Institution: | Laboratory of Molecular Genetics,;Laboratory of Microbial Development and;Laboratory of Bacterial Cell Biology, Instituto de Tecnologia Química e Biológica (ITQB) da Universidade Nova de Lisboa (UNL), 2780 Oeiras, Portugal.; Laboratory of Microbiology, The Rockefeller University, 1230 York Avenue, New York, NY 10021, USA. |