1. Institute of Biological Sciences, Federal University of Pará, Belém, PA, Brazil
2. REQUIMTE/CQFB, Department of Chemistry at the Faculty of Science and Technology, New University of Lisbon, Caparica, Portugal
3. Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
4. Laboratory of Ecology of Micro-organisms, IO, University of São Paulo, São Paulo, Brazil