1. Division of Plant Physiology, Department of Biology/Chemistry, University of Osnabrueck, D-49069 Osnabrueck, Germany
2. Division of Microbiology, Department of Biology/Chemistry, University of Osnabrueck, D-49069 Osnabrueck, Germany
3. Department of Animal, Plant, and Soil Science, Australian Research Council Centre of Excellence in Plant Energy Biology, School of Life Science, La Trobe University, Bundoora, Victoria 3083, Australia