1. Institute for Global Food Security; School of Biological Sciences; MBC; Queen's University Belfast; Belfast BT9 7BL Northern Ireland
2. Plant Nutrition Group; Institute of Crop Science and Resource Conservation; University of Bonn; Karlrobert-Kreiten-Str. 13 D-53115 Bonn Germany
3. UK Centre for Astrobiology; School of Physics and Astronomy; University of Edinburgh; Edinburgh EH9 3JZ UK
4. CBS Fungal Biodiversity Centre; Uppsalalaan 8 CT 3584 Utrecht The Netherlands
5. School of Chemistry; University of Leeds; Leeds LS2 9JT West Yorkshire UK
6. ESA-ESTEC; 2200 Noordwijk The Netherlands
7. School of Biological Sciences; University of Essex; Colchester CO4 3SQ Essex UK
8. Institute of Microbiology; Technical University Braunschweig; Spielmannstrasse 7 D-38106 Braunschweig Germany
9. NASA Headquarters; Washington DC 20546-0001 USA
10. Centre de Biophysique Moléculaire; CNRS; Rue Charles Sadron; Centre de Recherches sur les Matériaux à Haute Température; 1D, avenue de la recherché scientifique 45071 Orléans Cedex 2 France
11. CNR; Istituto per l'Ambiente Marino Costiero; 98122 Messina Italy