Predominance of PCR-ribotypes, 018 (smz) and 369 (trf) of Clostridium difficile in Japan: a potential relationship with other global circulating strains?

被引：51

作者：

Senoh, Mitsutoshi ^{[1
]}

Kato, Haru ^{[1
]}

Fukuda, Tadashi ^{[1
]}

Niikawa, Akiko ^{[2
]}

Hori, Yoshiko ^{[3
]}

Hagiya, Hideharu ^{[4
]}

Ito, Yoichiro ^{[5
]}

Miki, Hiroshi ^{[6
]}

Abe, Yoshifumi ^{[6
]}

Furuta, Kiyoshi ^{[7
]}

Takeuchi, Hideki ^{[7
]}

Tajima, Hirokazu ^{[8
]}

Tominaga, Harumi ^{[9
]}

Satomura, Hideyuki ^{[10
]}

Kato, Hideaki ^{[11
]}

Morita, Sayuri ^{[11
]}

Tanada, Ai ^{[11
]}

Hara, Toshinori ^{[12
]}

Kawada, Miki ^{[13
]}

Sato, Yuka

Takahashi, Masahiko ^{[14
]}

Higuchi, Akiko ^{[14
]}

Nakajima, Tomoko ^{[15
]}

Wakamatsu, Yukiko ^{[15
]}

Toyokawa, Masahiro ^{[16
]}

Ueda, Akiko ^{[16
]}

Roberts, Paul

Miyajima, Fabio

Shibayamal, Keigo ^{[1
]}

机构：

[1] Natl Inst Infect Dis, Dept Bacteriol 2, Tokyo, Japan

[2] Ishikawa Prefectural Cent Hosp, Ishikawa, Japan

[3] Okayama Saiseikai Gen Hosp, Okayama, Japan

[4] Tsuyama Chuo Hosp, Okayama, Japan

[5] Japanese Red Cross Gifu Hosp, Gifu, Japan

[6] NHO Sendai Med Ctr, Miyagi, Japan

[7] NHO Matsumoto Med Ctr, Nagano, Japan

[8] Aichi Canc Ctr Hosp, Aichi, Japan

[9] NHO Kure Med Ctr, Hiroshima, Japan

[10] Chiba Canc Ctr, Chiba 2608717, Japan

[11] Toyokawa City Hosp, Aichi, Japan

[12] Hiroshima Univ Hosp, Hiroshima, Japan

[13] Saitama City Hosp, Saitama, Japan

[14] NHO Tokyo Med Ctr, Tokyo, Japan

[15] Tsuruoka Municipal Shonai Hosp, Yamagata, Japan

[16] Osaka Univ Hosp, Osaka 553, Japan

来源：

JOURNAL OF MEDICAL MICROBIOLOGY | 2015年 / 64卷

关键词：

ANTIMICROBIAL RESISTANCE; CLOSTFIDIUM-DIFFICILE; INFECTION; EPIDEMIOLOGY; EMERGENCE; TOXIN; MULTICENTER; HOSPITALS; DIARRHEA; GENE;

D O I：

10.1099/jmm.0.000149

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Global spread and evolutionary links of an epidemic Clostridium difficile strain (PCR-ribotype 027) have been noted in recent decades. However, in Japan, no outbreaks caused by type 027 have been reported to date. A total of 120 C. difficile isolates from patients at 15 hospitals during non-outbreak seasons between 2011 and 2013 as well as 18 and 21 isolates collected from two hospitals in 2010 and 2009, respectively, in outbreak periods in Japan, were examined. Among these 120 isolates, Japan-ribotypes smz and ysmz (subtype variant of smz) were the most predominant (39.2 %) followed by Japan-ribotype trf (15.8 %). Types smz/ysmz and trf were also concurrently predominant at two hospitals in the outbreak settings. Out of the five binary toxin-positive isolates observed, only one was PCR-ribotype 027 and another PCR-ribotype 078. Type smz was later found to correspond to PCR-ribotype 018. High rates of resistance against gatifloxacin, moxifloxacin, erythromycin and clindamycin were observed in the PCR-ribotype 018 isolates. Interestingly, all trf isolates were toxin A-negative, toxin B-positive, but they did not correspond to PCR-ribotype 017, thus being assigned a new ribotype (PCR-ribotype 369). In conclusion, PCR-ribotypes 018 (smz) and 369 (trf) were identified as major circulating strains in both outbreak and non-outbreak settings in Japan. Given their epidemiological relevance, molecular investigations are warranted to clarify potential evolutionary links with related strains found elsewhere, such as PCR-ribotypes 018 and 017 from Europe and North America.

引用

页码：1226 / 1236

页数：11

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