Oxoid™ O.B.I.S. PYR

General References:

1. Chagla, A. H., Borczyk, A. A., Aldom, J. E., Dalla Rosa, S. and Cole, D. D. (1993). Evaluation of the L-Pyrrolidonyl-β-Napthylamide hydrolosis test for differentiation of members of the families Enterbacteriaceae and Vibrionaceae. J. Clin. Microbiol. 31. 1946-1948.
2. Bennett, A. R., MacPhee, S., Betts, R. and Post, D. (1999). Use of enzyme pyrrolidonyl peptidase (Oxoid PYR test) to distinguish Citrobacter from Salmonella isolated from foods. Letters in Applied Microbiology. 28. 175-178
3. Data on file at Oxoid
4. Druggan, P., Roberts, P. and Swaine, D. (1999). A Rapid Chromogenic Method for the Differentiation of Citrobacter spp. and Salmonella spp. Directly from Enteric Media. Abstr. C-444 p71 Abstr. 99th Annual Meet. Am. Soc. Microbiol. 1999.
5. Bascomb, S. and Manafi, M. (1998). Use of Enzyme tests in the Characterization and Identification of Aerobic and Facultatively Anaerobic Gram-Positive Cocci. Clinical Microbiological Reviews. 11. 318-340.