1. Laboratory of Recombinant Technology, Bio-Manguinhos, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil1
2. Biotechnology Centre, Federal University of Pelotas, Pelotas, Brazil2
3. Department of Biochemistry and Molecular Biology, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro, Brazil3
4. School of Biological Sciences, University of Surrey, Guildford, Surrey, UK4