Erratum to: Applied Microbiology and Biotechnology

DOI 10.1007/s00253-012-4104-2

We regret that the gene source of propionyl-CoA transferase was wrongly given as Clostridium propionicum whereas it should have been Megasphaera elsdenii, and that the accession number of the gene product was wrongly given as AJ276553 whereas it should have been YP_004765791.

The publishers apologise for this error