Estrutura metabólica e genética de comunidades bacterianas em solo de cerrado sob diferentes manejos

Leandro Moraes de Souza; Franciele Schlemmer; Priscila Martins Alencar; André Alves de Castro Lopes; Samuel Ribeiro Passos; Gustavo Ribeiro Xavier; Marcelo Ferreira Fernandes; Iêda de Carvalho Mendes; Fabio Bueno dos Reis Junior

doi:10.1590/S1678-3921.pab2012.v47.10927

Genetic and metabolic structure of bacterial communities in cerrado soil under different managements

Authors

Leandro Moraes de Souza University of Brasília
Franciele Schlemmer Embrapa CErrados
Priscila Martins Alencar Embrapa Cerrados
André Alves de Castro Lopes University of Brasília
Samuel Ribeiro Passos Federal Rural University of Rio de Janeiro
Gustavo Ribeiro Xavier Embrapa Agrobiologia
Marcelo Ferreira Fernandes Embrapa Tabuleiros Costeiros
Iêda de Carvalho Mendes Embrapa Cerrados
Fabio Bueno dos Reis Junior Embrapa Cerrados

DOI:

https://doi.org/10.1590/S1678-3921.pab2012.v47.10927

Keywords:

soil biodiversity, Biolog EcoPlate, DGGE, metabolic profile, no tillage, conventional tillage

Abstract

The objective of this work was to evaluate the metabolic and genetic structure of bacterial communities in a cerrado Oxisol under native vegetation or cultivated in a soybean/maize rotation system under conventional
tillage and no tillage. EcoPlate microplates were used to determine the metabolic profile and diversity of bacterial communities, and denaturing gradient gel electrophoresis (DGGE) to assess the genetic structure. The Mantel statistic test was used to evaluate the relationship between the metabolic and the genetic structure. The
bacterial community under native vegetation showed a different metabolic profile than that of cultivated soils.
In the area cultivated with soybean under conventional tillage, the carbon source utilization pattern differed
from the other treatments. Based on the DGGE results, the bacterial community under native vegetation showed
35% similarity to the ones found under cultivation. Distinct groups of soil bacterial communities were formed
between the areas under conventional tillage and no tillage. A significant correlation of 62% was observed between matrices generated by EcoPlate microplates and by DGGE. Variations in the metabolic profile are related to changes in the genetic structure of soil bacterial communities.

Author Biographies

Leandro Moraes de Souza, University of Brasília

http://lattes.cnpq.br/3178390231365780
Franciele Schlemmer, Embrapa CErrados

http://lattes.cnpq.br/8844233936029070
Priscila Martins Alencar, Embrapa Cerrados

http://lattes.cnpq.br/7283322028112054
André Alves de Castro Lopes, University of Brasília

http://lattes.cnpq.br/3546137136960859
Samuel Ribeiro Passos, Federal Rural University of Rio de Janeiro

http://lattes.cnpq.br/6303176269490824
Gustavo Ribeiro Xavier, Embrapa Agrobiologia

http://lattes.cnpq.br/6832519607059036
Marcelo Ferreira Fernandes, Embrapa Tabuleiros Costeiros

http://lattes.cnpq.br/5487898763006069
Iêda de Carvalho Mendes, Embrapa Cerrados

http://lattes.cnpq.br/1503203554671446
Fabio Bueno dos Reis Junior, Embrapa Cerrados

http://lattes.cnpq.br/0338883659293784 BRASILIA, DF

Downloads

PDF (Portuguese (Brazil))

Published

2012-04-12

Issue

v.47, n.2, fev. 2012

Section

MICROBIOLOGY

How to Cite

de Souza, L. M., Schlemmer, F., Alencar, P. M., Lopes, A. A. de C., Passos, S. R., Xavier, G. R., Fernandes, M. F., Mendes, I. de C., & Reis Junior, F. B. dos. (2012). Genetic and metabolic structure of bacterial communities in cerrado soil under different managements. Pesquisa Agropecuaria Brasileira, 47(2), 269-276. https://doi.org/10.1590/S1678-3921.pab2012.v47.10927

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