Alba Espargaró, Anna Villar-Piqué, Raimon Sabaté* and Salvador Ventura*
* Corresponding authors: Raimon Sabaté rsabate@ub.edu - Salvador Ventura salvador.ventura@uab.es
Microbial Cell Factories 2012, 11:89 doi:10.1186/1475-2859-11-89
