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Natural mutation in the regulatory gene (srrG) influences virulence-associated genes and enhances invasiveness in Streptococcus dysgalactiae subsp. equisimilis strains isolated from cases of streptococcal toxic shock syndrome.
Ikebe T, Otsuka H, Chiba K, Kazawa Y, Yamaguchi T, Okuno R, Date Y, Sasaki M, Isobe J, Ohnishi M, Akeda Y. Ikebe T, et al. Among authors: isobe j. EBioMedicine. 2022 Jul;81:104133. doi: 10.1016/j.ebiom.2022.104133. Epub 2022 Jun 29. EBioMedicine. 2022. PMID: 35779495 Free PMC article.
Antimicrobial susceptibility survey of Streptococcus pyogenes isolated in Japan from patients with severe invasive group A streptococcal infections.
Ikebe T, Hirasawa K, Suzuki R, Isobe J, Tanaka D, Katsukawa C, Kawahara R, Tomita M, Ogata K, Endoh M, Okuno R, Watanabe H. Ikebe T, et al. Among authors: isobe j. Antimicrob Agents Chemother. 2005 Feb;49(2):788-90. doi: 10.1128/AAC.49.2.788-790.2005. Antimicrob Agents Chemother. 2005. PMID: 15673769 Free PMC article.
Genetic features of clinical isolates of Streptococcus dysgalactiae subsp. equisimilis possessing Lancefield's group A antigen.
Tanaka D, Isobe J, Watahiki M, Nagai Y, Katsukawa C, Kawahara R, Endoh M, Okuno R, Kumagai N, Matsumoto M, Morikawa Y, Ikebe T, Watanabe H; Working Group for Group A Streptococci in Japan. Tanaka D, et al. Among authors: isobe j. J Clin Microbiol. 2008 Apr;46(4):1526-9. doi: 10.1128/JCM.02188-07. Epub 2008 Feb 27. J Clin Microbiol. 2008. PMID: 18305132 Free PMC article.
Emergence of clindamycin-resistant Streptococcus pyogenes isolates obtained from patients with severe invasive infections in Japan.
Ikebe T, Wada A, Oguro Y, Ogata K, Katsukawa C, Isobe J, Shima T, Suzuki R, Ohya H, Tominaga K, Okuno R, Uchitani Y, Watanabe H; Working Group for Beta-hemolytic Streptococci in Japan. Ikebe T, et al. Among authors: isobe j. Jpn J Infect Dis. 2010 Jul;63(4):304-5. Jpn J Infect Dis. 2010. PMID: 20657078 No abstract available.
Close correlation of streptococcal DNase B (sdaB) alleles with emm genotypes in Streptococcus pyogenes.
Matsumoto M, Sakae K, Hashikawa S, Torii K, Hasegawa T, Horii T, Endo M, Okuno R, Murayama S, Hirasawa K, Suzuki R, Isobe J, Tanaka D, Katsukawa C, Tamaru A, Tomita M, Ogata K, Ikebe T, Watanabe H, Ohta M; Working Group for Group A Streptococci in Japan. Matsumoto M, et al. Among authors: isobe j. Microbiol Immunol. 2005;49(10):925-9. doi: 10.1111/j.1348-0421.2005.tb03684.x. Microbiol Immunol. 2005. PMID: 16237270 Free article.
Molecular mechanisms of high level tetracycline-resistance in group A streptococcal isolates, T serotypes 4 and 11.
Matsumoto M, Sakae K, Ohta M, Endo M, Okuno R, Murayama S, Hirasawa K, Suzuki R, Isobe J, Tanaka D, Katsukawa C, Tamaru A, Tomita M, Ogata K, Yasuoka T, Ikebe T, Watanabe H; Working Group for Group A Streptococci in Japan. Matsumoto M, et al. Among authors: isobe j. Int J Antimicrob Agents. 2005 Feb;25(2):142-7. doi: 10.1016/j.ijantimicag.2004.09.014. Int J Antimicrob Agents. 2005. PMID: 15664484
167 results