[1] Natl Univ Ireland, Alimentary Pharmabiot Ctr, Cork, Ireland
[2] Natl Univ Ireland, Dept Microbiol, Biosci Inst, Cork, Ireland
[3] Univ Parma, Lab Probiogen, Dept Genet Biol Microorganisms Anthropol & Evolut, I-43100 Parma, Italy
[4] CSIC, IPLA, Dept Microbiol & Bioquim Prod Lacteos, Villaviciosa, Asturias, Spain
[5] Univ Verona, Dept Biotechnol, Funct Genom Ctr, I-37100 Verona, Italy
[6] Univ Aix Marseille, Marseille, France