Calcium ions play a critical role in calcification of Corynebacterium matruchotii.
Naoko Ohara; Midori Ogawa; Katsuki Takebe; Ikue Tosa; Serina Ono; Mitsumasa Saito; Naoya Ohara
Scientific reports, Jan. 2026, Reviewed, No invitation

A case of infection with Leptospires from three different serovars during a flood in the Philippines.
Yasutake Yanagihara; Toshiyuki Masuzawa; Masashi Shingai; Marumi Ohno; Toshiki Sekiya; Naoki Nomura; Tomomi Kawakita; Chimuka Handabile; Yuichi Koshiishi; Richard Obeng-Kyeremeh; Toshihiro Ito; Mitsumasa Saito; Sharon Y A M Villanueva; Nina G Gloriani; Hiroshi Kida
The American Journal of Tropical Medicine and Hygiene, Jul. 2025, Reviewed, No invitation

First report of a fatal case of Clostridium porci bacteremia in an 8-month-old girl presenting with purpura fulminans associated with concurrent Yersinia pseudotuberculosis infection.
Tetsuro Oku; Kenichi Tetsuhara; Akihiko Tamaki; Sho Akamine; Yoshitaka Tomita; Rie Kikuno; Mitsumasa Saito; Takayuki Hoshina
International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases, May 2025, Reviewed

Development of a PCR method for rapid detection of Leptospira from one microliter of whole blood.
Satoshi Miyahara; Toru Yoneda; Satoshi Kimura; Kazumasa Fukuda; Midori Ogawa; Kazunori Kimitsuki; Nobuo Saito; Akira Nishizono; Mitsumasa Saito
Diagnostic microbiology and infectious disease, May 2025, Reviewed
Last

Effects of the sampling time on the vaginal microbiota in healthy pregnant women: a prospective observational study.
Hiroshi Mori; Eiji Shibata; Emi Kondo; Mitsumasa Saito; Kiyoshi Yoshino; Kazumasa Fukuda
AJOG global reports, Feb. 2025, Reviewed, No invitation

Fibrinolytic treatment using recombinant tissue-type plasminogen activator (rt-PA) for staphylococcal infective endocarditis.
Tomoya Takigawa; Satoshi Miyahara; Hiromu Ishii; Midori Ogawa; Kazumasa Fukuda; Yosuke Nishimura; Mitsumasa Saito
Microbial pathogenesis, Oct. 2024, Reviewed, No invitation
Last

Effective biofilm eradication in MRSA isolates with aminoglycoside-modifying enzyme genes using high-concentration and prolonged gentamicin treatment.
Kohei Ando; Satoshi Miyahara; Shuhei Hanada; Kazumasa Fukuda; Mitsumasa Saito; Akinori Sakai; Akihiro Maruo; Yukichi Zenke
Microbiology spectrum, Aug. 2024, Reviewed, No invitation

Surveillance and phylogenetic analysis of a pathogenic bacterium candidate in nasal discharge from children.
Kazumasa Fukuda; Kaoru Haro; Kei Yamasaki; Hiroaki Ikegami; Mitsumasa Saito
Microbiology spectrum, May 2024, Reviewed, No invitation
Last

Non-purulent myositis caused by direct invasion of skeletal muscle tissue by Leptospira in a hamster model.
Satoshi Miyahara; Hiroshi Mori; Kazumasa Fukuda; Midori Ogawa; Mitsumasa Saito
Infection and immunity, Jan. 2024, Reviewed, No invitation
Last

Protective role of stratum corneum in percutaneous Leptospira infection in a hamster model.
Tatsuma Asoh; Satoshi Miyahara; Sharon Y; A. M. Villanueva; Takaaki Kanemaru; Tomoya Takigawa; Hiroshi Mori; Nina G. Gloriani; Shin-ichi Yoshida; Mitsumasa Saito
Microbial Pathogenesis, Jul. 2023, Reviewed, No invitation
Last, Corresponding

Increased copy number of 23S ribosomal RNA gene with point mutation in MRSA associated with linezolid resistance in a patient treated with long-term linezolid.
Katsunori Suzuki; Mitsumasa Saito; Hideaki Hanaki
Journal of Infection and Chemotherapy, Jan. 2023, Reviewed, No invitation

Measuring the effects of respiratory protective equipment and other protectors in preventing the scattering of vocalization droplets.
Hidenori Higashi; Takako Oyabu; Chikage Nagano; Hiroko Kitamura; Shoko Kawanami; Mitsumasa Saito; Seichi Horie
Industrial Health, Jan. 2023, Reviewed, No invitation

Differences in the microbiota of oral rinse, lesion, and normal site samples from patients with mucosal abnormalities on the tongue.
Yawaka Shitozawa; Kaoru Haro; Midori Ogawa; Akihiko Miyawaki; Mitsumasa Saito; Kazumasa Fukuda
Scientific Reports, Oct. 2022, Reviewed, No invitation

Helicobacter pylori results in lysis and death after exposure to water.
Yoshinori Inamasu; Midori Ogawa; Mitsumasa Saito; Masaru Harada; Kazumasa Fukuda
Helicobacter, Aug. 2022, Reviewed, No invitation

Detection system for Legionella bacteria using photogate-type optical sensor
Yuto Honda; Ryosuke Ichikawa; Yong Joon Choi; Kensuke Murakami; Kazuhiro Takahashi; Toshihiko Noda; Kazuaki Sawada; Hiromu Ishii; Katsuyuki Machida; Hiroyuki Ito; Satoshi Miyahara; Yasuhiko Nikaido; Mitsumasa Saito
Japanese Journal of Applied Physics, Jun. 2022, Reviewed, No invitation

Leptospira Is an environmental bacterium that grows in waterlogged soil.
Yasutake Yanagihara; Sharon Y A M Villanueva; Naoki Nomura; Marumi Ohno; Toshiki Sekiya; Chimuka Handabile; Masashi Shingai; Hideaki Higashi; Shin-Ichi Yoshida; Toshiyuki Masuzawa; Nina G Gloriani; Mitsumasa Saito; Hiroshi Kida
Microbiology Spectrum, Mar. 2022, Reviewed, No invitation

Dissemination of Leptospira into the intestinal tract resulting in fecal excretion in a hamster model of subcutaneous infection with Leptospirainterrogans.
Yoshinori Inamasu; Yasuhiko Nikaido; Satoshi Miyahara; Tsukasa Maruoka; Tomoya Takigawa; Midori Ogawa; Toshiyuki Nakayama; Masaru Harada; Mitsumasa Saito
Microbial Pathogenesis, Mar. 2022, Reviewed, No invitation
Last

Literature review to integrate information to assist workers to select masks even at workplaces without occupational health personnel.
Hiroko Kitamura; Shoko Kawanami; Mitsumasa Saito; Seichi Horie
Journal of Occupational Health, Dec. 2021, Reviewed, No invitation

A machine learning model of microscopic agglutination test for diagnosis of leptospirosis.
Yuji Oyamada; Ryo Ozuru; Toshiyuki Masuzawa; Satoshi Miyahara; Yasuhiko Nikaido; Fumiko Obata; Mitsumasa Saito; Sharon Yvette Angelina M Villanueva; Jun Fujii
PloS One, Nov. 2021, Reviewed, No invitation

Correlation between renal distribution of leptospires during the acute phase and chronic renal dysfunction in a hamster model of infection with Leptospira interrogans
Tsukasa Maruoka; Yasuhiko Nikaido; Satoshi Miyahara; Eisuke Katafuchi; Yoshinori Inamasu; Midori Ogawa; Kazumasa Fukuda; Toshiyuki Nakayama; Takafumi Horishita; Mitsumasa Saito
PLOS Neglected Tropical Diseases, Jun. 2021, Reviewed
Last

Sensing Legionella by photogate-type fluorescence sensor: Application to Legionella dumoffii
Sawako Tanaka; Young Joon Choi; Makoto Ishida; Kazuaki Sawada; Hiromu Ishii; Katsuyuki Machida; Yasuhiko Nikaido; Mitsumasa Saito; Shin ichi Yoshida
Electronics and Communications in Japan, Dec. 2020, Reviewed

Bacterial composition of nasal discharge in children based on highly accurate 16S rRNA gene sequencing analysis.
Kaoru Haro; Midori Ogawa; Mitsumasa Saito; Koichi Kusuhara; Kazumasa Fukuda
Scientific Reports, Nov. 2020, Reviewed, No invitation

Limitations of Ribotyping as Genotyping Method for Corynebacterium ulcerans.
Tsuyoshi Sekizuka; Chihiro Katsukawa; Makoto Kuroda; Keigo Shibayama; Ken Otsuji; Mitsumasa Saito; Akihiko Yamamoto; Masaaki Iwaki
Emerging Infectious Diseases, Oct. 2020, Reviewed, No invitation

Coinfection With Multiple Nontuberculous Mycobacteria as a Possible Exacerbating Factor in Pulmonary Nontuberculous Mycobacteriosis: Clone Library Analysis Using the 16S Ribosomal RNA Gene.
Keisuke Naito; Shingo Noguchi; Kazuhiro Yatera; Toshinori Kawanami; Kei Yamasaki; Kazumasa Fukuda; Hiroaki Ikegami; Kentaro Akata; Takashi Kido; Noriho Sakamoto; Mitsumasa Saito; Hiroshi Mukae
Chest, Jun. 2020, Reviewed, No invitation

In vitro characteristics of intravaginal Lactobacilli; why is L. iners detected in abnormal vaginal microbial flora?
Kazuaki Yoshimura; Midori Ogawa; Mitsumasa Saito
Archives of Gynecology and Obstetrics, Jun. 2020, Reviewed, No invitation
Last

Acquisition of genetic mutations in Group A Streptococci at infection site and subsequent systemic dissemination of the mutants with lethal mutations in a streptococcal toxic shock syndrome mouse model.
Ken Otsuji; Kazumasa Fukuda; Tsukasa Maruoka; Midori Ogawa; Mitsumasa Saito
Microbial Pathogenesis, Jun. 2020, Reviewed, No invitation
Last

Sensing legionella by photogate-type fluorescence sensor
Sawako Tanaka; Young Joon Choi; Makoto Ishida; Kazuaki Sawada; Hiromu Ishii; Katsuyuki Machida; Yasuhiko Nikaido; Mitsumasa Saito; Shin Ichi Yoshida
IEEJ Transactions on Sensors and Micromachines, May 2020

Clinical characteristics of patients with bacterial pleuritis in the presence of Streptococcus anginosus group and obligate anaerobes detected by clone library analysis.
Ryosuke Hata; Toshinori Kawanami; Shingo Noguchi; Kazumasa Fukuda; Kentaro Akata; Kei Yamasaki; Mitsumasa Saito; Kazuhiro Yatera; Hiroshi Mukae
The Clinical Respiratory Journal, Mar. 2020, Reviewed, No invitation

Dynamics of microbiota during mechanical ventilation in aspiration pneumonia.
Otsuji K; Fukuda K; Ogawa M; Fujino Y; Kamochi M; Saito M
BMC pulmonary medicine, Dec. 2019, Reviewed, No invitation
Last

Mutation and diversity of diphtheria toxin in Corynebacterium ulcerans.
Otsuji K; Fukuda K; Ogawa M; Saito M
Emerging Infectious Diseases, Nov. 2019, Reviewed, No invitation
Last

Identification of Legionella Species by Photogate-Type Optical Sensor
Sawako Tanaka; Yoshida Shin-Ichi; Yong Joon Choi; Toshihiko Noda; Makoto Ishida; Kazuaki Sawada; Hiromu Ishii; Katsuyuki Machida; Yasuhiko Nikaido; Mitsumasa Saito
Proceedings of IEEE Sensors, Oct. 2019

Transbronchial invasion and proliferation of Leptospira interrogans in lung without inflammatory cell infiltration in a hamster model.
Nikaido Y; Ogawa M; Fukuda K; Yokoyama M; Kanemaru T; Nakayama T; Saito M
Infection and Immunity, Sep. 2019, Reviewed, No invitation
Last

Molecular and phenotypic characterization of Leptospira johnsonii sp. nov., Leptospira ellinghausenii sp. nov. and Leptospira ryugenii sp. nov. isolated from soil and water in Japan.
Masuzawa T; Saito M; Nakao R; Nikaido Y; Matsumoto M; Ogawa M; Yokoyama M; Hidaka Y; Tomita J; Sakakibara K; Suzuki K; Yasuda S; Sato H; Yamaguchi M; Yoshida SI; Koizumi N; Kawamura Y
Microbiology and Immunology, Mar. 2019, Reviewed, No invitation

Molecular analysis of Streptococcus pyogenes strains isolated from patients with recurrent pharyngitis after oral amoxicillin treatment.
Saito M; Hirose M; Ichinose H; Villanueva SYAM; Yoshida SI
Journal of Medical Microbiology, Sep. 2018, Reviewed, No invitation
Lead, Corresponding

Complete Genome Sequence and Characterization of Linezolid-Resistant Enterococcus faecalis Clinical Isolate KUB3006 Carrying a cfr(B)-Transposon on Its Chromosome and optrA-Plasmid.
Kuroda M; Sekizuka T; Matsui H; Suzuki K; Seki H; Saito M; Hanaki H
Frontiers in microbiology, 2018, Reviewed, No invitation

Characterization of Leptospira species isolated from soil collected in Japan
Toshiyuki Masuzawa; Keiko Sakakibara; Mitsumasa Saito; Yusuke Hidaka; Sharon Y. A. M. Villanueva; Yasutake Yanagihara; Shin-Ichi Yoshida
Microbiology and Immunology, Jan. 2018, Reviewed, No invitation

Detection of bacterial fluorescence by the combination of Si photodetector with MEMS microfluidic chip
Shuhei Onishi; Choi Yong Joon; Makoto Ishida; Kazuaki. Sawada; Hiromu Ishii; Katsuyuki Machida; Kazuya Masu; Yasuhiko Nikaido; Mitsumasa Saito; Shin-ichi Yoshida
ECS Trans., Oct. 2017, Reviewed, Invited

[The Current Status of Diagnostic Tools for Leptospirosis].
Saito M; Nikaido Y; Matsumoto M; Ogawa M; Villanueva SYAM
Rinsho Biseibutsu Jinsoku Shindan Kenkyukai shi = JARMAM : Journal of the Association for Rapid Method and Automation in Microbiology, Aug. 2017, Reviewed, No invitation
Lead, Corresponding

The first fatal case of Corynebacterium ulcerans infection in Japan.
Otsuji K; Fukuda K; Endo T; Shimizu S; Harayama N; Ogawa M; Yamamoto A; Umeda K; Umata T; Seki H; Iwaki M; Kamochi M; Saito M
JMM Case Reports, Aug. 2017, Reviewed, No invitation
Last

Adipose tissue is the first colonization site of Leptospira interrogans in subcutaneously infected hamsters
Ryo Ozuru; Mitsumasa Saito; Takaaki Kanemaru; Satoshi Miyahara; Sharon Y. A. M. Villanueva; Gerald L. Murray; Ben Adler; Jun Fujii; Shin-ichi Yoshida
PLOS ONE, Feb. 2017, Reviewed, No invitation

A case of infectious enterocolitis with hyperammonemia
Ken Otsuji; Satoko Simizu; Takeru Endo; Ayako Kanazawa; Hideaki Arai; Keiji Nagata; Nobuya Harayama; Shunichi Nihei; Keiji Aibara; Mitsumasa Saito; Masayuki Kamochi
Journal of UOEH, 2017, Reviewed, No invitation

Non-exponential growth of Mycobacterium leprae Thai-53 strain cultured in vitro
Kazunobu Amako; Ken-ichiro Iida; Mitsumasa Saito; Yoshitoshi Ogura; Tetsuya Hayashi; Shin-ichi Yoshida
MICROBIOLOGY AND IMMUNOLOGY, Dec. 2016, Reviewed, No invitation

A soluble form of Siglec-9 provides a resistance against Group B Streptococcus (GBS) infection in transgenic mice
Mitsumasa Saito; Sayo Yamamoto; Kinuyo Ozaki; Yukiko Tomioka; Haruka Suyama; Masami Morimatsu; Ken-ichi Nishijima; Shin-ichi Yoshida; Etsuro Ono
MICROBIAL PATHOGENESIS, Oct. 2016, Reviewed, No invitation
Lead

Colony types and virulence traits of Legionella feeleii determined by exopolysaccharide materials
Changle Wang; Mitsumasa Saito; Midori Ogawa; Shin-ichi Yoshida
FEMS MICROBIOLOGY LETTERS, May 2016, Reviewed, No invitation

Memory B-Cell Pools Predict the Immune Response to Pneumococcal Conjugate Vaccine in Immunocompromised Children
Takayuki Hoshina; Shouichi Ohga; Junko Fujiyoshi; Etsuro Nanishi; Tomoko Takimoto; Shunsuke Kanno; Hisanori Nishio; Mitsumasa Saito; Yukihiro Akeda; Kazunori Oishi; Toshiro Hara
JOURNAL OF INFECTIOUS DISEASES, Mar. 2016, Reviewed, No invitation

Molecular approaches to studying microbial communities: Targeting the 16S ribosomal RNA gene
Kazumasa Fukuda; Midori Ogawa; Hatsumi Taniguchi; Mitsumasa Saito
Journal of UOEH, 2016, Reviewed, No invitation
Last

Comparative analysis of virulence traits between a Legionella feeleii strain implicated in Pontiac fever and a strain that caused Legionnaires' disease
Changle Wang; Mitsumasa Saito; Tamami Tanaka; Kazunobu Amako; Shin-ichi Yoshida
MICROBIAL PATHOGENESIS, Dec. 2015, Reviewed, No invitation

The usefulness of semi-solid medium in the isolation of highly virulent Leptospira strains from wild rats in an urban area of Fukuoka, Japan
Mitsumasa Saito; Sharon Y. A. M. Villanueva; Toshiyuki Masuzawa; Yusuke Haraguchi; Shuhei Ita; Satoshi Miyahara; Ryo Ozuru; Takayoshi Yamaguchi; Michinobu Yoshimura; Mami Ikejiri; Natsumi Aramaki; Muhammad Yunus Amran; Lisa Tenriesa Muslich; Ken-ichiro Iida; Yasutake Yanagihara; Nina G. Gloriani; Shin-ichi Yoshida
MICROBIOLOGY AND IMMUNOLOGY, Jun. 2015, Reviewed, No invitation
Lead, Corresponding

Characterization of Leptospira infection in suckling and weaning rat pups
Lisa Tenriesa Muslich; Sharon Y. A. M. Villanueva; Muhammad Yunus Amran; Takaya Segawa; Mitsumasa Saito; Shin-ichi Yoshida
COMPARATIVE IMMUNOLOGY MICROBIOLOGY AND INFECTIOUS DISEASES, Feb. 2015, Reviewed, No invitation

Observation of stress responses of bacteria confined in a MEMS microfluidic chip
Y. Nishimura; M. Ishida; K. Sawada; H. Ishii; K. Machida; K. Masu; C. Wang; K. Iida; M. Saito; S. Yoshida
ECS Transactions, 2015, Reviewed, Invited

Leptospira-rat-human relationship in Luzon, Philippines
Sharon Yvette Angelina M. Villanueva; Mitsumasa Saito; Rubelia A. Baterna; Crystal Amiel M. Estrada; Ana Kriselda B. Rivera; Micaella C. Dato; Pia Regina Fatima C. Zamora; Takaya Segawa; Lolita L. Cavinta; Takashi Fukui; Toshiyuki Masuzawa; Yasutake Yanagihara; Nina G. Gloriani; Shin-ichi Yoshida
MICROBES AND INFECTION, Nov. 2014, Reviewed, No invitation

PCR and Culture Identification of Pathogenic Leptospira spp. from Coastal Soil in Leyte, Philippines, after a Storm Surge during Super Typhoon Haiyan (Yolanda)
Mitsumasa Saito; Satoshi Miyahara; Sharon Y. A. M. Villanueva; Natsumi Aramaki; Mami Ikejiri; Yoshie Kobayashi; Jonathan P. Guevarra; Toshiyuki Masuzawa; Nina G. Gloriani; Yasutake Yanagihara; Shin-Ichi Yoshida
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, Nov. 2014, Reviewed, No invitation
Lead, Corresponding

Kawasaki Disease-Specific Molecules in the Sera Are Linked to Microbe-Associated Molecular Patterns in the Biofilms
Takeshi Kusuda; Yasutaka Nakashima; Kenji Murata; Shunsuke Kanno; Hisanori Nishio; Mitsumasa Saito; Tamami Tanaka; Kenichiro Yamamura; Yasunari Sakai; Hidetoshi Takada; Tomofumi Miyamoto; Yumi Mizuno; Kazunobu Ouchi; Kenji Waki; Toshiro Hara
PLOS ONE, Nov. 2014, Reviewed, No invitation

Destruction of the hepatocyte junction by intercellular invasion of Leptospira causes jaundice in a hamster model of Weil's disease
Satoshi Miyahara; Mitsumasa Saito; Takaaki Kanemaru; Sharon Y. A. M. Villanueva; Nina G. Gloriani; Shin-ichi Yoshida
INTERNATIONAL JOURNAL OF EXPERIMENTAL PATHOLOGY, Aug. 2014, Reviewed, No invitation

Natural defense by saliva and mucosa against oral infection by Leptospira
Tatsuma Asoh; Mitsumasa Saito; Sharon Y. A. M. Villanueva; Takaaki Kanemaru; Nina Gloriani; Shin-ichi Yoshida
CANADIAN JOURNAL OF MICROBIOLOGY, Jun. 2014, Reviewed, No invitation

Identification of leptospiral 3-hydroxyacyl-CoA dehydrogenase released in the urine of infected hamsters
Takaya Segawa; Kazuko H. Nomura; Sharon Yvette Angelina M. Villanueva; Mitsumasa Saito; Kazuya Nomura; Nina G. Gloriani; Shin-ichi Yoshida
BMC MICROBIOLOGY, May 2014, Reviewed, No invitation

High virulence in hamsters of four dominant Leptospira serovars isolated from rats in the Philippines
Sharon Y. A. M. Villanueva; Mitsumasa Saito; Yutaka Tsutsumi; Takaya Segawa; Rubelia A. Baterna; Antara Chakraborty; Tatsuma Asoh; Satoshi Miyahara; Yasutake Yanagihara; Lolita L. Cavinta; Nina G. Gloriani; Shin-ichi Yoshida
MICROBIOLOGY-SGM, Feb. 2014, Reviewed, No invitation

[Leptospirosis now-the centennial of the discovery of Weil's disease pathogen].
Saito M; Y A M Villanueva S; Masuzawa T; Yanagihara Y; Yoshida S
Nihon Saikingaku Zasshi. Japanese Journal of Bacteriology, 2014, Reviewed, No invitation
Lead, Corresponding

Leptospira idonii sp nov., isolated from environmental water
Mitsumasa Saito; Sharon Y. A. M. Villanueva; Yoshiaki Kawamura; Ken-ichiro Iida; Junko Tomida; Takaaki Kanemaru; Eni Kohno; Satoshi Miyahara; Akiko Umeda; Kazunobu Amako; Nina G. Gloriani; Shin-ichi Yoshida
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, Jul. 2013, Reviewed, No invitation
Lead

Development of Immunochromatography-Based Methods for Detection of Leptospiral Lipopolysaccharide Antigen in Urine
Dian Widiyanti; Nobuo Koizumi; Takashi Fukui; Lisa T. Muslich; Takaya Segawa; Sharon Y. A. M. Villanueva; Mitsumasa Saito; Toshiyuki Masuzawa; Nina G. Gloriani; Shin-ichi Yoshida
CLINICAL AND VACCINE IMMUNOLOGY, May 2013, Reviewed, No invitation

Bio-MEMS chip for bacteria detection-a challenge of si technology to biomedical field
H. Ishii; K. Sawada; M. Ishida; K. Machida; K. Iida; M. Saito; S. Yoshida
ECS Transactions, 2013, Reviewed, Invited

Comparative Analysis of Leptospira Strains Isolated from Environmental Soil and Water in the Philippines and Japan
Mitsumasa Saito; Sharon Y. A. M. Villanueva; Antara Chakraborty; Satoshi Miyahara; Takaya Segawa; Tatsuma Asoh; Ryo Ozuru; Nina G. Gloriani; Yasutake Yanagihara; Shin-ichi Yoshida
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, Jan. 2013, Reviewed, No invitation
Lead, Corresponding

Effect of hyperbaric oxygen on Vibrio vulnificus and murine infection caused by it
Tetsuro Tamura; Ken-ichiro Iida; Mitsumasa Saito; Susumu Shiota; Hiroaki Nakayama; Shin-ichi Yoshida
MICROBIOLOGY AND IMMUNOLOGY, Oct. 2012, Reviewed, No invitation

Bacterial pericarditis caused by Lactobacillus iners in an infant
Kenji Murata; Takayuki Hoshina; Mitsumasa Saito; Kiyofumi Ohkusu; Kenichiro Yamamura; Yoshihisa Tanoue; Kenji Ihara; Toshiro Hara
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE, Oct. 2012, Reviewed, No invitation

Successful treatment of a patient with tumor necrosis factor receptor-associated periodic syndrome using a half-dose of etanercept
Koichi Kusuhara; Takayuki Hoshina; Mitsumasa Saito; Masataka Ishimura; Hirosuke Inoue; Takahiko Horiuchi; Tetsuji Sato; Toshiro Hara
PEDIATRICS INTERNATIONAL, Aug. 2012, Reviewed, No invitation

NKRP1A(+) gamma delta and alpha beta T cells are preferentially induced in patients with Salmonella infection
Takayuki Hoshina; Koichi Kusuhara; Mitsumasa Saito; Yumi Mizuno; Toshiro Hara
HUMAN IMMUNOLOGY, Jun. 2012, Reviewed, No invitation

Structure-dependent Pseudoreceptor Intracellular Traffic of Adamantyl Globotriaosyl Ceramide Mimics
Mitsumasa Saito; Murugespillai Mylvaganum; Patty Tam; Anton Novak; Beth Binnington; Clifford Lingwood
JOURNAL OF BIOLOGICAL CHEMISTRY, May 2012, Reviewed, No invitation
Lead

Characteristic morphology of intracellular microcolonies of Legionella oakridgensis OR-10
Yuta Takekawa; Mitsumasa Saito; Changle Wang; Tian Qin; Midori Ogawa; Takaaki Kanemaru; Shin-ichi Yoshida
CANADIAN JOURNAL OF MICROBIOLOGY, Feb. 2012, Reviewed, No invitation

A novel combination of selective agents for isolation of Leptospira species
Antara Chakraborty; Satoshi Miyahara; Sharon Y. A. M. Villanueva; Mitsumasa Saito; Nina G. Gloriani; Shin-Ichi Yoshida
MICROBIOLOGY AND IMMUNOLOGY, Jul. 2011, Reviewed, No invitation

Systemic cytokine response in moribund mice of streptococcal toxic shock syndrome model
Mitsumasa Saito; Hideko Kajiwara; Ken-ichiro Iida; Takayuki Hoshina; Koichi Kusuhara; Toshiro Hara; Shin-ichi Yoshida
MICROBIAL PATHOGENESIS, Feb. 2011, Reviewed, No invitation
Lead, Corresponding

Identification of bacterial pathogens in pediatric community-acquired lower respiratory tract infection using a simplified procedure of sputum sampling and examination: comparison between hospitalized children with and without underlying diseases
T. Hoshina; K. Kusuhara; T. Takimoto; M. Saito; T. Hara
EUROPEAN JOURNAL OF CLINICAL MICROBIOLOGY & INFECTIOUS DISEASES, May 2010, Reviewed, No invitation

Toxic shock syndrome-like exanthematous disease in a 2-month-old infant
Hirosuke Inoue; Takayuki Hoshina; Tadamune Kinjo; Mitsumasa Saito; Koichi Kusuhara; Toshiro Hara
PEDIATRICS INTERNATIONAL, Apr. 2010, Reviewed, No invitation

Neonatal bacterial meningitis caused by Streptococcus gallolyticus subsp pasteurianus
Sagano Onoyama; Reina Ogata; Akihito Wada; Mitsumasa Saito; Kenji Okada; Tatsuo Harada
JOURNAL OF MEDICAL MICROBIOLOGY, Sep. 2009, Reviewed, No invitation

Fulminant sepsis/meningitis due to Haemophilus influenzae in a protein C-deficient heterozygote treated with activated protein C therapy
Masataka Ishimura; Mitsumasa Saito; Shouichi Ohga; Takayuki Hoshina; Haruhisa Baba; Michiyo Urata; Ryutaro Kira; Hidetoshi Takada; Koichi Kusuhara; Dongchon Kang; Toshiro Hara
EUROPEAN JOURNAL OF PEDIATRICS, Jun. 2009, Reviewed, No invitation

Disseminated Bacillus Calmette-Gu,rin lymphadenitis in a patient with gp91phox (-) chronic granulomatous disease 25 years after vaccination
Koichi Kusuhara; Shouichi Ohga; Takayuki Hoshina; Mitsumasa Saito; Yuka Sasaki; Masataka Ishimura; Hidetoshi Takada; Masaki Fujita; Toshiro Hara
EUROPEAN JOURNAL OF PEDIATRICS, Jun. 2009, Reviewed, No invitation

Cytomegalovirus-Associated Protein-Losing Enteropathy Resulting from Lymphangiectasia in an Immunocompetent Child
Takayuki Hoshina; Koichi Kusuhara; Mitsumasa Saito; Takuya Hara; Shuji Matsuura; Takashi Yao; Tomonobu Aoki; Toshiro Hara
JAPANESE JOURNAL OF INFECTIOUS DISEASES, May 2009, Reviewed, No invitation

Infected subdural hematoma in an infant
Takayuki Hoshina; Koichi Kusuhara; Mitsumasa Saito; Masahiro Mizoguchi; Takato Morioka; Yumi Mizuno; Tomonobu Aoki; Toshiro Hara
JAPANESE JOURNAL OF INFECTIOUS DISEASES, Sep. 2008, Reviewed, No invitation

An echovirus type 18 outbreak in a neonatal intensive care unit
Koichi Kusuhara; Mitsumasa Saito; Yuka Sasaki; Shunji Hikino; Tomoaki Taguchi; Sachiyo Suita; Jun Hayashi; Kiyoko Wakatsuki; Toshiro Hara
EUROPEAN JOURNAL OF PEDIATRICS, May 2008, Reviewed, No invitation

Concerted action of lactate oxidase and pyruvate oxidase in aerobic growth of Streptococcus pneumoniae: Role of lactate as an energy source
Hiroaki Taniai; Ken-ichiro Iida; Masanori Seki; Mitsumasa Saito; Susumu Shiota; Hiroaki Nakayama; Shin-ichi Yoshida
JOURNAL OF BACTERIOLOGY, May 2008, Reviewed, No invitation

Onset of streptococcal toxic shock syndrome is accelerated by bruising in a mouse model
Masanori Sekia; Mitsumasa Saito; Ken-Ichiro Lida; Hiroaki Taniai; Takashi Soejima; Hiroaki Nakayama; Shin-Ichi Yoshida
MICROBIAL PATHOGENESIS, Apr. 2008, Reviewed, No invitation

Pyogenic splenic abscess in an infant with serological evidence of cat scratch disease
Koichi Kusuhara; Futoshi Nakao; Mitsumasa Saito; Keiji Nakamura; Satoshi Ieiri; Tomoaki Taguchi; Toshiro Hara
EUROPEAN JOURNAL OF PEDIATRICS, Dec. 2007, Reviewed, No invitation

[Echovirus18 (Echo18) outbreak in an intensive care unit for newborn infants].
Kusuhara K; Hikino S; Saito M; Sasaki Y; Taguchi T; Mizuta S; Hayashi J; Wakatsuki K; Hara T
Fukuoka Igaku Zasshi = Fukuoka Acta Medica, Nov. 2007, Reviewed, No invitation

A novel agar medium to detect hydrogen peroxide-producing bacteria based on the Prussian blue-forming reaction
Mitsumasa Saito; Masanori Seki; Ken-ichiro Iida; Hiroaki Nakayama; Shin-ichi Yoshida
MICROBIOLOGY AND IMMUNOLOGY, 2007, Reviewed, No invitation
Lead

Serum immunoglobulin levels do not affect antibody responses to influenza HA vaccine in preterm infants
Y Sasaki; K Kusuhara; M Saito; S Hikino; Y Murayama; H Yamashita; N Matsumoto; J Kukita; N Kinukawa; T Hara
VACCINE, Mar. 2006, Reviewed, No invitation

Benign convulsion with mild gastroenteritis and benign familial infantile seizure
Y Sakai; R Kira; H Torisu; S Yasumoto; M Saito; K Kusuhara; T Hara
EPILEPSY RESEARCH, Mar. 2006, Reviewed, No invitation

Capsule of Streptococcus pyogenes is essential for delayed death of mice in a model of streptococcal toxic shock syndrome
K Iida; M Seki; M Saito; Y Kawamura; H Kajiwara; S Yoshida
MICROBIOLOGY AND IMMUNOLOGY, 2006, Reviewed, No invitation

Relationship between MIC and minimum sterol 14 alpha-demethylation-inhibitory concentration as a factor in evaluating activities of azoles against various fungal species
O Shimokawa; M Niimi; K Kikuchi; M Saito; H Kajiwara; S Yoshida
JOURNAL OF CLINICAL MICROBIOLOGY, Nov. 2005, Reviewed, No invitation

Impaired host defense against Sporothrix schenckii in mice with chronic granulomatous disease
H Kajiwara; M Saito; S Ohga; T Uenotsuchi; SI Yoshida
INFECTION AND IMMUNITY, Sep. 2004, Reviewed, No invitation

Hydrogen peroxide production in Streptococcus pyogenes: Involvement of lactate oxidase and coupling with aerobic utilization of lactate
M Seki; K Iida; M Saito; H Nakayama; S Yoshida
JOURNAL OF BACTERIOLOGY, Apr. 2004, Reviewed, No invitation

H2O2-nonproducing Streptococcus pyogenes strains: survival in stationary phase and virulence in chronic granulomatous disease
M Saito; S Ohga; M Endoh; H Nakayama; Y Mizunoe; T Hara; S Yoshida
MICROBIOLOGY-SGM, Sep. 2001, Reviewed, No invitation
Lead, Corresponding

Delayed onset of systemic bacterial dissemination and subsequent death in mice injected intramuscularly with Streptococcus pyogenes strains
M Saito; H Kajiwara; T Ishikawa; K Iida; M Endoh; T Hara; S Yoshida
MICROBIOLOGY AND IMMUNOLOGY, 2001, Reviewed, No invitation
Lead, Corresponding

Fate of Legionella pneumophila in macrophages of C57BL/6 chronic granulomatous disease mice
M Saito; H Kajiwara; H Miyamoto; S Yoshida
MICROBIOLOGY AND IMMUNOLOGY, 2001, Reviewed, No invitation
Lead, Corresponding

Clonal spread of an invasive strain of Haemophilus influenzae type b among nursery contacts accompanied by a high carriage rate of nondisease-associated strains
M Saito; K Okada; K Takemori; SI Yoshida
JOURNAL OF MEDICAL MICROBIOLOGY, Sep. 2000, Reviewed, No invitation
Lead, Corresponding

Restriction fragment length polymorphism analysis using random chromosomal gene probes for epidemiological analysis of Campylobacter jejuni infections
S Fujimoto; K Umene; M Saito; K Horikawa; MJ Blaser
JOURNAL OF CLINICAL MICROBIOLOGY, Apr. 2000, Reviewed, No invitation

Streptococcus intermedius-brain abscess in chronic granulomatous disease
T Nagatomo; S Ohga; M Saito; H Takada; Y Sasaki; K Okada; T Inamura; T Hara
EUROPEAN JOURNAL OF PEDIATRICS, Oct. 1999, Reviewed, No invitation

Subtyping of Haemophilus influenzae strains by pulsed-field gel electrophoresis
M Saito; A Umeda; S Yoshida
JOURNAL OF CLINICAL MICROBIOLOGY, Jul. 1999, Reviewed, No invitation
Lead, Corresponding

Surface characteristics of Gram-negative and Gram-positive bacteria in an atomic force microscope image
A Umeda; M Saito; K Amako
MICROBIOLOGY AND IMMUNOLOGY, 1998, Reviewed, No invitation

DISSEMINATED INTRAVASCULAR COAGULATION IN A PATIENT WITH HEMOPHILIA-B DURING FACTOR-IX REPLACEMENT THERAPY
S OHGA; M SAITO; A MATSUKAZI; T KAI; K UEDA
BRITISH JOURNAL OF HAEMATOLOGY, Jun. 1993, Reviewed, No invitation

レプトスピラ感染症の検査法の現状
齋藤光正、二階堂靖彦、松本正広、小川みどり、Sharon Y.A.M.Villanueva
JARMAN, Jan. 2017, Reviewed, Invited
Lead

新型コロナウィルス感染症　－その姿を知り、備える
齋藤　光正
作業環境, Sep. 2020, Not reviewed, No invitation
Lead

【血流感染症の抗菌薬選択-救命のためのターニングポイント】血流感染症治療における抗菌薬選択のターニングポイント　感性・耐性から考える　大腸菌・肺炎桿菌　ESBL産生菌
鈴木 克典, 齋藤 光正, 真弓 俊彦
感染と抗菌薬, Mar. 2019, Not reviewed, No invitation

レプトスピラ症の最近の話題
齋藤 光正
日本化学療法学会雑誌, Apr. 2021, Null, Null

溶連菌感染症：咽頭扁桃炎から劇症型レンサ球菌感染症まで
齋藤　光正
福岡県小児科医報, Nov. 2020, Not reviewed, No invitation
Lead

Corrigendum to Effects of the sampling time on the vaginal microbiota in healthy pregnant women: a prospective observational study' [AJOG Global Reports Volume 5, Issue 1, February 2025, 100460].
Mori Hiroshi, Shibata Eiji, Kondo Emi, Saito Mitsumasa, Yoshino Kiyoshi, Fukuda Kazumasa
AJOG global reports, May 2025, Reviewed, No invitation

In vitro characteristics of intravaginal Lactobacilli; why is L. iners detected in abnormal vaginal microbial flora?
Yoshimura Kazuaki, Ogawa Midori, Saito Mitsumasa
Archives of gynecology and obstetrics, Jun. 2020, Reviewed, No invitation
Last

Dynamics of microbiota during mechanical ventilation in aspiration pneumonia.
Otsuji Ken, Fukuda Kazumasa, Ogawa Midori, Fujino Yoshihisa, Kamochi Masayuki, Saito Mitsumasa
BMC pulmonary medicine, Dec. 2019, Reviewed, Null
Last

Coinfection With Multiple Nontuberculous Mycobacteria as a Possible Exacerbating Factor in Pulmonary Nontuberculous Mycobacteriosis: Clone Library Analysis Using the 16S Ribosomal RNA Gene.
Naito Keisuke, Noguchi Shingo, Yatera Kazuhiro, Kawanami Toshinori, Yamasaki Kei, Fukuda Kazumasa, Ikegami Hiroaki, Akata Kentaro, Kido Takashi, Sakamoto Noriho, Saito Mitsumasa, Mukae Hiroshi
Chest, Dec. 2020, Reviewed, Null

Bacterial identification by using photogate-type optical sensor.
Ishii H, Tanaka S, Ishida M, Sawada K, Machida K, Nikaido Y, Saito M, Yoshida S:
Ecs Transactions, Dec. 2019, Reviewed, Null

Limitations of Ribotyping as Genotyping Method for Corynebacterium ulcerans.
Sekizuka Tsuyoshi, Katsukawa Chihiro, Kuroda Makoto, Shibayama Keigo, Otsuji Ken, Saito Mitsumasa, Yamamoto Akihiko, Iwaki Masaaki
Emerging infectious diseases, Oct. 2020, Reviewed, Null

Mutation and Diversity of Diphtheria Toxin in Corynebacterium ulcerans.
Otsuji Ken, Fukuda Kazumasa, Ogawa Midori, Saito Mitsumasa
Emerging infectious diseases, Nov. 2019, Reviewed, Null
Last

Identification of bacterial pathogens in pediatric community-acquired lower respiratory tract infection using a simplified procedure of sputum sampling and examination: comparison between hospitalized children with and without underlying diseases.
◎Hoshina Takayuki, Kusuhara Koichi, Takimoto Tomohito, Saito Mitsumasa, Hara Toshiro
European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, May 2010, Null, Null

Disseminated Bacillus Calmette-Guérin lymphadenitis in a patient with gp91phox- chronic granulomatous disease 25 years after vaccination.
◎Kusuhara Koichi, Ohga Shouichi, Hoshina Takayuki, Saito Mitsumasa, Sasaki Yuka, Ishimura Masataka, Takada Hidetoshi, Fujita Masaki, Hara Toshiro
European journal of pediatrics, Jun. 2009, Reviewed, No invitation

Colony types and virulence traits of Legionella feeleii determined by exopolysaccharide materials.
Wang Changle, Saito Mitsumasa, Ogawa Midori, Yoshida Shin-Ichi
FEMS microbiology letters, May 2016, Reviewed, Null

Complete Genome Sequence and Characterization of Linezolid-Resistant Enterococcus faecalis Clinical Isolate KUB3006 Carrying a cfr(B)-Transposon on Its Chromosome and optrA-Plasmid.
Kuroda Makoto, Sekizuka Tsuyoshi, Matsui Hidehito, Suzuki Katsunori, Seki Hiroyuki, Saito Mitsumasa, Hanaki Hideaki
Frontiers in microbiology, Oct. 2018, Reviewed, Null

Helicobacter pylori results in lysis and death after exposure to water.
Inamasu Yoshinori, Ogawa Midori, Saito Mitsumasa, Harada Masaru, Fukuda Kazumasa
Helicobacter, Oct. 2022, Reviewed, No invitation

Sensing Legionella by photogate-type fluorescence sensor - Application to Legionella dumoffii -
Tanaka S, Choi YJ, Ishida M, Sawada K, Ishii H, Machida K, Nikaido Y, Saito M, Yoshida S
IEEJ Trans SM, Jan. 2020, Reviewed, Null

Measuring the effects of respiratory protective equipment and other protectors in preventing the scattering of vocalization droplets.
Higashi Hidenori, Oyabu Takako, Nagano Chikage, Kitamura Hiroko, Kawanami Shoko, Saito Mitsumasa, Horie Seichi
Industrial health, Dec. 2023, Reviewed, No invitation

Non-purulent myositis caused by direct invasion of skeletal muscle tissue by Leptospira in a hamster model.
Miyahara Satoshi, Mori Hiroshi, Fukuda Kazumasa, Ogawa Midori, Saito Mitsumasa
Infection and immunity, Feb. 2024, Reviewed, No invitation
Last

Transbronchial Invasion and Proliferation of Leptospira interrogans in Lung without Inflammatory Cell Infiltration in a Hamster Model.
Nikaido Yasuhiko, Ogawa Midori, Fukuda Kazumasa, Yokoyama Mitsuru, Kanemaru Takaaki, Nakayama Toshiyuki, Saito Mitsumasa
Infection and immunity, Dec. 2019, Reviewed, Null
Last

Detection system for Legionella bacteria using photogate-type optical sensor.
Yuto Honda, Ryosuke Ichikawa, Yong Joon Choi, Kensuke Murakami, Kazuhiro Takahashi, Toshihiko Noda, Kazuaki Sawada, Hiromu Ishii, Katsuyuki Machida, Hiroyuki Ito, Satoshi Miyahara, Yasuhiko Nikaido, Mitsumasa Saito
Japanese Journal of Applied Physics, Jun. 2022, Reviewed, Null

Cytomegalovirus-associated protein-losing enteropathy resulting from lymphangiectasia in an immunocompetent child.
◎Hoshina Takayuki, Kusuhara Koichi, Saito Mitsumasa, Hara Takuya, Mtsuura Shuji, Yano Takashi, Aoki Tomonobu, Hara Toshiro
Japanese journal of infectious diseases, May 2009, Null, Null

Literature review to integrate information to assist workers to select masks even at workplaces without occupational health personnel(和訳中)
Kitamura Hiroko, Kawanami Shoko, Saito Mitsumasa, Horie Seichi
Journal of Occupational Health, Dec. 2021, Null, Null

Molecular Approaches to Studying Microbial Communities: Targeting the 16S Ribosomal RNA Gene.
Fukuda Kazumasa, Ogawa Midori, Taniguchi Hatsumi, Saito Mitsumasa
Journal of UOEH, Sep. 2016, Reviewed, Null
Last

Increased copy number of 23S ribosomal RNA gene with point mutation in MRSA associated with linezolid resistance in a patient treated with long-term linezolid.
Suzuki Katsunori, Saito Mitsumasa, Hanaki Hideaki
Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy, May 2023, Null, Null

Memory B-Cell Pools Predict the Immune Response to Pneumococcal Conjugate Vaccine in Immunocompromised Children.
Hoshina Takayuki, Ohga Shouichi, Fujiyoshi Junko, Nanishi Etsuro, Takimoto Tomoko, Kanno Shunsuke, Nishio Hisanori, Saito Mitsumasa, Akeda Yukihiro, Oishi Kazunori, Hara Toshiro
The Journal of infectious diseases, Mar. 2016, Reviewed, No invitation

Molecular analysis of Streptococcus pyogenes strains isolated from patients with recurrent pharyngitis after oral amoxicillin treatment.
Saito Mitsumasa, Hirose Mizuo, Ichinose Hirofumi, Villanueva Sharon Y A M, Yoshida Shin-Ichi
Journal of medical microbiology, Nov. 2018, Reviewed, Null
Lead

Literature review to integrate information to assist workers to select masks even at workplaces without occupational health personnel.
Kitamura Hiroko, Kawanami Shoko, Saito Mitsumasa, Horie Seichi
Journal of occupational health, Dec. 2021, Reviewed, No invitation

A soluble form of Siglec-9 provides a resistance against Group B Streptococcus (GBS) infection in transgenic mice.
Saito Mitsumasa, Yamamoto Sayo, Ozaki Kinuyo, Tomioka Yukiko, Suyama Haruka, Morimatsu Masami, Nishijima Ken-Ichi, Yoshida Shin-Ichi, Ono Etsuro
Microbial pathogenesis, Oct. 2016, Reviewed, No invitation
Lead

The first report: An analysis of bacterial flora of the first voided urine specimens of patients with male urethritis using the 16S ribosomal RNA gene-based clone library method.
You Chunlin, Hamasuna Ryoichi, Ogawa Midori, Fukuda Kazumasa, Hachisuga Toru, Matsumoto Tetsuro, Taniguchi Hatsumi
Microbial pathogenesis, Jun. 2016, Reviewed, No invitation
Corresponding

Systemic cytokine response in moribund mice of streptococcal toxic shock syndrome model.
◎Saito Mitsumasa, Kajiwara Hideko, Iida Ken-ichiro, Hoshina Takayuki, Kusuhara Koichi, Hara Toshiro, Yoshida Shin-ichi
Microbial pathogenesis, Feb. 2011, Reviewed, No invitation
Lead

Fibrinolytic treatment using recombinant tissue-type plasminogen activator (rt-PA) for staphylococcal infective endocarditis.
Takigawa Tomoya, Miyahara Satoshi, Ishii Hiromu, Ogawa Midori, Fukuda Kazumasa, Nishimura Yosuke, Saito Mitsumasa
Microbial pathogenesis, Dec. 2024, Reviewed, Null
Last

Protective role of stratum corneum in percutaneous Leptospira infection in a hamster model.
Asoh T, Miyahara S, Villanueva SYAM, Kanemaru T, Takigawa T, Mori H, Gloriani NG, Yoshida SI, Saito M.
Microbial pathogenesis, Sep. 2023, Reviewed, No invitation
Last, Corresponding

Dissemination of Leptospira into the intestinal tract resulting in fecal excretion in a hamster model of subcutaneous infection with Leptospirainterrogans.
Inamasu Yoshinori, Nikaido Yasuhiko, Miyahara Satoshi, Maruoka Tsukasa, Takigawa Tomoya, Ogawa Midori, Nakayama Toshiyuki, Harada Masaru, Saito Mitsumasa
Microbial pathogenesis, Apr. 2022, Reviewed, Null
Last

Acquisition of genetic mutations in Group A Streptococci at infection site and subsequent systemic dissemination of the mutants with lethal mutations in a streptococcal toxic shock syndrome mouse model.
Otsuji Ken, Fukuda Kazumasa, Maruoka Tsukasa, Ogawa Midori, Saito Mitsumasa
Microbial pathogenesis, Jun. 2020, Reviewed, Null
Last

Molecular and phenotypic characterization of Leptospira johnsonii sp. nov., Leptospira ellinghausenii sp. nov. and Leptospira ryugenii sp. nov. isolated from soil and water in Japan.
Masuzawa Toshiyuki, Saito Mitsumasa, Nakao Ryo, Nikaido Yasuhiko, Matsumoto Masahiro, Ogawa Midori, Yokoyama Mitsuru, Hidaka Yusuke, Tomita Junko, Sakakibara Keiko, Suzuki Kazushi, Yasuda Shima, Sato Hiroki, Yamaguchi Masaya, Yoshida Shin-Ichi, Koizumi Nobuo, Kawamura Yoshiaki
Microbiology and immunology, Mar. 2019, Reviewed, No invitation

Characterization of Leptospira species isolated from soil collected in Japan.
Masuzawa Toshiyuki, Sakakibara Keiko, Saito Mitsumasa, Hidaka Yusuke, Villanueva Sharon Y A M, Yanagihara Yasutake, Yoshida Shin-Ichi
Microbiology and immunology, Jan. 2018, Reviewed, Null

Surveillance and phylogenetic analysis of a pathogenic bacterium candidate in nasal discharge from children.
Fukuda Kazumasa, Haro Kaoru, Yamasaki Kei, Ikegami Hiroaki, Saito Mitsumasa
Microbiology spectrum, Jul. 2024, Reviewed, Null
Last

Effective biofilm eradication in MRSA isolates with aminoglycoside-modifying enzyme genes using high-concentration and prolonged gentamicin treatment.
Ando Kohei, Miyahara Satoshi, Hanada Shuhei, Fukuda Kazumasa, Saito Mitsumasa, Sakai Akinori, Maruo Akihiro, Zenke Yukichi
Microbiology spectrum, Oct. 2024, Reviewed, Null

Leptospira Is an Environmental Bacterium That Grows in Waterlogged Soil.
Yanagihara Yasutake, Villanueva Sharon Y A M, Nomura Naoki, Ohno Marumi, Sekiya Toshiki, Handabile Chimuka, Shingai Masashi, Higashi Hideaki, Yoshida Shin-Ichi, Masuzawa Toshiyuki, Gloriani Nina G, Saito Mitsumasa, Kida Hiroshi
Microbiology spectrum, Apr. 2022, Reviewed, No invitation

Correlation between renal distribution of leptospires during the acute phase and chronic renal dysfunction in a hamster model of infection with Leptospira interrogans.
Maruoka Tsukasa, Nikaido Yasuhiko, Miyahara Satoshi, Katafuchi Eisuke, Inamasu Yoshinori, Ogawa Midori, Fukuda Kazumasa, Nakayama Toshiyuki, Horishita Takafumi, Saito Mitsumasa
PLoS neglected tropical diseases, Jun. 2021, Reviewed, No invitation
Last

A machine learning model of microscopic agglutination test for diagnosis of leptospirosis.
Oyamada Yuji, Ozuru Ryo, Masuzawa Toshiyuki, Miyahara Satoshi, Nikaido Yasuhiko, Obata Fumiko, Saito Mitsumasa, Villanueva Sharon Yvette Angelina M, Fujii Jun
PloS one, Nov. 2021, Reviewed, Null

Differences in the microbiota of oral rinse, lesion, and normal site samples from patients with mucosal abnormalities on the tongue.
Yawaka Shitozawa, Kaoru Haro, Midori Ogawa, Akihiko Miyawaki, Mitsumasa Saito, Kazumasa Fukuda
Scientific Reports, Oct. 2022, Reviewed, No invitation

Bacterial composition of nasal discharge in children based on highly accurate 16S rRNA gene sequencing analysis.
Haro Kaoru, Ogawa Midori, Saito Mitsumasa, Kusuhara Koichi, Fukuda Kazumasa
Scientific reports, Nov. 2020, Reviewed, No invitation

Clinical characteristics of patients with bacterial pleuritis in the presence of Streptococcus anginosus group and obligate anaerobes detected by clone library analysis.
Hata Ryosuke, Kawanami Toshinori, Noguchi Shingo, Fukuda Kazumasa, Akata Kentaro, Yamasaki Kei, Saito Mitsumasa, Yatera Kazuhiro, Mukae Hiroshi
The clinical respiratory journal, Mar. 2020, Reviewed, Null

The first fatal case of Corynebacterium ulcerans infection in Japan.
Otsuji Ken, Fukuda Kazumasa, Endo Takeru, Shimizu Satoko, Harayama Nobuya, Ogawa Midori, Yamamoto Akihiko, Umeda Kaoru, Umata Toshiyuki, Seki Hiroyuki, Iwaki Masaaki, Kamochi Masayuki, Saito Mitsumasa
JMM case reports, Aug. 2017, Reviewed, Null
Last

A Case of Infectious Enterocolitis with Hyperammonemia.
Otsuji Ken, Simizu Satoko, Endo Takeru, Kanazawa Ayako, Arai Hideaki, Nagata Keiji, Harayama Nobuya, Nihei Shunichi, Aibara Keiji, Saito Mitsumasa, Kamochi Masayuki
Journal of UOEH, Aug. 2017, Null, Null
Corresponding

Non-exponential growth of Mycobacterium leprae Thai-53 strain cultured in vitro.
Amako Kazunobu, Iida Ken-Ichiro, Saito Mitsumasa, Ogura Yoshitoshi, Hayashi Tetsuya, Yoshida Shin-Ichi
Microbiology and immunology, Dec. 2016, Reviewed, Null

Adipose tissue is the first colonization site of Leptospira interrogans in subcutaneously infected hamsters.
Ozuru Ryo, Saito Mitsumasa, Kanemaru Takaaki, Miyahara Satoshi, Villanueva Sharon Y A M, Murray Gerald L, Adler Ben, Fujii Jun, Yoshida Shin-Ichi
PloS one, 2017, Null, Null

戸田新細菌学 改訂35版
柳, 雄介; 林, 哲也; 山崎, 晶, Contributor, 細菌の生理と生化学、へモフィラスとパスツレラ、スピロヘータ、動物実験法
南山堂, May 2025
9784525161156

日常診療に役立つ小児感染症マニュアル2023
齋藤光正, Contributor, ジフテリア菌
東京医学社, Dec. 2023
9784885637438

イラストでわかる微生物学超入門 : 病原微生物の感染のしくみ 改訂3版
齋藤光正, Single work
南山堂, Mar. 2023
9784525163433

内科学 第12版
矢崎義雄,小室一成 総編集; 齋藤光正, Contributor, レプトスピラ症
朝倉書店, Mar. 2022
9784254322804

系統看護学講座 専門基礎分野 疾病のなりたちと回復の促進４ 微生物学 改訂14版
齋藤光正, Contributor
医学書院, Jan. 2022
9784260047029

産業保健マニュアル 改訂８版
森 晃爾; 齋藤光正, Joint editor, 14章 生物的健康障害要因とその対策
南山堂, Jun. 2021
9784525184582

イラストでわかる微生物学超入門 病原微生物の感染のしくみ 改訂２版
齋藤 光正
南山堂, Mar. 2021
9784525163426

小児疾患診療のための病態生理１ 改訂第６版
齋藤光正, Contributor, レプトスピラ症
東京医学社, Nov. 2020

イラストでわかる微生物学超入門 病原微生物の感染のしくみ （初版）
齋藤 光正, Single work
南山堂, 2018, Not reviewed

系統看護学講座 専門基礎分野 疾病のなりたちと回復の促進４ 微生物学 改訂13版
齋藤 光正, Contributor
医学書院, Jan. 2018, Not reviewed

日常診療に役立つ小児感染症マニュアル 2017
齋藤 光正, Contributor, ジフテリア菌
東京医学社, 2017, Not reviewed

小児疾患診療のための病態整理１ 第５版
齋藤 光正, Contributor, レプトスピラ感染症
東京医学社, 2014, Not reviewed

戸田新細菌学 改訂34版
齋藤 光正, Contributor, 細菌の生理・生化学 / ヘモフィラスとパスツレラ
南山堂, 2013, Not reviewed

CLAPによる骨軟部感染抑制の実際/ ゲンタマイシンの作用機序と薬剤耐性機構
齋藤光正, 宮原敏, 安藤恒平, 善家雄吉, Joint work
全日本病院出版会, Aug. 2022

齋藤　光正, Single work
南山堂, Jan. 2018
978-4525163419

齋藤　光正, Single work
南山堂, Mar. 2021
9784525163426

齋藤 光正, Single work
南山堂, 2023
978-4-525-16343-3

レプトスピラ症
齋藤光正, Single work
朝倉書店, 2022

レプトスピラ感染症
齋藤　光正, Contributor
東京医学者, Dec. 2020

ジフテリア菌
齋藤　光正, Contributor, ジフテリア菌
東京医学社, Oct. 2017
978-4-88563-288-4

齋藤 光正, Joint work, ジフテリア菌
東京医学社, Dec. 2023
978-4-88563-743-8

生物的健康障害要因とその対策
齋藤光正, Editor
南山堂, Jun. 2021
9784525184582

リウマチ　関節が壊れる前に早期の投薬治療がお勧め、_x000D_ インフル休みは常識に（P102-105）
田中良哉、齋藤光正, Contributor
西日本新聞社, Apr. 2019

齋藤　光正, Joint work
医学書院, Jan. 2018
978-4-260-03183-7

レプトスピラ感染症（Weil病）
齋藤光正, 丸岡司, 二階堂靖彦, 宮原敏, Joint work
日本臨牀社, Aug. 2022