Ice-nucleation negative fluorescent pseudomonads isolated from Hebridean cloud and rain water produce biosurfactants H. E. Ahern, K. A. Walsh, T. C. J. Hill, and B. F. Moffett University of East London, Romford Road, Stratford, London, UK Environment Agency, Wallingford, UK Received: 1 September 2006 – Accepted: 15 September 2006 – Published: 4 October 2006 Correspondence to: T. C. J. Hill (t.c...

N-Formimidoyl thienamycin was the most active drug against strains of Pseudomonas aeruginosa with a 90% minimum inhibitory concentration of 1.25 mug/ml. With the exception of P. maltophilia, thienamycin was as active or more active than moxalactam against other species of pseudomonads and against other genera of nonfermenters.

More than 90 morphological and physiological characters of 227 strains of pseudomonads isolated from clinical specimens and 16 reference strains are described. The clinical isolates included P. aeruginosa (apyocyanogenic), P. fluorescens, P. putida, P. pseudomallei, P. cepacia, P. acidovorans, P. alcaligenes, P. pseudoalcaligenes, P. stutzeri, P. putrefaciens, P. maltophilia, and P. diminuta.