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Abreu R, Rodríguez-Álvarez C, Castro-Hernandez B, Lecuona-Fernández M, González JC, Rodríguez-Novo Y, Arias Rodríguez MDLA. Prevalence and Characterisation of Multiresistant Bacterial Strains Isolated in Pigs from the Island of Tenerife. Vet Sci 2022; 9:vetsci9060269. [PMID: 35737321 PMCID: PMC9230743 DOI: 10.3390/vetsci9060269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 05/26/2022] [Accepted: 06/01/2022] [Indexed: 11/20/2022] Open
Abstract
Background: Antibiotic-resistant bacteria can circulate among human and animal populations through direct contact with animals, as well as via food and the environment. The purpose of this study was to examine the prevalence and characterisation of multiresistant bacteria in pig samples. Methods: 224 samples of pig livestock were taken at the slaughterhouse on the island of Tenerife. A nasal and a rectal sample were collected from each pig. The presence of methicillin-resistant Staphylococcus aureus (MRSA), methicillin-resistant Staphylococcus coagulase-negative (MRCoNS), vancomycin-resistant Enterococcus (VRE), extended-spectrum ß-lactamase-producing Enterobacteriaceae (BLEE), carbapenemase-producing Enterobacteriaceae (CPE), and colistin-resistant Enterobacteriaceae was investigated. The resistance genes of the isolated bacteria were characterised by specific PCRs depending on the microorganism to be studied, and in vitro antimicrobial resistance was determined using the broth microdilution method (Vitek®2 system bioMérieux®, Nurtingen, Germany). Results: MRSA prevalence was 73.21% (164 isolates). MRCoNS prevalence was 9.8% (22 isolates), S. sciuri being the prevalent species. Six isolates presented a 2.7% prevalence of extended-spectrum ß-lactamase-producing Escherichia coli (BLEE) in the CTX-M-1 group. No vancomycin-resistant Enterococcus (VRE), carbapenemase-producing Enterobacteriaceae (CRE), or colistin-resistant Enterobacteriaceae were isolated. Conclusion: we found a high presence of multiresistant bacteria, suggesting the need for increased control and surveillance of this type of strains in pig livestock and a better understanding of the possible transmission routes of these microorganisms through livestock products.
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Affiliation(s)
- Rossana Abreu
- Department of Preventive Medicine and Public Health, University of La Laguna, Campus de Ofra, s/n, 38071 Santa Cruz de Tenerife, Spain; (R.A.); (C.R.-Á.)
| | - Cristobalina Rodríguez-Álvarez
- Department of Preventive Medicine and Public Health, University of La Laguna, Campus de Ofra, s/n, 38071 Santa Cruz de Tenerife, Spain; (R.A.); (C.R.-Á.)
| | - Beatriz Castro-Hernandez
- Microbiology and Infection Control Service, University Hospital of the Canary Islands, Canary Islands, Tenerife, 38320 San Cristóbal de La Laguna, Spain; (B.C.-H.); (M.L.-F.)
| | - Maria Lecuona-Fernández
- Microbiology and Infection Control Service, University Hospital of the Canary Islands, Canary Islands, Tenerife, 38320 San Cristóbal de La Laguna, Spain; (B.C.-H.); (M.L.-F.)
| | - Juan Carlos González
- Canary Islands Health Service, Canary Islands, 38004 Santa Cruz de Tenerife, Spain;
| | - Yurena Rodríguez-Novo
- Faculty of Health Sciences, Nursing Section, University of La Laguna, Tenerife, 38200 La Laguna, Spain;
| | - Maria de los Angeles Arias Rodríguez
- Department of Preventive Medicine and Public Health, University of La Laguna, Campus de Ofra, s/n, 38071 Santa Cruz de Tenerife, Spain; (R.A.); (C.R.-Á.)
- Correspondence: ; Tel.: +34-922-319-369
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Desire OE, Larson B, Richard O, Rolande MM, Serge KB. Investigating antibiotic resistance in enterococci in Gabonese livestock. Vet World 2022; 15:714-721. [PMID: 35497974 PMCID: PMC9047121 DOI: 10.14202/vetworld.2022.714-721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 02/10/2022] [Indexed: 01/14/2023] Open
Abstract
Background and Aim: The emergence of antibiotic resistance is a major problem worldwide. Antibiotics are often used to prevent or treat infections in livestock. This study aimed to investigate antibiotic resistance in enterococci in Gabonese livestock. Materials and Methods: We collected 174 animal samples (46 laying hens, 24 swine, 62 cattle, and 42 sheep) from farms in four provinces of Gabon. Bacterial strains belonging to the genus Enterococcus were obtained using selective media and polymerase chain reaction targeting the tuf gene. Antibiotic susceptibility was determined by the disk diffusion method on Mueller-Hinton agar. Results: Enterococci were present in 160 of the samples (97%), distributed as follows: laying hens (100%, 41/41), swine (100%, 22/22), small ruminants (88%, 37/42), and cattle (100%, 60/60). Resistance to cephalothin/cephalexin, streptomycin, and rifampicin (RIF) was high, and resistance to vancomycin (VAN), erythromycin, and tetracycline was moderate. A high diversity of resistance was found in Haut-Ogooué and Estuaire provinces. Laying hens and swine showed moderate levels of resistance to ciprofloxacin and penicillin, while sheep and cattle had high levels of resistance to RIF. All species showed a high level of resistance to VAN. We found various patterns of multiple resistances in the isolates, and the multiple resistance indexes ranged from 0.2 to 0.8. Conclusion: This study shows that livestock in Gabon can be considered potential reservoirs of resistance.
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Affiliation(s)
- Otsaghe Ekore Desire
- Centre International de Recherche Médicales de Franceville, BP: 769, Franceville, Gabon; Ecole Doctorale Régional d'Afrique Central, BP: 876, Franceville, Gabon
| | - Boundenga Larson
- Centre International de Recherche Médicales de Franceville, BP: 769, Franceville, Gabon; Department of Anthropology, Durham University, South Road, Durham, DH1 3LE, UK
| | - Onanga Richard
- Centre International de Recherche Médicales de Franceville, BP: 769, Franceville, Gabon
| | - Mabika Mabika Rolande
- Centre International de Recherche Médicales de Franceville, BP: 769, Franceville, Gabon
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Ekore DO, Onanga R, Nguema PPM, Lozano C, Kumulungui BS. The Antibiotics Used in Livestock and Their Impact on Resistance in Enterococcus faecium and Enterococcus hirae on Farms in Gabon. Antibiotics (Basel) 2022; 11:224. [PMID: 35203826 PMCID: PMC8868485 DOI: 10.3390/antibiotics11020224] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 10/18/2021] [Accepted: 10/21/2021] [Indexed: 12/10/2022] Open
Abstract
The emergence of antibiotic resistance is a major concern around the world. The objective of this study was to investigate the antibiotics used in livestock and their impact on resistance in Enterococcus faecium and Enterococcus hirae on farms in Gabon. A structured questionnaire was used to collect information on the farms. Samples were collected from farms (n = 20) tested for Enterococcus by culture and isolation and were identified using a polymerase chain reaction (PCR) and sequencing. Antibiotic susceptibility was determined by the disc diffusion method on Mueller Hinton agar. The 20 farms included laying hens (6), swine (6), sheep (4) and cattle farms (4). Tetracycline was the most used antibiotic family (91%) and the most used prophylactic method (47%) for the treatment of animals. A total of 555 samples were collected and 515 (93%) Enterococcus spp. isolates of the genus were obtained. The prevalence of E. faecium and E. hirae were 10% and 8%, respectively. The isolates from E. faecium and E. hirae we found were related to clinical and human isolates in the NCBI database. E. faecium and E. hirae isolates showed a high resistance to tetracycline (69% and 65%) and rifampicin (39% and 56%). The tet(M) gene was detected in 65 tetracycline-resistant isolates with a large majority in hens (78% (21/27) and 86% (12/14) in E. faecium and E. hirae, respectively). The consumption of antibiotics favours the emergence of antibiotic resistance in animals in Gabon.
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Affiliation(s)
- Désiré Otsaghe Ekore
- Centre International de Recherche Médicales de Franceville, Franceville, Gabon; (R.O.); (P.P.M.N.); (C.L.); (B.S.K.)
- Ecole Doctorale Régional d’Afrique Central, Franceville, Gabon
| | - Richard Onanga
- Centre International de Recherche Médicales de Franceville, Franceville, Gabon; (R.O.); (P.P.M.N.); (C.L.); (B.S.K.)
| | - Pierre Phillipe Mbehang Nguema
- Centre International de Recherche Médicales de Franceville, Franceville, Gabon; (R.O.); (P.P.M.N.); (C.L.); (B.S.K.)
- Institut de Recherche en Ecologie Tropical, Libreville, Gabon
| | - Chloé Lozano
- Centre International de Recherche Médicales de Franceville, Franceville, Gabon; (R.O.); (P.P.M.N.); (C.L.); (B.S.K.)
| | - Brice Serge Kumulungui
- Centre International de Recherche Médicales de Franceville, Franceville, Gabon; (R.O.); (P.P.M.N.); (C.L.); (B.S.K.)
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Looking Back to Amycolatopsis: History of the Antibiotic Discovery and Future Prospects. Antibiotics (Basel) 2021; 10:antibiotics10101254. [PMID: 34680834 PMCID: PMC8532670 DOI: 10.3390/antibiotics10101254] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 10/07/2021] [Accepted: 10/12/2021] [Indexed: 11/17/2022] Open
Abstract
The emergence of antibiotic-resistant pathogenic bacteria in recent decades leads us to an urgent need for the development of new antibacterial agents. The species of the genus Amycolatopsis are known as producers of secondary metabolites that are used in medicine and agriculture. The complete genome sequences of the Amycolatopsis demonstrate a wide variety of biosynthetic gene clusters, which highlights the potential ability of actinomycetes of this genus to produce new antibiotics. In this review, we summarize information about antibiotics produced by Amycolatopsis species. This knowledge demonstrates the prospects for further study of this genus as an enormous source of antibiotics.
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Low CX, Tan LTH, Ab Mutalib NS, Pusparajah P, Goh BH, Chan KG, Letchumanan V, Lee LH. Unveiling the Impact of Antibiotics and Alternative Methods for Animal Husbandry: A Review. Antibiotics (Basel) 2021; 10:578. [PMID: 34068272 PMCID: PMC8153128 DOI: 10.3390/antibiotics10050578] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 05/07/2021] [Accepted: 05/09/2021] [Indexed: 02/07/2023] Open
Abstract
Since the 1950s, antibiotics have been used in the field of animal husbandry for growth promotion, therapy and disease prophylaxis. It is estimated that up to 80% of the antibiotics produced by the pharmaceutical industries are used in food production. Most of the antibiotics are used as feed additives at sub-therapeutic levels to promote growth. However, studies show the indiscriminate use of antibiotics has led to the emergence of multidrug-resistant pathogens that threaten both animal health and human health, including vancomycin-resistant Enterococcus (VRE), Methicillin-resistant Staphylococcus aureus (MRSA) and carbapenem-resistant Enterobacteriaceae (CRE). This scenario is further complicated by the slow progress in achieving scientific breakthroughs in uncovering novel antibiotics following the 1960s. Most of the pharmaceutical industries have long diverted research funds away from the field of antibiotic discovery to more lucrative areas of drug development. If this situation is allowed to continue, humans will return to the pre-antibiotics era and potentially succumb to huge health and economic consequences. Fortunately, studies investigating various alternatives to antibiotics use in livestock show promising results. These alternatives include the application of bacteriophages and phage derived peptidoglycan degrading enzymes, engineered peptides, egg yolk antibodies, probiotics, prebiotics and synbiotics, as well as quorum quenching molecules. Therefore, this review aims to discuss the use of growth-promoting antibiotics and their impact on livestock and provide insights on the alternative approaches for animal husbandry.
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Affiliation(s)
- Chuen Xian Low
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
| | - Loh Teng-Hern Tan
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
- Clinical School Johor Bahru, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Johor Bahru 80100, Malaysia
| | - Nurul-Syakima Ab Mutalib
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
- UKM Medical Molecular Biology Institute (UMBI), UKM Medical Centre, Universiti Kebangsaan Malaysia, Kuala Lumpur 50603, Malaysia
| | - Priyia Pusparajah
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
| | - Bey-Hing Goh
- Biofunctional Molecule Exploratory Research Group (BMEX), School of Pharmacy, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia;
- College of Pharmaceutical Sciences, Zhenjiang University, Hangzhou 310058, China
| | - Kok-Gan Chan
- Division of Genetics and Molecular Biology, Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia
- International Genome Centre, Jiangsu University, Zhenjiang 212013, China
| | - Vengadesh Letchumanan
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
| | - Learn-Han Lee
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
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Dafale NA, Srivastava S, Purohit HJ. Zoonosis: An Emerging Link to Antibiotic Resistance Under "One Health Approach". Indian J Microbiol 2020; 60:139-152. [PMID: 32255846 DOI: 10.1007/s12088-020-00860-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 02/27/2020] [Indexed: 02/07/2023] Open
Abstract
Current scenario in communicable diseases has generated new era that identifies the "One health" approach to understand the sharing and management of etiological agents with its impact on ecosystem. Under this context the relevance of zoonotic diseases generates major concern. The indiscriminate and higher use of antibiotics in animal husbandry creates substantial pressure on the gut microbiome for development of resistance due to shorter generation time and high density. Thus, gut works as a bioreactor for the breeding of ARBs in this scenario and are continuously released in different niches. These ARBs transfer resistance genes among native flora through horizontal gene transfer events, vectors and quorum sensing. About 60% of infectious diseases in human are caused by zoonotic pathogens have potential to carry ARGs which could be transmitted to humans. The well documented zoonotic diseases are anthrax cause by Bacillus anthracis, bovine tuberculosis by Mycobacterium tuberculosis, brucellosis by Brucella abortus, and hemorrhagic colitis by Escherichia coli. Similarly, most of the antibiotics are not completely metabolized and released in unmetabolized forms which enters the food chain and affect various ecological niches through bioaccumulation. The persistence period of antibiotics ranges from < 1 to 3466 days in environment. The consequences of misusing the antibiotic in livestock and their fate in various ecological niches have been discussed in this review. Further the light sheds on antibiotics persistence and it biodegradation through different abiotic and biotic approaches in environment. The knowledge on personnel hygiene and strong surveillance system for zoonotic disease including ARBs transmission, prevention and control measures should be established to regulate the spread of AMR in the environment and subsequently to the human being through a food web.
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Affiliation(s)
- Nishant A Dafale
- CSIR-National Environmental Engineering Research Institute, Nagpur, 440 020 India
| | - Shweta Srivastava
- CSIR-National Environmental Engineering Research Institute, Nagpur, 440 020 India
| | - Hemant J Purohit
- CSIR-National Environmental Engineering Research Institute, Nagpur, 440 020 India
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Du F, Lv X, Duan D, Wang L, Huang J. Characterization of a Linezolid- and Vancomycin-Resistant Streptococcus suis Isolate That Harbors optrA and vanG Operons. Front Microbiol 2019; 10:2026. [PMID: 31551963 PMCID: PMC6746840 DOI: 10.3389/fmicb.2019.02026] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 08/19/2019] [Indexed: 12/11/2022] Open
Abstract
Linezolid and vancomycin are among the last-resort antimicrobial agents in the treatment of multidrug-resistant Gram-positive bacterial infections. Linezolid- and vancomycin-resistant (LVR) Gram-positive bacteria may pose severe threats to public health. In this study, three optrA- and vanG-positive Streptococcus suis strains were isolated from two farms of different cities. There were only 1 and 343 single-nucleotide polymorphisms in coding region (cSNPs) of HCB4 and YSJ7 to YSJ17, respectively. Mobilome analysis revealed the presence of vanG, erm(B), tet(O/W/32/O), and aadE-apt-sat4-aphA3 cluster on an integrative and conjugative element, ICESsuYSJ17, and erm(B), aphA3, aac(6')-aph(2″), catpC194, and optrA on a prophage, ΦSsuYSJ17-3. ICESsuYSJ17 exhibited a mosaic structure and belongs to a highly prevalent and transferable ICESa2603 family of Streptococcus species. ΦSsuYSJ17-3 shared conserved backbone to a transferable prophage Φm46.1. A novel composite transposon, IS1216E-araC-optrA-hp-catpC194-IS1216E, which can be circulated as translocatable unit (TU) by IS1216E, was integrated on ΦSsuYSJ17-3. Vancomycin resistance phenotype and vanG transcription assays revealed that the vanG operon was inducible. The LVR strain YSJ17 exhibited moderate virulence in a zebrafish infection model. To our knowledge, this is the first report of LVR isolate, which is mediated by acquired resistance genes optrA and vanG operons in Gram-positive bacteria. Since S. suis has been recognized as an antimicrobial resistance reservoir in the spread of resistance genes to major streptococcal pathogens, the potential risks of disseminating of optrA and vanG from S. suis to other Streptococcus spp. are worrisome and routine surveillance should be strengthened.
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Affiliation(s)
- Fanshu Du
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Xi Lv
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Duan Duan
- 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
| | - Jinhu Huang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
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