About the Authors

Anna Arizzi

anna.arizzi@ouce.ox.ac.uk

Affiliation School of Geography and the Environment, University of Oxford, Dyson Perrins Building, South Parks Road, Oxford, OX1 3QY, United Kingdom

Monika Brümmer

Affiliation CANNABRIC, Cañada Ojeda, 8 E-18500 Guadíx, Granada, Spain

Inés Martín-Sanchez

Affiliation Departamento de Microbiología, Universidad de Granada, Avda. Fuentenueva s/n, 18002, Granada, Spain

Giuseppe Cultrone

Affiliation Departamento de Mineralogía y Petrología, Universidad de Granada, Avda. Fuentenueva s/n, 18002, Granada, Spain

Heather Viles

Affiliation School of Geography and the Environment, University of Oxford, Dyson Perrins Building, South Parks Road, Oxford, OX1 3QY, United Kingdom

Competing Interests

MB is the owner of CANNABRIC, whose company provided the raw materials used in this study. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AA. Performed the experiments: AA MB IMS. Analyzed the data: AA IMS. Contributed reagents/materials/analysis tools: MB IMS GC. Wrote the paper: AA MB IMS GC HV.