KAWAHARA Ryuji 河原隆二

Researcher Number	10332454
Other IDs
Affiliation (Current)	2025: 地方独立行政法人大阪健康安全基盤研究所, 微生物部, 主幹研究員
Affiliation (based on the past Project Information) *help	2020 – 2024: 地方独立行政法人大阪健康安全基盤研究所, 微生物部, 主幹研究員 2017 – 2020: 地方独立行政法人大阪健康安全基盤研究所, 微生物部, 主任研究員 2016: 大阪府立公衆衛生研究所, 感染症部, 主任研究員 2013 – 2015: 大阪府立公衆衛生研究所, その他部局等, 主任研究員 2013 – 2015: 大阪府立公衆衛生研究所, その他部局等, 研究員 … More 2010 – 2012: 大阪府立公衆衛生研究所, 感染症部, 主任研究員 2008: Osaka Prefectural Institute of Public Health, 感染症部, 主任研究員 2008: Osaka Prefectural Institute of Public Health, 感染症部・細菌課, 主任研究員 2007: Osaka Prefectural Institute of Public Health, 感染症部, 研究員 Less
Review Section/Research Field	Principal Investigator Public health/Health science / Basic Section 58020:Hygiene and public health-related: including laboratory approach / Hygiene and public health Except Principal Investigator Medium-sized Section 58:Society medicine, nursing, and related fields / Basic Section 58020:Hygiene and public health-related: including laboratory approach / Laboratory medicine / Public health/Health science
Keywords	Principal Investigator 薬剤耐性 / 分子疫学 / ワクチン / 肺炎球菌 / NGS解析 / カルバペネム耐性腸内細菌科細菌 / カルバペネマーゼ / 薬剤耐性プラスミド / IMP-6 / ゲノム解析 … More / プラスミド / CRE / カルバペネム耐性腸内細菌 / 薬剤耐性菌 / 病原因子 / IPD / 遺伝子型 / 侵襲性肺炎球菌感染症 / 侵襲性感染症 / 保菌 / 母子保健 / 髄膜炎 / B群溶血性レンサ球菌 / 細菌感染症 / 母子健康 … More Except Principal Investigator 住民 / 食品 / 機序 / コリスチン耐性菌 / 途上国 / ゲノム解析 / ベトナム / コリスチン / 薬剤耐性 / コリスチン耐性 / コミュニテイ / 薬剤耐性菌 / 蔓延 / 安定化 / 途上国コミュニテイ / 遺伝子 / コミュニティ / ゲノム / 分子疫学 / 肺炎球菌 / 多株比較解析 / 侵襲性肺炎球菌感染症 / ゲノム分子疫学 / 細菌 / 伝達性耐性遺伝子 / 培養不能 / L.pneumophila / 浴槽水 / 環境水 / アメーバ / SBT / LLAP / VBNC / 培養不能菌 / co-culture / アメーバ共培養法 / アカントアメーバ / レジオネラ Less

Elucidation of the AMR stabilization mechanisms in developping countries
- Principal Investigator
  
  山本容正
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 58:Society medicine, nursing, and related fields
- Research Institution
  Gifu University
Dissemination mechanisms of colistin-resistant bacteria in communities of developping countries
- Principal Investigator
  
  Yamamoto Yoshimasa
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 58:Society medicine, nursing, and related fields
- Research Institution
  Gifu University
侵襲性肺炎球菌感染症のゲノムワイドな比較解析に基づく流行動態と病原性に関する研究
- Principal Investigator
  
  野本竜平
- Project Period (FY)
  2019 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 58020:Hygiene and public health-related: including laboratory approach
- Research Institution
  Kobe Institute of Health
Have the drug-resistant bacteria that caused the large-scale nosocomial outbreak brought epidemic spread in the region?Principal Investigator
- Principal Investigator
  
  Kawahara Ryuji
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 58020:Hygiene and public health-related: including laboratory approach
- Research Institution
  Osaka Institute of Public Health
Molecular epidemiology study of the colistin-resistant bacteria dissemination in Vietnam
- Principal Investigator
  
  Yamamoto Yoshimasa
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Laboratory medicine
- Research Institution
  Gifu University
  Osaka University
Dynamics of Pneumococcal carriage and emergence of high virulence clone after introduction of vaccine in JapanPrincipal Investigator
- Principal Investigator
  
  Kawahara Ryuji
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Hygiene and public health
- Research Institution
  Osaka Prefectural Institute of Public Health
Analysis of relationship between genotypes and inhabit environment of Legionella spp. detected by amoebic co-culture method
- Principal Investigator
  
  EDAGAWA AKIKO
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Public health/Health science
- Research Institution
  Osaka Prefectural Institute of Public Health
Evaluating the occurrence of new virulent pneumococcal clones after the introduction of PCV-7 in JapanPrincipal Investigator
- Principal Investigator
  
  KAWAHARA Ryuji
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Public health/Health science
- Research Institution
  Osaka Prefectural Institute of Public Health
Determination of the prevalence of drug resistant Group B Streptococci isolates from hospitals and meat.Principal Investigator
- Principal Investigator
  
  KAWAHARA Ryuji
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Public health/Health science
- Research Institution
  Osaka Prefectural Institute of Public Health

All 2023 2022 2021 2020 2019 2018 2016 2015 2014 2013 2012 2011 2010 2008

All Journal Article Presentation

[Journal Article] Comparative genome analysis of colistin-resistant Escherichia coli harboring mcr isolated from rural community residents in Ecuador and Vietnam2023
- Author(s)
  Thanh Hoang Hoa Thi、Yamamoto Mayumi、Calvopina Manuel、Bastidas-Caldes Carlos、Khong Diep Thi、Nguyen Thang Nam、Kawahara Ryuji、Yamaguchi Takahiro、Yamamoto Yoshimasa
- Journal Title
  
  PLOS ONE
  
  Volume: 18 Issue: 11 Pages: e0293940-e0293940
- DOI
  10.1371/journal.pone.0293940
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00561, KAKENHI-PROJECT-23H00446
[Journal Article] Fusion plasmid carrying the colistin resistance gene mcr of Escherichia coli isolated from healthy residents2022
- Author(s)
  Hoang Hoa Thi Thanh、Higashi Ayano、Yamaguchi Takahiro、Kawahara Ryuji、Calvopina Manuel、Bastidas-Cald?s Andres、Yamamoto Mayumi、Yamamoto Yoshimasa
- Journal Title
  
  Journal of Global Antimicrobial Resistance
  
  Volume: 30 Pages: 152-154
- DOI
  10.1016/j.jgar.2022.06.007
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00561
[Journal Article] Horizontal transfer of a plasmid possessing mcr-1 marked with a single nucleotide mutation between Escherichia coli isolates from community residents2022
- Author(s)
  Yamamoto Yoshimasa、Higashi Ayano、Ikawa Kanoko、Hoang Hoa Thi Thanh、Yamaguchi Takahiro、Kawahara Ryuji、Noguchi Hideki、Nguyen Thang Nam、Khong Diep Thi、Tran Hoa Thi
- Journal Title
  
  BMC Research Notes
  
  Volume: 15 Issue: 1 Pages: 196-196
- DOI
  10.1186/s13104-022-06079-z
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00561
[Journal Article] Comparative Genome Analysis of Livestock and Human Colistin-Resistant Escherichia coli Isolates from the Same Household2021
- Author(s)
  Ryuji Kawahara, Takahiro Yamaguchi Yoshimasa Yamamoto
- Journal Title
  
  Infect Drug Resist
  
  Volume: 14 Pages: 841-847
- DOI
  10.2147/idr.s298120
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00561
[Journal Article] Quantitative Analysis of Colistin-Resistant Escherichia coli in Retail Meat from Local Vietnamese Markets2021
- Author(s)
  Nguyen Thang N.、Khong Diep T.、Le Ha V.、Tran Hoa T.、Phan Quang N.、Le Huong T. T.、Kawahara Ryuji、Yamamoto Yoshimasa
- Journal Title
  
  BioMed Research International
  
  Volume: 2021 Issue: 1 Pages: 1-6
- DOI
  10.1155/2021/6678901
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00561
[Journal Article] Subtype screening of blaIMP genes using bipartite primers for DNA sequencing 2021
- Author(s)
 Kawahara Ryuji、Watahiki Masanori、Matsumoto Yuko、Uchida Kaoru、Noda Makiko、Masuda Kanako、Fukuda Chiemi、Abe Yuki、Asano Yukiko、Oishi Kazunori、Shibayama Keigo、Shinomiya Hiroto
- Journal Title
 
 Jpn J Infect Dis
 
 Volume: advpub Issue: 0 Pages: 592-599
- DOI
 10.7883/yoken.JJID.2020.926
- NAID
 130008119527
- ISSN
 1344-6304, 1884-2836
- Year and Date
 2021-03-31
- Language
 English
- Peer Reviewed / Open Access
- Data Source
 KAKENHI-PROJECT-18K10040
[Journal Article] Characterization of FRI carbapenemase-producing Enterobacter spp. isolated from a hospital and the environment in Osaka, Japan2021
- Author(s)
 Adachi Fumie、Sekizuka Tsuyoshi、Yamato Masaya、Fukuoka Kyoko、Yamaguchi Nobuyasu、Kuroda Makoto、Kawahara Ryuji
- Journal Title
 
 Journal of Antimicrobial Chemotherapy
 
 Volume: 76 Issue: 11 Pages: 3061-3062
- DOI
 10.1093/jac/dkab284
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-18K10040
[Journal Article] High Prevalence of Colistin-Resistant Escherichia coli with Chromosomally Carried mcr-1 in Healthy Residents in Vietnam2020
- Author(s)
  Yamaguchi Takahiro、Kawahara Ryuji、Hamamoto Kouta、Hirai Itaru、Khong Diep Thi、Nguyen Thang Nam、Tran Hoa Thi、Motooka Daisuke、Nakamura Shota、Yamamoto Yoshimasa
- Journal Title
  
  mSphere
  
  Volume: 5 Issue: 2
- DOI
  10.1128/msphere.00117-20
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04663, KAKENHI-PROJECT-17J08848, KAKENHI-PROJECT-17H01687
[Journal Article] Quantification and long-term carriage study of human extended-spectrum/AmpC β-lactamase-producing Escherichia coli after international travel to Vietnam2020
- Author(s)
  Tatsuya Nakayamaa, Yuko Kumedac, Ryuji Kawaharad, Yoshimasa Yamamoto
- Journal Title
  
  Journal of Global Antimicrobial Resistance
  
  Volume: 21 Pages: 229-234
- DOI
  10.1016/j.jgar.2019.11.001
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0168, KAKENHI-PROJECT-17H01687
[Journal Article] Single-Tube Multiplex Polymerase Chain Reaction for the Detection of Genes Encoding Enterobacteriaceae Carbapenemase2020
- Author(s)
  Watahiki Masanori、Kawahara Ryuji、Suzuki Masahiro、Aoki Miyako、Uchida Kaoru、Matsumoto Yuko、Kumagai Yuko、Noda Makiko、Masuda Kanako、Fukuda Chiemi、Harada Seiya、Senba Keiko、Suzuki Masato、Matsui Mari、Suzuki Satowa、Shibayama Keigo、Shinomiya Hiroto
- Journal Title
  
  Jpn J Infect Dis
  
  Volume: 73 Issue: 2 Pages: 166-172
- DOI
  10.7883/yoken.JJID.2019.041
- NAID
  130007814973
- ISSN
  1344-6304, 1884-2836
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K10040, KAKENHI-PROJECT-17K08846
[Journal Article] Molecular characterization of blaKHM-1 encoding plasmid in an Enterobacter hormaechei subsp. hoffmannii isolate from blood culture2020
- Author(s)
  Umeda Kaoru、Nakamura Hiromi、Fukuda Akira、Yamaguchi Takahiro、Matsumoto Yuki、Motooka Daisuke、Nakamura Shota、Kawahara Ryuji
- Journal Title
  
  PLOS ONE
  
  Volume: 15 Issue: 1 Pages: e0227605-e0227605
- DOI
  10.1371/journal.pone.0227605
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K10040, KAKENHI-PROJECT-20K20616
[Journal Article] Whole-genome sequencing and comparative analysis of the genomes of Bacteroides thetaiotaomicron and Escherichia coli isolated from a healthy resident in Vietnam2020
- Author(s)
  Mohsin Mashkoor、Tanaka Kaori、Kawahara Ryuji、Kondo Shinji、Noguchi Hideki、Motooka Daisuke、Nakamura Shota、Khong Diep Thi、Nguyen Thang Nam、Hoang Trong Nang、Yamamoto Yoshimasa
- Journal Title
  
  Journal of Global Antimicrobial Resistance
  
  Volume: 21 Pages: 65-67
- DOI
  10.1016/j.jgar.2020.02.034
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20616, KAKENHI-PROJECT-17H01687
[Journal Article] Most Domestic Livestock Possess Colistin-Resistant Commensal Escherichia coli Harboring mcr in a Rural Community in Vietnam2019
- Author(s)
  Kawahara Ryuji、Fujiya Yoshihiro、Yamaguchi Takahiro、Khong Diep Thi、Nguyen Thang Nam、Tran Hoa Thi、Yamamoto Yoshimasa
- Journal Title
  
  Antimicrobial Agents and Chemotherapy
  
  Volume: 63 Issue: 6 Pages: 1-2
- DOI
  10.1128/aac.00594-19
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01687
[Journal Article] Colistin-resistant Escherichia coli with mcr genes in the livestock of rural small-scale farms in Ecuador2019
- Author(s)
  Yamamoto, Y., Calvopina, M., Izurieta, R., Villacres, I., Kawahara, R., Sasaki, M., Yamamoto, M.
- Journal Title
  
  BMC Res Notes
  
  Volume: 12 Issue: 1 Pages: 121-121
- DOI
  10.1186/s13104-019-4144-0
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01687
[Journal Article] Prevalence Of mcr-1 Among Cefotaxime-Resistant Commensal Escherichia coli In Residents Of Vietnam2019
- Author(s)
 Kawahara Ryuji、Khong Diep Thi、Le Ha Viet、Phan Quang Ngoc、Nguyen Thang Nam、Yamaguchi Takahiro、Kumeda Yuko、Yamamoto Yoshimasa
- Journal Title
 
 Infection and Drug Resistance
 
 Volume: Volume 12 Pages: 3317-3325
- DOI
 10.2147/idr.s224545
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
 KAKENHI-PROJECT-17H01687
[Journal Article] Wide dissemination of colistin-resistant Escherichia coli with the mobile resistance gene mcr in healthy residents in Vietnam2019
- Author(s)
  Yamamoto, Y.,Kawahara, R., Fujiya, Y., Sasaki, T., Hirai, I., Khong, D. T., Nguyen, T. N., Nguyen, B. X.
- Journal Title
  
  J Antimicrob Chemother
  
  Volume: 74 Issue: 2 Pages: 523-524
- DOI
  10.1093/jac/dky435
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01687, KAKENHI-PROJECT-17H04663
[Journal Article] Carriage of colistin-resistant, extended-spectrum beta-lactamase-producing Escherichia coli harboring the mcr-1 resistance gene after short-term international travel to Vietnam2018
- Author(s)
  Nakayama, T., Kumeda, Y., Kawahara, R., Yamaguchi, T.,Yamamoto, Y.
- Journal Title
  
  Infect Drug Resist
  
  Volume: 11 Pages: 391-395
- DOI
  10.2147/idr.s153178
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H01687
[Journal Article] The Presence of Colistin resistance gene mcr-1 and -3 in ESBL producing Escherichia coli isolated from food in Ho Chi Minh City, Vietnam2018
- Author(s)
  Yamaguchi T., Kawahara R., Harada K., Teruya S., Nakayama T., Motooka D., Nakamura S., Nguyen D P., Kumeda Y.,Dang V C.,Hirata K.,Yamamoto Y.
- Journal Title
  
  FEMS Microbiology Letters
  
  Volume: 印刷中 Issue: 11 Pages: 1-8
- DOI
  10.1093/femsle/fny100
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K19255, KAKENHI-PROJECT-17H01687
[Journal Article] 2013年度の侵襲性肺炎球菌感染症の患者発生動向と成人患者由来の原因菌の血清型分布2014
- Author(s)
  河原隆二, 青柳哲史, 高橋弘毅, 武田博明, 田邊嘉也, 笠原敬, 西順一郎, 藤田次郎, 丸山貴也, 山崎一美, 横山彰仁, 渡邊浩, 牧野友彦, 高橋琢理, 大日康史, 松井珠乃, 砂川富正, 石岡大成, 奥野英雄, 佐藤弘, 新井智, 木村博一, 多屋馨子, 大石和徳, 常彬, 大西真, 金城雄樹
- Journal Title
  
  病原微生物検出情報
  
  Volume: 35 Pages: 179-181
- Open Access
- Data Source
  KAKENHI-PROJECT-25460835
[Journal Article] 上咽頭培養で分離されるインフルエンザ菌および肺炎球菌の保菌状況の保育園入園1年間での変化―ワクチン接種との関連性―2013
- Author(s)
  武内一, 河原隆二, 田中充, 嶋田聡, 中川元, 高雄礼
- Journal Title
  
  外来小児科
  
  Volume: 16 Pages: 140-147
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25460835
[Journal Article] 保育園入園1年間での上咽頭培養で分離されるインフルエンザ菌および肺炎球菌の保菌状況の変化2012
- Author(s)
  武内一, 河原隆二, 田中充, 嶋田聡, 中川元, 鈴木礼
- Journal Title
  
  外来小児科
  
  Volume: 15(4) Pages: 525-526
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22790589
[Journal Article] Development of a loop-mediated isothermal amplification assay for sensitive and rapid detection of Vibrio parahaemolyticus2008
- Author(s)
  W Yamazaki, M Ishibashi, R Kawahara, K Inoue
- Journal Title
  
  BMC Microbiol 8
  
  Pages: 163-169
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19790441
[Journal Article] Genetic features of clinical isolates of Streptococcus dysgalactiae subsp. Equisimilisp ossessing Lancefield's group A antigen2008
- Author(s)
  D Tanaka, R Kawahara, (13名、6番目)
- Journal Title
  
  J. Clin. Microbiol. 46
  
  Pages: 1526-1529
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19790441
[Presentation] 大阪府で分離されたPVL陽性MRSAの分子疫学的解析2021
- Author(s)
  安楽正輝、河原隆二、山口貴弘、若林友騎、川津健太郎
- Organizer
  第50回薬剤耐性菌研究会
- Data Source
  KAKENHI-PROJECT-18K10040
[Presentation] CHROMagar COL-APSEを用いた食肉からのコリスチン耐性菌の分離について2021
- Author(s)
  山口貴弘, 河原隆二, 中村昇太, 元岡大祐, 山本容正, 川津健太郎
- Organizer
  第32回日本臨床微生物学会総会・学術集会
- Data Source
  KAKENHI-PROJECT-18K10040
[Presentation] 国産食肉からの薬剤耐性菌の分離状況とゲノム解析について2021
- Author(s)
  山口貴弘、河原隆二、原田哲也、若林友騎、中村昇太、元岡大祐、松本悠希、中山達哉、山本容正、川津健太郎
- Organizer
  第50回薬剤耐性菌研究会
- Data Source
  KAKENHI-PROJECT-18K10040
[Presentation] 便のスクリーニング検査で検出されたIMI-1産生Enterobacter bugandensisの分子遺伝学的解析2020
- Author(s)
  藤谷好弘, 明田幸宏, 西功, 河原隆二, 朝野和典
- Organizer
  第31 回日本臨床微生物学会総会・学術集会
- Data Source
  KAKENHI-PROJECT-18K10040
[Presentation] 地方衛生研究所における薬剤耐性菌検査・研究とその結果から見えるもの2020
- Author(s)
  河原隆二
- Organizer
  第63回日本感染症学会中日本地方会学術集会
- Invited
- Data Source
  KAKENHI-PROJECT-18K10040
[Presentation] カルバペネマーゼ遺伝子スクリーニング用マルチプレックスPCR法の開発とin silico評価2020
- Author(s)
  河原隆二、綿引正則、内田薫，松本裕子，高橋志保，野田万希子，増田加奈子，福田千恵美，原田誠也，浅野由紀子，鈴木仁人，松井真理，鈴木里和，菅井基行，四宮博人
- Organizer
  第31 回日本臨床微生物学会総会・学術集会
- Data Source
  KAKENHI-PROJECT-18K10040
[Presentation] ベトナムにおける料理を汚染している基質特異性拡張型ベータラクタマーゼ産生菌及びヒト腸内細菌叢への影響に関する研究2020
- Author(s)
  中山達哉、久米田裕子、河原隆二、山本容正
- Organizer
  日本食品衛生学会
- Data Source
  KAKENHI-PROJECT-17H01687
[Presentation] 大阪府内で分離されたFRI型カルバペネマーゼ産生Enterobacter属菌のゲノム解析2020
- Author(s)
  安達史恵、関塚剛史、山口進康、倭正也、福岡京子、黒田誠、河原隆二
- Organizer
  第31 回日本臨床微生物学会総会・学術集会
- Data Source
  KAKENHI-PROJECT-18K10040
[Presentation] 大阪府内で分離されたmCIM陽性Enterobacter cloacae complex 株の解析2020
- Author(s)
  河原隆二, 山口貴弘, 安達史恵, 安楽正輝, 川津健太郎
- Organizer
  第49回薬剤耐性菌研究会
- Data Source
  KAKENHI-PROJECT-18K10040
[Presentation] 地方衛生研究所で行ってきた薬剤耐性菌に関する研究～行政的取り組み2019
- Author(s)
  河原隆二
- Organizer
  第48回薬剤耐性菌研究会
- Invited
- Data Source
  KAKENHI-PROJECT-18K10040
[Presentation] Extremely High Prevalence of Colistin-Resistant Escherichia coli with mcr in Healthy Residents in Vietnam2018
- Author(s)
  Y. Yamamoto, R. Kawahara, Y. Fujiya, T. Sasaki, I. Hirai, D. T. Khong, T. N. Nguyen
- Organizer
  ASM Microb 2018
- Data Source
  KAKENHI-PROJECT-17H01687
[Presentation] 大阪における健康保育園児の保菌由来肺炎球菌と侵襲性感染症由来肺炎球菌との関連性について2016
- Author(s)
  河原隆二, 森裕一, 井澤恭子, 浜端朋子, 勝川千尋, 武内一
- Organizer
  第89回日本細菌学会総会
- Place of Presentation
  大阪市
- Year and Date
  2016-03-23
- Data Source
  KAKENHI-PROJECT-25460835
[Presentation] 保育園0歳児の入園後1年間におけるHib及び肺炎球菌保菌に関する前方視調査2015
- Author(s)
  武内一, 河原隆二, 森裕一
- Organizer
  第25回日本外来小児科学会年次集会
- Place of Presentation
  仙台市
- Year and Date
  2015-08-21
- Data Source
  KAKENHI-PROJECT-25460835
[Presentation] 大阪府における侵襲性肺炎球菌感染症の調査について2014
- Author(s)
  河原隆二, 勝川千尋, 松井陽子, 福村和美, 大平文人, 久米田裕子
- Organizer
  衛生微生物技術協議会総会
- Place of Presentation
  東京
- Year and Date
  2014-06-26
- Data Source
  KAKENHI-PROJECT-25460835
[Presentation] 2007～2010年に分離された侵襲性肺炎球菌の薬剤耐性動向と分子疫学2011
- Author(s)
  河原隆二
- Organizer
  日本感染症学会総会
- Place of Presentation
  東京
- Year and Date
  2011-04-21
- Data Source
  KAKENHI-PROJECT-22790589
[Presentation] 2007～2010年に分離された侵襲性肺炎球菌の薬剤耐性動向と分子疫学2011
- Author(s)
  河原隆二
- Organizer
  日本感染症学会総会
- Place of Presentation
  ザ・プリンスパークタワー東京
- Year and Date
  2011-04-21
- Data Source
  KAKENHI-PROJECT-22790589
[Presentation] A prospective study of community-acquired bacteremia in Japan2010
- Author(s)
  H. Takeuchi, R. Kawahara, 他
- Organizer
  28th Annual Meeting of The European Society for Paediatric Infectious Diseases
- Place of Presentation
  France
- Year and Date
  2010-05-07
- Data Source
  KAKENHI-PROJECT-22790589
[Presentation] A prospective study of community-acquired bacteremia in Japan2010
- Author(s)
  H.Takeuchi, R.Kawahara, 他
- Organizer
  28th Annual Meeting of The European Society for Paediatric Infectious Diseases, France, 2010
- Place of Presentation
  France
- Year and Date
  2010-05-06
- Data Source
  KAKENHI-PROJECT-22790589

1. Yamamoto Yoshimasa (20010100)

# of Collaborated Projects: 3 results

# of Collaborated Products: 12 results
2. 田中香お里 (20242729)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
3. 山本眞由美 (40313879)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
4. 山口貴弘 (80553635)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
5. EDAGAWA AKIKO (80321941)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. TAKEUCHI Hajime (30552806)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
7. 木村明生 (00250283)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 宮本比呂志 (40229894)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 中村寛海 (00332445)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
10. 朝野和典 (40202204)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 中村昇太 (90432434)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
12. 野本竜平 (60642238)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 中西典子 (50615490)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 林将大 (20646385)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. NAKAYAMA Tatsuya

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
16. 平井到

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
17. 大谷詩織

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

KAWAHARA Ryuji 河原 隆二

Research Projects

Research Products

Co-Researchers

Elucidation of the AMR stabilization mechanisms in developping countries

Principal Investigator

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Dissemination mechanisms of colistin-resistant bacteria in communities of developping countries

Principal Investigator

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侵襲性肺炎球菌感染症のゲノムワイドな比較解析に基づく流行動態と病原性に関する研究

Principal Investigator

Project Period (FY)

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Review Section

Research Institution

Have the drug-resistant bacteria that caused the large-scale nosocomial outbreak brought epidemic spread in the region?Principal Investigator

Principal Investigator

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Review Section

Research Institution

Molecular epidemiology study of the colistin-resistant bacteria dissemination in Vietnam

Principal Investigator

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Research Institution

Dynamics of Pneumococcal carriage and emergence of high virulence clone after introduction of vaccine in JapanPrincipal Investigator

Principal Investigator

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Research Institution

Analysis of relationship between genotypes and inhabit environment of Legionella spp. detected by amoebic co-culture method

Principal Investigator

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Research Institution

Evaluating the occurrence of new virulent pneumococcal clones after the introduction of PCV-7 in JapanPrincipal Investigator

Principal Investigator

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Determination of the prevalence of drug resistant Group B Streptococci isolates from hospitals and meat.Principal Investigator

Principal Investigator

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[Journal Article] Comparative genome analysis of colistin-resistant Escherichia coli harboring mcr isolated from rural community residents in Ecuador and Vietnam2023

Author(s)

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Data Source

[Journal Article] Fusion plasmid carrying the colistin resistance gene mcr of Escherichia coli isolated from healthy residents2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Horizontal transfer of a plasmid possessing mcr-1 marked with a single nucleotide mutation between Escherichia coli isolates from community residents2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Comparative Genome Analysis of Livestock and Human Colistin-Resistant Escherichia coli Isolates from the Same Household2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Quantitative Analysis of Colistin-Resistant Escherichia coli in Retail Meat from Local Vietnamese Markets2021

Author(s)

KAWAHARA Ryuji 河原隆二