title: Characterization of multidrug-resistant group B streptococci with reduced penicillin susceptibility forming small non-Beta-hemolytic colonies on sheep blood agar plates.
abstract: We isolated and characterized three multidrug-resistant clinical isolates of group B streptococci with reduced penicillin susceptibility (PRGBS) that formed small non-beta-hemolytic colonies on sheep blood agar plates but grew well on chocolate agar plates. They can be overlooked in the bacterial identification step, leading to clinical misdiagnosis and treatment failure.
authors.affiliation: Department of Bacteriology, Nagoya University Graduate School of Medicine, Aichi, Japan.
authors.forename: Hirotsugu
authors.initials: H
authors.lastname: Banno
authors.affiliation: Department of Bacteriology, Nagoya University Graduate School of Medicine, Aichi, Japan Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan koujikim@med.nagoya-u.ac.jp.
authors.forename: Kouji
authors.initials: K
authors.lastname: Kimura
authors.affiliation: Department of Microbiology Laboratory, Yokohama City Seibu Hospital, St. Marianna University School of Medicine, Kanagawa, Japan.
authors.forename: Yosuke
authors.initials: Y
authors.lastname: Tanaka
authors.affiliation: Department of Bacteriology, Nagoya University Graduate School of Medicine, Aichi, Japan.
authors.forename: Hiromitsu
authors.initials: H
authors.lastname: Kitanaka
authors.affiliation: Department of Bacteriology, Nagoya University Graduate School of Medicine, Aichi, Japan.
authors.forename: Wanchun
authors.initials: W
authors.lastname: Jin
authors.affiliation: Department of Bacteriology, Nagoya University Graduate School of Medicine, Aichi, Japan Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan.
authors.forename: Jun-ichi
authors.initials: J
authors.lastname: Wachino
authors.affiliation: Department of Bacteriology, Nagoya University Graduate School of Medicine, Aichi, Japan.
authors.forename: Keiko
authors.initials: K
authors.lastname: Yamada
authors.affiliation: Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan.
authors.forename: Keigo
authors.initials: K
authors.lastname: Shibayama
authors.affiliation: Department of Bacteriology, Nagoya University Graduate School of Medicine, Aichi, Japan Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan.
authors.forename: Yoshichika
authors.initials: Y
authors.lastname: Arakawa
mesh_terms: D000362:Agar; D000369:Aged, 80 and over; D001769:Blood; D003470:Culture Media / Q000737:chemistry; D024901:Drug Resistance, Multiple, Bacterial; D006461:Hemolysis; D006801:Humans; D008297:Male; D008826:Microbial Sensitivity Tests; D010406:Penicillins / Q000494:pharmacology*; D013290:Streptococcal Infections / Q000382:microbiology; D013292:Streptococcus agalactiae / Q000187:drug effects* / Q000254:growth & development / Q000302:isolation & purification*; D018440:beta-Lactam Resistance
chemical_list: D003470:Culture Media; D010406:Penicillins; D000362:Agar