1
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Sarkar S, Anyaso-Samuel S, Qiu P, Datta S. Multiblock partial least squares and rank aggregation: Applications to detection of bacteriophages associated with antimicrobial resistance in the presence of potential confounding factors. Stat Med 2024; 43:2527-2546. [PMID: 38618705 DOI: 10.1002/sim.10058] [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: 10/02/2023] [Revised: 01/31/2024] [Accepted: 02/27/2024] [Indexed: 04/16/2024]
Abstract
Urban environments, characterized by bustling mass transit systems and high population density, host a complex web of microorganisms that impact microbial interactions. These urban microbiomes, influenced by diverse demographics and constant human movement, are vital for understanding microbial dynamics. We explore urban metagenomics, utilizing an extensive dataset from the Metagenomics & Metadesign of Subways & Urban Biomes (MetaSUB) consortium, and investigate antimicrobial resistance (AMR) patterns. In this pioneering research, we delve into the role of bacteriophages, or "phages"-viruses that prey on bacteria and can facilitate the exchange of antibiotic resistance genes (ARGs) through mechanisms like horizontal gene transfer (HGT). Despite their potential significance, existing literature lacks a consensus on their significance in ARG dissemination. We argue that they are an important consideration. We uncover that environmental variables, such as those on climate, demographics, and landscape, can obscure phage-resistome relationships. We adjust for these potential confounders and clarify these relationships across specific and overall antibiotic classes with precision, identifying several key phages. Leveraging machine learning tools and validating findings through clinical literature, we uncover novel associations, adding valuable insights to our comprehension of AMR development.
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Affiliation(s)
- Shoumi Sarkar
- Department of Biostatistics, University of Florida, Gainesville, Florida
| | | | - Peihua Qiu
- Department of Biostatistics, University of Florida, Gainesville, Florida
| | - Somnath Datta
- Department of Biostatistics, University of Florida, Gainesville, Florida
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2
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Di Francesco A, Salvatore D, Ranucci A, Gobbi M, Morandi B. Antimicrobial resistance in wildlife: detection of antimicrobial resistance genes in Apennine wolves (Canis lupus italicus Altobello, 1921) from Central Italy. Vet Res Commun 2024; 48:1941-1947. [PMID: 38499909 PMCID: PMC11147935 DOI: 10.1007/s11259-024-10354-8] [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: 01/21/2024] [Accepted: 03/10/2024] [Indexed: 03/20/2024]
Abstract
The aim of this study was to molecularly investigate the presence of antimicrobial resistance genes (ARGs) in organ samples from 11 Apennine wolves (Canis lupus italicus) collected in Central Italy. Samples from lung, liver, spleen, kidney, tongue and intestine were investigated by PCRs targeting the following genes: tet(A), tet(B), tet(C), tet(D), tet(E), tet(G), tet(K), tet(L), tet(M), tet(O), tetA(P), tet(Q), tet(S), tet(X), sul1, sul2, sul3, blaCTX-M, blaSHV, blaTEM and mcr-1. A PCR positivity was highlighted for 13 out of the 21 tested genes; no positive results were obtained for tet(C), tet(D), tet(E), tet(G), sul3, blaCTX, blaSHV and mcr-1 genes. All 11 animals sampled showed positivity for one or more resistance genes. The results confirm the potential role of the wolf as an indicator and/or vector of antimicrobial-resistant bacteria or ARGs.
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Affiliation(s)
- A Di Francesco
- Department of Veterinary Medical Sciences (DIMEVET), University of Bologna, Ozzano dell' Emilia (BO), Bologna, Italy.
| | - D Salvatore
- Department of Veterinary Medical Sciences (DIMEVET), University of Bologna, Ozzano dell' Emilia (BO), Bologna, Italy
| | - A Ranucci
- Istituto Zooprofilattico dell'Umbria e delle Marche 'Togo Rosati' Perugia, Perugia, Italy
| | - M Gobbi
- Istituto Zooprofilattico dell'Umbria e delle Marche 'Togo Rosati' Perugia, Perugia, Italy
| | - B Morandi
- Istituto Zooprofilattico dell'Umbria e delle Marche 'Togo Rosati' Perugia, Perugia, Italy
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3
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Wiśniewski P, Zakrzewski A, Chajęcka-Wierzchowska W, Zadernowska A. Possibility of transfer and activation of 'silent' tetracycline resistance genes among Enterococcus faecalis under high-pressure processing. Food Microbiol 2024; 120:104481. [PMID: 38431327 DOI: 10.1016/j.fm.2024.104481] [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: 06/14/2023] [Revised: 01/10/2024] [Accepted: 01/23/2024] [Indexed: 03/05/2024]
Abstract
In this study, the tetracycline resistance of Enterococcus faecalis strains isolated from food was determined and molecular analyses of the resistance background were performed by determining the frequency of selected tetracycline resistance genes. In addition, the effect of high-pressure stress (400 and 500 MPa) on the expression of selected genes encoding tetracycline resistance was determined, as well as changes in the frequency of transfer of these genes in isolates showing sensitivity to tetracyclines. In our study, we observed an increase in the expression of genes encoding tetracyclines, especially the tet(L) gene, mainly under 400 MPa pressure. The study confirmed the possibility of transferring genes encoding tetracyclines such as tet(M), tet(L), tet(K), tet(W) and tet(O) by horizontal gene transfer in both control strains and exposed to high-pressure. Exposure of the strains to 400 MPa pressure had a greater effect on the possibility of gene transfer and expression than the application of a higher-pressure. To our knowledge, this study for the first time determined the effect of high-pressure stress on the expression of selected genes encoding tetracycline resistance, as well as the possibility and changes in the frequency of transfer of these genes in Enterococcus faecalis isolates showing sensitivity to tetracyclines and possessing silent genes. Due to the observed possibility of increased expression of some of the genes encoding tetracycline resistance and the possibility of their spread by horizontal gene transfer to other microorganisms in the food environment, under the influence of high-pressure processing in strains phenotypically susceptible to this antibiotic, it becomes necessary to monitor this ability in isolates derived from foods.
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Affiliation(s)
- Patryk Wiśniewski
- Department of Food Microbiology, Meat Technology and Chemistry, Faculty of Food Science, University of Warmia and Mazury, Plac Cieszyński 1, 10-718, Olsztyn, Poland.
| | - Arkadiusz Zakrzewski
- Department of Food Microbiology, Meat Technology and Chemistry, Faculty of Food Science, University of Warmia and Mazury, Plac Cieszyński 1, 10-718, Olsztyn, Poland
| | - Wioleta Chajęcka-Wierzchowska
- Department of Food Microbiology, Meat Technology and Chemistry, Faculty of Food Science, University of Warmia and Mazury, Plac Cieszyński 1, 10-718, Olsztyn, Poland
| | - Anna Zadernowska
- Department of Food Microbiology, Meat Technology and Chemistry, Faculty of Food Science, University of Warmia and Mazury, Plac Cieszyński 1, 10-718, Olsztyn, Poland
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Yovi I, Syah NA, Anggraini D, Simanjuntak AM, Hanifah ZN, Elliyanti A. A comparative analysis between next-generation sequencing and conventional culture method to detect empyema-associated microorganisms: A systematic review. NARRA J 2024; 4:e650. [PMID: 38798844 PMCID: PMC11125311 DOI: 10.52225/narra.v4i1.650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 04/22/2024] [Indexed: 05/29/2024]
Abstract
Empyema poses a significant global health concern, yet identifying responsible bacteria remains elusive. Recent studies question the efficacy of conventional pleural fluid culture in accurately identifying empyema-causing bacteria. The aim of this study was to compare diagnostic capabilities of next-generation sequencing (NGS) with conventional pleural fluid culture in identifying empyema-causing bacteria. Five databases (Google Scholar, Science Direct, Cochrane, Research Gate, and PubMed) were used to search studies comparing conventional pleural fluid culture with NGS for identifying empyema-causing bacteria using keywords. Positive results identified through conventional pleural fluid culture and NGS were extracted. In addition, bacterial profiles identified by NGS were also documented. Joanna-Briggs Institute (JBI) critical appraisal tool was employed to assess quality of included studies. Descriptive analysis was employed to present outcome of interests. From five databases, three studies, with 354 patients, were included. Findings from three studies showed that NGS outperformed conventional pleural fluid culture in detecting empyema-causing bacteria even in culture-negative samples. Moreover, dominant bacterial profiles identified through NGS included Streptococcus pneumoniae, Staphylococcus aureus, and anaerobic bacteria. In conclusion, NGS outperforms conventional pleural fluid culture in detection empyema-causing bacteria, yet further studies with larger samples and broader bacterial profiles are needed to increase confidence and urgency in its adoption over conventional pleural fluid culture.
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Affiliation(s)
- Indra Yovi
- Doctoral Program of Biomedicine, Faculty of Medicine, Universitas Andalas, Padang, Indonesia
- Arifin Achmad Hospital, Pekanbaru, Riau, Indonesia
- Eka Hospital, Pekanbaru, Riau, Indonesia
- Department of Pulmonology, Faculty of Medicine, Universitas Riau, Pekanbaru, Indonesia
| | - Nur A. Syah
- Department of Medical Education, Faculty of Medicine, Universitas Andalas, Padang, Indonesia
| | - Dewi Anggraini
- Arifin Achmad Hospital, Pekanbaru, Riau, Indonesia
- Eka Hospital, Pekanbaru, Riau, Indonesia
- Department of Microbiology, Faculty of Medicine, Universitas Riau, Pekanbaru, Indonesia
| | - Arya M. Simanjuntak
- Department of Pulmonology, Faculty of Medicine, Universitas Riau, Pekanbaru, Indonesia
| | - Zulfa N. Hanifah
- Department of Microbiology, Faculty of Medicine, Universitas Riau, Pekanbaru, Indonesia
| | - Aisyah Elliyanti
- Division of Nuclear Medicine, Department of Radiology, Faculty of Medicine, Universitas Andalas, Padang, Indonesia
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Rekadwad BN, Pramod N, Rao MPN, Hashem A, Avila-Quezada GD, Abd_Allah EF. Identification and specificity validation of unique and antimicrobial resistance genes to trace suspected pathogenic AMR bacteria and to monitor the development of AMR in non-AMR strains in the environment and clinical settings. Saudi J Biol Sci 2023; 30:103869. [PMID: 38058762 PMCID: PMC10696110 DOI: 10.1016/j.sjbs.2023.103869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 10/24/2023] [Accepted: 11/02/2023] [Indexed: 12/08/2023] Open
Abstract
The detection of developing antimicrobial resistance (AMR) has become a global issue. The detection of developing antimicrobial resistance has become a global issue. The growing number of AMR bacteria poses a new threat to public health. Therefore, a less laborious and quick confirmatory test becomes important for further investigations into developing AMR in the environment and in clinical settings. This study aims to present a comprehensive analysis and validation of unique and antimicrobial-resistant strains from the WHO priority list of antimicrobial-resistant bacteria and previously reported AMR strains such as Acinetobacter baumannii, Aeromonas spp., Anaeromonas frigoriresistens, Anaeromonas gelatinfytica, Bacillus spp., Campylobacter jejuni subsp. jejuni, Enterococcus faecalis, Escherichia coli, Haemophilus influenzae, Helicobacter pylori, Klebsiella pneumonia subsp. pneumoniae, Pseudomonas aeruginosa, Salmonella enterica subsp. enterica serovar Typhimurium, Thermanaeromonas toyohensis, and Vibrio proteolyticus. Using in-house designed gene-specific primers, 18 different antibiotic resistance genes (algJ, alpB, AQU-1, CEPH-A3, ciaB, CMY-1-MOX-7, CMY-1-MOX-9, CMY-1/MOX, cphA2, cphA5, cphA7, ebpA, ECP_4655, fliC, OXA-51, RfbU, ThiU2, and tolB) from 46 strains were selected and validated. Hence, this study provides insight into the identification of strain-specific, unique antimicrobial resistance genes. Targeted amplification and verification using selected unique marker genes have been reported. Thus, the present detection and validation use a robust method for the entire experiment. Results also highlight the presence of another set of 18 antibiotic-resistant and unique genes (Aqu1, cphA2, cphA3, cphA5, cphA7, cmy1/mox7, cmy1/mox9, asaI, ascV, asoB, oxa-12, acr-2, pepA, uo65, pliI, dr0274, tapY2, and cpeT). Of these sets of genes, 15 were found to be suitable for the detection of pathogenic strains belonging to the genera Aeromonas, Pseudomonas, Helicobacter, Campylobacter, Enterococcus, Klebsiella, Acinetobacter, Salmonella, Haemophilus, and Bacillus. Thus, we have detected and verified sets of unique and antimicrobial resistance genes in bacteria on the WHO Priority List and from published reports on AMR bacteria. This study offers advantages for confirming antimicrobial resistance in all suspected AMR bacteria and monitoring the development of AMR in non-AMR bacteria, in the environment, and in clinical settings.
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Affiliation(s)
- Bhagwan Narayan Rekadwad
- Microbe AI Lab, Department of Microbiology and Biotechnology, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, Karnataka, India
| | - Nanditha Pramod
- Department of Biochemistry and Molecular Biology, Pondicherry University, Pondicherry 605014, India
| | - Manik Prabhu Narsing Rao
- Instituto de Ciencias Químicas Aplicadas, Facultad de Ingeniería, Universidad Autónoma de Chile, Sede Talca, Talca 3460000, Chile
| | - Abeer Hashem
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box. 2460, Riyadh 11451, Saudi Arabia
| | | | - Elsayed Fathi Abd_Allah
- Plant Production Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box. 2460, Riyadh 11451, Saudi Arabia
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6
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Di Francesco A, Salvatore D, Gobbi M, Morandi B. Antimicrobial resistance genes in a golden jackal (Canis aureus L. 1758) from Central Italy. Vet Res Commun 2023; 47:2351-2355. [PMID: 37436553 DOI: 10.1007/s11259-023-10172-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 07/08/2023] [Indexed: 07/13/2023]
Abstract
In recent years an increasing interest has been focused on the contribution of wildlife in ecology and evolution of the antimicrobial resistance (AMR). The aim of this study was to molecularly investigate the presence of antimicrobial resistance genes (ARGs) in organ samples from a golden jackal (Canis aureus) found dead in the Marche region (Central Italy). Samples from lung, liver, spleen, kidney, and intestine were investigated by PCRs targeting the following genes: tet(A), tet(B), tet(C), tet(D), tet(E), tet(G), tet(K), tet(L), tet(M), tet(O), tet(S), tet(P), tet(Q), tet(X), sul1, sul2, sul3, blaCTX-M, blaSHV, blaTEM, and mcr-1 to mcr-10. One or more ARGs were detected in all organs tested, except the spleen. Specifically, the lung and liver were positive for tet(M) and tet(P), the kidney for mcr-1 and the intestine for tet(A), tet(L), tet(M), tet(O), tet(P), sul3 and blaTEM-1. These results, according to the opportunistic foraging strategy of the jackal, confirm its potential role as a good bioindicator of AMR environmental contamination.
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Affiliation(s)
- A Di Francesco
- Department of Veterinary Medical Sciences (DIMEVET), University of Bologna, Ozzano dell' Emilia (BO), Italy.
| | - D Salvatore
- Department of Veterinary Medical Sciences (DIMEVET), University of Bologna, Ozzano dell' Emilia (BO), Italy
| | - M Gobbi
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche 'Togo Rosati', Perugia, Italy
| | - B Morandi
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche 'Togo Rosati', Perugia, Italy
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Muteeb G, Rehman MT, Shahwan M, Aatif M. Origin of Antibiotics and Antibiotic Resistance, and Their Impacts on Drug Development: A Narrative Review. Pharmaceuticals (Basel) 2023; 16:1615. [PMID: 38004480 PMCID: PMC10675245 DOI: 10.3390/ph16111615] [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: 09/07/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
Antibiotics have revolutionized medicine, saving countless lives since their discovery in the early 20th century. However, the origin of antibiotics is now overshadowed by the alarming rise in antibiotic resistance. This global crisis stems from the relentless adaptability of microorganisms, driven by misuse and overuse of antibiotics. This article explores the origin of antibiotics and the subsequent emergence of antibiotic resistance. It delves into the mechanisms employed by bacteria to develop resistance, highlighting the dire consequences of drug resistance, including compromised patient care, increased mortality rates, and escalating healthcare costs. The article elucidates the latest strategies against drug-resistant microorganisms, encompassing innovative approaches such as phage therapy, CRISPR-Cas9 technology, and the exploration of natural compounds. Moreover, it examines the profound impact of antibiotic resistance on drug development, rendering the pursuit of new antibiotics economically challenging. The limitations and challenges in developing novel antibiotics are discussed, along with hurdles in the regulatory process that hinder progress in this critical field. Proposals for modifying the regulatory process to facilitate antibiotic development are presented. The withdrawal of major pharmaceutical firms from antibiotic research is examined, along with potential strategies to re-engage their interest. The article also outlines initiatives to overcome economic challenges and incentivize antibiotic development, emphasizing international collaborations and partnerships. Finally, the article sheds light on government-led initiatives against antibiotic resistance, with a specific focus on the Middle East. It discusses the proactive measures taken by governments in the region, such as Saudi Arabia and the United Arab Emirates, to combat this global threat. In the face of antibiotic resistance, a multifaceted approach is imperative. This article provides valuable insights into the complex landscape of antibiotic development, regulatory challenges, and collaborative efforts required to ensure a future where antibiotics remain effective tools in safeguarding public health.
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Affiliation(s)
- Ghazala Muteeb
- Department of Nursing, College of Applied Medical Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Md Tabish Rehman
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11437, Saudi Arabia;
- Center for Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman 346, United Arab Emirates;
| | - Moayad Shahwan
- Center for Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman 346, United Arab Emirates;
- Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman 346, United Arab Emirates
| | - Mohammad Aatif
- Department of Public Health, College of Applied Medical Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia;
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Yamin D, Uskoković V, Wakil AM, Goni MD, Shamsuddin SH, Mustafa FH, Alfouzan WA, Alissa M, Alshengeti A, Almaghrabi RH, Fares MAA, Garout M, Al Kaabi NA, Alshehri AA, Ali HM, Rabaan AA, Aldubisi FA, Yean CY, Yusof NY. Current and Future Technologies for the Detection of Antibiotic-Resistant Bacteria. Diagnostics (Basel) 2023; 13:3246. [PMID: 37892067 PMCID: PMC10606640 DOI: 10.3390/diagnostics13203246] [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: 09/30/2023] [Revised: 10/14/2023] [Accepted: 10/15/2023] [Indexed: 10/29/2023] Open
Abstract
Antibiotic resistance is a global public health concern, posing a significant threat to the effectiveness of antibiotics in treating bacterial infections. The accurate and timely detection of antibiotic-resistant bacteria is crucial for implementing appropriate treatment strategies and preventing the spread of resistant strains. This manuscript provides an overview of the current and emerging technologies used for the detection of antibiotic-resistant bacteria. We discuss traditional culture-based methods, molecular techniques, and innovative approaches, highlighting their advantages, limitations, and potential future applications. By understanding the strengths and limitations of these technologies, researchers and healthcare professionals can make informed decisions in combating antibiotic resistance and improving patient outcomes.
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Affiliation(s)
- Dina Yamin
- Al-Karak Public Hospital, Karak 61210, Jordan;
- Institute for Research in Molecular Medicine, University Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, University Malaysia Kelantan, Kota Bharu 16100, Kelantan, Malaysia;
| | - Vuk Uskoković
- TardigradeNano LLC., Irvine, CA 92604, USA;
- Department of Mechanical Engineering, San Diego State University, San Diego, CA 92182, USA
| | - Abubakar Muhammad Wakil
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, University Malaysia Kelantan, Kota Bharu 16100, Kelantan, Malaysia;
- Department of Veterinary Physiology and Biochemistry, Faculty of Veterinary Medicine, University of Maiduguri, Maiduguri 600104, Borno, Nigeria
| | - Mohammed Dauda Goni
- Public Health and Zoonoses Research Group, Faculty of Veterinary Medicine, University Malaysia Kelantan, Pengkalan Chepa 16100, Kelantan, Malaysia;
| | - Shazana Hilda Shamsuddin
- Department of Pathology, School of Medical Sciences, University Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia;
| | - Fatin Hamimi Mustafa
- Department of Electronic & Computer Engineering, Faculty of Electrical Engineering, University Teknologi Malaysia, Johor Bharu 81310, Johor, Malaysia;
| | - Wadha A. Alfouzan
- Department of Microbiology, Faculty of Medicine, Kuwait University, Safat 13110, Kuwait;
- Microbiology Unit, Department of Laboratories, Farwania Hospital, Farwania 85000, Kuwait
| | - Mohammed Alissa
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia;
| | - Amer Alshengeti
- Department of Pediatrics, College of Medicine, Taibah University, Al-Madinah 41491, Saudi Arabia;
- Department of Infection Prevention and Control, Prince Mohammad Bin Abdulaziz Hospital, National Guard Health Affairs, Al-Madinah 41491, Saudi Arabia
| | - Rana H. Almaghrabi
- Pediatric Department, Prince Sultan Medical Military City, Riyadh 12233, Saudi Arabia;
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia;
| | - Mona A. Al Fares
- Department of Internal Medicine, King Abdulaziz University Hospital, Jeddah 21589, Saudi Arabia;
| | - Mohammed Garout
- Department of Community Medicine and Health Care for Pilgrims, Faculty of Medicine, Umm Al-Qura University, Makkah 21955, Saudi Arabia;
| | - Nawal A. Al Kaabi
- College of Medicine and Health Science, Khalifa University, Abu Dhabi 127788, United Arab Emirates;
- Sheikh Khalifa Medical City, Abu Dhabi Health Services Company (SEHA), Abu Dhabi 51900, United Arab Emirates
| | - Ahmad A. Alshehri
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia;
| | - Hamza M. Ali
- Department of Medical Laboratories Technology, College of Applied Medical Sciences, Taibah University, Madinah 41411, Saudi Arabia;
| | - Ali A. Rabaan
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia;
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran 31311, Saudi Arabia
- Department of Public Health and Nutrition, The University of Haripur, Haripur 22610, Pakistan
| | | | - Chan Yean Yean
- Department of Medical Microbiology & Parasitology, School of Medical Sciences, University Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
| | - Nik Yusnoraini Yusof
- Institute for Research in Molecular Medicine, University Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
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Rattanachak N, Weawsiangsang S, Baldock RA, Jaifoo T, Jongjitvimol T, Jongjitwimol J. A Novel and Quantitative Detection Assay ( effluxR) for Identifying Efflux-Associated Resistance Genes Using Multiplex Digital PCR in Clinical Isolates of Pseudomonas aeruginosa. Methods Protoc 2023; 6:96. [PMID: 37888028 PMCID: PMC10608825 DOI: 10.3390/mps6050096] [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: 08/21/2023] [Revised: 09/26/2023] [Accepted: 10/05/2023] [Indexed: 10/28/2023] Open
Abstract
The rise of multidrug resistance of Pseudomonas aeruginosa highlights an increased need for selective and precise antimicrobial treatment. Drug efflux pumps are one of the major mechanisms of antimicrobial resistance found in many bacteria, including P. aeruginosa. Detection of efflux genes using a polymerase chain reaction (PCR)-based system would enable resistance detection and aid clinical decision making. Therefore, we aimed to develop and optimize a novel method herein referred to as "effluxR detection assay" using multiplex digital PCR (mdPCR) for detection of mex efflux pump genes in P. aeruginosa strains. The annealing/extension temperatures and gDNA concentrations were optimized to amplify mexB, mexD, and mexY using the multiplex quantitative PCR (mqPCR) system. We established the optimal mqPCR conditions for the assay (Ta of 59 °C with gDNA concentrations at or above 0.5 ng/µL). Using these conditions, we were able to successfully detect the presence of these genes in a quantity-dependent manner. The limit of detection for mex genes using the effluxR detection assay with mdPCR was 0.001 ng/µL (7.04-34.81 copies/µL). Moreover, using blind sample testing, we show that effluxR detection assay had 100% sensitivity and specificity for detecting mex genes in P. aeruginosa. In conclusion, the effluxR detection assay, using mdPCR, is able to identify the presence of multiple mex genes in P. aeruginosa that may aid clinical laboratory decisions and further epidemiological studies.
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Affiliation(s)
- Nontaporn Rattanachak
- Biomedical Sciences Program, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok 65000, Thailand; (N.R.); (S.W.)
| | - Sattaporn Weawsiangsang
- Biomedical Sciences Program, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok 65000, Thailand; (N.R.); (S.W.)
| | - Robert A. Baldock
- School of Pharmacy and Biomedical Sciences, Faculty of Science and Health, University of Portsmouth, Portsmouth PO1 2DT, UK;
| | - Theerasak Jaifoo
- Master of Science Program in Medical Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok 65000, Thailand;
| | - Touchkanin Jongjitvimol
- Biology Program, Faculty of Science and Technology, Pibulsongkram Rajabhat University, Phitsanulok 65000, Thailand
| | - Jirapas Jongjitwimol
- Department of Medical Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok 65000, Thailand
- Centre of Excellence in Biomaterials, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand
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10
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Tayyab M, Barrett D, van Riel G, Liu S, Reinius B, Scharfe C, Griffin P, Steinmetz LM, Javanmard M, Pelechano V. Digital assay for rapid electronic quantification of clinical pathogens using DNA nanoballs. SCIENCE ADVANCES 2023; 9:eadi4997. [PMID: 37672583 PMCID: PMC10482329 DOI: 10.1126/sciadv.adi4997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 08/04/2023] [Indexed: 09/08/2023]
Abstract
Fast and accurate detection of nucleic acids is key for pathogen identification. Methods for DNA detection generally rely on fluorescent or colorimetric readout. The development of label-free assays decreases costs and test complexity. We present a novel method combining a one-pot isothermal generation of DNA nanoballs with their detection by electrical impedance. We modified loop-mediated isothermal amplification by using compaction oligonucleotides that self-assemble the amplified target into nanoballs. Next, we use capillary-driven flow to passively pass these nanoballs through a microfluidic impedance cytometer, thus enabling a fully compact system with no moving parts. The movement of individual nanoballs is detected by a change in impedance providing a quantized readout. This approach is flexible for the detection of DNA/RNA of numerous targets (severe acute respiratory syndrome coronavirus 2, HIV, β-lactamase gene, etc.), and we anticipate that its integration into a standalone device would provide an inexpensive (<$5), sensitive (10 target copies), and rapid test (<1 hour).
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Affiliation(s)
- Muhammad Tayyab
- Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Donal Barrett
- SciLifeLab, Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Solna, Sweden
| | - Gijs van Riel
- SciLifeLab, Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Solna, Sweden
| | - Shujing Liu
- SciLifeLab, Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Solna, Sweden
- International Institute of Tea Industry Innovation for the Belt and Road, Nanjing Agricultural University, Nanjing 210095, China
| | - Björn Reinius
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Solna, Sweden
| | | | - Peter Griffin
- Stanford Genome Technology Center, Stanford, CA, USA
| | - Lars M. Steinmetz
- Stanford Genome Technology Center, Stanford, CA, USA
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Mehdi Javanmard
- Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Vicent Pelechano
- SciLifeLab, Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Solna, Sweden
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11
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Theophilus RJ, Taft DH. Antimicrobial Resistance Genes (ARGs), the Gut Microbiome, and Infant Nutrition. Nutrients 2023; 15:3177. [PMID: 37513595 PMCID: PMC10383493 DOI: 10.3390/nu15143177] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
The spread of antimicrobial resistance genes (ARGs) is a major public health crisis, with the ongoing spread of ARGs leading to reduced efficacy of antibiotic treatments. The gut microbiome is a key reservoir for ARGs, and because diet shapes the gut microbiome, diet also has the potential to shape the resistome. This diet-gut microbiome-resistome relationship may also be important in infants and young children. This narrative review examines what is known about the interaction between the infant gut microbiome, the infant resistome, and infant nutrition, including exploring the potential of diet to mitigate infant ARG carriage. While more research is needed, diet has the potential to reduce infant and toddler carriage of ARGs, an important goal as part of maintaining the efficacy of available antibiotics and preserving infant and toddler health.
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Affiliation(s)
- Rufus J Theophilus
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL 32611, USA
| | - Diana Hazard Taft
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL 32611, USA
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12
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Buszewski B, Błońska D, Kłodzińska E, Konop M, Kubesová A, Šalplachta J. Determination of Pathogens by Electrophoretic and Spectrometric Techniques. Crit Rev Anal Chem 2023:1-24. [PMID: 37326587 DOI: 10.1080/10408347.2023.2219748] [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: 06/17/2023]
Abstract
In modern medical diagnostics, where analytical chemistry plays a key role, fast and accurate identification of pathogens is becoming increasingly important. Infectious diseases pose a growing threat to public health due to population growth, international air travel, bacterial resistance to antibiotics, and other factors. For instance, the detection of SARS-CoV-2 in patient samples is a key tool to monitor the spread of the disease. While there are several techniques for identifying pathogens by their genetic code, most of these methods are too expensive or slow to effectively analyze clinical and environmental samples that may contain hundreds or even thousands of different microbes. Standard approaches (e.g., culture media and biochemical assays) are known to be very time- and labor-intensive. The purpose of this review paper is to highlight the problems associated with the analysis and identification of pathogens that cause many serious infections. Special attention was paid to the description of mechanisms and the explanation of the phenomena and processes occurring on the surface of pathogens as biocolloids (charge distribution). This review also highlights the importance of electromigration techniques and demonstrates their potential for pathogen pre-separation and fractionation and demonstrates the use of spectrometric methods, such as MALDI-TOF MS, for their detection and identification.
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Affiliation(s)
- Bogusław Buszewski
- Prof. Jan Czochralski Kuyavian-Pomeranian Research & Development Centre, Torun, Poland
- Department of Environmental Chemistry and Bioanalytics, Nicolaus Copernicus University in Toruń, Torun, Poland
| | - Dominika Błońska
- Department of Environmental Chemistry and Bioanalytics, Nicolaus Copernicus University in Toruń, Torun, Poland
- Centre for Modern Interdisciplinary Technologies, Torun, Poland
| | - Ewa Kłodzińska
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Marek Konop
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Anna Kubesová
- Institute of Analytical Chemistry of the CAS, Brno, Czech Republic
| | - Jiří Šalplachta
- Institute of Analytical Chemistry of the CAS, Brno, Czech Republic
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13
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Bălan AM, Bodolea C, Trancă SD, Hagău N. Trends in Molecular Diagnosis of Nosocomial Pneumonia Classic PCR vs. Point-of-Care PCR: A Narrative Review. Healthcare (Basel) 2023; 11:healthcare11091345. [PMID: 37174887 PMCID: PMC10177880 DOI: 10.3390/healthcare11091345] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/23/2023] [Accepted: 05/05/2023] [Indexed: 05/15/2023] Open
Abstract
Nosocomial pneumonia is one of the most frequent hospital-acquired infections. One of the types of nosocomial pneumonia is ventilator-associated pneumonia, which occurs in endotracheally intubated patients in intensive care units (ICU). Ventilator-associated pneumonia may be caused by multidrug-resistant pathogens, which increase the risk of complications due to the difficulty in treating them. Pneumonia is a respiratory disease that requires targeted antimicrobial treatment initiated as early as possible to have a good outcome. For the therapy to be as specific and started sooner, diagnostic methods have evolved rapidly, becoming quicker and simpler to perform. Polymerase chain reaction (PCR) is a rapid diagnostic technique with numerous advantages compared to classic plate culture-based techniques. Researchers continue to improve diagnostic methods; thus, the newest types of PCR can be performed at the bedside, in the ICU, so-called point of care testing-PCR (POC-PCR). The purpose of this review is to highlight the benefits and drawbacks of PCR-based techniques in managing nosocomial pneumonia.
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Affiliation(s)
- Andrei-Mihai Bălan
- Department of Anaesthesia and Intensive Care 2, "Iuliu Hatieganu", University of Medicine and Pharmacy Cluj-Napoca, 400012 Cluj-Napoca, Romania
- Department of Anaesthesia and Intensive Care, Municipal Clinical Hospital, 400139 Cluj-Napoca, Romania
| | - Constantin Bodolea
- Department of Anaesthesia and Intensive Care 2, "Iuliu Hatieganu", University of Medicine and Pharmacy Cluj-Napoca, 400012 Cluj-Napoca, Romania
- Department of Anaesthesia and Intensive Care, Municipal Clinical Hospital, 400139 Cluj-Napoca, Romania
| | - Sebastian Daniel Trancă
- Department of Anaesthesia and Intensive Care 2, "Iuliu Hatieganu", University of Medicine and Pharmacy Cluj-Napoca, 400012 Cluj-Napoca, Romania
- Emergency Department, The Emergency County Hospital Cluj, 400347 Cluj-Napoca, Romania
| | - Natalia Hagău
- Department of Anaesthesia and Intensive Care 2, "Iuliu Hatieganu", University of Medicine and Pharmacy Cluj-Napoca, 400012 Cluj-Napoca, Romania
- Department of Anaesthesia and Intensive Care, "Regina Maria" Hospital, 400221 Cluj-Napoca, Romania
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14
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Di Francesco A, Salvatore D, Sakhria S, Bertelloni F, Catelli E, Ben Yahia S, Tlatli A. Colistin Resistance Genes in Broiler Chickens in Tunisia. Animals (Basel) 2023; 13:ani13081409. [PMID: 37106971 PMCID: PMC10135375 DOI: 10.3390/ani13081409] [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: 02/23/2023] [Revised: 03/20/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Colistin is a polymyxin antibiotic that has been used in veterinary medicine for decades, as a treatment for enterobacterial digestive infections as well as a prophylactic treatment and growth promoter in livestock animals, leading to the emergence and spread of colistin-resistant Gram-negative bacteria and to a great public health concern, considering that colistin is one of the last-resort antibiotics against multidrug-resistant deadly infections in clinical practice. Previous studies performed on livestock animals in Tunisia using culture-dependent methods highlighted the presence of colistin-resistant Gram-negative bacteria. In the present survey, DNA extracted from cloacal swabs from 195 broiler chickens from six farms in Tunisia was tested via molecular methods for the ten mobilized colistin resistance (mcr) genes known so far. Of the 195 animals tested, 81 (41.5%) were mcr-1 positive. All the farms tested were positive, with a prevalence ranging from 13% to 93%. These results confirm the spread of colistin resistance in livestock animals in Tunisia and suggest that the investigation of antibiotic resistance genes by culture-independent methods could be a useful means of conducting epidemiological studies on the spread of antimicrobial resistance.
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Affiliation(s)
- Antonietta Di Francesco
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064 Bologna, Italy
| | - Daniela Salvatore
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064 Bologna, Italy
| | - Sonia Sakhria
- Institute of Veterinary Research of Tunisia, University of Tunis El Manar, Tunis 1006, Tunisia
| | | | - Elena Catelli
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064 Bologna, Italy
| | - Salma Ben Yahia
- Institute of Veterinary Research of Tunisia, University of Tunis El Manar, Tunis 1006, Tunisia
| | - Aida Tlatli
- Institute of Veterinary Research of Tunisia, University of Tunis El Manar, Tunis 1006, Tunisia
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15
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Pudasaini S, Thapa G, Marasini BP, Giri B. Smartphone-operated affordable PCR thermal cycler for the detection of antimicrobial resistant bacterial genes. PLOS GLOBAL PUBLIC HEALTH 2023; 3:e0001120. [PMID: 36962978 PMCID: PMC10021165 DOI: 10.1371/journal.pgph.0001120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 01/27/2023] [Indexed: 03/03/2023]
Abstract
Antimicrobial resistance (AMR) is a global public health threat. Surveillance of AMR requires affordable, rapid, and user-friendly diagnostic methods. Our aim was to develop a low-cost thermocycler to perform polymerase chain reaction (PCR). We developed a smartphone-operated PCR thermal cycler using locally available recycled materials. The thermal cycler was used for the amplification for three bacterial genes-bla-TEM, bla-CTXM and 16s rRNA in human urine samples. The performance of custom-built thermal cycler was compared with commercial thermal cycler. The thermal cycler was portable (<1kg weight), required 12 V power supply, 25 μL of solution, and cost only USD50.0. Temperature and time conditions were instructed using a custom-built smartphone application. The ramping rate of was 0.23°C for heating and 0.43°C for cooling. The reported temperatures were within ± 0.5°C of set temperature. The human urine samples were highly resistance and multi-resistant. Nearly 46% (n = 54) E. coli isolates were positive in ESBL screening test. The custom-built thermocycler was able to accurately predict the presence of bla-TEM, bla-CTXM genes, and 16s rRNA (n = 6). We developed and demonstrated a portable, low-cost, easy-to-use, and smartphone-operated PCR thermal cycler. Since it is portable, it can be used in remote location and field settings, including places without stable power supply. The use of the thermal cycler system can be extended, beyond the detection of AMR genes, e.g., in clinical diagnosis, genetics, forensic analysis, and environmental protection.
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Affiliation(s)
- Sanam Pudasaini
- Center for Analytical Sciences, Kathmandu Institute of Applied Sciences, Kathmandu, Nepal
| | - Garima Thapa
- Center for Analytical Sciences, Kathmandu Institute of Applied Sciences, Kathmandu, Nepal
- Department of Biotechnology, National College, Tribhuvan University, Kathmandu, Nepal
| | - Bishnu P Marasini
- Department of Biotechnology, National College, Tribhuvan University, Kathmandu, Nepal
| | - Basant Giri
- Center for Analytical Sciences, Kathmandu Institute of Applied Sciences, Kathmandu, Nepal
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16
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Li Q, An Z, Sun T, Ji S, Wang W, Peng Y, Wang Z, Salentijn GIJ, Gao Z, Han D. Sensitive colorimetric detection of antibiotic resistant Staphylococcus aureus on dairy farms using LAMP with pH-responsive polydiacetylene. Biosens Bioelectron 2023; 219:114824. [PMID: 36327562 DOI: 10.1016/j.bios.2022.114824] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 09/29/2022] [Accepted: 10/16/2022] [Indexed: 11/19/2022]
Abstract
Rapidly and accurately detecting antibiotic-resistant pathogens in agriculture and husbandry is important since these represent a major threat to public health. While much attention has been dedicated to detecting now-common resistant bacteria, such as methicillin-resistant Staphylococcus aureus, fewer methods have been developed to assess resistance against macrolides in Staphylococcus aureus (SA). Here, we report a visual on-site detection system for macrolide resistant SA in dairy products. First, metagenomic sequencing in raw milk, cow manure, water and aerosol deposit collected from dairy farms around Tianjin was used to identify the most abundant macrolide resistance gene, which was found to be the macB gene. In parallel, SA housekeeping genes were screened to allow selective identification of SA, which resulted in the selection of the SAOUHSC_01275 gene. Next, LAMP assays targeting the above-mentioned genes were developed and interpreted by agarose gel electrophoresis. For on-site application, different pH-sensitive colorimetric LAMP indicators were compared, which resulted in selection of polydiacetylene (PDA) as the most sensitive candidate. Additionally, a semi-quantitative detection could be realized by analyzing the RGB information via smartphone with a LOD of 1.344 × 10-7 ng/μL of genomic DNA from a milk sample. Finally, the proposed method was successfully carried out at a real farm within 1 h from sample to result by using freeze-dried reagents and portable devices. This is the first instance in which PDA is used to detect LAMP products, and this generic read-out system can be expanded to other antibiotic resistant genes and bacteria.
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Affiliation(s)
- Qiaofeng Li
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China; State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China; Wageningen Food Safety Research, Wageningen University & Research, P.O. Box 230, 6700, AE, Wageningen, the Netherlands
| | - Zhaoxia An
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Tieqiang Sun
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Shuaifeng Ji
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Weiya Wang
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China; State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Yuan Peng
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Gert I J Salentijn
- Wageningen Food Safety Research, Wageningen University & Research, P.O. Box 230, 6700, AE, Wageningen, the Netherlands; Laboratory of Organic Chemistry, Wageningen University, Wageningen, 6708, WE, the Netherlands.
| | - Zhixian Gao
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China.
| | - Dianpeng Han
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China.
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17
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Di Francesco A, Salvatore D, Bertelloni F, Ebani VV. Tetracycline Resistance Genes in Wild Birds from a Wildlife Recovery Centre in Central Italy. Animals (Basel) 2022; 13:ani13010076. [PMID: 36611686 PMCID: PMC9817859 DOI: 10.3390/ani13010076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/03/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Wild animals are less likely to be exposed directly to clinical antimicrobial agents than domestic animals or humans, but they can acquire antimicrobial-resistant bacteria through contact with humans, animals, and the environment. In the present study, 254 dead free-living birds belonging to 23 bird species were examined by PCR for the presence of tetracycline resistance (tet) genes. A fragment of the spleen was collected from each bird carcass. A portion of the intestine was also taken from 73 of the 254 carcasses. Extracted DNA was subjected to PCR amplification targeting the tet(L), tet(M), and tet(X) genes. In total, 114 (45%) of the 254 birds sampled belonging to 17 (74%) of the 23 bird species tested were positive for one or more tet genes. The tet(M) gene showed a higher frequency than the other tested genes, both in the spleen and in the intestine samples. These results confirm the potential role of wild birds as reservoirs, dispersers, or bioindicators of antimicrobial resistance in the environment.
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Affiliation(s)
- Antonietta Di Francesco
- Department of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano dell’Emilia, Italy
- Correspondence:
| | - Daniela Salvatore
- Department of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano dell’Emilia, Italy
| | - Fabrizio Bertelloni
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy
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18
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Rumky J, Kruglova A, Repo E. Fate of antibiotic resistance genes (ARGs) in wastewater treatment plant: Preliminary study on identification before and after ultrasonication. ENVIRONMENTAL RESEARCH 2022; 215:114281. [PMID: 36096165 DOI: 10.1016/j.envres.2022.114281] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/16/2022] [Accepted: 09/02/2022] [Indexed: 06/15/2023]
Abstract
This study collected sludge samples from four different sections of a local wastewater treatment plant in Mikkeli, Finland, for antibiotic resistance genes (ARGs) analysis. Here, we examine the seven representative ARGs in sludge, encoding erythromycin (ermB), tetracycline (tetA, tetC, tetQ, tetW) and sulphonamide (sul1) to check abundance before and after ultrasonication. The class 1 integron (intl1) was also observed as an indicator of antibiotic resistance and horizontal gene transmission. The pre-treatment condition included 10 min of ultrasonication (US) for the sludge sample before freeze-drying. The droplet digital PCR system was used to assess the ARGs from the samples, and it was found that ARGs were not effectively eliminated by pre-treatment. After ultrasonication, tetA, tetC and tetQ did not show any variation but tetW showed 20 copies/ng of lower abundance in digested sludge than raw sludge, and a similar abundance was found in dewatered sludge. For MBR sludge, only ermB showed 1000 copies/ng higher abundance compared to the raw sample and surprisingly it did not show the presence of any other types of ARG. This study provides an overview of the appearance of ARGs in regional municipal sludge for further research reflection.
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Affiliation(s)
- Jannatul Rumky
- Department of Separation Science, LUT University, Sammonkatu 12, FI-50130, Mikkeli, Finland.
| | - Antonina Kruglova
- Department of Built Environment, Aalto University, Tietotie 1E, 15200, Espoo, Finland
| | - Eveliina Repo
- Department of Separation Science, LUT University, Sammonkatu 12, FI-50130, Mikkeli, Finland
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19
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Gulumbe BH, Haruna UA, Almazan J, Ibrahim IH, Faggo AA, Bazata AY. Combating the menace of antimicrobial resistance in Africa: a review on stewardship, surveillance and diagnostic strategies. Biol Proced Online 2022; 24:19. [PMID: 36424530 PMCID: PMC9685880 DOI: 10.1186/s12575-022-00182-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 11/03/2022] [Indexed: 11/25/2022] Open
Abstract
The emergence of antibiotic-resistant pathogens has threatened not only our ability to deal with common infectious diseases but also the management of life-threatening complications. Antimicrobial resistance (AMR) remains a significant threat in both industrialized and developing countries alike. In Africa, though, poor clinical care, indiscriminate antibiotic use, lack of robust AMR surveillance programs, lack of proper regulations and the burden of communicable diseases are factors aggravating the problem of AMR. In order to effectively address the challenge of AMR, antimicrobial stewardship programs, solid AMR surveillance systems to monitor the trend of resistance, as well as robust, affordable and rapid diagnostic tools which generate data that informs decision-making, have been demonstrated to be effective. However, we have identified a significant knowledge gap in the area of the application of fast and affordable diagnostic tools, surveillance, and stewardship programs in Africa. Therefore, we set out to provide up-to-date information in these areas. We discussed available hospital-based stewardship initiatives in addition to the role of governmental and non-governmental organizations. Finally, we have reviewed the application of various phenotypic and molecular AMR detection tools in both research and routine laboratory settings in Africa, deployment challenges and the efficiency of these methods.
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Affiliation(s)
- Bashar Haruna Gulumbe
- grid.475123.60000 0004 6023 7915Department of Microbiology, Federal University Birnin Kebbi, Kalgo, Kebbi State Nigeria
| | - Usman Abubakar Haruna
- grid.428191.70000 0004 0495 7803Department of Medicine, Nazarbayev University School Medicine, Nursultan, Kazakhstan ,grid.411225.10000 0004 1937 1493Faculty of Pharmaceutical Sciences, Ahmadu Bello University, Zaria, Nigeria
| | - Joseph Almazan
- grid.428191.70000 0004 0495 7803Department of Medicine, Nazarbayev University School Medicine, Nursultan, Kazakhstan
| | - Ibrahim Haruna Ibrahim
- grid.254145.30000 0001 0083 6092Research Center for Cancer Biology, Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung City, 406040 Taiwan
| | - Abdullahi Adamu Faggo
- grid.449367.b0000 0004 1783 6816Department of Microbiology, Bauchi State University, Gadau, Bauchi State, Nigeria
| | - Abbas Yusuf Bazata
- grid.475123.60000 0004 6023 7915Department of Microbiology, Federal University Birnin Kebbi, Kalgo, Kebbi State Nigeria
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20
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Li Y, Gao Y, Ling N, Shen Y, Zhang D, Ou D, Zhang X, Jiao R, Zhu C, Ye Y. Rapid and simple quantitative identification of Listeria monocytogenes in cheese by isothermal sequence exchange amplification based on surface-enhanced Raman spectroscopy. J Dairy Sci 2022; 105:9450-9462. [DOI: 10.3168/jds.2022-22181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 07/01/2022] [Indexed: 11/17/2022]
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21
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Algarni S, Ricke SC, Foley SL, Han J. The Dynamics of the Antimicrobial Resistance Mobilome of Salmonella enterica and Related Enteric Bacteria. Front Microbiol 2022; 13:859854. [PMID: 35432284 PMCID: PMC9008345 DOI: 10.3389/fmicb.2022.859854] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 03/07/2022] [Indexed: 12/31/2022] Open
Abstract
The foodborne pathogen Salmonella enterica is considered a global public health risk. Salmonella enterica isolates can develop resistance to several antimicrobial drugs due to the rapid spread of antimicrobial resistance (AMR) genes, thus increasing the impact on hospitalization and treatment costs, as well as the healthcare system. Mobile genetic elements (MGEs) play key roles in the dissemination of AMR genes in S. enterica isolates. Multiple phenotypic and molecular techniques have been utilized to better understand the biology and epidemiology of plasmids including DNA sequence analyses, whole genome sequencing (WGS), incompatibility typing, and conjugation studies of plasmids from S. enterica and related species. Focusing on the dynamics of AMR genes is critical for identification and verification of emerging multidrug resistance. The aim of this review is to highlight the updated knowledge of AMR genes in the mobilome of Salmonella and related enteric bacteria. The mobilome is a term defined as all MGEs, including plasmids, transposons, insertion sequences (ISs), gene cassettes, integrons, and resistance islands, that contribute to the potential spread of genes in an organism, including S. enterica isolates and related species, which are the focus of this review.
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Affiliation(s)
- Suad Algarni
- Division of Microbiology, FDA National Center for Toxicological Research, Jefferson, AR, United States
- Cellular and Molecular Biology Graduate Program, University of Arkansas, Fayetteville, AR, United States
| | - Steven C. Ricke
- Meat Science and Animal Biologics Discovery Program, Department of Animal and Dairy Sciences, University of Wisconsin, Madison, WI, United States
| | - Steven L. Foley
- Division of Microbiology, FDA National Center for Toxicological Research, Jefferson, AR, United States
- Cellular and Molecular Biology Graduate Program, University of Arkansas, Fayetteville, AR, United States
| | - Jing Han
- Division of Microbiology, FDA National Center for Toxicological Research, Jefferson, AR, United States
- *Correspondence: Jing Han,
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22
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Singh S, Numan A, Cinti S. Point-of-Care for Evaluating Antimicrobial Resistance through the Adoption of Functional Materials. Anal Chem 2022; 94:26-40. [PMID: 34802244 PMCID: PMC8756393 DOI: 10.1021/acs.analchem.1c03856] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Sima Singh
- IES
Institute of Pharmacy, IES University Campus, Kalkheda, Ratibad Main Road, Bhopal 462044, Madhya Pradesh, India
| | - Arshid Numan
- Graphene
& Advanced 2D Materials Research Group (GAMRG), School of Engineering
and Technology, Sunway University, 5, Jalan University, Bandar Sunway, 47500 Petaling
Jaya, Selangor, Malaysia
| | - Stefano Cinti
- Department
of Pharmacy, University of Naples “Federico
II”, Via D. Montesano 49, 80131 Naples, Italy
- BAT
Center−Interuniversity Center for Studies on Bioinspired Agro-Environmental
Technology, University of Napoli Federico
II, 80055 Naples, Italy
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23
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Ruiz MJ, Sirini NE, Signorini ML, Etcheverría A, Zbrun MV, Soto LP, Zimmermann JA, Frizzo LS. Protective effect of Lactiplantibacillus plantarum LP5 in a murine model of colonisation by Campylobacter coli DSPV458. Benef Microbes 2021; 12:553-565. [PMID: 34590533 DOI: 10.3920/bm2021.0010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Thermotolerant Campylobacter species are the leading cause of foodborne bacterial diarrheal disease worldwide. Campylobacter coli, abundant in pigs and pork products, have been identified as a source of human infection. In this study, we propose the use of Lactiplantibacillus plantarum LP5 as a probiotic to reduce colonisation of this intestinal pathogen in a murine colonisation model of C. coli DSPV458. Six-week-old adult female Balb/cCmedc mice were housed in groups: Control, Campy and Pro-Campy. Control and Pro-Campy groups received antibiotics for 5 days and the Campy group for 12 days. Pro-Campy group was inoculated for 7 days with 8.78 log10 cfu total of L. plantarum LP5 suspended in De Man, Rogosa and Sharpe broth. All groups were inoculated with 6.72 log10 cfu of C. coli DSPV458 suspended in brain heart infusion broth. L. plantarum LP5 was recovered only in the Pro- Campy group. C. coli DSPV458 was recovered at higher levels in the Control and Campy groups. The differences with the Pro-Campy group were significant. As regards faeces, Control and Campy groups reached 7.41 and 7.84 log10 cfu/g, respectively, and the Pro-Campy group only 4.62 log10 cfu/g. In the caecum, Control and Campy groups reached 8.01 and 9.26 log10cfu/g, respectively, and the Pro-Campy group only 4.51 log10 cfu/g. In the ileum, Control and Campy groups reached 3.43 and 3.26 log10 cfu/g, respectively, and the Pro-Campy group did not show detectable levels. The reduction of C. coli DSPV458 in the Pro-Campy group compared to the Control group in faeces, caecum and ileum was 99.55, 99.98 and 100%, respectively. Animals were maintained under normal health conditions, and haematological parameters were within the standard values for Balb/cCmedc. The incorporation of a probiotic generated a protective effect in the mice colonisation model. The protective effect would also apply to intestinal colonisation by indigenous enterobacteria. Therefore, the strategy used in this study is of great importance to understand the protection mechanisms in a murine model, as well as its application in food-producing animals.
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Affiliation(s)
- M J Ruiz
- Laboratory of Food Analysis 'Rodolfo Oscar Dalla Santina', Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral - National Council of Scientific and Technical Research (UNL/CONICET), Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina.,Department of Animal Health and Preventive Medicine, Faculty of Veterinary Sciences, National University of the Center of the Province of Buenos Aires, Tandil, Argentina
| | - N E Sirini
- Laboratory of Food Analysis 'Rodolfo Oscar Dalla Santina', Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral - National Council of Scientific and Technical Research (UNL/CONICET), Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina
| | - M L Signorini
- Department of Public Health, Faculty of Veterinary Science, Litoral National University, Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina.,National Council of Scientific and Technical Research, National Institute of Agricultural Technology EEA Rafaela, Ruta 34 Km 227, 2300 Rafaela, Province of Santa Fe, Argentina
| | - A Etcheverría
- Department of Animal Health and Preventive Medicine, Faculty of Veterinary Sciences, National University of the Center of the Province of Buenos Aires, Tandil, Argentina
| | - M V Zbrun
- Laboratory of Food Analysis 'Rodolfo Oscar Dalla Santina', Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral - National Council of Scientific and Technical Research (UNL/CONICET), Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina.,Department of Public Health, Faculty of Veterinary Science, Litoral National University, Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina
| | - L P Soto
- Laboratory of Food Analysis 'Rodolfo Oscar Dalla Santina', Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral - National Council of Scientific and Technical Research (UNL/CONICET), Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina.,Department of Public Health, Faculty of Veterinary Science, Litoral National University, Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina
| | - J A Zimmermann
- Laboratory of Food Analysis 'Rodolfo Oscar Dalla Santina', Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral - National Council of Scientific and Technical Research (UNL/CONICET), Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina
| | - L S Frizzo
- Laboratory of Food Analysis 'Rodolfo Oscar Dalla Santina', Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral - National Council of Scientific and Technical Research (UNL/CONICET), Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina.,Department of Public Health, Faculty of Veterinary Science, Litoral National University, Kreder 2805, 3080 Esperanza, Province of Santa Fe, Argentina
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