@article{MirusStraussNicolaisenetal.2009,
  author    = {Oliver Mirus and Sascha Strauss and Kerstin Nicolaisen and Arndt von Haeseler and Enrico Schleiff},
  title     = {TonB-dependent transporters and their occurrence in cyanobacteria},
  journal   = {BMC biology},
  volume    = {7},
  number    = {68},
  pages     = {1 -- 25},
  doi       = {10.1186/1741-7007-7-68},
  year      = {2009},
}