Characterization of the Listeria ivanovii subsp. ivanovii isolates from a 55-year-old man with gastroenteritis and bacteremia. A) The 4 isolates, 07/00250, 07/00251, and 07/00252 from blood, and 07/00253 from feces, were analyzed by pulsed-field gel electrophoresis (PFGE) with ApaI and SmaI restriction enzymes (9). The L. ivanovii subsp. ivanovii type strain American Type Culture Collection (ATCC) 19119 was used as control. Profiles were compared according to band positions by using the Dice coe