1. Centre for Bacterial Cell Biology, Institute for Cell and Molecular Biosciences, Newcastle University, Newcastle upon Tyne; UK
2. Waksman Institute, Rutgers, The State University of New Jersey; Piscataway NJ USA
3. Department of Physics, Boston University; Boston MA USA
4. Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey; Piscataway NJ USA
5. Institutes of Molecular Genetics and Gene Biology, Russian Academy of Sciences; Moscow Russia