Erratum to: Microb Cell Fact (2017) 16:12 DOI 10.1186/s12934-017-0628-6

The authors of this published article [1] would like to add the following sentence to the ‘Acknowledgements’ section of the article [1]:

“We also thank the University program PASPA-UNAM for the scholarship granted to CE to carry out a sabbatical stay in Mucosal and Salivary Biology Division, King’s College, Guy’s Hospital, London, UK”.