期刊
ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS
卷 93, 期 3, 页码 -出版社
ACAD BRASILEIRA DE CIENCIAS
DOI: 10.1590/0001-3765202120190183
关键词
Caatinga biome; metagenomics; microbial communities; diversity
资金
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior -CAPES / Programa Nacional de Pos-Doutorado-PNPD/Financiadora de Estudos e Projetos-FINEP [02714/09-4]
Studies evaluating the structure and diversity of bacterial communities in arid environments, including the rhizosphere of local and adapted plant species, are important. The composition and abundance of bacterial communities vary in different regions, influenced by environmental and soil conditions.
Studies evaluating the structure and diversity of bacterial communities in arid environments including the rhizosphere of local and adapted plant species are important. Therefore, we used a sequencing of the 16S ribosomal RNA gene for describing the structure and diversity of soil bacterial community in three zones: Agreste, Transition and Sertao. The bacterial community was clustered in 9,838 OTUs in Agreste, 8,388 OTUs in the transition, and 14,849 OTUs for Sertao. Among the most abundant phyla, Proteobacteria and Acidobacteria were abundant in Agreste and Sertao, respectively, while Actinobacteria were abundant in Transition and Sertao. Specific taxa of Proteobacteria, in Agreste, and Actinobacteria, in Sertao, exhibited differences according to biotic and abiotic conditions. Thus, the structure and diversity of bacterial community were different in these areas and were influenced by environmental and soil conditions.
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