Genetic characterization of Mycoplasma pneumoniae isolated in Osaka between 2011 and 2017: Decreased detection rate of macrolide-resistance and increase of p1 gene type 2 lineage s...

by Chihiro Katsukawa, Tsuyoshi Kenri, Keigo Shibayama, Kazuo Takahashi
Published 2019-01-01

Biochemical characterization of quinolinic acid phosphoribosyltransferase from Mycobacterium tuberculosis H37Rv and inhibition of its activity by pyrazinamide.

by Hyun Kim, Keigo Shibayama, Emiko Rimbara, Shigetarou Mori
Published 2014-01-01

Geographical distribution of Enterobacterales with a carbapenemase IMP-6 phenotype and its association with antimicrobial use: An analysis using comprehensive national surveillance...

by Aki Hirabayashi, Koji Yahara, Toshiki Kajihara, Motoyuki Sugai, Keigo Shibayama
Published 2020-01-01

A high seroprevalence of antibodies to pertussis toxin among Japanese adults: Qualitative and quantitative analyses.

by Takumi Moriuchi, Nao Otsuka, Yukihiro Hiramatsu, Keigo Shibayama, Kazunari Kamachi
Published 2017-01-01

Molecular ruler of the attachment organelle in Mycoplasma pneumoniae.

by Daisuke Nakane, Kohki Murata, Tsuyoshi Kenri, Keigo Shibayama, Takayuki Nishizaka
Published 2021-06-01

Molecular ruler of the attachment organelle in Mycoplasma pneumoniae

by Daisuke Nakane, Kohki Murata, Tsuyoshi Kenri, Keigo Shibayama, Takayuki Nishizaka
Published 2021-06-01

Genetic analysis of Bordetella pertussis isolates from the 2008-2010 pertussis epidemic in Japan.

by Yusuke Miyaji, Nao Otsuka, Hiromi Toyoizumi-Ajisaka, Keigo Shibayama, Kazunari Kamachi
Published 2013-01-01

Disease burden of bloodstream infections caused by antimicrobial-resistant bacteria: A population-level study, Japan, 2015–2018

by Shinya Tsuzuki, Nobuaki Matsunaga, Koji Yahara, Keigo Shibayama, Motoyuki Sugai, Norio Ohmagari
Published 2021-07-01

The plasmid-encoded transcription factor ArdK contributes to the repression of the IMP-6 metallo-β-lactamase gene blaIMP-6, leading to a carbapenem-susceptible phenotype in the bla...

by Takaya Segawa, Tsuyoshi Sekizuka, Satowa Suzuki, Keigo Shibayama, Mari Matsui, Makoto Kuroda
Published 2018-01-01

Significant Decrease in Pertactin-Deficient Bordetella pertussis Isolates, Japan

by Yukihiro Hiramatsu, Yusuke Miyaji, Nao Otsuka, Yoshichika Arakawa, Keigo Shibayama, Kazunari Kamachi
Published 2017-04-01

Induction and Resuscitation of Viable but Nonculturable <i>Corynebacterium diphtheriae</i>

by Takashi Hamabata, Mitsutoshi Senoh, Masaaki Iwaki, Ayae Nishiyama, Akihiko Yamamoto, Keigo Shibayama
Published 2021-04-01

Association between the frequency of surgeries for video-assisted thoracic surgery and the incidence of consequent surgical site infections: a retrospective observational study bas...

by Toshiki Kajihara, Koji Yahara, Aki Hirabayashi, Hitomi Kurosu, Motoyuki Sugai, Keigo Shibayama
Published 2021-04-01

Improved penicillin susceptibility of Streptococcus pneumoniae and increased penicillin consumption in Japan, 2013-18.

by Shinya Tsuzuki, Takayuki Akiyama, Nobuaki Matsunaga, Koji Yahara, Keigo Shibayama, Motoyuki Sugai, Norio Ohmagari
Published 2020-01-01

Diversity and microevolution of CRISPR loci in Helicobacter cinaedi.

by Junko Tomida, Yuji Morita, Keigo Shibayama, Ken Kikuchi, Tomohiro Sawa, Takaaki Akaike, Yoshiaki Kawamura
Published 2017-01-01

BipA Is Associated with Preventing Autoagglutination and Promoting Biofilm Formation in Bordetella holmesii.

by Yukihiro Hiramatsu, Momoko Saito, Nao Otsuka, Eri Suzuki, Mineo Watanabe, Keigo Shibayama, Kazunari Kamachi
Published 2016-01-01

Rapid and simple SNP genotyping for Bordetella pertussis epidemic strain MT27 based on a multiplexed single-base extension assay

by Kazunari Kamachi, Shu-Man Yao, Chuen-Sheue Chiang, Kentaro Koide, Nao Otsuka, Keigo Shibayama
Published 2021-03-01

Biochemical and structural investigations on phosphoribosylpyrophosphate synthetase from Mycobacterium smegmatis.

by Stefano Donini, Silvia Garavaglia, Davide M Ferraris, Riccardo Miggiano, Shigetarou Mori, Keigo Shibayama, Menico Rizzi
Published 2017-01-01

Seroprevalence of IgA and IgM antibodies to Bordetella pertussis in healthy Japanese donors: Assessment for the serological diagnosis of pertussis.

by Rei Fumimoto, Nao Otsuka, Hajime Kamiya, Tomimasa Sunagawa, Keiko Tanaka-Taya, Kazunari Kamachi, Keigo Shibayama
Published 2019-01-01

Limitations of Ribotyping as Genotyping Method for Corynebacterium ulcerans

by Tsuyoshi Sekizuka, Chihiro Katsukawa, Makoto Kuroda, Keigo Shibayama, Ken Otsuji, Mitsumasa Saito, Akihiko Yamamoto, Masaaki Iwaki
Published 2020-10-01

Prevalence and genetic characterization of pertactin-deficient Bordetella pertussis in Japan.

by Nao Otsuka, Hyun-Ja Han, Hiromi Toyoizumi-Ajisaka, Yukitsugu Nakamura, Yoshichika Arakawa, Keigo Shibayama, Kazunari Kamachi
Published 2012-01-01