Other numbers: ATCC 4617, CCTM La 166, CCUG 2514, CIP 53.157, CNCTC Brb 5/63, DSM 10303, FDA PCI 1701, LMG 1808, NCIMB 9935, NCTC 8344, NRRL B-140, WHO 11. History: < CNCTC < NRRL < W.A. Hagan. Isolated from: USA, Washington. Additional information: Microbioassay of colistin and polymyxin B (2242); cylinder plate assay of polymyxin in body fluids, feeds, milk and pharmaceutic preparations (1233,1236); assay of polymyxin B (4730,5804), colistimethane sodium and colistin (5933); diffusion assay of colistin sulphate and polymyxin B sulphate (5934,6287). Biohazard group 2. Cultivation conditions: Medium 71, 37°C.