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Momose Y, Sasaki Y, Yonemitsu K, Kuroda M, Ikeda T, Uema M, Furuya Y, Toyofuku H, Igimi S, Asai T. Changes in the Phenotypes of Salmonella spp. in Japanese Broiler Flocks. Food Saf (Tokyo) 2024; 12:25-33. [PMID: 39036747 PMCID: PMC11257683 DOI: 10.14252/foodsafetyfscj.d-24-00001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 04/19/2024] [Indexed: 07/23/2024] Open
Abstract
Salmonella infections represent a leading cause of foodborne illnesses; resistance to third-generation cephalosporins (TGCs), which are a first-choice antimicrobial for treating human Salmonella enteritis, has become a serious public health concern worldwide. Because the consumption of undercooked chicken meat products is a major cause of foodborne salmonellosis in Japan, we conducted three surveys at different periods between 2017 and 2022, with the cooperation of four abattoirs (two in Eastern and two in Western Japan). The first survey was conducted at abattoir A, which is located in Eastern Japan. Salmonella was detected in 84.4% of broiler flocks tested (27/32); among them, all the TGC-resistant isolates obtained from one farm (farm FA) were identified as S. Infantis. Salmonella was recovered from 62.5% of breast meat samples (20/32), with one case suggesting cross-contamination. The second survey was conducted at three other abattoirs to examine the prevalence of TGC-resistant Salmonella, in both Western (abattoirs B and C) and Eastern (abattoir D) Japan. Salmonella was detected in 90.6% of broiler flocks examined (29/32). TGC-resistant S. Infantis was isolated from 2 flocks until 2018 and not thereafter. Subsequently, isolates were identified as TGC-susceptible S. Schwarzengrund in both regions. The third survey was performed at abattoir A to elucidate whether there were changes in the phenotypes. Of the 11 broiler flocks introduced from farm FA, 10 were positive for Salmonella (90.9%); all the isolates were S. Schwarzengrund susceptible to TGC. This study shows that TGC-susceptible S. Schwarzengrund has replaced the resistant phenotypes among broiler flocks in both Eastern and Western Japan. Although chicken meat products could be cross-contaminated with Salmonella during the slaughtering process, reducing the prevalence of Salmonella in broiler flocks remains important to decrease Salmonella enteritis in humans.
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Affiliation(s)
- Yoshika Momose
- Division of Biomedical Food Research, National Institute of
Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan
| | - Yoshimasa Sasaki
- Division of Biomedical Food Research, National Institute of
Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan
- Division of Veterinary Science, Department of Veterinary
Medicine, Obihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro,
Hokkaido 080-8555, Japan
| | - Kenzo Yonemitsu
- Management Department of Biosafety, Laboratory Animal, and
Pathogen Bank, National Institute of Infectious Diseases, 4-7-1, Gakuen, Musashimurayama,
Tokyo 208-0011, Japan
| | - Makoto Kuroda
- Pathogen Genomics Center, National Institute of Infectious
Diseases, 1-23-1 Toyama, Shinjuku-ku,Tokyo 162-8640, Japan
| | - Tetsuya Ikeda
- Department of Infectious Diseases, Hokkaido Institute of
Public Health, Kita-19, Nishi-12, Kita-ku, Sapporo, Hokkaido 060-0819, Japan
| | - Masashi Uema
- Division of Biomedical Food Research, National Institute of
Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan
| | - Yoko Furuya
- Japan Food Safety Verification Organization, 1-7-5,
Sekiguchi, Bunkyo-ku, Tokyo 112-0014, Japan
| | - Hajime Toyofuku
- The United Graduate School of Veterinary Science, Yamaguchi
University, 1677-1 Yoshida,Yamaguchi 753–8515, Japan
| | - Shizunobu Igimi
- Department of Applied Biology and Chemistry, Tokyo University
of Agriculture, 1-1-1, Sakuragaoka,Setagaya-ku, Tokyo 156-8502, Japan
| | - Tetsuo Asai
- The United Graduate School of Veterinary Science, Gifu
University, 1-1, Yanagido, Gifu, Gifu 501-1193, Japan
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Onishi R, Shigemura K, Osawa K, Yang YM, Maeda K, Fang SB, Sung SY, Onuma K, Uda A, Miyara T, Fujisawa M. The Antimicrobial Resistance Characteristics of Imipenem-Non-Susceptible, Imipenemase-6-Producing Escherichia coli. Antibiotics (Basel) 2021; 11:antibiotics11010032. [PMID: 35052909 PMCID: PMC8772982 DOI: 10.3390/antibiotics11010032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 11/16/2022] Open
Abstract
Imipenemase-6 (IMP-6) type carbapenemase-producing Enterobacteriaceae is regarded as dangerous due to its unique lack of antimicrobial susceptibility. It is resistant to meropenem (MEPM) but susceptible to imipenem (IPM). In addition to carbapenemase, outer membrane porins and efflux pumps also play roles in carbapenem resistance by reducing the antimicrobial concentration inside cells. Extended-spectrum β-lactamase (ESBL) is transmitted with IMP-6 by the plasmid and broadens the spectrum of antimicrobial resistance. We collected 42 strains of IMP-6-producing Escherichia coli and conducted a molecular analysis of carbapenemase, ESBL, porin, efflux, and epidemiological characteristics using plasmid replicon typing. Among the 42 isolates, 21 strains were susceptible to IPM (50.0%) and 1 (2.4%) to MEPM. Seventeen strains (40.5%) co-produced CTX-M-2 type ESBL. We found that the relative expression of ompC and ompF significantly correlated with the MIC of IPM (p = 0.01 and p = 0.03, respectively). Sixty-eight% of CTX-M-2-non-producing strains had IncI1, which was significantly different from CTX-M-2-producing strains (p < 0.001). In conclusion, 50.0% of our IMP-6-producing strains were non-susceptible to IPM, which is different from the typical pattern and can be attributed to decreased porin expression. Further studies investigating other types of carbapenemase are warranted.
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Affiliation(s)
- Reo Onishi
- Department of Public Health, Division of Infectious Diseases, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka Suma-ku, Kobe 654-0142, Japan;
| | - Katsumi Shigemura
- Department of Public Health, Division of Infectious Diseases, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka Suma-ku, Kobe 654-0142, Japan;
- Division of Urology, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (Y.-M.Y.); (K.M.); (M.F.)
- Correspondence: ; Tel.: +81-78-382-6155
| | - Kayo Osawa
- Department of Medical Technology, Kobe Tokiwa University, 2-6-2 Otani-cho, Nagata-ku, Kobe 653-0838, Japan;
| | - Young-Min Yang
- Division of Urology, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (Y.-M.Y.); (K.M.); (M.F.)
| | - Koki Maeda
- Division of Urology, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (Y.-M.Y.); (K.M.); (M.F.)
| | - Shiuh-Bin Fang
- Department of Pediatrics, Division of Pediatric Gastroenterology and Hepatology, Shuang Ho Hospital, Taipei Medical University, 291 Jhong Jheng Road, Jhong Ho District, New Taipei City 23561, Taiwan;
- Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Shian-Ying Sung
- International Ph.D. Program for Translational Science, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan;
| | - Kenichiro Onuma
- Department of Infection Control and Prevention, Kobe University Hospital, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (K.O.); (A.U.); (T.M.)
| | - Atsushi Uda
- Department of Infection Control and Prevention, Kobe University Hospital, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (K.O.); (A.U.); (T.M.)
| | - Takayuki Miyara
- Department of Infection Control and Prevention, Kobe University Hospital, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (K.O.); (A.U.); (T.M.)
| | - Masato Fujisawa
- Division of Urology, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (Y.-M.Y.); (K.M.); (M.F.)
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Oktaviani Sulikah SR, Hasanah M, Setyarini W, Parathon H, Kitagawa K, Nakanishi N, Nomoto R, Osawa K, Kinoshita S, Hirai I, Shirakawa T, Kuntaman K. Occurrence of Carriage of Multidrug Resistant Enterobacteriaceae among Pregnant Women in the Primary Health Center and Hospital Setting in Surabaya, Indonesia. Microb Drug Resist 2021; 28:48-55. [PMID: 34348048 DOI: 10.1089/mdr.2020.0506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Objectives: The incidence of healthy individuals carrying multidrug resistant Enterobacteriaceae, including extended-spectrum β-lactamase producing Enterobacteriaceae (ESBL-E), especially extended-spectrum β-lactamase producing Escherichia coli (ESBL-EC) and extended-spectrum β-lactamase producing Klebsiella pneumoniae (ESBL-KP), is increasing worldwide. Although ESBL-E causes early or late onset of neonatal sepsis, the prevalence of ESBL-E carriage among pregnant women in Indonesia is not clear. In the present study, we compared the occurrence of carriage of ESBL-E among pregnant women in a primary health center (PHC) versus two hospitals. Materials and Methods: We collected rectal swab samples from 200 pregnant women who visited a PHC or were admitted to two hospitals in Surabaya, Indonesia from July to October 2018. The ESBL-E strains were isolated from the samples and phenotypically and genotypically analyzed. Results: ESBL-E strains were isolated from 25 (24.8%) pregnant women who visited the PHC and 49 (49.5%) pregnant women who were admitted to the hospitals. The rate of ESBL-E carriage of pregnant women in the hospitals was significantly higher than that in the PHC. Among the 74 isolated ESBL-E strains, ESBL-EC was most frequently isolated (62 strains), followed by ESBL-KP (12 strains). In addition, blaCTX-M-15 was the most frequent ESBL gene type of the isolated ESBL-E strains. Conclusions: Our results revealed the high occurrence of ESBL-E carriage in pregnant women, especially those who were admitted to the hospitals.
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Affiliation(s)
| | - Miratul Hasanah
- Post-Graduate Master Program on Tropical Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Wahyu Setyarini
- Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia
| | - Hari Parathon
- Department of Obstetrics and Gynaecology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.,Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
| | - Koichi Kitagawa
- Division of Advanced Medical Science, Kobe University Graduate School of Science, Technology and Innovation, Kobe, Japan
| | - Noriko Nakanishi
- Department of Infectious Diseases, Kobe Institute of Health, Kobe, Japan
| | - Ryohei Nomoto
- Department of Infectious Diseases, Kobe Institute of Health, Kobe, Japan
| | - Kayo Osawa
- Department of Medical Technology, Kobe Tokiwa University, Kobe, Japan
| | - Shohiro Kinoshita
- Division of Advanced Medical Science, Kobe University Graduate School of Science, Technology and Innovation, Kobe, Japan
| | - Itaru Hirai
- Laboratory of Microbiology, School of Health Sciences, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Toshiro Shirakawa
- Division of Advanced Medical Science, Kobe University Graduate School of Science, Technology and Innovation, Kobe, Japan
| | - Kuntaman Kuntaman
- Department of Clinical Microbiology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.,Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia.,Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
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4
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Yang YM, Osawa K, Kitagawa K, Hosoya S, Onishi R, Ishii A, Shirakawa T, Hirai I, Kuntaman K, Tanimoto H, Shigemura K, Fujisawa M. Differential effects of chromosome and plasmid bla CTX-M-15 genes on antibiotic susceptibilities in extended-spectrum beta-lactamase-producing Escherichia coli isolates from patients with urinary tract infection. Int J Urol 2021; 28:623-628. [PMID: 33811389 DOI: 10.1111/iju.14498] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 02/28/2021] [Indexed: 12/13/2022]
Abstract
OBJECTIVES To compare antibiotic susceptibilities between chromosomal and plasmid blaCTX-M-15 locations in urinary tract infection-causing extended-spectrum β-lactamases-producing Escherichia coli blaCTX-M-15 isolated in Indonesia. METHODS A total of 84 strains identified as extended-spectrum β-lactamases-producing E. coli were isolated from patients with urinary tract infection in Indonesia in 2015. Antimicrobial susceptibility tests were performed on these strains using 18 antibiotics, and extended-spectrum β-lactamase bla genes were detected by polymerase chain reaction. Gene localization of blaCTX-M-15 -positive strains was confirmed by Southern blot hybridization, and epidemiological typing was conducted using multilocus sequence typing. RESULTS Of 54 strains harboring the blaCTX-M-15 gene, 27 showed localization on chromosome, 20 on plasmid, and seven on chromosome and plasmid. Most multilocus sequence typing sequence types of the 27 strains with chromosomal blaCTX-M-15 were ST405 (25.9%) and ST131 (22.2%) strains, whereas the 20 strains with plasmid-blaCTX-M-15 were mostly ST410 (55.0%). CONCLUSIONS Extended-spectrum β-lactamases-producing E. coli blaCTX-M-15 with plasmid genes show significantly higher resistant rates against piperacillin-tazobactam but lower resistant rates against chloramphenicol compared to chromosomal strains in Indonesian patients with urinary tract infection. Mechanistic investigations will be necessary to advance our knowledge of antimicrobial resistance in urinary tract infection.
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Affiliation(s)
- Young-Min Yang
- Division of Urology, Department of Organ Therapeutics, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kayo Osawa
- Division of Biophysics, Kobe University Graduate School of Health Sciences, Kobe, Japan.,Department of Medical Technology, Kobe Tokiwa University, Kobe, Japan
| | - Koichi Kitagawa
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan.,Department of Advanced Medical Science, Kobe University Graduate School of Science, Technology and Innovation, Kobe, Japan
| | - Samiko Hosoya
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Reo Onishi
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Aya Ishii
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Toshiro Shirakawa
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan.,Department of Advanced Medical Science, Kobe University Graduate School of Science, Technology and Innovation, Kobe, Japan
| | - Itaru Hirai
- Laboratory of Microbiology, School of Health Sciences, Faculty of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Kuntaman Kuntaman
- Department of Microbiology, Faculty of Medicine, Airlangga University, Surabaya, Indonesia
| | - Hiroshi Tanimoto
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Katsumi Shigemura
- Division of Urology, Department of Organ Therapeutics, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.,Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Masato Fujisawa
- Division of Urology, Department of Organ Therapeutics, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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5
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Genetic analysis of ESBL-producing Klebsiella pneumoniae isolated from UTI patients in Indonesia. J Infect Chemother 2020; 27:55-61. [PMID: 32888833 DOI: 10.1016/j.jiac.2020.08.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/17/2020] [Accepted: 08/11/2020] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Extended spectrum beta-lactamase (ESBL)-producing Klebsiellapneumoniae is a serious concern for nosocomial infection and the emergence rate in Indonesia is higher than that in developed countries. The purpose of this study was to investigate the genetic characteristics of ESBL-producing K. pneumoniae isolated from UTI patients in Indonesia. MATERIALS AND METHODS We collected K. pneumoniae resistant to ceftazidime or cefotaxime isolated from UTI patients in Dr. Soetomo's Academic Hospital in Surabaya, Indonesia in 2015. Ninety-four strains were identified as ESBL-producing bacteria by confirmation tests. The isolates were investigated by antimicrobial susceptibility testing with 20 drugs and ESBL gene detection, plasmid replicon typing and virulence genes as hypermucoviscous (HMV) strains were tested by the string test. RESULTS High rates of resistance to ciprofloxacin (86.2%), tetracycline (80.9%) and nalidixic acid (78.7%) were observed. CTX-M-15 was the most common ESBL gene (89.4%), 33 of which also carried SHV-type ESBL. IncF was the most prevalent plasmid replicon typing (47.6%). Sixteen (17.0%) strains were judged as HMV, all of which had rmpA and more than half of which had fimH, uge, and wab. IncL/M was the most common replicon plasmid in the HMV strains, and the difference in the positive rate was statistically significant (p = 0.0024). CONCLUSION This study showed the high prevalence of multiple-drug resistant and predominately CTX-M-15-positive ESBL-producing K. pneumoniae in Indonesia. There was a correlation between IncL/M and the HMV phenotype in this study. As such hypervirulent strains continue to emerge, studying their dissemination with resistance determinants is an urgent priority.
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Rozwandowicz M, Brouwer MSM, Fischer J, Wagenaar JA, Gonzalez-Zorn B, Guerra B, Mevius DJ, Hordijk J. Plasmids carrying antimicrobial resistance genes in Enterobacteriaceae. J Antimicrob Chemother 2019; 73:1121-1137. [PMID: 29370371 DOI: 10.1093/jac/dkx488] [Citation(s) in RCA: 501] [Impact Index Per Article: 100.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Bacterial antimicrobial resistance (AMR) is constantly evolving and horizontal gene transfer through plasmids plays a major role. The identification of plasmid characteristics and their association with different bacterial hosts provides crucial knowledge that is essential to understand the contribution of plasmids to the transmission of AMR determinants. Molecular identification of plasmid and strain genotypes elicits a distinction between spread of AMR genes by plasmids and dissemination of these genes by spread of bacterial clones. For this reason several methods are used to type the plasmids, e.g. PCR-based replicon typing (PBRT) or relaxase typing. Currently, there are 28 known plasmid types in Enterobacteriaceae distinguished by PBRT. Frequently reported plasmids [IncF, IncI, IncA/C, IncL (previously designated IncL/M), IncN and IncH] are the ones that bear the greatest variety of resistance genes. The purpose of this review is to provide an overview of all known AMR-related plasmid families in Enterobacteriaceae, the resistance genes they carry and their geographical distribution.
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Affiliation(s)
- M Rozwandowicz
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - M S M Brouwer
- Wageningen Bioveterinary Research, Lelystad, The Netherlands
| | - J Fischer
- Department of Biological Safety, Federal Institute for Risk Assessment, BfR, Berlin, Germany
| | - J A Wagenaar
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.,Wageningen Bioveterinary Research, Lelystad, The Netherlands
| | - B Gonzalez-Zorn
- Department of Animal Health and VISAVET, Complutense University of Madrid, Madrid, Spain
| | - B Guerra
- Department of Biological Safety, Federal Institute for Risk Assessment, BfR, Berlin, Germany
| | - D J Mevius
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.,Wageningen Bioveterinary Research, Lelystad, The Netherlands
| | - J Hordijk
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
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Dame-Korevaar A, Fischer EAJ, van der Goot J, Stegeman A, Mevius D. Transmission routes of ESBL/pAmpC producing bacteria in the broiler production pyramid, a literature review. Prev Vet Med 2018; 162:136-150. [PMID: 30621893 DOI: 10.1016/j.prevetmed.2018.12.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 12/03/2018] [Accepted: 12/05/2018] [Indexed: 10/27/2022]
Abstract
Plasmid mediated Extended Spectrum Beta-Lactamase and AmpC Beta-Lactamase (ESBL/pAmpC) producing bacteria are resistant to beta-lactam antimicrobials and are widespread in humans, the environment and animals. Animals, especially broilers, are an important reservoir of ESBL/pAmpC producing bacteria. To control ESBL/pAmpC prevalence in broilers, transmission within the entire broiler production pyramid should be considered. This study, including 103 articles originating from two electronic databases, searched for evidence for possible routes of transmission of ESBL/pAmpC producing bacteria in the broiler production pyramid. Possible routes of transmission were categorised as 1) vertical between generations, 2) at hatcheries, 3) horizontal on farm, and 4) horizontal between farms and via the environment of farms. This review presents indications for transmission of ESBL/pAmpC producing bacteria for each of these routes. However, the lack of quantitative results in the literature did not allow an estimation of the relative contribution or magnitude of the different routes. Future research should be specifically targeted towards such information as it is crucial to guide reduction strategies for the spread of ESBL/pAmpC producing bacteria in the broiler production chain.
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Affiliation(s)
- Anita Dame-Korevaar
- Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands.
| | - Egil A J Fischer
- Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Jeanet van der Goot
- Department of Bacteriology and Epidemiology, Wageningen Bioveterinary Research, Lelystad, the Netherlands
| | - Arjan Stegeman
- Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Dik Mevius
- Department of Bacteriology and Epidemiology, Wageningen Bioveterinary Research, Lelystad, the Netherlands; Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
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Kuntaman K, Shigemura K, Osawa K, Kitagawa K, Sato K, Yamada N, Nishimoto K, Yamamichi F, Rahardjo D, Hadi U, Mertaniasih NM, Kinoshita S, Fujisawa M, Shirakawa T. Occurrence and characterization of carbapenem-resistant Gram-negative bacilli: A collaborative study of antibiotic-resistant bacteria between Indonesia and Japan. Int J Urol 2018; 25:966-972. [PMID: 30253445 DOI: 10.1111/iju.13787] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 07/26/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVES To explore the occurrence and characterization of carbapenemase-producing pathogens among carbapenem-resistant Gram-negative bacilli isolated from hospitalized patients with urinary tract infection in Indonesia. METHODS This was a study promoted by the Japanese-Indonesian collaborative research program in the Japan Initiative for Global Research Network on Infectious Diseases. Bacterial pathogens were prospectively isolated from urine specimens of hospitalized urinary tract infection patients at Dr. Soetomo Hospital (Surabaya, Indonesia). All Gram-negative bacteria resistant to third-generation cephalosporin or carbapenem were included in this study. Carbapenemase genes were investigated for phenotype and genotype. RESULTS In total, 1082 Gram-negative bacilli were isolated, of which 116 strains were resistant to imipenem or meropenem (carbapenem-resistant Gram-negative bacilli), and 22 strains were carbapenemase-producing Gram-negative bacilli. Carbapenemase-producing Gram-negative bacilli consisted of Acinetobacter baumannii (n = 4), Pseudomonas aeruginosa (n = 4), Klebsiella pneumoniae (n = 5), Providencia rettgeri (n = 4) and five others. The carbapenemase-producing Gram-negative bacilli included NDM-1 (n = 18, 81.8%, in Enterobacteriaceae and Acinetobacter spp.) and IMP-7 (n = 4, 18.2%, all in P. aeruginosa). Among carbapenem-resistant Gram-negative bacilli, all four P. aeruginosa were sensitive to colistin, and all six Acinetobacter spp. were sensitive to minocycline, colistin and tigecycline. Of those patients harboring carbapenemase-producing Gram-negative bacilli, 12 (54.5%) were seriously ill at the time of admission, with longer hospital stays and three deaths (13.6% mortality rate). CONCLUSIONS Urinary tract infection-causing carbapenem-resistant Gram-negative bacilli are widely disseminated in Indonesia. The NDM-1 phenotype seems to be dominant, and it can be treated with colistin and tigecycline in most cases. Most patients harboring carbapenemase-producing Gram-negative bacilli are seriously ill, have a bad prognosis, with a longer hospital stay and a significant mortality rate.
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Affiliation(s)
- Kuntaman Kuntaman
- Department of Microbiology, Faculty of Medicine, Airlangga University and Dr. Soetomo Hospital, Surabaya, Indonesia.,Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Katsumi Shigemura
- Division of Infectious Diseases, Department of International Health, Kobe University Graduate School of Health Sciences, Kobe, Japan.,Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kayo Osawa
- Department of Biophysics, Kobe University Graduate School of Health Sciences, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Koichi Kitagawa
- Division of Translational Research for Biologics, Department of Internal Related, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koharu Sato
- Division of Infectious Diseases, Department of International Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Naoki Yamada
- Division of Infectious Diseases, Department of International Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Kento Nishimoto
- Division of Infectious Diseases, Department of International Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Fukashi Yamamichi
- Department of Biophysics, Kobe University Graduate School of Health Sciences, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Dadik Rahardjo
- Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Usman Hadi
- Department of Microbiology, Faculty of Medicine, Airlangga University and Dr. Soetomo Hospital, Surabaya, Indonesia.,Department of Internal Medicine, Faculty of Medicine, Airlangga University and Dr. Soetomo Hospital, Surabaya, Indonesia
| | - Ni Made Mertaniasih
- Department of Microbiology, Faculty of Medicine, Airlangga University and Dr. Soetomo Hospital, Surabaya, Indonesia.,Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Shohiro Kinoshita
- Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Masato Fujisawa
- Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Toshiro Shirakawa
- Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan.,Division of Translational Research for Biologics, Department of Internal Related, Kobe University Graduate School of Medicine, Kobe, Japan.,Division of Advanced Medical Science, Kobe University Graduate School of Science, Technology and Innovation, Kobe, Japan
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Moawad AA, Hotzel H, Neubauer H, Ehricht R, Monecke S, Tomaso H, Hafez HM, Roesler U, El-Adawy H. Antimicrobial resistance in Enterobacteriaceae from healthy broilers in Egypt: emergence of colistin-resistant and extended-spectrum β-lactamase-producing Escherichia coli. Gut Pathog 2018; 10:39. [PMID: 30250514 PMCID: PMC6148799 DOI: 10.1186/s13099-018-0266-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 09/12/2018] [Indexed: 01/21/2023] Open
Abstract
Background Poultry remains one of the most important reservoir for zoonotic multidrug resistant pathogens. The global rise of antimicrobial resistance in Gram-negative bacteria is of reasonable concern and demands intensified surveillance. Methods In 2016, 576 cloacal swabs were collected from 48 broiler farms located in five governorates in northern Egypt. Isolates of Enterobacteriaceae could be cultivated on different media and were identified by MALDI-TOF MS and PCR. Escherichia coli isolates were genotyped by DNA-microarray-based assays. The antimicrobial susceptibility to 14 antibiotics was determined and resistance-associated genes were detected. The VITEK-2 system was applied for phenotypical confirmation of extended-spectrum β-lactamase-producing isolates. The determination of colistin resistance was carried out phenotypically using E-test and genotypically using PCR for detection of the mcr-1 gene. Results Out of 576 samples, 72 representatives of Enterobacteriaceae were isolated and identified as 63 E. coli (87.5%), 5 Enterobacter cloacae (6.9%), 2 Klebsiella pneumoniae (2.8%) and 2 Citrobacter spp. (2.8%). Seven out of 56 cultivated E. coli (12.5%) were confirmed as ESBL-producing E. coli and one isolate (1.8%) as ESBL/carbapenemase-producing E. coli. Five out of 63 E. coli isolates (7.9%) recovered from different poultry flocks were phenotypically resistant to colistin and harboured mcr-1 gene. Conclusions This is the first study reporting colistin resistance and emergence of multidrug resistance in Enterobacteriaceae isolated from healthy broilers in the Nile Delta region, Egypt. Colistin-resistant E. coli in poultry is of public health significance. The global rise of ESBL- and carbapenemase-producing Gram-negative bacteria demands intensified surveillance. ESBL-producing E. coli in poultry farms in Egypt are of major concern that emphasizes the possibility of spread of such strains to humans. The results also reinforce the need to develop strategies and to implement specific control procedures to reduce the use of antibiotics.
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Affiliation(s)
- Amira A Moawad
- Friedrich-Loeffler-Institut (Federal Research Institute for Animal Health), Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany.,Provincial Laboratory, Institute of Animal Health Research, Mansoura, Egypt
| | - Helmut Hotzel
- Friedrich-Loeffler-Institut (Federal Research Institute for Animal Health), Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany
| | - Heinrich Neubauer
- Friedrich-Loeffler-Institut (Federal Research Institute for Animal Health), Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany
| | - Ralf Ehricht
- 4Alere Technologies GmbH, Löbstedter Str. 103-105, 07749 Jena, Germany.,InfectoGnostics Research Campus Jena e. V., Philosophenweg 7, 07743 Jena, Germany
| | - Stefan Monecke
- 4Alere Technologies GmbH, Löbstedter Str. 103-105, 07749 Jena, Germany.,InfectoGnostics Research Campus Jena e. V., Philosophenweg 7, 07743 Jena, Germany.,6Institute for Medical Microbiology and Hygiene, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Fetscherstr. 74, 01307 Dresden, Germany
| | - Herbert Tomaso
- Friedrich-Loeffler-Institut (Federal Research Institute for Animal Health), Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany
| | - Hafez M Hafez
- 3Institute for Poultry Diseases, Free University Berlin, Königsweg 63, 14163 Berlin, Germany
| | - Uwe Roesler
- 7Institute for Animal Hygiene and Environmental Health, Free University Berlin, Robert-von Ostertag-Str. 7-13, 14163 Berlin, Germany
| | - Hosny El-Adawy
- Friedrich-Loeffler-Institut (Federal Research Institute for Animal Health), Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany.,8Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh, 33516 Egypt
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10
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Shigemura H, Matsui M, Sekizuka T, Onozuka D, Noda T, Yamashita A, Kuroda M, Suzuki S, Kimura H, Fujimoto S, Oishi K, Sera N, Inoshima Y, Murakami K. Decrease in the prevalence of extended-spectrum cephalosporin-resistant Salmonella following cessation of ceftiofur use by the Japanese poultry industry. Int J Food Microbiol 2018; 274:45-51. [PMID: 29626788 DOI: 10.1016/j.ijfoodmicro.2018.03.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Revised: 03/14/2018] [Accepted: 03/16/2018] [Indexed: 10/17/2022]
Abstract
Extended-spectrum cephalosporin (ESC)-resistant Salmonella in chicken meat is a significant food safety concern. We previously reported that the prevalence of ESC-resistant Salmonella in chicken meat, giblets, and processed chicken (chicken meat products) increased in Japan between 2005 and 2010, with 27.9% (17/61) of Salmonella isolated from chicken meat products in 2010 showing resistance to ESC. The aims of the present study were to clarify trends in the prevalence of ESC-resistant Salmonella in chicken meat products in Japan between 2011 and 2015, and to determine the genetic profiles of bla-harboring plasmids, including replicon types, using next-generation sequencing. Our results showed that the prevalence of ESC-resistant Salmonella, mainly consisting of AmpC β-lactamase CMY-2-producing isolates, in chicken meat products had increased to 45.5% (10/22) by 2011. However, following the voluntary cessation of ceftiofur use by the Japanese poultry industry in 2012, the prevalence of ESC-resistant Salmonella steadily decreased each year, to 29.2% (7/24), 18.2% (4/22), 10.5% (2/19), and 10.5% (2/19) in 2012, 2013, 2014, and 2015, respectively. Furthermore, no AmpC β-lactamase CMY-2-producing isolates were identified in 2014 and 2015. However, the prevalence of Salmonella enterica subspecies enterica serovar Manhattan isolates harboring a blaTEM-52-carrying IncX1 plasmid remained steady even after the cessation of ceftiofur use. Therefore, continuous monitoring of ESC resistance amongst Salmonella isolates from chicken meat products is required for food safety.
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Affiliation(s)
- Hiroaki Shigemura
- Division of Pathology and Bacteriology, Department of Health Science, Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu, Fukuoka 818-0135, Japan
| | - Mari Matsui
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, 4-2-1 Aobachou, Higashimurayama, Tokyo 189-0002, Japan
| | - Tsuyoshi Sekizuka
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku, Tokyo 162-8640, Japan
| | - Daisuke Onozuka
- Department of Health Communication, Kyushu University Graduate School of Medical Sciences, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Tamie Noda
- Fukuoka Kitachikugo Office for Health, Human Services and Environmental Issues, 1642-1 Aikawa-machi Kurume, Fukuoka 839-0861, Japan
| | - Akifumi Yamashita
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku, Tokyo 162-8640, Japan
| | - Makoto Kuroda
- Pathogen Genomics Center, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku, Tokyo 162-8640, Japan
| | - Satowa Suzuki
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, 4-2-1 Aobachou, Higashimurayama, Tokyo 189-0002, Japan
| | - Hirokazu Kimura
- School of Medical Technology, Faculty of Health Science, Gunma Paz University, 1-7-1, Tonyamachi, Takasaki-shi, Gunma 370-0006, Japan
| | - Shuji Fujimoto
- Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Kazunori Oishi
- Infectious Disease Surveillance Center, National Institute of Infectious Diseases, 4-7-1 Gakuen, Musashimurayama, Tokyo 208-0011, Japan
| | - Nobuyuki Sera
- Division of Pathology and Bacteriology, Department of Health Science, Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu, Fukuoka 818-0135, Japan
| | - Yasuo Inoshima
- Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Koichi Murakami
- Infectious Disease Surveillance Center, National Institute of Infectious Diseases, 4-7-1 Gakuen, Musashimurayama, Tokyo 208-0011, Japan.
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11
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Characterization of antibiotic resistant and pathogenic Escherichia coli in irrigation water and vegetables in household farms. Int J Food Microbiol 2017; 257:192-200. [DOI: 10.1016/j.ijfoodmicro.2017.06.020] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 06/19/2017] [Accepted: 06/20/2017] [Indexed: 11/21/2022]
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Abstract
For several billion years, bacteria have developed mechanisms to resist antibacterial substances. In modern time, antibiotics are frequently used in veterinary and human medicine for prevention and treatment of diseases, globally still also for their growth promoting effects as feed additives. This complex situation has evolved in accelerating development and prevalence of multi-drug resistant bacteria in livestock and people. Extended-spectrum beta-lactamase (ESBL) producing bacteria are resistant to a wide range of ß-lactam antibiotics. They are currently considered as one of the main threats for the treatment of infections in humans and animals. In livestock and animal products, poultry and poultry products show the highest prevalence of ESBL-producers with CTX-M-1, TEM-52 and SHV-12 being the most common ESBL-types in poultry. Escherichia coli and Salmonella spp. are the bacteria in poultry, which carry ESBL-genes most frequently. ESBL-producing bacteria are present at every level of the poultry production pyramid and can be detected even in the meconium of newly hatched chicks. The environment close to poultry barns shows high prevalence rates of these bacteria and contributes to an ongoing infection pressure with further ESBL-types. Probiotics have been shown to successfully reduce ESBL-producers in chicken, as well as ESBL-gene transfer. Other feed additives, such as zinc and copper, increase the prevalence of ESBL-producing bacteria when fed to animals. To our best knowledge, this is the first publication presenting a comparative overview of the prevalence of ESBL-types using data from different countries. To reduce the hazard for public health from poultry carrying high numbers of ESBL-producers, preventive measurements must include the surrounding environment and avoidance of antibiotic usage at all levels of the production pyramid. The first results, of the research on the impact of feed additives on the spread of ESBL-genes, indicate the diet as a further, possible magnitude of influence.
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Subramanian GK, Soundari PG, Ramanathan V, Krishnan P. Endemic Indian clones of Klebsiella pneumoniae-harbouring New Delhi metallo-beta-lactamase-1 on a hybrid plasmid replicon type: A case of changing New Delhi metallo-beta-lactamase plasmid landscapes in India? Indian J Med Microbiol 2017; 34:286-92. [PMID: 27514948 DOI: 10.4103/0255-0857.188314] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
PURPOSE blaNDM genes are MBL genes that confer resistance to carbapenems. Globally, they are associated with diverse clones and plasmids. In this study, we characterised three isolates of Klebsiella pneumoniae-harbouring blaNDM1 from patients undergoing chronic haemodialysis and renal transplantation. MATERIALS AND METHODS 3 blaNDM1 -producing K. pneumoniae were isolated from end-stage renal disease patients undergoing haemodialysis and renal transplantation from a nephrology unit. All the three isolates were screened for clinically relevant resistant genes. Plasmid replicon content was analysed by polymerase chain reaction based replicon typing. Conjugation assays were done using azide-resistant Escherichia coli J53 as the recipient strain. Multilocus sequence typing and variable number tandem repeat typing were done to find the clonality. Replicon sequence based typing was attempted to find the diversity of replicon-associated sequences in IncHI3 plasmids. RESULTS All the 3 blaNDM positive isolates possessed the New Delhi metallo-beta-lactamase-1 (NDM-1) allele with an IncHI3 plasmid which was not transferable in one isolate. The isolates were found to be sequence type 14 (ST14; 2 nos) and ST38 both of which were previously reported to be the NDM-producing K. pneumoniae STs prevalent in India. Replicon sequence analysis revealed limited sequence diversity within the repHI3 and repFIB locus. CONCLUSION To the best of our knowledge, this is the first report of IncHI3, a newly assigned enterobacterial plasmid incompatibility group from India. This could either be a case of importation or a widely circulating NDM plasmid type in India.
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Affiliation(s)
- G K Subramanian
- Department of Microbiology, Dr. ALM PGIBMS, University of Madras, Chennai, Tamil Nadu, India
| | - P G Soundari
- Department of Microbiology, Dr. ALM PGIBMS, University of Madras, Chennai, Tamil Nadu, India
| | - V Ramanathan
- Nephrology Unit, Billroth Hospitals, Chennai - 600 028, Tamil Nadu, India
| | - P Krishnan
- Department of Microbiology, Dr. ALM PGIBMS, University of Madras, Chennai, Tamil Nadu, India
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14
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Characterization of antimicrobial resistance in Klebsiella species isolated from chicken broilers. Int J Food Microbiol 2016; 232:95-102. [PMID: 27289192 DOI: 10.1016/j.ijfoodmicro.2016.06.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 06/01/2016] [Accepted: 06/02/2016] [Indexed: 01/16/2023]
Abstract
The prevalence of antimicrobial resistant Klebsiella pneumoniae in poultry products has been a public concern, as it severely endangers food safety and human health. In this study, we investigated 90 antimicrobial resistant Klebsiella strains that were isolated from a commercial broiler slaughter plant in Shandong province of China. Nearly all (89/90) of the isolates were identified as infectious phylogenetic group KpI-type K. pneumoniae. Out of these 90 strains, 87 (96.7%) were multidrug-resistant isolates, and 87 (96.7%) were extended-spectrum beta-lactamase (ESBL)-producing isolates. An analysis of the prevalence of quinolone resistance genes showed that 7.8%, 77.8%, 26.7%, and 2.2% of the strains carried the qnrA, qnrB, qnrS, and qepA genes, respectively. An analysis of beta-lactam resistance genes showed that a high percentage of the strains contain the blaTEM (76.7%), blaSHV (88.9%), and blaCTX-M (75.6%) genes, among which three blaSHV subtypes (blaSHV-1, n=30; blaSHV-11, n=38; blaSHV-12, n=12) and three blaCTX-M subtypes (blaCTX-M-14, n=14; blaCTX-M-15, n=35; blaCTX-M-55, n=19) were found. A further investigation of mobile genetic elements involved in horizontal multidrug resistance gene transfer showed the presence of class 1 and 2 integrons in 77 (85.6%) and five (5.6%) isolates, respectively, while no class 3 integrons were detected. Four types of class 1 integrons containing specific gene cassette arrays (dfrA12-orfF-aadA2, dfrA17-aadA5, dfrA1-aadA1, and empty) were identified. Only one gene cassette array (dfrA1-sat2-aadA1) was detected in the class 2 integrons. Furthermore, four different types of insertion sequence common region 1 (ISCR1)-mediated downstream structures were successfully identified in 46 class 1 integron-positive isolates, among which ISCR1-sapA-like-qnrB2-qacEΔ1 was the most commonly observed structure. Chi-square tests revealed a significant association between ESBL genes, plasmid-mediated quinolone resistance (PMQR) genes, and class 1 integrons (p<0.01). Additional conjugation experiments confirmed this relationship (p<0.01) in transconjugants by finding that a high percentage of PMQR genes (74.0%) and class 1 integrons (73.7%) were co-transferred with ESBL genes. Finally, multilocus sequence typing (MLST) was performed, and it revealed that the isolates from chickens are widely distributed in humans, and that antimicrobial resistance is not only disseminated by clonal spreading, but largely by horizontal gene transfer. These results suggest that horizontal transfer of antimicrobial resistance genes by mobile genetic elements, such as integrons, plays a major role in the spread of antimicrobial resistance. Therefore, elucidating the structures of drug resistance integrons is of great importance to the commercial broiler slaughter plant in Shandong, China.
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15
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Noda T, Murakami K, Etoh Y, Okamoto F, Yatsuyanagi J, Sera N, Furuta M, Onozuka D, Oda T, Asai T, Fujimoto S. Increase in resistance to extended-spectrum cephalosporins in Salmonella isolated from retail chicken products in Japan. PLoS One 2015; 10:e0116927. [PMID: 25642944 PMCID: PMC4314076 DOI: 10.1371/journal.pone.0116927] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 12/17/2014] [Indexed: 01/24/2023] Open
Abstract
Extended-spectrum β-lactamase (ESBL)-producing Salmonella are one of the most important public health problems in developed countries. ESBL-producing Salmonella strains have been isolated from humans in Asian countries neighboring Japan, along with strains harboring the plasmid-mediated extended-spectrum cephalosporin (ESC)-resistance gene, ampC (pAmpC). However, only a few studies have investigated the prevalence of ESC-resistant Salmonella in chicken products in Japan, which are the main vehicle of Salmonella transmission. The aim of this study was to investigate the prevalence of ESBL-producing, pAmpC-harboring, or carbapenem-resistant Salmonella in chicken products in Japan. In total, 355 out of 779 (45.6%) chicken product samples collected from 1996–2010 contained Salmonella, resulting in 378 distinct isolates. Of these isolates, 373 were tested for resistance to ESCs, cephamycins, or carbapenems. Isolates that showed resistance to one or more of these antimicrobials were then examined by PCR and DNA sequence analysis for the presence of the blaCMY, blaCTX-M, blaTEM, and blaSHV resistance genes. Thirty-five resistant isolates were detected, including 26 isolates that contained pAmpC (blaCMY-2), and nine ESBL-producing isolates harboring blaCTX-M (n = 4, consisting of two blaCTX-M-2 and two blaCTX-M-15 genes), blaTEM (n = 4, consisting of one blaTEM-20 and three blaTEM-52 genes), and blaSHV (n = 1, blaSHV-12). All pAmpC-harboring and ESBL-producing Salmonella isolates were obtained from samples collected after 2005, and the percentage of resistant isolates increased significantly from 0% in 2004 to 27.9% in 2010 (P for trend = 0.006). This increase was caused in part by an increase in the number of Salmonella enterica subsp. enterica serovar Infantis strains harboring an approximately 280-kb plasmid containing blaCMY-2 in proximity to ISEcp1. The dissemination of ESC-resistant Salmonella containing plasmid-mediated blaCMY-2 in chicken products indicates the need for the development of continuous monitoring strategies in the interests of public health.
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Affiliation(s)
- Tamie Noda
- Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
- Division of Pathology and Bacteriology, Department of Health Science, Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu, Fukuoka 818-0135, Japan
| | - Koichi Murakami
- Division of Pathology and Bacteriology, Department of Health Science, Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu, Fukuoka 818-0135, Japan
- * E-mail:
| | - Yoshiki Etoh
- Division of Pathology and Bacteriology, Department of Health Science, Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu, Fukuoka 818-0135, Japan
| | - Fuyuki Okamoto
- Division of Pathology and Bacteriology, Department of Health Science, Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu, Fukuoka 818-0135, Japan
| | - Jun Yatsuyanagi
- Akita Prefectural Institute of Public Health, 6-6 Sensyukubota, Akita 010-0874, Japan
| | - Nobuyuki Sera
- Division of Pathology and Bacteriology, Department of Health Science, Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu, Fukuoka 818-0135, Japan
| | - Munenori Furuta
- Nakamura Gakuen University Junior College, 5-7-1 Befu, Jonan-ku, Fukuoka 814-0198, Japan
| | - Daisuke Onozuka
- Department of Health Care Administration and Management, Kyushu University Graduate School of Medical Sciences, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Takahiro Oda
- Nakamura Gakuen University Junior College, 5-7-1 Befu, Jonan-ku, Fukuoka 814-0198, Japan
| | - Tetsuo Asai
- Animal Infectious Disease Control, United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Shuji Fujimoto
- Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
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Less travelled roads in clinical immunology and allergy: drug reactions and the environmental influence. Clin Rev Allergy Immunol 2014; 45:1-5. [PMID: 23842719 DOI: 10.1007/s12016-013-8381-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Allergy and clinical immunology are examples of areas of knowledge in which working hypotheses are dominant over mechanistic understanding. As such, sometimes scientific efforts follow major streams and overlook some epidemiologically prevalent conditions that thus become underestimated by the research community. For this reason, we welcome the present issue of Clinical Reviews in Allergy and Immunology that is dedicated to uncommon themes in clinical immunology and allergy. First, comprehensive discussions are provided for allergy phenomena of large potential impact in clinical practice such as reactions to cephalosporins or aspirin-induced asthma and in everyday life such as allergies to food additives or legumes. Further, the issue addresses other uncommon themes such as urticaria and angioedema, cercarial dermatitis, or late-onset inflammation to soft tissue fillers. Last, there will be discussion on transversal issues such as olfactory defects in autoimmunity, interleukin 1 beta pathway, and the search for new serological markers in chronic inflammation. As a result, we are convinced that this issue will be of help to clinicians involved in internal medicine as well as to allergists and clinical immunologists. More importantly, we are convinced that these discussions will be of interest also to basic scientists for the numerous translational implications.
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