[antibiotic sensitivity of bacteria isolated from patients at 6 hospitals in osaka].we examined mics of 6 oral new quinolones and 4 oral cephems against bacteria isolated from patients at 6 hospitals in osaka during the period from january to june in 1990, and the following results were obtained. 1. all species excluding streptococcus pyogenes were more sensitive with less frequencies of resistance to new quinolones than to cephems. in new quinolones, tosufloxacin (tflx) was the most active against gram-positive cocci and ciprofloxacin (cpfx) and tflx had the highest activities ...19911960855
photobacterium phosphoreum caused a histamine fish poisoning incident of histamine fish poisoning (hfp) occurred due to the consumption of iwashi maruboshi (dried sardine) in osaka, japan in march 2002. a histamine-producing bacterial strain, ys4-7, was isolated from iwashi maruboshi that contained 1700 mg of histamine per kilogram. this strain was identified as photobacterium phosphoreum by biochemical examinations and partial sequencing of 16s rdna. p. phosphoreum ys4-7 showed greater capability as a histamine producer at 4 and 12 degrees c than morg ...200415033270
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