1
|
Assawatheptawee K, Sowanna N, Treebupachatsakul P, Na-Udom A, Luangtongkum T, Niumsup PR. Presence and characterization of bla NDM-1-positive carbapenemase-producing Klebsiella pneumoniae from outpatients in Thailand. J Microbiol Immunol Infect 2023:S1684-1182(23)00037-3. [PMID: 36813624 DOI: 10.1016/j.jmii.2023.01.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 11/15/2022] [Accepted: 01/20/2023] [Indexed: 02/10/2023]
Abstract
BACKGROUND Presently, community-associated carbapenemase-producing Enterobacterales (CPE) remains largely unknown and require public attention. This study aimed to investigate the presence of CPE from outpatients in Thailand. METHODS Non-duplicate stool (n = 886) and urine (n = 289) samples were collected from outpatients with diarrhea and urinary tract infection, respectively. Demographic data and characteristics of patients were collected. Isolation of CPE was performed by plating enrichment culture on agar supplemented with meropenem. Carbapenemase genes were screened by PCR and sequencing. CPE isolates were phenotypically and genotypically characterized. RESULTS Fifteen samples (1.3%, 14 stool and 1 urine) yielded blaNDM-1-positive carbapenemase-producing Klebsiella pneumoniae (CPKP). Additional resistance to colistin and tigecycline was observed in 53.3% and 46.7% of isolates, respectively. Age >60 years was identified as a risk factor for patients with CPKP (P < 0.001, adjusted odds ratio = 11.500, 95% confidence interval = 3.223-41.034). Pulsed field gel electrophoresis revealed genetic diversity of CPKP isolates; however, clonal spread has been observed. ST70 (n = 4) was common, followed by ST147 (n = 3). blaNDM-1 from all isolates were transferable and mainly resided on IncA/C plasmid (80%). All blaNDM-1 plasmids remained stable in bacterial host for at least 10 days in antibiotic-free environments, regardless of replicon types. CONCLUSION This study demonstrates that the prevalence of CPE among outpatients in Thailand remains low and the spread of blaNDM-1-positive CPKP may be driven by IncA/C plasmid. Our results emphasize the need for a large-scale surveillance study to limit further spread of CPE in community.
Collapse
Affiliation(s)
- Kanit Assawatheptawee
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Non Sowanna
- Department of Family Medicine, Faculty of Medicine, Naresuan University, Phitsanulok, 65000, Thailand
| | | | - Anamai Na-Udom
- Department of Mathematics, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Taradon Luangtongkum
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pannika R Niumsup
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand; Center of Excellence in Medical Biotechnology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand.
| |
Collapse
|
2
|
Misawa N, Yasui K, Sakai K, Kobayashi T, Nagahama H, Haraguchi T, Sasaki S, Torrung V, Luangtongkum T, Taniguchi T, Yamada K, Minamimagari M, Usami T, Kinoshita H. Fine Particle Adsorption Capacity of Volcanic Soil from Southern Kyushu, Japan. Nanomaterials (Basel) 2023; 13:568. [PMID: 36770529 PMCID: PMC9921741 DOI: 10.3390/nano13030568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 01/24/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
"Akahoya" is a volcanic soil classified as a special soil deposited in Kyushu, Japan. Many of its properties are not yet clearly understood. We found that Akahoya had the potential to adsorb bacteria in cattle feces, which prompted us to investigate its material properties and perform experiments to comprehensively evaluate its adsorption performance for various fine particles such as acidic and basic dyes, NOx/SOx gas, and phosphoric acid ions, in addition to bacteria. Akahoya had a very high specific surface area owing to the large number of nanometer-sized pores in its structure; it exhibited a high adsorption capacity for both NO2 and SO2. Regarding the zeta potential of Akahoya, the point of zero charge was approximately pH 7.0. The surface potential had a significant effect on the adsorption of acidic and basic dyes. Akahoya had a very high cation exchange capacity when the sample surface was negatively charged and a high anion exchange capacity when the sample surface was positively charged. Akahoya also exhibited a relatively high adsorption capacity for phosphoric acid because of its high level of Al2O3, and the immersion liquid had a very high Al ion concentration. Finally, filtration tests were performed on Escherichia coli suspension using a column filled with Akahoya or another volcanic soil sample. The results confirmed that the Escherichia coli adhered on the Akahoya sample. The results of the Escherichia coli release test, after the filtration test, suggested that this adhesion to Akahoya could be phosphorus-mediated.
Collapse
Affiliation(s)
- Naoaki Misawa
- Center for Animal Disease Control, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Kentaro Yasui
- National Institute of Technology, Kagoshima College, 1460-1 Shinko, Hayato-cho, Kirishima 899-5193, Japan
| | - Kentaro Sakai
- Organization for Promotion of Research and Industry-Academic Regional Collaboration, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Taichi Kobayashi
- Organization for Promotion of Research and Industry-Academic Regional Collaboration, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Hideki Nagahama
- Organization for Promotion of Research and Industry-Academic Regional Collaboration, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Tomohiro Haraguchi
- Department of Engineering, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Satomi Sasaki
- Center for Animal Disease Control, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Vetchapitak Torrung
- Center for Animal Disease Control, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Taradon Luangtongkum
- Department of Veterinary Public Health, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand
| | - Takako Taniguchi
- Center for Animal Disease Control, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Kentaro Yamada
- Department of Veterinary Science, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Makoto Minamimagari
- Nanken Kogyo Co., Ltd., 5629-2 Yamada-Karuishi, Yamada-cho, Miyakonojo 889-4601, Japan
| | - Toshihiro Usami
- Graduate School of Engineering, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Hiroyuki Kinoshita
- Department of Engineering, University of Miyazaki, 1-1 Gakuen-Kibanadai-Nishi, Miyazaki 889-2192, Japan
| |
Collapse
|
3
|
Assawatheptawee K, Treebupachatsakul P, Luangtongkum T, Niumsup PR. Risk Factors for Community-Acquired Urinary Tract Infections Caused by Multidrug-Resistant Enterobacterales in Thailand. Antibiotics (Basel) 2022; 11:antibiotics11081039. [PMID: 36009908 PMCID: PMC9405395 DOI: 10.3390/antibiotics11081039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/25/2022] [Accepted: 07/29/2022] [Indexed: 02/01/2023] Open
Abstract
The dissemination of multidrug-resistant Enterobacterales (MDRE) in community settings is becoming a great concern. This study aimed to assess the incidence and risk factors associated with community-acquired urinary tract infections (CA-UTIs) caused by MDRE. A prospective case−control study was undertaken among patients with UTIs visiting an outpatient department in Phitsanulok Province, Thailand. Urine samples were collected and screened to include only patients with Enterobacterales infections. Risk factors were analyzed by multivariate logistic regression analysis. Of the 284 patients with CA-UTIs, 25.7% (n = 73) and 74.3% (n = 211) were positive for MDRE (case) and non-MDRE (control), respectively. Being a farmer was identified as an independent risk factor for MDRE-associated CA-UTIs (adjusted odds ratio = 3.101; 95% confidence interval = 1.272−7.564; p = 0.013). A total of 309 Enterobacterales isolates were recovered, and Escherichia coli was the most frequently detected (86.4%). The highest resistance rate was observed for ampicillin (67.0%), followed by ciprofloxacin (34.0%) and cotrimoxazole (32.7%), while resistance to third-generation cephalosporins (cefotaxime, ceftriaxone) and levofloxacin remained <20%. Resistance to ampicillin−gentamicin−cotrimoxazole was the most common pattern among MDRE isolates. Interestingly, we detected a colistin-resistant Enterobacter cloacae harboring mcr-9 (colistin MIC = 16 µg/mL). mcr-9 was transferable at high frequency (4.5 × 10−4) and resided on IncF plasmid. This study demonstrates that being a farmer is a risk factor for MDRE-associated CA-UTIs. Interestingly, this is the first report to identify mcr-9-positive E. cloacae from a Thai patient in the community.
Collapse
Affiliation(s)
- Kanit Assawatheptawee
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand;
| | | | - Taradon Luangtongkum
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Pannika R. Niumsup
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand;
- Center of Excellent in Medical Biotechnology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
- Correspondence: ; Tel.: +66-55-964612
| |
Collapse
|
4
|
Assawatheptawee K, Punyadi P, Luangtongkum T, Niumsup PR. Research Note: Longitudinal fecal shedding patterns and characterization of Salmonella enterica and mcr-positive Escherichia coli in meat-type ducks raised in an open-house system. Poult Sci 2022; 101:102090. [PMID: 36055024 PMCID: PMC9445369 DOI: 10.1016/j.psj.2022.102090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 07/23/2022] [Accepted: 07/25/2022] [Indexed: 11/30/2022] Open
Abstract
This longitudinal study aimed to determine the fecal shedding pattern and characterize Salmonella enterica and mcr-positive Escherichia coli from meat-type ducks raised in an open-house system in Thailand. Fecal samples (n = 1,475) were collected from ducks over a 6-month period. Overall, the detection rate of S. enterica was 5.4% and the highest fecal shedding rate was noted in 4-day-old ducklings (28.8%). Then, S. enterica shedding decreased to 10, 8, 4.7, and 0.7% when ducks reached the ages of 10 d, 17 d, 3 wk, and 4 wk, respectively. Seventy-nine isolates were recovered and Salmonella Amsterdam was the predominant serovar (79.7%). With respect to colistin-resistant E. coli, mcr-positive E. coli (colistin MICs = 8–16 μg/mL) was noted in ducks at the ages of 16 wk (6.0%) and 24 wk (18.7%). mcr-1 was the most common (75.7%), followed by mcr-3 (13.5%), and mcr-1 and mcr-3 co-carriage (10.8%). Most S. enterica isolates were susceptible to antibiotics and multidrug resistant (MDR) was found in only a single isolate. However, as many as 89.2% of mcr-positive E. coli were defined as MDR. Almost all S. enterica isolates (97.5–100%) carried several virulence genes involving in invasion, intracellular survival, and iron metabolism. Pulsed Field Gel Electrophoresis revealed that several mcr-positive E. coli isolates were clonally unrelated. Conjugative transfer of mcr-1, mcr-3 as well as co-transfer of mcr-1 and mcr-3 was observed with the frequencies ranging from 10−8 to 10−3. All mcr-1 resided on IncI2, while mcr-3 was associated with IncF and IncX4 plasmids. Our study provides the evidence of fecal shedding pattern of S. enterica and mcr-positive E. coli from meat-type ducks, highlighting the importance of duck farming in the dissemination of pathogenic bacteria that are potentially hazardous to human.
Collapse
Affiliation(s)
- Kanit Assawatheptawee
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Phiraphat Punyadi
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Taradon Luangtongkum
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pannika R Niumsup
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand; Center of Excellence in Medical Biotechnology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand.
| |
Collapse
|
5
|
Jeon B, Luangtongkum T, Shen Z, Logue CM, Lin J. Editorial: Resistance and Tolerance in Food-Borne Pathogens: Mechanisms, Public Health Impact, and Control Measures. Front Microbiol 2021; 12:769931. [PMID: 34721371 PMCID: PMC8551716 DOI: 10.3389/fmicb.2021.769931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 09/20/2021] [Indexed: 12/01/2022] Open
Affiliation(s)
- Byeonghwa Jeon
- Division of Environmental Health Sciences, School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | - Taradon Luangtongkum
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Zhangqi Shen
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory of Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Catherine M Logue
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Jun Lin
- Department of Animal Science, University of Tennessee, Knoxville, Knoxville, TN, United States
| |
Collapse
|
6
|
Sridapan T, Tangkawsakul W, Janvilisri T, Luangtongkum T, Kiatpathomchai W, Chankhamhaengdecha S. Rapid and simultaneous detection of Campylobacter spp. and Salmonella spp. in chicken samples by duplex loop-mediated isothermal amplification coupled with a lateral flow biosensor assay. PLoS One 2021; 16:e0254029. [PMID: 34197563 PMCID: PMC8248736 DOI: 10.1371/journal.pone.0254029] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 06/17/2021] [Indexed: 12/15/2022] Open
Abstract
Development of a simple, rapid and specific assay for the simultaneous detection of Campylobacter spp. and Salmonella spp. based on duplex loop-mediated isothermal amplification (d-LAMP), combined with lateral-flow biosensor (LFB) is reported herein. LAMP amplicons of both pathogens were simultaneously amplified and specifically differentiated by LFB. The specificity of the d-LAMP-LFB was evaluated using a set of 68 target and 12 non-target strains, showing 100% inclusivity and exclusivity. The assay can simultaneously detect Campylobacter and Salmonella strains as low as 1 ng and 100 pg genomic DNA per reaction, respectively. The lowest inoculated detection limits for Campylobacter and Salmonella species in artificially contaminated chicken meat samples were 103 CFU and 1 CFU per 25 grams, respectively, after enrichment for 24 h. Furthermore, compared to culture-based methods using field chicken meat samples, the sensitivity, specificity and accuracy of d-LAMP- LFB were 95.6% (95% CI, 78.0%-99.8%), 71.4% (95% CI, 29.0%-96.3%) and 90.0% (95% CI, 73.4%-97.8%), respectively. The developed d-LAMP-LFB assay herein shows great potentials for the simultaneous detection of the Campylobacter and Salmonella spp. and poses a promising alternative approach for detection of both pathogens with applications in food products.
Collapse
Affiliation(s)
- Thanawat Sridapan
- Graduate Program in Molecular Medicine, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Wanida Tangkawsakul
- Center of Nanoscience and Nanotechnology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Tavan Janvilisri
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Taradon Luangtongkum
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Wansika Kiatpathomchai
- Bioengineering and Sensing Technology Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | | |
Collapse
|
7
|
Vetchapitak T, Shinki T, Sasaki S, Taniguchi T, Luangtongkum T, Misawa N. Evaluation of chemical treatment combined with vacuum and ultrasonication with a water resonance system for reducing Campylobacter on naturally contaminated chicken carcasses. Food Control 2020. [DOI: 10.1016/j.foodcont.2020.107087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
|
8
|
Bitrus A, Chuanchuen R, Luangtongkum T. Emergence of colistin resistance in extended-spectrum beta lactamase producing Enterobacteriaceae isolated from food animals and its public health implication: A review. J Adv Vet Anim Res 2018. [DOI: 10.5455/javar.2018.e246] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
|
9
|
Prachantasena S, Charununtakorn P, Muangnoicharoen S, Hankla L, Techawal N, Chaveerach P, Tuitemwong P, Chokesajjawatee N, Williams N, Humphrey T, Luangtongkum T. Climatic factors and prevalence of Campylobacter in commercial broiler flocks in Thailand. Poult Sci 2017; 96:980-985. [PMID: 28339543 DOI: 10.3382/ps/pew364] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 08/29/2016] [Indexed: 12/15/2022] Open
Abstract
Campylobacter are bacteria associated with human foodborne disease worldwide. Poultry and poultry products are generally considered as a main source of these organisms. Compared to temperate zones, baseline information on Campylobacter in tropical regions is limited. Thus, the objectives of the present study were 1) to determine the prevalence of Campylobacter in Thai broiler flocks and 2) to investigate the association between climatic factors (i.e., rainfall, ambient temperature, and relative humidity) and Campylobacter colonization status of broiler flocks in Thailand. A total of 442 commercial broiler flocks reared in the central and northeastern regions of Thailand during 2012 to 2014 were investigated. Campylobacter positive status was identified in 252 examined flocks (57.01%; 95% CI 52.39 to 61.63%). Prevalence of Campylobacter in the northeastern region (54.46%; 95% CI 44.76 to 63.83%) was slightly lower than that of the central region (57.77%; 95% CI 52.47 to 62.90%). More than 65% of Campylobacter positive flocks in the central and northeastern regions had within-flock prevalence higher than 75%. Generalized estimating equations (GEE) revealed that the increased rainfall and relative humidity were associated with the increase of Campylobacter colonization in broiler flocks (P ≤ 0.05), while no relationship between ambient temperature and Campylobacter colonization status was identified.
Collapse
Affiliation(s)
- S Prachantasena
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - P Charununtakorn
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - S Muangnoicharoen
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - L Hankla
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - N Techawal
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - P Chaveerach
- Department of Veterinary Public Health, Faculty of Veterinary Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - P Tuitemwong
- Department of Microbiology, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
| | - N Chokesajjawatee
- National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency, Pathumthani, Thailand
| | - N Williams
- Institute of Infection and Global Health, University of Liverpool, Liverpool, United Kingdom
| | - T Humphrey
- School of Medicine, Swansea University, Singleton Park, Swansea, United Kingdom
| | - T Luangtongkum
- Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Research Unit in Microbial Food Safety and Antimicrobial Resistance, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| |
Collapse
|
10
|
Luangtongkum T, Jeon B, Han J, Plummer P, Logue CM, Zhang Q. Antibiotic resistance in Campylobacter: emergence, transmission and persistence. Future Microbiol 2009; 4:189-200. [PMID: 19257846 DOI: 10.2217/17460913.4.2.189] [Citation(s) in RCA: 356] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Campylobacter is a leading foodborne bacterial pathogen, which causes gastroenteritis in humans. This pathogenic organism is increasingly resistant to antibiotics, especially fluoroquinolones and macrolides, which are the most frequently used antimicrobials for the treatment of campylobacteriosis when clinical therapy is warranted. As a zoonotic pathogen, Campylobacter has a broad animal reservoir and infects humans via contaminated food, water or milk. Antibiotic usage in both animal agriculture and human medicine, can influence the development of antibiotic-resistant Campylobacter. This review will describe the trend in fluoroquinolone and macrolide resistance in Campylobacter, summarize the mechanisms underlying the resistance to various antibiotics and discuss the unique features associated with the emergence, transmission and persistence of antibiotic-resistant Campylobacter. Special attention will be given to recent findings and emphasis will be placed on Campylobacter resistance to fluoroquinolones and macrolides. A future perspective on antibiotic resistance and potential approaches for the control of antibiotic-resistant Campylobacter, will also be discussed.
Collapse
Affiliation(s)
- Taradon Luangtongkum
- Department of Veterinary Microbiology & Preventive Medicine, 1116 Veterinary Medicine Complex, Iowa State University, Ames, IA 500111, USA.
| | | | | | | | | | | |
Collapse
|
11
|
Luangtongkum T, Morishita TY, Martin L, Choi I, Sahin O, Zhang Q. Prevalence of tetracycline-resistant Campylobacter in organic broilers during a production cycle. Avian Dis 2008; 52:487-90. [PMID: 18939640 DOI: 10.1637/8181-112807-resnote.1] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Tetracycline (tet) resistance in Campylobacter isolated from organically raised broilers was investigated in this study. Two hundred forty-five samples from an organic broiler farm were collected weekly from the first week to the end of the production cycle, and they were cultured for thermophilic Campylobacter. Tetracycline resistance of these Campylobacter isolates was identified by the agar dilution method, whereas DNA fingerprinting profiles of tet-susceptible and tet-resistant strains were determined by pulsed-field gel electrophoresis (PFGE). None of the Campylobacter isolates from the third and the fourth week of the production period were resistant to tetracycline, whereas 66.7% of the isolates from the fifth week were resistant to this antibiotic. Although the prevalence of tetracycline resistance reached 100.0% during the sixth and seventh week, less than 34.0% of the isolates from the 10th week were resistant to this antimicrobial agent. In addition, only 13.8% of Campylobacter isolates from the intestinal tracts of these organically raised broilers were resistant to tetracycline. The presence of the tet(O) gene was detected in 98.9% of tet-resistant Campylobacter isolates, and tet-susceptible and tet-resistant Campylobacter strains showed distinct PFGE genotypes. The results suggest that the Campylobacter strains isolated from the early stage of the production were susceptible to tetracycline, but they were subsequently displaced by tet-resistant Campylobacter.
Collapse
Affiliation(s)
- Taradon Luangtongkum
- Department of Veterinary Preventive Medicine, The Ohio State University, 1920 Coffey Road, Columbus, OH 43210, USA
| | | | | | | | | | | |
Collapse
|
12
|
Luangtongkum T, Morishita TY, El-Tayeb AB, Ison AJ, Zhang Q. Comparison of antimicrobial susceptibility testing of Campylobacter spp. by the agar dilution and the agar disk diffusion methods. J Clin Microbiol 2006; 45:590-4. [PMID: 17122005 PMCID: PMC1829028 DOI: 10.1128/jcm.00986-06] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The correlation and the level of agreement between the standardized agar dilution and the agar disk diffusion methods for antimicrobial susceptibility testing of Campylobacter were investigated. A high-level agreement between the two methods was evident for aminoglycosides and fluoroquinolones, while a low-level agreement was observed for other antibiotics.
Collapse
Affiliation(s)
- Taradon Luangtongkum
- Department of Veterinary Preventive Medicine, The Ohio State University, Columbus, Ohio 43210, USA
| | | | | | | | | |
Collapse
|
13
|
Luangtongkum T, Morishita TY, Ison AJ, Huang S, McDermott PF, Zhang Q. Effect of conventional and organic production practices on the prevalence and antimicrobial resistance of Campylobacter spp. in poultry. Appl Environ Microbiol 2006; 72:3600-7. [PMID: 16672508 PMCID: PMC1472326 DOI: 10.1128/aem.72.5.3600-3607.2006] [Citation(s) in RCA: 157] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Intestinal tracts of broilers and turkeys from 10 conventional broiler farms and 10 conventional turkey farms, where antimicrobials were routinely used, and from 5 organic broiler farms and 5 organic turkey farms, where antimicrobials had never been used, were collected and cultured for Campylobacter species. A total of 694 Campylobacter isolates from the conventional and organic poultry operations were tested for antimicrobial resistance to nine antimicrobial agents by the agar dilution method. Although Campylobacter species were highly prevalent in both the conventional and organic poultry operations, the antimicrobial resistance rates were significantly different between the organic operations and the conventional operations. Less than 2% of Campylobacter strains isolated from organically raised poultry were resistant to fluoroquinolones, while 46% and 67% of Campylobacter isolates from conventionally raised broilers and conventionally raised turkeys, respectively, were resistant to these antimicrobials. In addition, a high frequency of resistance to erythromycin (80%), clindamycin (64%), kanamycin (76%), and ampicillin (31%) was observed among Campylobacter isolates from conventionally raised turkeys. None of the Campylobacter isolates obtained in this study was resistant to gentamicin, while a large number of the isolates from both conventional and organic poultry operations were resistant to tetracycline. Multidrug resistance was observed mainly among Campylobacter strains isolated from the conventional turkey operation (81%). Findings from this study clearly indicate the influence of conventional and organic poultry production practices on antimicrobial resistance of Campylobacter on poultry farms.
Collapse
Affiliation(s)
- Taradon Luangtongkum
- Department of Veterinary Preventive Medicine, Ohio State University, 1920 Coffey Road, Columbus, OH 43210, USA
| | | | | | | | | | | |
Collapse
|
14
|
Huang S, Luangtongkum T, Morishita TY, Zhang Q. Molecular typing of Campylobacter strains using the cmp gene encoding the major outer membrane protein. Foodborne Pathog Dis 2005; 2:12-23. [PMID: 15992295 DOI: 10.1089/fpd.2005.2.12] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Thermophilic Campylobacter, particularly Campylobacter jejuni, is one of the major foodborne human pathogens of animal origin. Reliable and sensitive typing tools are required for understanding the epidemiology and ecology of this zoonotic bacteria agent. Currently, several molecular typing methods are available for differentiating Campylobacter strains, but each of them has limitations. Our previous study revealed that considerable sequence polymorphism exists in the cmp gene encoding the major outer membrane protein of Campylobacter and suggested that sequence variation of cmp may be utilized for discrimination of Campylobacter strains. In this study, we evaluated the feasibility of the cmp-based typing tool, using pulsed-field gel electrophoresis (PFGE) as the "gold" standard for comparison. The cmp alleles were sequenced from multiple Campylobacter strains, grouped, and compared with the PFGE profiles of these strains using Bionumerics. Results showed that 43 cmp sequence types and 43 PFGE types existed among the 60 Campylobacter isolates. Typeability of these strains is 100% using either the cmp-based method or PFGE. The discrimination indices are 0.973 for the cmp-based method and 0.969 for PFGE, respectively. The cmp sequence types are 77.6% congruent with the PFGE types. These results indicate that the cmp-based typing is a simple, yet highly discriminatory approach for molecular differentiation of C. jejuni strains.
Collapse
Affiliation(s)
- Shouxiong Huang
- Food Animal Health Research Program, Ohio Agriculture Research and Development Center, The Ohio State University, Wooster, Ohio, USA
| | | | | | | |
Collapse
|