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Skof A, Koller M, Baumert R, Hautz J, Treiber F, Kittinger C, Zarfel G. Comparison of the Antibiotic Resistance of Escherichia coli Populations from Water and Biofilm in River Environments. Pathogens 2024; 13:171. [PMID: 38392909 PMCID: PMC10891912 DOI: 10.3390/pathogens13020171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/07/2024] [Accepted: 02/12/2024] [Indexed: 02/25/2024] Open
Abstract
Antibiotic-resistant, facultative pathogenic bacteria are commonly found in surface water; however, the factors influencing the spread and stabilization of antibiotic resistance in this habitat, particularly the role of biofilms, are not fully understood. The extent to which bacterial populations in biofilms or sediments exacerbate the problem for specific antibiotic classes or more broadly remains unanswered. In this study, we investigated the differences between the bacterial populations found in the surface water and sediment/biofilm of the Mur River and the Drava River in Austria. Samples of Escherichia coli were collected from both the water and sediment at two locations per river: upstream and downstream of urban areas that included a sewage treatment plant. The isolates were subjected to antimicrobial susceptibility testing against 21 antibiotics belonging to seven distinct classes. Additionally, isolates exhibiting either extended-spectrum beta-lactamase (ESBL) or carbapenemase phenotypes were further analyzed for specific antimicrobial resistance genes. E. coli isolates collected from all locations exhibited resistance to at least one of the tested antibiotics; on average, isolates from the Mur and Drava rivers showed 25.85% and 23.66% resistance, respectively. The most prevalent resistance observed was to ampicillin, amoxicillin-clavulanic acid, tetracycline, and nalidixic acid. Surprisingly, there was a similar proportion of resistant bacteria observed in both open water and sediment samples. The difference in resistance levels between the samples collected upstream and downstream of the cities was minimal. Out of all 831 isolates examined, 13 were identified as carrying ESBL genes, with 1 of these isolates also containing the gene for the KPC-2 carbapenemase. There were no significant differences between the biofilm (sediment) and open water samples in the occurrence of antibiotic resistance. For the E. coli populations in the examined rivers, the different factors in water and the sediment do not appear to influence the stability of resistance. No significant differences in antimicrobial resistance were observed between the bacterial populations collected from the biofilm (sediment) and open-water samples in either river. The different factors in water and the sediment do not appear to influence the stability of resistance. The minimal differences observed upstream and downstream of the cities could indicate that the river population already exhibits generalized resistance.
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Affiliation(s)
- Aline Skof
- Institute of Molecular Biosciences, University of Graz, 8010 Graz, Austria; (A.S.); (F.T.)
| | - Michael Koller
- Diagnostic and Research Center for Molecular Biomedicine, Medical University of Graz, 8010 Graz, Austria; (M.K.); (R.B.); (J.H.); (C.K.)
| | - Rita Baumert
- Diagnostic and Research Center for Molecular Biomedicine, Medical University of Graz, 8010 Graz, Austria; (M.K.); (R.B.); (J.H.); (C.K.)
| | - Jürgen Hautz
- Diagnostic and Research Center for Molecular Biomedicine, Medical University of Graz, 8010 Graz, Austria; (M.K.); (R.B.); (J.H.); (C.K.)
| | - Fritz Treiber
- Institute of Molecular Biosciences, University of Graz, 8010 Graz, Austria; (A.S.); (F.T.)
| | - Clemens Kittinger
- Diagnostic and Research Center for Molecular Biomedicine, Medical University of Graz, 8010 Graz, Austria; (M.K.); (R.B.); (J.H.); (C.K.)
| | - Gernot Zarfel
- Diagnostic and Research Center for Molecular Biomedicine, Medical University of Graz, 8010 Graz, Austria; (M.K.); (R.B.); (J.H.); (C.K.)
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Misumi W, Magome A, Okuhama E, Uchimura E, Tamamura-Andoh Y, Watanabe Y, Kusumoto M. CTX-M-55-type ESBL-producing fluoroquinolone-resistant Escherichia coli sequence type 23 repeatedly caused avian colibacillosis in Kagoshima Prefecture, Japan. J Glob Antimicrob Resist 2023; 35:325-331. [PMID: 37918785 DOI: 10.1016/j.jgar.2023.10.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 10/03/2023] [Accepted: 10/21/2023] [Indexed: 11/04/2023] Open
Abstract
OBJECTIVES The production of expanded-spectrum beta-lactamases (ESBLs) and fluoroquinolone resistance in Enterobacteriaceae has become a global concern. The aim of this study was to investigate the spread of ESBL-producing and fluoroquinolone-resistant avian pathogenic Escherichia coli (APEC) in Kagoshima, a prefecture with the largest amount of poultry in Japan. METHODS The antimicrobial susceptibility and genetic characteristics of 228 APEC strains isolated from 57 farms in Kagoshima Prefecture, Japan, between 2005 and 2017 were analysed. Information about the companies with hatcheries connected to the farms was also collected, and the epidemiologic relatedness of APEC strains and the processes of adopting chicks were compared. RESULTS Seven CTX-M-type ESBL genes, blaCTX-M-1, blaCTX-M-2, blaCTX-M-14, blaCTX-M-15, blaCTX-M-25, blaCTX-M-55, and blaCTX-M-65, were found in 60 (26.3%) of the 228 APEC strains. The ciprofloxacin-resistant strains belonged to 10 different sequence types (ST10, ST23, ST93, ST155, ST156, ST350, ST359, ST602, ST648, and ST9479), and the two ST602 strains showed remarkably high ciprofloxacin resistance (MIC: 128 µg/mL) and had amino acid mutations in GyrA (S83L and D87N), ParC (S80I), and ParE (E460A). A CTX-M-55-type ESBL-producing fluoroquinolone-resistant Og78-ST23 strain was isolated multiple times over two years on a farm. Furthermore, epidemiologically closely related strains were isolated from different farms that used the same common hatcheries. CONCLUSIONS APEC is often transferred from hatcheries to farms via healthy chicks, and the prudent use of antimicrobials and careful monitoring of resistant strains on poultry farms and hatcheries are important in preventing the selection and spread of high-risk APEC strains such as CTX-M-55-type ESBL-producing Og78-ST23.
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Affiliation(s)
- Wakako Misumi
- Kagoshima Central Livestock Hygiene Service Center, Hioki, Kagoshima, Japan; Soo Livestock Hygiene Service Center, Shibushi, Kagoshima, Japan
| | - Asami Magome
- Kagoshima Central Livestock Hygiene Service Center, Hioki, Kagoshima, Japan
| | - Erina Okuhama
- Miyazaki Livestock Hygiene Service Center, Sadowara, Miyazaki, Japan
| | - Eriko Uchimura
- Kagoshima Central Livestock Hygiene Service Center, Hioki, Kagoshima, Japan; Kimotsuki Livestock Hygiene Service Center, Kanoya, Kagoshima, Japan
| | - Yukino Tamamura-Andoh
- Division of Zoonosis Research, National Institute of Animal Health, National Agriculture and Food Research Organization, Tsukuba, Ibaraki, Japan
| | - Yoichiro Watanabe
- Kagoshima Central Livestock Hygiene Service Center, Hioki, Kagoshima, Japan
| | - Masahiro Kusumoto
- Division of Zoonosis Research, National Institute of Animal Health, National Agriculture and Food Research Organization, Tsukuba, Ibaraki, Japan; Graduate School of Veterinary Science, Osaka Metropolitan University, Izumisano, Osaka, Japan.
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Wang W, Wei X, Arbab S, Wu L, Lu N, Zhu Q, Bai Y, Zhang J. Multidrug-Resistant Escherichia coli Isolate of Chinese Bovine Origin Carrying the blaCTX-M-55 Gene Located in IS 26-Mediated Composite Translocatable Units. Microorganisms 2023; 11:2795. [PMID: 38004806 PMCID: PMC10673294 DOI: 10.3390/microorganisms11112795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/09/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
Elevated detection rates of the blaCTX-M-55 gene in animals have been reported as a result of antibiotic misuse in clinics. To investigate the horizontal transfer mechanism of blaCTX-M-55 and its associated mobile genetic elements (MGEs), we isolated 318 nonrepetitive strains of Escherichia coli (E. coli) from bovine samples in Xinjiang and Gansu provinces, China. All E. coli strains were screened for the CTX-M-55 gene using PCR. The complete genomic data were sequenced using the PacBio triplet sequencing platform and corrected using the Illumina data platform. The genetic environment of the plasmids carrying the resistance blaCTX-M-55 gene was mapped using the software Easyfig2.2.3 for comparison. The results showed that all blaCTX-M-55-positive strains were resistant to multiple antibiotics. Five strains of Escherichia coli carry the blaCTX-M-55 gene, which is adjacent to other resistance genes and is located on the IncHI2-type plasmid. Four of the five blaCTX-M-55-harbor strains carried translocatable units (TUs). All the donor bacteria carrying the blaCTX-M-55 genes could transfer horizontally to the recipient (E. coli J53 Azr). This study demonstrates that the transmission of blaCTX-M-55 is localized on IS26-flanked composite transposons. The cotransmission and prevalence of blaCTX-M-55 with other MDR resistance genes on epidemic plasmids require enhanced monitoring and control.
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Affiliation(s)
- Weiwei Wang
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Xiaojuan Wei
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Safia Arbab
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Lingyu Wu
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Ningning Lu
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Qiqi Zhu
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Yubin Bai
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Jiyu Zhang
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou 730050, China; (W.W.); (X.W.); (S.A.); (L.W.); (N.L.); (Q.Z.); (Y.B.)
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou 730050, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
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Paulitsch-Fuchs AH, Melchior N, Haitzmann T, Fingerhut T, Feierl G, Baumert R, Kittinger C, Zarfel G. Analysis of Extended Spectrum Beta Lactamase (ESBL) Genes of Non-Invasive ESBL Enterobacterales in Southeast Austria in 2017. Antibiotics (Basel) 2022; 12:antibiotics12010001. [PMID: 36671202 PMCID: PMC9854808 DOI: 10.3390/antibiotics12010001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/12/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Extended spectrum beta lactamases producing Enterobacteriaceae are a major player in the antibiotic resistance challenge. In general, the situation regarding antibiotic resistance in Austria is very good compared to many other countries. Perhaps this is why there is a lack of data on the distribution of ESBL genes in the clinical setting. The aim of this study was to collect data on ESBL genes from a larger sample of human non-invasive clinical isolates from one region in Austria. In total, 468 isolates from different sample materials isolated at the Medical University of Graz from 2017 were examined. The most frequent organisms were Escherichia coli and Klebsiella pneumoniae. Among the enzymes produced, CTX-M-15 was clearly dominant, exotic ESBLs were only represented by three Proteus mirabilis isolates harboring genes for VEB-6 and one P. mirabilis for CTX-M-2, respectively. Compared to other countries, the results are in line with the expectations. The data help to better classify the many studies from the non-clinical field in Austria and to shift the focus slightly away from the exotic results and sample sites.
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Affiliation(s)
- Astrid H. Paulitsch-Fuchs
- Biomedical Science, School of Health Sciences and Social Work, Carinthia University of Applied Sciences, St. Veiterstraße 47, 9020 Klagenfurt, Austria
- Diagnostic and Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
| | - Nadine Melchior
- Biomedical Science, School of Health Sciences and Social Work, Carinthia University of Applied Sciences, St. Veiterstraße 47, 9020 Klagenfurt, Austria
| | - Theresa Haitzmann
- Biomedical Science, School of Health Sciences and Social Work, Carinthia University of Applied Sciences, St. Veiterstraße 47, 9020 Klagenfurt, Austria
| | - Theres Fingerhut
- Biomedical Science, School of Health Sciences and Social Work, Carinthia University of Applied Sciences, St. Veiterstraße 47, 9020 Klagenfurt, Austria
| | - Gebhard Feierl
- Diagnostic and Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
| | - Rita Baumert
- Diagnostic and Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
| | - Clemens Kittinger
- Diagnostic and Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
| | - Gernot Zarfel
- Diagnostic and Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
- Correspondence:
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Resistance to extended-spectrum cephalosporins in Escherichia coli and Salmonella enterica isolated from food-producing animals: Ecological study from selected national surveillance programs. Prev Vet Med 2022; 206:105710. [PMID: 35839549 DOI: 10.1016/j.prevetmed.2022.105710] [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: 04/28/2022] [Revised: 06/30/2022] [Accepted: 07/04/2022] [Indexed: 11/24/2022]
Abstract
Extended-spectrum cephalosporins (ESC) are categorized by World Health Organization as critically important antimicrobials with limited therapeutic alternatives for the treatment of severe bacterial infections in humans. Preserving the effectiveness of ESC requires continuous monitoring of resistance and comparison of associated data across national surveillance programs in the face of globalization. In this ecological study, we compared ESC resistance in Escherichia coli and Salmonella enterica isolated from food-producing animals from 2003 to 2019 between nine countries (Canada, Denmark, Finland, Japan, Netherlands, Norway, Sweden, United Kingdom, and the United States). Using the beta-regression model, compared to Canada, non-selective ESC-R Salmonella enterica was less likely isolated from food producing animals in other eight countries (Odds ratio range: 0.07-0.76). We observed an interaction between the country and the year with a significantly decreased proportion (P < 0.05) of non-selective ESC-R Escherichia coli from the Netherlands, the United Kingdom, and the United States compared to Canada over the years. There was a linear correlation between non-selective ESC-R Escherichia coli and ESC use from Netherlands (Spearman's ρ = 0.91, P < 0.0001). For the six European countries, the interaction between the country and year showed a significant decrease in the proportion of selective ESC-R Escherichia coli over the years for the Netherlands compared to Denmark (P = 0.002). While there were variations in the proportion of beta-lactamase genes reported over the years, blaCTX-M and blaCMY-2 genes were commonly detected among the selective ESC-R Escherichia coli. This study reveals variability in the recovery of ESC-resistant bacteria among the countries that seems likely influenced by the individual country policy on the use of critically important antimicrobials and resistance surveillance programs. However, there is a need for harmonization and consistency in food animal sources of bacterial isolates used in surveillance programs within and between the countries for easy comparability.
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Plasmid and chromosomal copies of bla CMY-2 mediate resistance to third-generation cephalosporins in Escherichia coli from food animals in China. Vet Microbiol 2022; 271:109493. [PMID: 35728389 DOI: 10.1016/j.vetmic.2022.109493] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 05/17/2022] [Accepted: 06/10/2022] [Indexed: 11/22/2022]
Abstract
The use of antimicrobials in food animals is the major determinant for the propagation of resistant bacteria in the animal reservoir. The objective of this study was to investigate the presence and distribution of third-generation cephalosporin (3GC) -resistant and plasmid-mediated AmpC (pAmpC)-producing Escherichia coli isolated from food animals in Southern China. In total, 744 3GC-resistant and 40 blaCMY-2-positive E. coli strains were recovered from 1656 food animal fecal samples across five rearing regions. The blaCMY-2 genes were located on IncC, IncFIB or IncI1 type plasmids in 12 E. coli isolates. In the other 22 isolates, S1-PFGE and hybridization analyses revealed that the blaCMY-2 gene was chromosomally located and demonstrated a high prevalence of the chromosomally encoded blaCMY-2 gene in E. coli. Plasmid stability and growth curve experiments demonstrated that IncI1, IncC and IncFIB plasmids can exist stably in the host bacteria and with a low growth burden and may be the reason these plasmids can be widely disseminated in breeding environments. Whole genome sequencing indicated that ISEcp1 and IS1294 played important roles in blaCMY-2 transfer to both plasmids and the chromosome. Our study confirmed that blaCMY-2 mediated resistance of food animal-derived E. coli to 3GC and highlights the urgent need for appropriate monitoring programmes.
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Farouk SM, Abdel-Rahman HG, Abdallah OA, El-Behidy NG. Comparative immunomodulatory efficacy of rosemary and fenugreek against Escherichia coli infection via suppression of inflammation and oxidative stress in broilers. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:40053-40067. [PMID: 35112249 DOI: 10.1007/s11356-021-18358-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 12/23/2021] [Indexed: 06/14/2023]
Abstract
Broiler chickens are frequently infected with Escherichia coli (E. coli) bacteria, which often leads to the emergence of many diseases and high economic losses. Hence, the current study was conducted to assess the relative efficacy of dietary rosemary and fenugreek, under E. coli infection in broilers and their ability to replace antimicrobials without any loss of productivity or negative influence on broiler health, via evaluation of growth performance, biochemical indices, immune response and histo-morphological changes. Eighty Cobb broilers were allotted to four equal groups (n = 20 chicks/group): control non-infected (CN), control infected (CI), rosemary infected (RI) and fenugreek infected (FI) groups. The RI and FI groups revealed a significant elevation in their body weight and body weight gain compared with the CI group. However, both groups showed a significant decline in serum aspartate and alanine aminotransferase activities, as well as uric acid and creatinine levels. A significant decrease in total antioxidant capacity, catalase and superoxide dismutase activities was noted among CI chicks. Moreover, distinctly higher activities were evident in both RI and FI groups. Assessment of immunomodulatory markers showed a significant increase in immunoglobulin G along with a significant decline in interleukin-6 level in both RI and FI groups, with the lowest IL-6 value within FI group. Histopathological evaluations focused on the deleterious effect associated with E. coli infection of broilers' liver, kidney, intestine, spleen, bursa of Fabricius and thymus. Partial histological improvement was noticed among RI group, and nearly normal tissues were recorded in FI group. Overall, the obtained findings suggest the ability of fenugreek to mitigate the adverse effects of E. coli infection on broiler performance and tissue profiles, by improving the general health status of the broiler chickens.
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Affiliation(s)
- Sameh M Farouk
- Cytology and Histology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
| | - Haidy G Abdel-Rahman
- Clinical Pathology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
| | - Osama A Abdallah
- Clinical Pathology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
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Murase T, Ozaki H. Relationship between Phylogenetic Groups of Escherichia coli and Pathogenicity Among Isolates from Chickens with Colibacillosis and Healthy Chickens. Poult Sci 2022; 101:102007. [PMID: 35839553 PMCID: PMC9289869 DOI: 10.1016/j.psj.2022.102007] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/30/2022] [Accepted: 06/07/2022] [Indexed: 10/31/2022] Open
Abstract
Avian pathogenic Escherichia coli (APEC) is closely related to extraintestinal pathogenic E. coli, which are frequently assigned to specific phylogenetic groups (phylogroups). Therefore, we investigated the association between phylogroups of E. coli isolates and those recovered from commercial broiler and layer chickens with colibacillosis. We used 104 E. coli isolates from chickens with colibacillosis (hereafter referred to as “colibacillosis-related isolates”), 56 E. coli isolates obtained from fecal samples of clinically healthy broiler chickens, and 58 isolates obtained from environmental samples of layer chicken housing facilities where clinically healthy layer chickens were reared (hereafter referred to as “healthy chicken-related isolates”). The prevalence of phylogroup F among colibacillosis-related isolates was significantly (P < 0.05) higher than that among healthy chicken-related isolates, while phylogroups A and B1 were more frequently distributed in healthy chicken-related isolates. Fifty-seven (87%) of 65 colibacillosis-related isolates belonging to phylogroup F were defined as APEC based on the presence of virulence-associated genes according to a previously established criterion. In contrast, none of the healthy chicken-related isolates were defined as APEC. As evidenced by the chicken embryo lethality assay, 87 of the 92 healthy chicken-related isolates tested had embryo lethality rates of <30% and were considered avirulent, whereas 59 of the 104 colibacillosis-related isolates were considered virulent. Nonetheless, among isolates exhibiting embryo lethality rates of <30%, the mean lethality rate of embryos inoculated with colibacillosis-related isolates was significantly higher than that of embryos inoculated with healthy chicken-related isolates. These observations suggest that phylogroup F predicts colibacillosis among E. coli strains with virulence-associated genes.
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Aklilu E, Harun A, Singh KKB. Molecular characterization of bla NDM, bla OXA-48, mcr-1 and bla TEM-52 positive and concurrently carbapenem and colistin resistant and extended spectrum beta-lactamase producing Escherichia coli in chicken in Malaysia. BMC Vet Res 2022; 18:190. [PMID: 35590358 PMCID: PMC9118571 DOI: 10.1186/s12917-022-03292-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 05/05/2022] [Indexed: 11/25/2022] Open
Abstract
Background Antimicrobial resistance (AMR) is a global public health threat and the use of antibiotics growth promoters in food animals has been implicated as a potential contributing factor in the emergence and spread of AMR. This study was conducted to investigate colistin and carbapenem resistance and extended spectrum beta-lactamase producing E. coli from live broiler chicken and chicken meat in Kelantan, Malaysia. Results Among the E. coli isolates, 37.5% (27/72 were positive for at least one of the resistance genes and one isolate was positive for mcr-1, blaTEM-52, blaNDM and blaOXA-48 whereas 4.17% (3/72) and 2.78% (2/72) were positive for mcr-1, blaTEM-52 and blaOXA-48, and mcr-1, blaTEM-52 and blaIMP. Multilocus sequence typing (MLST) results revealed the presence of widespread E. coli strains belonging to the sequence types ST410 and ST155 and other extra-intestinal E. coli (ExPEC) strains. Phylogroup A made up the majority 51.85% (14/27) followed by phylogroup B1 22.22% (6/27). Conclusions The findings imply the potential threats of colistin, extended-spectrum beta-lactamase producing and carbapenem resistant E. coli in food animals to the public health and underscores the need for judicious use of antibiotics in animal production and good hygiene practices to curb the rising risks of AMR.
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Affiliation(s)
- Erkihun Aklilu
- Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Locked Box 36, Pengkalan Chepa, 16100, Kota Bharu, Kelantan, Malaysia. .,Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kota Bharu, Kelantan, Malaysia.
| | - Azian Harun
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kota Bharu, Kelantan, Malaysia.
| | - Kirnpal Kaur Banga Singh
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kota Bharu, Kelantan, Malaysia
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Kwoji ID, Aiyegoro OA, Okpeku M, Adeleke MA. Multi-Strain Probiotics: Synergy among Isolates Enhances Biological Activities. BIOLOGY 2021; 10:322. [PMID: 33924344 PMCID: PMC8070017 DOI: 10.3390/biology10040322] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/19/2021] [Accepted: 02/09/2021] [Indexed: 12/13/2022]
Abstract
The use of probiotics for health benefits is becoming popular because of the quest for safer products with protective and therapeutic effects against diseases and infectious agents. The emergence and spread of antimicrobial resistance among pathogens had prompted restrictions over the non-therapeutic use of antibiotics for prophylaxis and growth promotion, especially in animal husbandry. While single-strain probiotics are beneficial to health, multi-strain probiotics might be more helpful because of synergy and additive effects among the individual isolates. This article documents the mechanisms by which multi-strain probiotics exert their effects in managing infectious and non-infectious diseases, inhibiting antibiotic-resistant pathogens and health improvement. The administration of multi-strain probiotics was revealed to effectively alleviate bowel tract conditions, such as irritable bowel syndrome, inhibition of pathogens and modulation of the immune system and gut microbiota. Finally, while most of the current research focuses on comparing the effects of multi-strain and single-strain probiotics, there is a dearth of information on the molecular mechanisms of synergy among multi-strain probiotics isolates. This forms a basis for future research in the development of multi-strain probiotics for enhanced health benefits.
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Affiliation(s)
- Iliya D. Kwoji
- Discipline of Genetics, School of Life Sciences, Westville Campus, University of KwaZulu-Natal, Durban 4000, South Africa; (I.D.K.); (M.O.)
| | - Olayinka A. Aiyegoro
- Gastrointestinal Microbiology and Biotechnology Unit, Agricultural Research Council-Animal Production, Irene 0062, South Africa;
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom 2520, South Africa
| | - Moses Okpeku
- Discipline of Genetics, School of Life Sciences, Westville Campus, University of KwaZulu-Natal, Durban 4000, South Africa; (I.D.K.); (M.O.)
| | - Matthew A. Adeleke
- Discipline of Genetics, School of Life Sciences, Westville Campus, University of KwaZulu-Natal, Durban 4000, South Africa; (I.D.K.); (M.O.)
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11
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Sabry Abd Elraheam Elsayed M, Shehata AA, Mohamed Ammar A, Allam TS, Ali AS, Ahmed RH, Abeer Mohammed AB, Tarabees R. The beneficial effects of a multistrain potential probiotic, formic, and lactic acids with different vaccination regimens on broiler chickens challenged with multidrug-resistant Escherichia coli and Salmonella. Saudi J Biol Sci 2021; 28:2850-2857. [PMID: 34012326 PMCID: PMC8116971 DOI: 10.1016/j.sjbs.2021.02.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/24/2021] [Accepted: 02/01/2021] [Indexed: 11/25/2022] Open
Abstract
The effects of a multistrain potential probiotic (Protexin®), acids, and a bacterin from multidrug-resistant E. coli O26, O78, S. Enteritidis (1,9,12 g.m1,7), and S. Typhimurium (1,4,5,12.i.1,2) on the immune response, haematological parameters, cytokines, and growth parameters of broiler chickens challenged with bacterin live serotypes were investigated. Two experiments were designed using 300 one-day-old chicks (Arbor Acres) randomly assigned to 15 groups. The first experiment comprised 9 groups, including positive and negative control groups and other groups received Protexin®, acids, and the bacterin (0.2 ml/SC), either alone or in combination, on the 1st day. The second experiment contained 6 groups, including positive and negative control groups and other groups received a combination of Protexin®, acids, and the bacterin (0.5 ml/SC) on the 8th day. All the groups except the negative control groups were challenged on the 8th and 16th days in both experiments, respectively, with mixed live bacterin serotypes. The groups that received Protexin®, acids, and the bacterin either alone or in combination revealed significant improvements in the immune response to the bacterin (p ≤ 0.05). The groups in the 1st experiment and most the 2nd experiment groups showed a reduced mortality rate and decreased levels IFN-γ, IL-4, and IL-12 cytokines (p ≤ 0.05). Moreover, these groups demonstrated increases in haematological parameters and reduced rates of infection-caused anaemia. These groups showed significant increases in growth performance parameters, such as body weight, weight gain, and the feed conversion ratio (FCR) (p ≤ 0.05). There was a beneficial effect on 1-day-old chickens produced by combining Protexin®, acids, and the bacterin (0.2 ml/SC).
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Affiliation(s)
| | - Awad A Shehata
- Avian and Rabbit Diseases Department, Faculty of Veterinary Medicine, University of Sadat City, Sadat City, Egypt
| | - Ahmed Mohamed Ammar
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Egypt
| | - Tamer S Allam
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Sadat City, Egypt
| | - Abdallah S Ali
- Microbiology Department, Faculty of Agriculture, Cairo University, 12613 Giza, Egypt
| | - Rasha H Ahmed
- Microbiology Department, Faculty of Agriculture, Cairo University, 12613 Giza, Egypt
| | - A B Abeer Mohammed
- Department of Microbial Biotechnology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Egypt
| | - Reda Tarabees
- Department of Bacteriology, Mycology, and Immunology, Faculty of Veterinary Medicine, University of Sadat City, Menoufia 32897, Egypt
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12
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Zhang S, Abbas M, Rehman MU, Huang Y, Zhou R, Gong S, Yang H, Chen S, Wang M, Cheng A. Dissemination of antibiotic resistance genes (ARGs) via integrons in Escherichia coli: A risk to human health. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 266:115260. [PMID: 32717638 DOI: 10.1016/j.envpol.2020.115260] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 07/12/2020] [Accepted: 07/13/2020] [Indexed: 06/11/2023]
Abstract
With the induction of various emerging environmental contaminants such as antibiotic resistance genes (ARGs), environment is considered as a key indicator for the spread of antimicrobial resistance (AMR). As such, the ARGs mediated environmental pollution raises a significant public health concern worldwide. Among various genetic mechanisms that are involved in the dissemination of ARGs, integrons play a vital role in the dissemination of ARGs. Integrons are mobile genetic elements that can capture and spread ARGs among environmental settings via transmissible plasmids and transposons. Most of the ARGs are found in Gram-negative bacteria and are primarily studied for their potential role in antibiotic resistance in clinical settings. As one of the most common microorganisms, Escherichia coli (E. coli) is widely studied as an indicator carrying drug-resistant genes, so this article aims to provide an in-depth study on the spread of ARGs via integrons associated with E. coli outside clinical settings and highlight their potential role as environmental contaminants. It also focuses on multiple but related aspects that do facilitate environmental pollution, i.e. ARGs from animal sources, water treatment plants situated at or near animal farms, agriculture fields, wild birds and animals. We believe that this updated study with summarized text, will facilitate the readers to understand the primary mechanisms as well as a variety of factors involved in the transmission and spread of ARGs among animals, humans, and the environment.
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Affiliation(s)
- Shaqiu Zhang
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Muhammad Abbas
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, PR China; Livestock and Dairy Development Department Lahore, Punjab, 54000, Pakistan
| | - Mujeeb Ur Rehman
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Yahui Huang
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Rui Zhou
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Siyue Gong
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Hong Yang
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Shuling Chen
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Mingshu Wang
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Anchun Cheng
- Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, PR China.
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13
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Furlan JPR, da Silva Ferreira ME, Stehling EG. Genetic Diversity of Multidrug-Resistant CMY-Producing Escherichia coli from Feces and Soil in a Small-Scale Pig Farm. Microb Drug Resist 2020; 26:1365-1371. [PMID: 32379997 DOI: 10.1089/mdr.2020.0090] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Diarrheagenic Escherichia coli cause diarrheal diseases, which are a public health concern and affect mainly developing countries. Multidrug-resistant (MDR) pathogens have been spreading in different sources, including animals and the environment. E. coli strains were obtained from a small-scale pig farm and 33 antimicrobials were tested. All strains were classified as MDR and harbored several antimicrobial resistance genes (ARGs) [blaCMY, blaOXA-1-like, blaSHV, tet(A), tet(B), aadA, aac(6')-Ib, aph(3')-Ia, sul1, sul2, sul3, floR, and cmlA] and plasmids. Besides, mutations in quinolone resistance-determining region of GyrA (Ser83Leu and Asp87Asn) and ParC (Glu84Asp) were detected. Among the MDR E. coli, nine strains (52%) presented diarrheagenic virulence genes, including genes related to Shiga toxin-producing E. coli (STEC), enteroinvasive E. coli (EIEC), and enteroaggregative E. coli (EAEC). The pulsed-field gel electrophoresis results showed a high genetic diversity among the MDR E. coli strains. Multilocus sequence typing (MLST) analyses revealed different sequence types phylogenetically related to each other, including ST10 and ST56. Subtyping of MLST by fimH gene showed different fimH type. This study shows a high genetic diversity among MDR ARG-producing E. coli belonging to STEC, EIEC, and EAEC pathotypes obtained from a small-scale pig farm and contributes to the monitoring of antimicrobial-resistant pathogens worldwide, mainly in environmental samples, which are associated with One Health framework.
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Affiliation(s)
- João Pedro Rueda Furlan
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, Brazil
| | - Márcia Eliana da Silva Ferreira
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, Brazil
| | - Eliana Guedes Stehling
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, Brazil
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14
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Dantas Palmeira J, Ferreira HMN. Extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae in cattle production - a threat around the world. Heliyon 2020; 6:e03206. [PMID: 32042963 PMCID: PMC7002838 DOI: 10.1016/j.heliyon.2020.e03206] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 10/01/2019] [Accepted: 01/09/2020] [Indexed: 01/19/2023] Open
Abstract
Food producing animal is a global challenge in terms of antimicrobial resistance spread. Extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae are relevant opportunistic pathogens that may spread in many ecological niches of the One Health approach as human, animal and environment due to intestinal selection of antimicrobial resistant commensals in food production animals. Cattle production is a relevant ecological niche for selection of commensal bacteria with antimicrobial resistance from microbiota. Enterobacteriaceae show importance in terms of circulation of resistant-bacteria and antimicrobial resistance genes via food chain creating a resistance reservoir, setting up a threat for colonization of humans and consequent health risk. ESBL-producing Enterobacteriaceae are a threat in terms of human health responsible for life threatening outbreaks and silent enteric colonization of community populations namely the elder population. Food associated colonization is a risk difficult to handle and control. In a time of globalization of food trading, population intestinal colonization is a mirror of food production and in that sense this work aims to make a picture of ESBL-producing Enterobacteriaceae in animal production for food over the world in order to make some light in this reality of selection of resistant threats in food producing animal.
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Affiliation(s)
- Josman Dantas Palmeira
- Microbiology - Biological Sciences Department, Faculty of Pharmacy, University of Porto, Porto, Portugal.,UCIBIO - Research Unit on Applied Molecular Biosciences, REQUIMTE, Portugal
| | - Helena Maria Neto Ferreira
- Microbiology - Biological Sciences Department, Faculty of Pharmacy, University of Porto, Porto, Portugal.,UCIBIO - Research Unit on Applied Molecular Biosciences, REQUIMTE, Portugal
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15
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Wang K, Chen G, Cao G, Xu Y, Wang Y, Yang C. Effects of Clostridium butyricum and Enterococcus faecalis on growth performance, intestinal structure, and inflammation in lipopolysaccharide-challenged weaned piglets. J Anim Sci 2020; 97:4140-4151. [PMID: 31310662 DOI: 10.1093/jas/skz235] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 07/15/2019] [Indexed: 12/29/2022] Open
Abstract
This study was conducted to investigate the effects of Clostridium butyricum and Enterococcus faecalis on growth performance, immune function, inflammation-related pathways, and microflora community in weaned piglets challenged with lipopolysaccharide (LPS). One hundred and eighty 28-d-old weaned piglets were randomly divided into 3 treatments groups: piglets fed with a basal diet (Con), piglets fed with a basal diet containing 6 × 109 CFU C. butyricum·kg-1 (CB), and piglets fed with a basal diet containing 2 × 1010 CFU E. faecali·kg-1 (EF). At the end of trial, 1 pig was randomly selected from for each pen (6 pigs per treatment group) and these 18 piglets were orally challenged with LPS 25 μg·kg-1 body weight. The result showed that piglets fed C. butyricum and E. faecalis had greater final BW compared with the control piglets (P < 0.05). The C. butyricum and E. faecalis fed piglets had lower levels of serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), IL-1β, tumor inflammatory factor-α (TNF-α), and had greater level of serum interferon-γ (IFN-γ) than control piglets at 1.5 and 3 h after injection with LPS (P < 0.05). Furthermore, piglets in the C. butyricum or E. faecalis treatment groups had a greater ratio of jejunal villus height to crypt depth (V/C) compared with control piglets after challenge with LPS for 3 h (P < 0.05). Compared with the control treatment, the CB and EF treatments significantly decreased the expression of inflammation-related pathway factors (TLR4, MyD88, and NF-κB) after challenge with LPS for 3 h (P < 0.05). High-throughput sequencing revealed that C. butyricum and E. faecalis modulated bacterial diversity in the colon. The species richness and alpha diversity (Shannon) of bacterial samples in CB or EF piglets challenged with LPS were higher than those in LPS-challenged control piglets. Furthermore, the relative abundance of Bacteroidales-Rikenellanceae in the CB group was higher than that in the control group (P < 0.05), whereas EF piglets had a higher relative abundance of Lactobacillus amylovorus and Lactobacillus gasseri (P < 0.05). In conclusion, dietary supplementation with C. butyricum or E. faecalis promoted growth performance, improved immunity, relieved intestinal villus damage and inflammation, and optimized the intestinal flora in LPS-challenged weaned piglets.
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Affiliation(s)
- Kangli Wang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health and Internet Technology, College of Animal Science and Technology, Zhejiang A & F University, Hangzhou, China
| | - Guangyong Chen
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health and Internet Technology, College of Animal Science and Technology, Zhejiang A & F University, Hangzhou, China
| | - Guangtian Cao
- College of Standardisation, China Jiliang University, Hangzhou, China
| | - Yinglei Xu
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health and Internet Technology, College of Animal Science and Technology, Zhejiang A & F University, Hangzhou, China
| | - Yongxia Wang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health and Internet Technology, College of Animal Science and Technology, Zhejiang A & F University, Hangzhou, China
| | - Caimei Yang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health and Internet Technology, College of Animal Science and Technology, Zhejiang A & F University, Hangzhou, China
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16
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Huang J, Dai X, Ge L, Shafiq M, Shah JM, Sun J, Yi S, Wang L. Sequence Duplication Within pmrB Gene Contribute to High-Level Colistin Resistance in Avian Pathogenic Escherichia coli. Microb Drug Resist 2019; 26:1442-1451. [PMID: 31770069 DOI: 10.1089/mdr.2019.0290] [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
Beyond the emergence of plasmid-encoded mechanisms, mutation within the pmrAB genes remains one of the primary colistin resistance mechanisms in Escherichia coli. However, the mechanisms of high-level colistin resistance (HLCR) have not been elucidated. In this study, we evaluated the HLCR mechanisms in five colistin-susceptible Avian pathogenic Escherichia coli (APEC) isolates after colistin exposure. Three PmrB substitutions (G19R, L167P, V88E) and two PmrB sequence duplication (PmrB-sd) mutations (68-77dup and 94-156dup) were detected. Chromosomal replacement and deletion mutagenesis revealed the two PmrB-sd mutations contribute to, but are not fully responsible for, HLCR in APEC strains. Quantitative reverse transcription/polymerase chain reaction (qRT-PCR) revealed that the PmrB-sd induction mutants showed an increased pmrAB transcript level and the PmrB-sd reversion mutants exhibited a reduction of pmrAB expression. All five induction mutants exhibited decreased minimum inhibitory concentrations to florfenicol and tetracycline. In addition, four mutants (G19R, L167P, V88E, and 94-156dup) and two mutants (68-77dup and 94-156dup) also displayed increased sensitivity to ceftiofur and gentamicin, respectively. Zeta potential measurement of the induction mutants showed that there was less negative charge on the cell surface compared with its parental strains in the absence of colistin. The induction mutants also showed an increase of lag time and decrease of fitness. In summary, the identification of novel PmrB-sd mutations contributing to HLCR is helpful to broaden the knowledge of colistin resistance. Attention should be paid to the use of colistin for the treatment of infections caused by APEC strains.
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Affiliation(s)
- Jinhu Huang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Xingyang Dai
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Lin Ge
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Muhammad Shafiq
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Jan Mohammad Shah
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Junjie Sun
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Sida Yi
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Liping Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
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17
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Sukmawinata E, Sato W, Mitoma S, Kanda T, Kusano K, Kambayashi Y, Sato T, Ishikawa Y, Goto Y, Uemura R, Sueyoshi M. Extended-spectrum β-lactamase-producing Escherichia coli isolated from healthy Thoroughbred racehorses in Japan. J Equine Sci 2019; 30:47-53. [PMID: 31592106 PMCID: PMC6773619 DOI: 10.1294/jes.30.47] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 08/01/2019] [Indexed: 01/21/2023] Open
Abstract
Extended-spectrum β-lactamase-producing Escherichia coli (ESBLEC) have become a major
health concern in both human and veterinary medicine. These bacteria could become a
critical problem in equine medicine due to the limited number of antimicrobial drugs
available. However, there are no previous reports of ESBLEC isolated from horses in Japan.
The objectives of this study were to investigate the occurrence of ESBLEC isolated from
feces in healthy Thoroughbred racehorses in Japan. Feces samples were collected from 147
healthy Thoroughbred racehorses by equine veterinarians at the Japan Racing Association
(103 from Miho Training Center and 44 from Ritto Training Center) between March 2017 and
April 2018. Samples were screened for ESBLECs using MacConkey agar supplemented with 1
µg/ml cefotaxime. Detection of ESBL genes was performed by PCR and confirmed by DNA
sequencing. Horizontal transmission was demonstrated by conjugation assay. In this study,
24 ESBLECs were isolated from twelve horse feces samples (8.2%). All ESBLECs harbored
blaCTX-M-2, and both blaTEM-1 and blaCTX-M-2 were
detected in nine isolates (37.5%). ESBLECs showed resistance to all β-lactam antibiotics
(100%) tested, followed by trimethoprim (66.7%), streptomycin (62.5%), tetracycline
(25.0%), and oxytetracycline (25.0%). Horizontal transmission was successfully
demonstrated by conjugation assay in eight of 13 isolates, and blaCTX-M-2 was
detected by PCR in all transconjugants. This study showed that racehorses in Japan are
potential reservoirs of ESBLECs.
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Affiliation(s)
- Eddy Sukmawinata
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-1692, Japan
| | - Wataru Sato
- Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan
| | - Shuya Mitoma
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-1692, Japan
| | - Takuya Kanda
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-1692, Japan
| | - Kanichi Kusano
- Ritto Training Center, Japan Racing Association, Shiga 520-3005, Japan
| | | | - Takashi Sato
- Ritto Training Center, Japan Racing Association, Shiga 520-3005, Japan
| | - Yuhiro Ishikawa
- Ritto Training Center, Japan Racing Association, Shiga 520-3005, Japan
| | - Yoshitaka Goto
- Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan
| | - Ryoko Uemura
- Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan.,Center for Animal Disease Control, University of Miyazaki, Miyazaki 889-2192, Japan
| | - Masuo Sueyoshi
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-1692, Japan.,Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan.,Center for Animal Disease Control, University of Miyazaki, Miyazaki 889-2192, Japan
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18
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Borges CA, Tarlton NJ, Riley LW. Escherichia coli from Commercial Broiler and Backyard Chickens Share Sequence Types, Antimicrobial Resistance Profiles, and Resistance Genes with Human Extraintestinal Pathogenic Escherichia coli. Foodborne Pathog Dis 2019; 16:813-822. [PMID: 31411497 DOI: 10.1089/fpd.2019.2680] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Escherichia coli recovered from poultry, and extraintestinal pathogenic E. coli (ExPEC), responsible for most cases of urinary tract infection (UTI) and bloodstream infection (BSI) in humans, may share genetic characteristics, suggesting that poultry are a potential source of ExPEC. Here, we compared E. coli isolated from commercial broiler and backyard chickens (n = 111) with ExPEC isolated from patients with community- or hospital-acquired UTI or BSI (n = 149) from Southeast Brazil. Isolates were genotyped by multilocus sequence typing, tested for susceptibility to antimicrobial agents, and screened for β-lactamase genes. We found that 10 genotypes were shared among poultry and human isolates: sequence type (ST) 10, ST48, ST58, ST88, ST90, ST93, ST131, ST602, ST617, and ST1018. Thirty-five (23%) ExPEC and 35 (31%) poultry E. coli isolates belonged to the shared STs. ST58 and ST88 isolates from human and poultry sources shared identical antimicrobial resistance profiles. blaTEM-1 was the most prevalent β-lactamase gene, identified in 65 (92%) of 71 ExPEC and 29 (67%) of 43 poultry E. coli that tested positive for β-lactamase genes. Commercial broiler chicken isolates shared the extended-spectrum β-lactamase (ESBL) genes blaCTX-M-2, blaCTX-M-8, and blaSHV-2 with human isolates; backyard chicken isolates lacked ESBL genes. In conclusion, several genotypic and phenotypic characteristics were shared between human and poultry E. coli; this suggests that there is potential for transmission of E. coli and antimicrobial resistance genes from poultry to humans, perhaps through environmental contamination, direct contact, or consumption. Additional research is needed to understand the potential direction and pathways of transmission.
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Affiliation(s)
- Clarissa A Borges
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, California
| | - Nicole J Tarlton
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, California
| | - Lee W Riley
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, California
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19
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Yin F, Lan R, Wu Z, Wang Z, Wu H, Li Z, Yu H, Zhao Z, Li H. Yupingfeng polysaccharides enhances growth performance in Qingyuan partridge chicken by up-regulating the mRNA expression of SGLT1, GLUT2 and GLUT5. Vet Med Sci 2019; 5:451-461. [PMID: 30973212 PMCID: PMC6682804 DOI: 10.1002/vms3.167] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
The ban on the use of antibiotic in feed encouraged nutritionists to using alternatives to maintain growth performance and intestinal function of broilers. This study was conducted to evaluate the effects of Yupingfeng polysaccharides (YP) supplementation on growth performance and expression of SGLT1, GLUT2 and GLUT5 in Qingyuan partridge chicken. Experiment 1: a total of 540 chickens were randomly allocated to five groups with six replication. Dietary treatments were: (1) CON (control group), basal diet; (2) T1, CON + 0.5 g kg−1 YP; (3) T2, CON + 1 g kg−1 YP; (4) T3, CON + 2 g kg−1YP; (5) T4, CON + 4 g kg−1YP. Experiment 2, a total of 162 were randomly allocated to three groups with three replication. Dietary treatments were: (1) CON, basal diet; (2) T1, CON + 0.5 g kg−1YP; (3) T2, CON + 1 g kg−1YP. From days 1 to 14 and overall, chicken fed T1 diet had higher ADG. On day 42, there was increased villus height of jejunum in T1 group. On days 14 and 28, there was decreased villus height of duodenum and jejunum in T2 group. In duodenum, the expression of SGLT1 (days 21, 35 and 42), GLUT2 (days 7, 14, 21, 28, 35 and 42) and GLUT5 (days 7, 14, 21 and 28) was increased with YP supplementation. In jejunum, the expression of SGLT1 (days 7, 14, 21, 28 and 35), GLUT2 (days 14, 21, 28, 35 and 42) and GLUT5 (days 7, 14, 21, 28, 35 and 42) was increased with YP supplementation. In ileum, the expression of SGLT1 (days 7, 21, 35 and 42), GLUT2 (days 7, 14, 21 and 42) and GLUT5 (days 7, 14, 21, 28, 35 and 42) was increased with YP supplementation. Dietary YP supplementation improves growth performance and expression of SGLT1, GLUT2 and GLUT5 in intestine.
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Affiliation(s)
- Fuquan Yin
- Department of Animal Science, College of Agriculture, Guangdong Ocean University, Zhanjiang, Guangdong, P.R. China
| | - Ruixia Lan
- Department of Animal Science, College of Agriculture, Guangdong Ocean University, Zhanjiang, Guangdong, P.R. China
| | - Zhengmin Wu
- Department of Animal Science, College of Agriculture, Guangdong Ocean University, Zhanjiang, Guangdong, P.R. China
| | - Zhijing Wang
- Department of Animal Science, College of Agriculture, Guangdong Ocean University, Zhanjiang, Guangdong, P.R. China
| | - Haohao Wu
- Department of Animal Science, College of Agriculture, Guangdong Ocean University, Zhanjiang, Guangdong, P.R. China
| | - Zhiming Li
- Department of Animal Science, College of Agriculture, Guangdong Ocean University, Zhanjiang, Guangdong, P.R. China
| | - Hui Yu
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong, P.R. China
| | - Zhihui Zhao
- Department of Animal Science, College of Agriculture, Guangdong Ocean University, Zhanjiang, Guangdong, P.R. China
| | - Hua Li
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong, P.R. China
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Seo KW, Shim JB, Lee YJ. Emergence of CMY-2-Producing Escherichia coli in Korean Layer Parent Stock. Microb Drug Resist 2019; 25:462-468. [PMID: 30625027 DOI: 10.1089/mdr.2018.0254] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The use of antimicrobials in food animals is the major determinant for the propagation of resistant bacteria in the animal reservoir. Especially, parent stock (PS) produces thousands of eggs for commercial laying hens and can transfer a variety of viral and bacterial agents to chicks. The objective of this study was to investigate the presence and distribution of third-generation cephalosporin-resistant and extended-spectrum β-lactamase (ESBL)- and plasmid-mediated AmpC (pAmpC)-producing Escherichia coli in the PS level of the layer operation system in Korea. A total of 591 E. coli isolates were tested in this study and resistance to the first-generation cephalosporins ranged from 60.0% to 71.1%, whereas the resistance to the second- and third-generation cephalosporins ranged from 18.3% to 28.9% and from 8.3% to 14.5%, respectively. Of the 65 third-generation cephalosporin-resistant E. coli isolates, 51 (78.5%) showed multidrug resistance and 18 (27.7%) exhibited phenotypic and genotypic characteristics of ESBL/pAmpC-producing E. coli. With regard to ESBL/pAmpC gene prevalence, only the CMY-2 gene was identified in all 18 ESBL/pAmpC-producing E. coli and two isolates possessed both the CMY-2 and TEM-1 genes. Pulsed-field gel electrophoresis (PFGE) analysis of the 18 CMY-2-producing E. coli isolates revealed four PFGE patterns from the same PS farm and flock and accorded both CMY-2 genes and antimicrobial resistance pattern. To the best of our knowledge, this is the first study to investigate the prevalence and characteristics of third-generation cephalosporin-resistant and CMY-2-producing E. coli isolated at the layer PS level; our findings support the critical need for a comprehensive surveillance program to monitor the emergence and dissemination of third-generation cephalosporin resistance.
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Affiliation(s)
- Kwang Won Seo
- 1 College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Jong Bo Shim
- 2 Korean Poultry TS Co., Ltd., Icheon, Republic of Korea
| | - Young Ju Lee
- 1 College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
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21
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Seo KW, Kim YB, Jeon HY, Lim SK, Lee YJ. Comparative genetic characterization of third-generation cephalosporin-resistant Escherichia coli from chicken meat produced by integrated broiler operations in South Korea. Poult Sci 2018; 97:2871-2879. [PMID: 29897533 DOI: 10.3382/ps/pey127] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/16/2018] [Indexed: 12/25/2022] Open
Abstract
Vertical integration of the broiler industry allows producers to combine different biosecurity and sanitation practices, housing technologies, and feeding regimens to improve food safety. The objectives of this study were to determine the antimicrobial resistance pattern of β-lactamase-producing E. coli and to compare the characteristics of E. coli recovered from 7 different integrated broiler operations in South Korea. Among 200 chicken meat samples, 101 were observed to be positive for E. coli. However, the prevalence varied from 37.5% to 75.0% in chicken meats from different operations, indicating variation in E. coli occurrence among the operations. Among 101 isolated E. coli from chicken meat, 59 were identified third-generation cephalosporin-resistant E. coli and recovered from 7 different operations. A high proportion of the E. coli isolates were resistant to penicillins (89.8%), quinolones (81.4%). Among 59 third-generation cephalosporin-resistant E. coli isolates, 29 showed phenotypic and genotypic characteristics of β-lactamase-producing E. coli. Prevalence of bla gene, blaCTX-M-1, blaCTX-M-14, blaCMY-2, and blaTEM-1, were identified in 2, 4, 8, and 16 E. coli isolates respectively and only one E. coli had both genes, blaTEM-1 and blaCTX-M-1. Pulsed-field gel electrophoresis (PFGE) analysis was performed on 29 β-lactamase-producing E. coli isolates. In PFGE, E. coli included 7 PFGE patterns showing the same operation and an accorded both resistance to β-lactam antibiotics and presence of the bla-gene. Our findings suggest that E. coli with resistance to third-generation cephalosporins can now be found in association with integrated broiler operations, providing the data to support the development of monitoring and preventing program in integrated operations.
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Affiliation(s)
- Kwang Won Seo
- Department of Public Health, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Yeong Bin Kim
- Department of Public Health, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Hye Young Jeon
- Department of Public Health, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Suk-Kyung Lim
- Animal and Plant Quarantine Agency, Ministry of Agriculture, Food and Rural Affairs, Gimcheon 39660, Republic of Korea
| | - Young Ju Lee
- Department of Public Health, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
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22
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Ozaki H, Matsuoka Y, Nakagawa E, Murase T. Characteristics of Escherichia coli isolated from broiler chickens with colibacillosis in commercial farms from a common hatchery. Poult Sci 2018. [PMID: 28637225 DOI: 10.3382/ps/pex167] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
To investigate the epidemiologic aspects of colibacillosis in broiler chickens, 83 Escherichia coli isolates obtained from the pericarditis and perihepatitis lesions in broiler chickens from 4 commercial farms, 5 isolates recovered from 5 samples of yolk sac contents that were pooled from 25 emaciated chicks, and 4 fecal isolates obtained from a hatchery that supplied chicks to the 4 commercial farms mentioned above were genetically and bacteriologically characterized. Using pulsed-field gel electrophoresis (PFGE), a total of 92 isolates were classified into 33 pulsotypes. Identical pulsotypes were observed in isolates obtained from hatchery samples and the affected broiler chickens on multiple farms at various sampling times. Seventeen representative isolates with no common origin belonging to 6 pulsotypes and an additional 27 isolates with the other pulsotypes were used for further experiments. Isolates with identical pulsotypes exhibited common traits for virulence-associated genes, lipopolysaccharide core types, and phylogenetic groups. Nine of the isolates were serologically typed as O125 with various types of H antigens and 3 were typed as O25:H4. In the 27 isolates resistant to ceftiofur (CTF), which is a third generation cephalosporin, the blaCTX-M-2, blaCMY-2, blaCTX-M-14, blaCTX-M-65 genes were found in 15, 8, 3, and 1 isolate(s), respectively, and another isolate resistant to CTF had both the blaCTX-M-2 and the blaCMY-2 genes. In the 16 isolates with the blaCTX-M-2 gene, the chromosomal location of the gene was identified in 12 isolates. The plasmid-mediated quinolone resistance genes, oqxAB and aac(6')-Ib-cr, were found in 2 and 3 isolates, respectively. Conjugation experiments revealed that the blaCTX-M-2 (4 isolates), blaCTX-M-14 (3 isolates), blaSHV-12 (1 isolate), and oqxAB (2 isolates) genes were transferred. Our data suggest that E. coli strains with identical pulsotypes had been caused the incidences of colibacillosis and that the antimicrobial resistance genes on conjugative plasmids and those integrated into the chromosome may be spread among avian pathogenic E. coli strains in multiple farms.
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Affiliation(s)
- H Ozaki
- Laboratory of Veterinary Microbiology, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan.,The Avian Zoonosis Research Center, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - Y Matsuoka
- Laboratory of Veterinary Microbiology, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - E Nakagawa
- Laboratory of Veterinary Microbiology, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - T Murase
- Laboratory of Veterinary Microbiology, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan.,The Avian Zoonosis Research Center, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
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23
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Yossapol M, Sugiyama M, Asai T. The occurrence of CTX-M-25-producing Enterobacteriaceae in day-old broiler chicks in Japan. J Vet Med Sci 2017; 79:1644-1647. [PMID: 28781343 PMCID: PMC5658551 DOI: 10.1292/jvms.17-0294] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Day-old chicks from 3 hatcheries were placed on bedding paper and brought to a commercial broiler farm between January and July 2016. Sixty-six samples of the paper, which were stained with meconium droppings of the chicks, were collected and examined for isolation of cephalosporin-resistant Enterobacteriaceae. Cefotaxime (CTX)-resistant Klebsiella pneumoniae (1 isolate) and Enterobacter cloacae (4 isolates) were isolated from 5 (7.58%) of the 66 samples. Conjugation experiments revealed that the blaCTX-M-25 gene conferring CTX resistance was transferred from the K. pneumoniae isolate and 2 of the 4 E. cloacae isolates to Escherichia coli DH5α via IncA/C plasmids carrying the gene. Our results suggested that the blaCTX-M-25 gene originating from chicks may be spread among commercial broiler farms.
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Affiliation(s)
- Montira Yossapol
- Department of Applied Veterinary Science, the United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.,Office of Academic Affairs, Faculty of Veterinary Sciences, Mahasarakham University, Talad sub-district, Mueang district, Maha Sarakham 44000, Thailand
| | - Michiyo Sugiyama
- Department of Applied Veterinary Science, the United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Tetsuo Asai
- Department of Applied Veterinary Science, the United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.,Education and Research Center for Food Animal Health (GeFAH), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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Wang S, Peng Q, Jia H, Zeng X, Zhu J, Hou C, Liu X, Yang F, Qiao S. Prevention of Escherichia coli infection in broiler chickens with Lactobacillus plantarum B1. Poult Sci 2017; 96:2576-2586. [DOI: 10.3382/ps/pex061] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 02/06/2017] [Indexed: 01/14/2023] Open
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Ferreira JC, Penha Filho RAC, Andrade LN, Berchieri Junior A, Darini ALC. Diversity of plasmids harboring bla CMY-2 in multidrug-resistant Escherichia coli isolated from poultry in Brazil. Diagn Microbiol Infect Dis 2017; 88:361-364. [PMID: 28602519 DOI: 10.1016/j.diagmicrobio.2017.04.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 04/18/2017] [Accepted: 04/26/2017] [Indexed: 11/25/2022]
Abstract
Multidrug-resistance (MDR) has been increasingly reported in Gram-negative bacteria from the intestinal microbiota, environment and food-producing animals. Resistance plasmids able to harbor different transposable elements are capable to mobilize antimicrobial resistance genes and transfer to other bacterial hosts. Plasmids carrying blaCMY are frequently associated with MDR. The present study assessed the presence of plasmid-encoded ampC genes (blacmy, blamox, blafox, blalat, blaact, blamir, bladha, blamor) in commensal E. coli isolated from apparently healthy broiler chickens. Furthermore, we characterized the plasmids and identified those harboring the resistance genes. We isolated 144/200 (72%) of E. coli isolates with resistance to cefotaxime and the resistance gene identified was blaCMY-2. The pulsed-field gel electrophoresis (PFGE) analysis showed high diversity of the genetic profiles. The phylogenetic groups A, B1, B2, and D were identified among E. coli isolates and group D was the most prevalent. The PCR-based replicon typing (PBRT) analysis identified four distinct plasmid incompatibility groups (Inc) in MDR isolates. Moreover, plasmids harboring blaCMY-2, ranged in size from 50kb to 150kb and 51/144 (35%) belonged to IncK, 21/144 (14.5%) to IncB/O, 8/144 (5.5%) to IncA/C, 1/144 (0.5%) to IncI, while 63/144 (44.5%) were not typeable by PBRT. Overall, a high prevalence of blaCMY-2 genes was found in a diverse population of commensal MDR E. coli from poultry in Brazil, harbored into different plasmids.
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Affiliation(s)
- Joseane Cristina Ferreira
- School of Pharmaceutical Sciences of Ribeirao Preto -University of Sao Paulo (USP), Ribeirão Preto, SP, 14040-903, Brazil
| | | | - Leonardo Neves Andrade
- School of Pharmaceutical Sciences of Ribeirao Preto -University of Sao Paulo (USP), Ribeirão Preto, SP, 14040-903, Brazil
| | - Angelo Berchieri Junior
- School of Agricultural and Veterinary Sciences - São Paulo State University (UNESP), Jaboticabal, SP, 14884-900, Brazil
| | - Ana Lúcia Costa Darini
- School of Pharmaceutical Sciences of Ribeirao Preto -University of Sao Paulo (USP), Ribeirão Preto, SP, 14040-903, Brazil.
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Kimura A, Yossapol M, Shibata S, Asai T. Selection of broad-spectrum cephalosporin-resistant Escherichia coli in the feces of healthy dogs after administration of first-generation cephalosporins. Microbiol Immunol 2017; 61:34-41. [PMID: 28111794 DOI: 10.1111/1348-0421.12466] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 01/04/2017] [Accepted: 01/16/2017] [Indexed: 12/22/2022]
Abstract
Although antimicrobial products are essential for treating diseases caused by bacteria, antimicrobial treatment selects for antimicrobial-resistant (AMR) bacteria. The aim of this study was to determine the effects of administration of first-generation cephalosporins on development of resistant Escherichia coli in dog feces. The proportions of cephalexin (LEX)-resistant E. coli in fecal samples of three healthy dogs treated i.v. with cefazolin before castration and then orally with LEX for 3 days post-operation (PO) were examined using DHL agar with or without LEX (50 µg/mL). LEX-resistant E. coli were found within 3 days PO, accounted for 100% of all identified E. coli 3-5 days PO in all dogs, and were predominantly found until 12 days PO. LEX-resistant E. coli isolates on DHL agar containing LEX were subjected to antimicrobial susceptibility testing, pulsed-field gel electrophoresis (PFGE) genotyping, β-lactamase typing and plasmid profiling. All isolates tested exhibited cefotaxime (CTX) resistance (CTX minimal inhibitory concentration ≥4 µg/mL). Seven PFGE profiles were classified into five groups and three β-lactamase combinations (blaCMY-4 -blaTEM-1 , blaTEM-1 -blaCTX-M-15 and blaTEM-1 -blaCTX-M-15 -blaCMY-4 ). All isolates exhibited identical PFGE profiles in all dogs on four days PO and subsequently showed divergent PFGE profiles. Our results indicate there are two selection periods for AMR bacteria resulting from the use of antimicrobials. Thus, continuing hygiene practices are necessary to prevent AMR bacteria transfer via dog feces after antimicrobial administration.
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Affiliation(s)
| | - Montira Yossapol
- United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Sanae Shibata
- Faculty of Applied Biological Sciences.,United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Tetsuo Asai
- United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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Lan R, Koo J, Kim I. Effects of Lactobacillus acidophilus supplementation on growth performance, nutrient digestibility, fecal microbial and noxious gas emission in weaning pigs. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2017; 97:1310-1315. [PMID: 27342084 DOI: 10.1002/jsfa.7866] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Accepted: 06/18/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Antibiotics used as growth promoters in livestock have been banned in the European Union since 2006. Antibiotics alternatives have focused on probiotics, such as Lactobacillus acidophilus. The concentration of L. acidophilus is considered crucial for obtaining the desired effects. However, limited studies have been conducted to test the dose-dependent effects of L. acidophilus. Therefore, the present study aimed to test the dose-dependent effects of L. acidophilus on growth performance, nutrient digestibility, fecal microbial flora and fecal noxious gas emission in weaning pigs. RESULTS Lactobacillus acidophilus supplementation increased (P < 0.05) average daily gain, average daily feed intake, apparent nutrient digestibility of dry matter, nitrogen and gross energy, and Lactobacillus counts compared to the basal diet treatment, and a linear effect (P < 0.05) was observed on those criteria. Escherichia coli counts and NH3 emission were decreased (P < 0.05) by L. acidophilus supplementation, and a linear effect (P < 0.05) was observed on E. coli counts. CONCLUSION These results suggest that L. acidophilus could be used as an antibiotic alternative by improving growth performance, nutrient digestibility and gut balance (i.e. increased Lactobacillus counts and decreased E. coli counts), and decreasing NH3 emission, of weaning pigs. © 2016 Society of Chemical Industry.
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Affiliation(s)
- Ruixia Lan
- Department of Animal Resource & Science, Dankook University, Cheonan, Choongnam 330-714, South Korea
| | - Jinmo Koo
- Department of Animal Resource & Science, Dankook University, Cheonan, Choongnam 330-714, South Korea
| | - Inho Kim
- Department of Animal Resource & Science, Dankook University, Cheonan, Choongnam 330-714, South Korea
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Yılmaz EŞ, Dolar A. Detection of Extended-Spectrum β-Lactamases in Escherichia coli From Cage Birds. J Exot Pet Med 2017. [DOI: 10.1053/j.jepm.2016.10.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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29
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Shamsi H, Mardani K, Ownagh A. Phylogenetic analysis of Escherichia coli isolated from broilers with colibacillosis based on gyrA gene sequences. CANADIAN JOURNAL OF VETERINARY RESEARCH = REVUE CANADIENNE DE RECHERCHE VETERINAIRE 2017; 81:28-32. [PMID: 28154459 PMCID: PMC5220591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Accepted: 07/21/2016] [Indexed: 06/06/2023]
Abstract
Escherichia coli isolates from chickens with colibacillosis were assigned to phylogenetic groups based on multiplex polymerase chain reaction (PCR) and antibacterial resistance of E. coli belonging to these groups was examined. Furthermore, the gyrA gene of isolates was sequenced and a phylogenetic tree was generated. A total of 84 E. coli isolates were grouped using multiplex PCR of TSPE4.C2, chuA, yjaA, and gadA molecular markers. Four phylogenetic groups were identified with strains divided as follows: 16 in group A (19.05%), 17 in group B1 (20.24%), 23 in group B2 (27.38%), and 28 in group D (33.33%). Escherichia coli isolates belonging to phylogenetic groups B2 and D were resistant to Soltrim and Flumequine unlike the majority of E. coli isolates that belonged to groups A and B1, and which were susceptible to these antibiotics. The phylogenetic results based on gyrA gene sequences from multiplex PCR revealed that E. coli phylogenetic grouping was in accordance with the clusters obtained in the phylogenetic tree. In conclusion, the comparative sequence analysis of gyrA sequences provides a firm framework for an accurate classification of E. coli and related taxa and may constitute a pertinent phylogenetic marker for E. coli.
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Affiliation(s)
| | - Karim Mardani
- Address all correspondence to Dr. Karim Mardani; telephone: +98 44 3194 2618; fax: +98 44 3277 1926; e-mail:
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Su Y, Yu CY, Tsai Y, Wang SH, Lee C, Chu C. Fluoroquinolone-resistant and extended-spectrum β-lactamase-producing Escherichia coli from the milk of cows with clinical mastitis in Southern Taiwan. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2016; 49:892-901. [DOI: 10.1016/j.jmii.2014.10.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Revised: 10/01/2014] [Accepted: 10/07/2014] [Indexed: 01/31/2023]
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31
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Hoang Minh D, Hoang Minh S, Honjoh KI, Miyamoto T. Isolation and bio-control of Extended Spectrum Beta-Lactamase (ESBL)-producing Escherichia coli contamination in raw chicken meat by using lytic bacteriophages. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2016.04.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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32
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Lan R, Koo J, Kim I. Effects of Lactobacillus acidophilus supplementation in different energy and nutrient density diets on growth performance, nutrient digestibility, blood characteristics, fecal microbiota shedding, and fecal noxious gas emission in weaning pigs. Anim Feed Sci Technol 2016. [DOI: 10.1016/j.anifeedsci.2016.06.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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33
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Lan RX, Li TS, Kim IH. Effects of essential oils supplementation in different nutrient densities on growth performance, nutrient digestibility, blood characteristics and fecal microbial shedding in weaning pigs. Anim Feed Sci Technol 2016. [DOI: 10.1016/j.anifeedsci.2016.02.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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34
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Lan RX, Lee SI, Kim IH. Effects of multistrain probiotics on growth performance, nutrient digestibility, blood profiles, faecal microbial shedding, faecal score and noxious gas emission in weaning pigs. J Anim Physiol Anim Nutr (Berl) 2016; 100:1130-1138. [PMID: 27870289 DOI: 10.1111/jpn.12501] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2015] [Accepted: 02/20/2016] [Indexed: 12/27/2022]
Abstract
This experiment was conducted to investigate the efficacy of multistrain probiotics in weaning pigs. A total of 125 28-day-old weaning pigs [(Landrace × Yorkshire) × Duroc] with an initial average body weight (BW) of 7.26 ± 0.76 kg were randomly allotted into 5 treatments, 5 replicate pens/treatment with 5 pigs/pen for 42-day experiment. Dietary treatments were as follows: CON, basal diet; PC1, CON + 0.01% multistrain probiotics; PC2, CON + 0.03% multistrain probiotics; PC3, CON + 0.06% multistrain probiotics; PC4, CON + 0.1% multistrain probiotics. On day 14, pigs fed the PC4 diet had higher BW gain than pigs fed the CON diet. On day 42, pigs fed multistrain probiotics supplementation diets had higher BW gain than pigs fed the CON diet. From days 1 to 14, pigs fed the PC2, PC3 and PC4 diets had higher (p < 0.05) ADG than pigs fed the CON diet. From day 15 to 42, pigs fed the multistrain probiotics supplementation diets had higher (p < 0.05) average daily gain (ADG) and gain: feed ratio (G:F) than pigs fed the CON diet. In the overall period, pigs fed the multistrain probiotics supplementation diets had higher (p < 0.05) ADG and pigs fed the PC2 and PC4 diets had higher (p < 0.05) G:F than pigs fed the CON diet. On day 42, pigs fed the PC4 diet had higher (p < 0.05) apparent total tract digestibility (ATTD) of dry matter (DM), nitrogen (N) and gross energy (GE), faecal Lactobacillus counts and lower (p < 0.05) E. coli counts and NH3 emission than pigs fed the CON diet. Pigs fed the multistrain probiotics supplementation diets had lower (p < 0.05) H2 S and total mercaptans emissions than pigs fed the CON diet. Conclusions, dietary supplementation with 0.1% probiotics improved growth performance, nutrition digestibility and intestinal microflora balance and decreased faecal noxious gas emissions in weaning pigs.
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Affiliation(s)
- R X Lan
- Department of Animal Resource & Science, Dankook University, Cheonan, Choongnam, South Korea
| | - S I Lee
- Department of Animal Resource & Science, Dankook University, Cheonan, Choongnam, South Korea
| | - I H Kim
- Department of Animal Resource & Science, Dankook University, Cheonan, Choongnam, South Korea
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Rao L, Lv L, Zeng Z, Chen S, He D, Chen X, Wu C, Wang Y, Yang T, Wu P, Liu Y, Liu JH. Increasing prevalence of extended-spectrum cephalosporin-resistant Escherichia coli in food animals and the diversity of CTX-M genotypes during 2003–2012. Vet Microbiol 2014; 172:534-41. [DOI: 10.1016/j.vetmic.2014.06.013] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 06/04/2014] [Accepted: 06/14/2014] [Indexed: 11/17/2022]
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36
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Hiki M, Usui M, Akiyama T, Kawanishi M, Tsuyuki M, Imamura S, Sekiguchi H, Kojima A, Asai T. Phylogenetic grouping, epidemiological typing, analysis of virulence genes, and antimicrobial susceptibility of Escherichia coli isolated from healthy broilers in Japan. Ir Vet J 2014; 67:14. [PMID: 25061511 PMCID: PMC4110063 DOI: 10.1186/2046-0481-67-14] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Accepted: 06/20/2014] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND The aim of our study was to investigate the possible etiology of avian colibacillosis by examining Escherichia coli isolates from fecal samples of healthy broilers. FINDINGS Seventy-eight E. coli isolates from fecal samples of healthy broilers in Japan were subjected to analysis of phylogenetic background, virulence-associated gene profiling, multi-locus sequence typing (MLST), and antimicrobial resistance profiling. Phylogenetic analysis demonstrated that 35 of the 78 isolates belonged to group A, 28 to group B1, one to group B2, and 14 to group D. Virulence-associated genes iutA, iss, cvaC, tsh, iroN, ompT, and hlyF were found in 23 isolates (29.5%), 16 isolates (20.5%), nine isolates (11.5%), five isolates (6.4%), 19 isolates (24.4%), 23 isolates (29.5%), and 22 isolates (28.2%) respectively. Although the genetic diversity of group D isolates was revealed by MLST, the group D isolates harbored iutA (10 isolates, 71.4%), iss (6 isolates, 42.9%), cvaC (5 isolates, 35.7%), tsh (3 isolates, 21.4%), hlyF (9 isolates, 64.3%), iroN (7 isolates, 50.0%), and ompT (9 isolates, 64.3%). CONCLUSIONS Our results indicated that E. coli isolates inhabiting the intestines of healthy broilers pose a potential risk of causing avian colibacillosis.
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Affiliation(s)
- Mototaka Hiki
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Masaru Usui
- Laboratory of Food Microbiology and Food Safety, Department of Health and Environmental Sciences, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido, Japan
| | - Tetsuo Akiyama
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Michiko Kawanishi
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Mai Tsuyuki
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan ; Food Safety and Consumer Affairs Bureau, Ministry of Agriculture, Forestry and Fisheries, 1-2-1 Kasumigaseki, Chiyoda-ku, Tokyo 100-8950, Japan
| | - Saiki Imamura
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan ; Food Safety and Consumer Affairs Bureau, Ministry of Agriculture, Forestry and Fisheries, 1-2-1 Kasumigaseki, Chiyoda-ku, Tokyo 100-8950, Japan
| | - Hideto Sekiguchi
- Food Safety and Consumer Affairs Bureau, Ministry of Agriculture, Forestry and Fisheries, 1-2-1 Kasumigaseki, Chiyoda-ku, Tokyo 100-8950, Japan
| | - Akemi Kojima
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
| | - Tetsuo Asai
- The United Graduate School of Veterinary Sciences, Gifu University, Gifu-shi, Gifu, Japan
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37
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Caracterización molecular de cepas de Escherichia coli aisladas de productos lácteos artesanales elaborados en Mérida, Venezuela. INFECTIO 2014. [DOI: 10.1016/j.infect.2014.04.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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38
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Saishu N, Ozaki H, Murase T. CTX-M-type extended-spectrum β-lactamase-producing Klebsiella pneumoniae isolated from cases of bovine mastitis in Japan. J Vet Med Sci 2014; 76:1153-6. [PMID: 24784438 PMCID: PMC4155198 DOI: 10.1292/jvms.13-0120] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Three Klebsiella pneumoniae isolates producing extended-spectrum beta-lactamase (ESBL) were obtained from three dairy cows with clinical mastitis in two farms in western Japan. Two of the 3 isolates from cows in different farms were able to transfer plasmids carrying the blaCTX-M-2 gene to Escherichia coli recipient. Pulsed-field gel electrophoresis (PFGE) patterns of the 2 isolates were different from each other, although restricted-fragment patterns of the two conjugative plasmids were similar to each other. Additionally, PCR-based replicon typing revealed that both the plasmids belonged to type Inc.T. These results suggest that ESBL-encoding genes can be distributed in bacteria on dairy farms through the plasmids.
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Affiliation(s)
- Nobukazu Saishu
- Tottori Prefectural Kurayoshi Livestock Hygiene Service Center, 2-132 Seidani-cho, Kurayoshi, Tottori 682-0017, Japan
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Zhang L, Cao GT, Zeng XF, Zhou L, Ferket PR, Xiao YP, Chen AG, Yang CM. Effects of Clostridium butyricum on growth performance, immune function, and cecal microflora in broiler chickens challenged with Escherichia coli K88. Poult Sci 2014; 93:46-53. [PMID: 24570422 DOI: 10.3382/ps.2013-03412] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
This study was conducted to investigate the effects of Clostridium butyricumon growth performance, immune function, and cecal microflora in broiler chickens challenged with Escherichia coli K88. Three hundred sixty 1-d-old broiler chickens were randomly divided into 4 treatments: negative control (NC) birds were fed a basal diet and not challenged with E. coli K88; positive control (PC) birds were fed a basal diet and challenged with E. coli K88; C. butyricum treatment (CB) birds were fed a diet containing 2 × 10(7) cfu C. butyricum/kg of diet and challenged with E. coli K88; and colistin sulfate treatment (CS) birds were fed a diet containing 20 mg of colistin sulfate/kg of diet and challenged with E. coli K88. Birds fed CB had greater (P < 0.05) BW than the PC birds from 3 to 21 d postchallenge. Birds fed CB had greater (P < 0.05) serum IgA and IgY at 14 d postchallenge, greater (P < 0.05) serum IgM at 21 d postchallenge, and greater (P < 0.05) mucosal secreted IgA at 3 and 7 d postchallenge than the PC birds. Birds fed CB had greater concentrations of serum complement component 3 at 14 d postchallenge, and greater (P < 0.05) concentrations of serum complement component 4 at 3, 7, and 14 d postchallenge than the PC birds. Birds in the CS or CB treatments had less cecal E. coli population at 3, 7, and 21 d postchallenge, and less cecal Clostridium perfringens counts at 21 d postchallenge compared with the PC birds. The CB treatment increased (P < 0.05) the population of cecal Lactobacillus at 3 d postchallenge and the number of cecal Bifidobacterium at 3, 14, and 21 d postchallenge in comparison with the PC treatment. The results indicate that dietary supplementation of CB promotes growth performance, improves immune function, and benefits the cecal microflora in Escherichia coli K88-challenged chickens.
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Affiliation(s)
- L Zhang
- College of Animal Science and Technology, Zhejiang A & F University, Lin'an 311300, China
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40
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Reich F, Atanassova V, Klein G. Extended-spectrum β-lactamase- and AmpC-producing enterobacteria in healthy broiler chickens, Germany. Emerg Infect Dis 2014; 19:1253-9. [PMID: 23876576 PMCID: PMC3739521 DOI: 10.3201/eid1908.120879] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
During 2010, we evaluated the presence of extended-spectrum β-lactamase– and AmpC-producing enterobacteria in broiler chickens at slaughter. Samples (70 carcasses and 51 ceca) from 4 flocks were analyzed by direct plating and after enrichment. Extended-spectrum β-lactamase producers were found in 88.6% and 72.5% of carcasses and ceca, respectively; AmpC producers were found in 52.9% and 56.9% of carcasses and ceca, respectively. Most isolates were identified as Escherichia coli; Enterobacter cloacae (cecum) and Proteus mirabilis (carcass) were found in 2 samples each. Molecular characterization revealed the domination of CTX-M genes; plasmidic AmpC was CIT-like. Phylogenetic grouping of E. coli showed types A (31.5%), B1 (20.2%), B2 (13.5%), and D (34.8%). These findings provide evidence that healthy broilers in Germany are a source for the dissemination of transmissible resistance mechanisms in enterobacteria brought from the rearing environment into the food chain during slaughtering.
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Affiliation(s)
- Felix Reich
- University of Veterinary Medicine Hannover, Hannover, Germany
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41
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Kawamura K, Goto K, Nakane K, Arakawa Y. Molecular epidemiology of extended-spectrum β-lactamases and Escherichia coli isolated from retail foods including chicken meat in Japan. Foodborne Pathog Dis 2013; 11:104-10. [PMID: 24093132 DOI: 10.1089/fpd.2013.1608] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Contamination of retail meat with extended-spectrum β-lactamase (ESBL)-producing Escherichia coli has been reported, but only limited data have been documented in Japan. One hundred fifty-three retail foods including chicken meat, beef, pork, and vegetables were purchased from 29 supermarkets between January and October in 2010. ESBL producers were recovered from each food sample using McConkey agar plate supplemented with 1 mg/L of cefotaxime. ESBL type was identified by DNA sequencing analysis after polymerase chain reaction amplification. Antibiogram, O serotype, plasmid replicon type, pulsotype, and multilocus sequence type were also determined. Fifty-two epidemiologically unrelated Escherichia coli isolates producing ESBL were recovered from 35 (22.9%) of 153 samples, all of which were chicken meat. ESBL types were mainly CTX-M-2 group followed by CTX-M-1 group and CTX-M-8 group. The numbers of bacterial isolates (8 of 21, 38.1%) harboring bla(CTX-M-8) recovered from imported meat samples were significantly larger than those of domestic ones (one of 31, 3.2%) (p<0.05). Nine O serotypes (mainly O8, O25, and O1) were found, together with O-antigen untypable (OUT). Four E. coli belonging to the O25b:H4-ST131 clone were recovered from domestic (n=1) and imported meat samples (n=3), respectively. These four isolates were susceptible to fluoroquinolones, although the E. coli O25b:H4-ST131 clone producing CTX-M-15, which is predominant in human isolates, is usually resistant to fluoroquinolones. By contrast, five CTX-M-15-producing E. coli strains were recovered only from domestic meat samples, and their serotypes were O8 or OUT instead of predominant serotype O25b. Our results showed that ESBL-producing E. coli isolates recovered from retail chicken meat samples in Japan are generally divergent in both genetic and serological aspects. Further comparative analyses of bla(CTX-M)-mediating genetic elements would be continued in the next step to characterize the ESBL producers from retail foods in Japan.
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Affiliation(s)
- Kumiko Kawamura
- 1 Department of Pathophysiological Laboratory Science, Nagoya University Graduate School of Medicine , Nagoya, Japan
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42
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Hiki M, Usui M, Kojima A, Ozawa M, Ishii Y, Asai T. Diversity of plasmid replicons encoding the bla(CMY-2) gene in broad-spectrum cephalosporin-resistant Escherichia coli from livestock animals in Japan. Foodborne Pathog Dis 2013; 10:243-9. [PMID: 23489047 DOI: 10.1089/fpd.2012.1306] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Broad-spectrum cephalosporin (BSC) resistance has increased in Escherichia coli isolates from broiler chickens in Japan since 2004. The purpose of this study was to understand the epidemiology of BSC-resistant E. coli in livestock animals. Among 3274 E. coli isolates from 1767 feces of apparently healthy animals on 1767 farms between 2004 and 2009, 118 ceftiofur (CTF)-resistant isolates (CTF MIC ≥4 μg/mL) were identified on 74 farms. After elimination of apparently clonal isolates from a single animal, 75 selected CTF-resistant isolates (62 isolates from 61 broiler chickens, 10 isolates from 10 layer chickens, two isolates from two cows, and one isolate from a pig) were characterized. The bla(CMY-2) gene was most frequently detected in 50 isolates, followed by bla(CTX-M) (CTX-M-2: six isolates; CTX-M-14: four isolates; CTX-M-25: two isolates; CTX-M-1: one isolate) and bla(SHV) (SHV-12: seven isolates; SHV-2, SHV-2a, SHV-5: one isolate each). In particular, 42 of 62 broiler chicken isolates harbored bla(CMY-2). Pulsed-field gel electrophoresis analyses using XbaI revealed divergent profiles among the BSC-resistant isolates. The incompatibility groups of bla(CMY-2) plasmids from 34 of the 42 broiler chicken isolates belonged to IncIγ (10 isolates), IncA/C (nine isolates), IncB/O (seven isolates) and IncI1 (six isolates), or were nontypeable (two isolates). Co-transmission of resistance to non-β-lactam antibiotics was observed in transconjugants with IncA/C plasmids, but not with IncI1, IncIγ, and IncB/O plasmids except for one isolate with IncB/O. Our findings suggest that the bla(CMY-2) gene is a key player in BSC-resistant E. coli isolates and that coselection is unlikely to be associated with the abundance of bla(CMY-2) plasmids, except for IncA/C plasmids.
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Affiliation(s)
- Mototaka Hiki
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry, and Fisheries, Tokyo, Japan
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43
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Mellata M. Human and avian extraintestinal pathogenic Escherichia coli: infections, zoonotic risks, and antibiotic resistance trends. Foodborne Pathog Dis 2013; 10:916-32. [PMID: 23962019 DOI: 10.1089/fpd.2013.1533] [Citation(s) in RCA: 255] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Extraintestinal pathogenic Escherichia coli (ExPEC) constitutes ongoing health concerns for women, newborns, elderly, and immunocompromised individuals due to increased numbers of urinary tract infections (UTIs), newborn meningitis, abdominal sepsis, and septicemia. E. coli remains the leading cause of UTIs, with recent investigations reporting the emergence of E. coli as the predominant cause of nosocomial and neonatal sepsis infections. This shift from the traditional Gram-positive bacterial causes of nosocomial and neonatal sepsis infections could be attributed to the use of intrapartum chemoprophylaxis against Gram-positive bacteria and the appearance of antibiotic (ATB) resistance in E. coli. While ExPEC strains cause significant healthcare concerns, these bacteria also infect chickens and cause the poultry industry economic losses due to costs of containment, mortality, and disposal of carcasses. To circumvent ExPEC-related costs, ATBs are commonly used in the poultry industry to prevent/treat microbial infections and promote growth and performance. In an unfortunate linkage, chicken products are suspected to be a source of foodborne ExPEC infections and ATB resistance in humans. Therefore, the emergence of multidrug resistance (MDR) (resistance to three or more classes of antimicrobial agents) among avian E. coli has created major economic and health concerns, affecting both human healthcare and poultry industries. Increased numbers of immunocompromised individuals, including the elderly, coupled with MDR among ExPEC strains, will continue to challenge the treatment of ExPEC infections and likely lead to increased treatment costs. With ongoing complications due to emerging ATB resistance, novel treatment strategies are necessary to control ExPEC infections. Recognizing and treating the zoonotic risk posed by ExPEC would greatly enhance food safety and positively impact human health.
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Affiliation(s)
- Melha Mellata
- The Biodesign Institute, Center for Infectious Diseases and Vaccinology, Arizona State University , Tempe, Arizona
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44
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Skjøt-Rasmussen L, Jakobsen L, Olsen SS, Frimodt-Møller N, Hammerum AM. Unusual pathogenic B1 genotype (yjaA/TspE4.C2) detected among Escherichia coli from pig, chicken broiler meat and human extraintestinal infection. J Med Microbiol 2013; 62:1259-1262. [DOI: 10.1099/jmm.0.055178-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Line Skjøt-Rasmussen
- Microbiology and Infection Control, Statens Serum Institut, Copenhagen S, Denmark
| | - Lotte Jakobsen
- Department of Clinical Microbiology, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
- Microbiology and Infection Control, Statens Serum Institut, Copenhagen S, Denmark
| | - Stefan S. Olsen
- Microbiology and Infection Control, Statens Serum Institut, Copenhagen S, Denmark
| | - Niels Frimodt-Møller
- Department of Clinical Microbiology, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
| | - Anette M. Hammerum
- Microbiology and Infection Control, Statens Serum Institut, Copenhagen S, Denmark
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45
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Kawanishi M, Ozawa M, Hiki M, Abo H, Kojima A, Asai T. Detection of aac(6')-Ib-cr in avian pathogenic Escherichia coli isolates in Japan. J Vet Med Sci 2013; 75:1539-42. [PMID: 23856759 PMCID: PMC3942989 DOI: 10.1292/jvms.13-0185] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
We investigated the prevalence of plasmid-mediated quinolone resistance (PMQR) genes in
avian pathogenic Escherichia coli (APEC) strains in Japan. A total of 117
APEC strains collected between 2004 and 2007 were examined for PMQR genes (qnrA,
qnrB, qnrC, qnrD, qnrS,
aac(6’)-Ib-cr,
qepA and oqxAB) by polymerase chain reaction. None of
the APEC strains carried qnrA, qnrB,
qnrC, qnrD, qnrS, qepA or
oqxAB, but one of the isolates was identified as an AAC (6’)-Ib-cr producer.
Phylogenetic grouping, multi-locus sequence typing and serotyping showed that this isolate
belonged to phylogenetic group A, sequence type 167 and untypable serogroup. To our
knowledge, this is the first report of the aac (6’)-Ib-cr gene in
bacteria from food-producing animals in Japan.
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Affiliation(s)
- Michiko Kawanishi
- National Veterinary Assay Laboratory, Ministry of Agriculture, Forestry and Fisheries, 1-15-1 Tokura, Kokubunji, Tokyo 185-8511, Japan
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46
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Chuma T, Miyasako D, Dahshan H, Takayama T, Nakamoto Y, Shahada F, Akiba M, Okamoto K. Chronological Change of Resistance to β-Lactams in Salmonella enterica serovar Infantis Isolated from Broilers in Japan. Front Microbiol 2013; 4:113. [PMID: 23734146 PMCID: PMC3659313 DOI: 10.3389/fmicb.2013.00113] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2013] [Accepted: 04/23/2013] [Indexed: 11/13/2022] Open
Abstract
Epidemiologic surveillance study was conducted in southern Japan to determine the antimicrobial resistance phenotypes and characterize the β-lactamase genes and the plasmids harboring these genes in Salmonella enterica serovar Infantis (S. Infantis) isolates from broilers. Between January, 2007 and December, 2008, a total of 1,472 fecal samples were collected and examined at the Laboratory of Veterinary Public Health, Kagoshima University, Japan. In 93 (6.3%) isolates recovered, 33 (35.5%) isolates showed resistance to cefotaxime, an extended-spectrum cephalosporin (ESC), conferred by TEM-20, TEM-52 and CTX-M-25 extended-spectrum β-lactamases (ESBLs). In addition to ESC-resistance, eight (8.6%) isolates exhibited resistance to cefoxitin mediated by CMY-2 AmpC β-lactamase. Plasmid analysis and polymerase chain reaction replicon typing revealed the bla TEM-20 and bla CMY-2 genes were associated with IncP plasmids, bla TEM-52 was linked with a non-typable plasmid and bla CTX-M-25 was carried by an IncA/C plasmid. Non-β-lactam resistance to streptomycin, sulfamethoxazole, and oxytetracycline encoded by the aadA1, sul1, and tet(A) genes, respectively, was found in 86 (92.5%) isolates. Resistance to kanamycin and ofloxacin was exhibited in 12 (12.9%) and 11 (11.8%) isolates, respectively, the former was mediated by aphA1-Iab. These data indicate that S. Infantis isolates producing ESBLs and AmpC β-lactamase have spread among broiler farms in Japan. These data demonstrated that the incidence of ESC-resistant S. Infantis carrying bla TEM-52 remarkably increased and S. Infantis strains harboring bla CMY-2, bla TEM-20, or bla CTX-M-25 genes emerged from broilers in Japan for the first time in 2007 and 2008.
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Affiliation(s)
- Takehisa Chuma
- Laboratory of Veterinary Public Health, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University Kagoshima, Japan
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Kameyama M, Chuma T, Yabata J, Tominaga K, Iwata H, Okamoto K. Prevalence and epidemiological relationship of CMY-2 AmpC β-lactamase and CTX-M extended-spectrum β-lactamase-producing Escherichia coli isolates from broiler farms in Japan. J Vet Med Sci 2013; 75:1009-15. [PMID: 23503164 DOI: 10.1292/jvms.12-0453] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
To evaluate the prevalence of extended-spectrum cephalosporin (ESC)-resistant Enterobacteriaceae in broiler chickens, 41 rectal samples taken from 4 commercial farms were examined. Desoxycholate hydrogen sulfide lactose agars, supplemented with either 4 μg/ml cefotaxime or 16 μg/ml ceftazidime, were used to screen ESC-resistant bacteria. ESC-resistant bacteria were isolated from all samples. Of the 164 ESC-resistant bacteria (included 4 isolates per a sample), 163 were Escherichia coli, while 1 isolate was identified as Enterobacter cloacae. Extended-spectrum β-lactamase (ESBL) genes and plasmid-mediated AmpC β-lactamase genes in the isolates were determined by PCR and sequencing. One AmpC β-lactamase gene, bla(CMY-2) (66%), and 4 ESBL genes, bla(CTX-M-1) (26%), bla(CTX-M-55) (10%), bla(SHV-5) (4%) and bla(CTX-M-2) (3%), were detected in the E. coli isolates. The epidemiological relationship of the CMY-2 and CTX-M β-lactamase-producing isolates among the farms was analyzed by pulsed-field gel electrophoresis using the XbaI restriction enzyme. Forty-one (Y1-Y41) and 14 (X1-X14) clusters were found in the CMY-2 and CTX-M-carrying E. coli isolates, respectively. Some clusters included isolates derived from more than 1 farm, indicating some cross-contamination of clonal strains and spread of CMY-2 AmpC β-lactamase or CTX-M ESBL among the farms.
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Affiliation(s)
- Mitsuhiro Kameyama
- Yamaguchi Prefectural Institute of Public Health and Environment, 2-5-67 Aoi, Yamaguchi 753-0821, Japan
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48
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Extended-spectrum cephalosporin-resistant Gram-negative organisms in livestock: an emerging problem for human health? Drug Resist Updat 2013; 16:22-45. [PMID: 23395305 DOI: 10.1016/j.drup.2012.12.001] [Citation(s) in RCA: 194] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2012] [Accepted: 12/22/2012] [Indexed: 12/18/2022]
Abstract
Escherichia coli, Salmonella spp. and Acinetobacter spp. are important human pathogens. Serious infections due to these organisms are usually treated with extended-spectrum cephalosporins (ESCs). However, in the past two decades we have faced a rapid increasing of infections and colonization caused by ESC-resistant (ESC-R) isolates due to production of extended-spectrum-β-lactamases (ESBLs), plasmid-mediated AmpCs (pAmpCs) and/or carbapenemase enzymes. This situation limits drastically our therapeutic armamentarium and puts under peril the human health. Animals are considered as potential reservoirs of multidrug-resistant (MDR) Gram-negative organisms. The massive and indiscriminate use of antibiotics in veterinary medicine has contributed to the selection of ESC-R E. coli, ESC-R Salmonella spp. and, to less extent, MDR Acinetobacter spp. among animals, food, and environment. This complex scenario is responsible for the expansion of these MDR organisms which may have life-threatening clinical significance. Nowadays, the prevalence of food-producing animals carrying ESC-R E. coli and ESC-R Salmonella (especially those producing CTX-M-type ESBLs and the CMY-2 pAmpC) has reached worryingly high values. More recently, the appearance of carbapenem-resistant isolates (i.e., VIM-1-producing Enterobacteriaceae and NDM-1 or OXA-23-producing Acinetobacter spp.) in livestock has even drawn greater concerns. In this review, we describe the aspects related to the spread of the above MDR organisms among pigs, cattle, and poultry, focusing on epidemiology, molecular mechanisms of resistance, impact of antibiotic use, and strategies to contain the overall problem. The link and the impact of ESC-R organisms of livestock origin for the human scenario are also discussed.
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