1 LABEM-Laboratory of Biotechnology and Microbial Ecology-Institute of Microbiology Paulo de Góes, Federal University of Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil.
2 LEMM-Laboratory of Microbial Molecular Ecology-Institute of Microbiology Paulo de Góes, Federal University of Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil.
3 Embrapa Solos, Rio de Janeiro, 22460-000, Brazil.
4 Center for Microbial Ecology, Michigan State University, East Lansing, 48824, USA.
5 LABEM-Laboratory of Biotechnology and Microbial Ecology-Institute of Microbiology Paulo de Góes, Federal University of Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil. caiorachid@micro.ufrj.br.