2013 - 2016 Investigation of the prevalence of macrolide-resistant mycoplasmal diseases, the susceptibility for antibiotics and the clinical features associated with the resistant bacteria infection.
1999 - 2001 Development of pyrazinamide susceptilbility testing method for Mycobacterium tuberculosis by using gene analysis technique
1996 - 1998 Detection of gene mutations in kanamycin-resistant Mycobacterium tuberculosis and development of the method for rapid diagnosis
1993 - 1995 Cloning and nucleotide sequence of the drug resistant genes and its application to rapid identification.
1991 - 1994 大気汚染疫学と動物曝露実験の整合性に関する研究
1992 - 1993 PCR産物直接塩基配列決定による結核の疫学的研究
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Papers (38):
Kentaro Koide, Takahiro Yamaguchi, Chihiro Katsukawa, Nao Otsuka, Tsuyoshi Kenri, Kazunari Kamachi, Julie C. Dunning Hotopp. Complete Genome Sequence of a Macrolide-Resistant Bordetella pertussis Isolated in Japan. Microbiology Resource Announcements. 2022. 11. 10. e0071822
Tsuyoshi Sekizuka, Chihiro Katsukawa, Makoto Kuroda, Keigo Shibayama, Ken Otsuji, Mitsumasa Saito, Akihiko Yamamoto, Masaaki Iwaki. Limitations of Ribotyping as Genotyping Method for Corynebacterium ulcerans. Emerging infectious diseases. 2020. 26. 10. 2457-2459
Chihiro Katsukawa, Tsuyoshi Kenri, Keigo Shibayama, Kazuo Takahashi. 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 strains. PloS one. 2019. 14. 1. e0209938