1. School of ChemistryUniversity of Manchester Manchester M13 9PL UK
2. Interdisciplinary Centre for Ancient Life, School of Earth and Environmental SciencesUniversity of Manchester Manchester M13 9PL UK
3. UMR 7269, CNRS, LAMPEA, MMSH 5 rue du Château de l'Horloge, BP 647 F‐13094 Aix‐en‐Provence, Cedex 2 France
4. CNRS UMR 5608, TRACESUniversité Toulouse Jean Jaurès Maison de la Recherche, 5 allée Antonio Machado F‐31058 Toulouse, Cedex 9 France
5. Manchester Institute of BiotechnologyUniversity of Manchester Manchester M1 7DN UK