes the bacterial diversity and community structures of a pristine forest soil and an anthropogenic, terra preta from the Western Amazon forest using molecular methods to identify the predominant phylogenetic groups. Bacterial community similarities and species diversity in the two soils were compared using oligonucleotide fingerprint grouping of 16S rRNA gene sequences for 1500 clones (OFRG) and by DNA sequencing. The results showed that both soils had similar bacterial community compositions over a range of phylogenetic distances, among which Acidobacteria were predominant, but that terra preta supported approximately 25% greater species richness. The survey provides the first detailed analysis of the composition and structure of bacterial communities from terra preta anthrosols using noncultured-based molecular methods. (c) 2006 Elsevier Ltd. All rights reserved.



bacterial diversity, forest soils, microbial ecology, terra preta

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Soil Biology & Biochemistry. Oxford: Pergamon-Elsevier B.V., v. 39, n. 2, p. 684-690, 2007.