Other numbers: CECT 550, CIP 110068, CN 4781, NCFB 1711, NCIMB 506, NCTC 506, WDCM 00079, strain F1. History: < CRBIP, CIP, France < CECT < NCTC < M. Robertson, Lister Institute, London UK. Additional information: Negative control strain for acid phosphatase test (ISO 14189). Biohazard group 2. Cultivation conditions: Medium 132, 37°C, anaerobic.