About the Authors

Monica Calvo-Polanco

monica.calvo@eez.csic.es

Affiliation Estación Experimental del Zaidín (CSIC), Department of Soil Microbiology and Symbiotic Systems, Granada, Spain

Beatriz Sánchez-Romera

Affiliation Estación Experimental del Zaidín (CSIC), Department of Soil Microbiology and Symbiotic Systems, Granada, Spain

Ricardo Aroca

Affiliation Estación Experimental del Zaidín (CSIC), Department of Soil Microbiology and Symbiotic Systems, Granada, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MCP RA. Performed the experiments: MCP BSR. Analyzed the data: MCP. Contributed reagents/materials/analysis tools: MCP RA. Wrote the paper: MCP BSR RA.