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Suwanthada P, Kongsoi S, Jayaweera S, Akapelwa ML, Thapa J, Nakajima C, Suzuki Y. Interplay between Amino Acid Substitution in GyrA and QnrB19: Elevating Fluoroquinolone Resistance in Salmonella Typhimurium. ACS Infect Dis 2024. [PMID: 38898378 DOI: 10.1021/acsinfecdis.4c00150] [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: 06/21/2024]
Abstract
Globally, there have been increasing reports of antimicrobial resistance in nontyphoidal Salmonella (NTS), which can develop into severe and potentially life-threatening diarrhea. This study focuses on the synergistic effects of DNA gyrase mutations and plasmid-mediated quinolone resistance (PMQR) genes, specifically qnrB19, on fluoroquinolone (FQ) resistance in Salmonella Typhimurium. By utilizing recombinant mutants, GyrAS83F and GyrAD87N, and QnrB19's, we discovered a significant increase in fluoroquinolones resistance when QnrB19 is present. Specifically, ciprofloxacin and moxifloxacin's inhibitory concentrations rose 10- and 8-fold, respectively. QnrB19 was found to enhance the resistance capacity of mutant DNA gyrases, leading to high-level FQ resistance. Additionally, we observed that the ratio of QnrB19 to DNA gyrase played a critical role in determining whether QnrB19 could protect DNA gyrase against FQ inhibition. Our findings underscore the critical need to understand these resistance mechanisms, as their coexistence enables bacteria to withstand therapeutic FQ levels, posing a significant challenge to treatment efficacy.
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Affiliation(s)
- Pondpan Suwanthada
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo 001-0020, Japan
| | - Siriporn Kongsoi
- Department of Veterinary Public Health, Faculty of Veterinary Medicine, Kasetsart University, Bangkok 73140, Thailand
| | - Sasini Jayaweera
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo 001-0020, Japan
| | - Mwangala Lonah Akapelwa
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo 001-0020, Japan
| | - Jeewan Thapa
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo 001-0020, Japan
- Hokkaido University Institute for Vaccine Research & Development, Hokkaido University, Sapporo 001-0020, Japan
| | - Chie Nakajima
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo 001-0020, Japan
- Hokkaido University Institute for Vaccine Research & Development, Hokkaido University, Sapporo 001-0020, Japan
- International Collaboration Unit, Hokkaido University International Institute for Zoonosis Control, Sapporo 001-0020, Japan
| | - Yasuhiko Suzuki
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo 001-0020, Japan
- Hokkaido University Institute for Vaccine Research & Development, Hokkaido University, Sapporo 001-0020, Japan
- International Collaboration Unit, Hokkaido University International Institute for Zoonosis Control, Sapporo 001-0020, Japan
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Toyting J, Miura N, Utrarachkij F, Tanomsridachchai W, Belotindos LP, Suwanthada P, Kapalamula TF, Kongsoi S, Koide K, Kim H, Thapa J, Nakajima C, Suzuki Y. Exploration of the novel fluoroquinolones with high inhibitory effect against quinolone-resistant DNA gyrase of Salmonella Typhimurium. Microbiol Spectr 2023; 11:e0133023. [PMID: 37795999 PMCID: PMC10715191 DOI: 10.1128/spectrum.01330-23] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 08/24/2023] [Indexed: 10/06/2023] Open
Abstract
IMPORTANCE Quinolone-resistant nontyphoidal Salmonella is a pressing public health concern, demanding the exploration of novel treatments. In this study, we focused on two innovative synthetic fluoroquinolones, WQ-3034 and WQ-3154. Our findings revealed that these new compounds demonstrate potent inhibitory effects, even against mutant strains that cause resistance to existing quinolones. Hence, WQ-3034 and WQ-3154 could potentially be effective therapeutic agents against quinolone-resistant Salmonella Typhimurium. Furthermore, the data obtained in this study will be baseline information for antimicrobial drug development.
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Affiliation(s)
- Jirachaya Toyting
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Japan
| | - Nami Miura
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Japan
| | - Fuangfa Utrarachkij
- Department of Microbiology, Faculty of Public Health, Mahidol University, Bangkok, Thailand
| | - Wimonrat Tanomsridachchai
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Japan
| | - Lawrence P. Belotindos
- Biosafety and Environment Section, Research and Development Division, Philippine Carabao Center National Headquarters and Gene Pool Science City of Munoz, Munoz, Nueva Ecija, Philippines
| | - Pondpan Suwanthada
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Japan
| | - Thoko Flav Kapalamula
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Japan
| | - Siriporn Kongsoi
- Department of Veterinary Public Health, Faculty of Veterinary Medicine, Kasetsart University, Nakhon Pathom, Thailand
| | - Kentaro Koide
- Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hyun Kim
- Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Jeewan Thapa
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Japan
| | - Chie Nakajima
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Japan
- Hokkaido University Institute for Vaccine Research & Development, Hokkaido University, Sapporo, Japan
- International Collaboration Unit, Hokkaido University, International Institute for Zoonosis Control, Sapporo, Japan
| | - Yasuhiko Suzuki
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Japan
- Hokkaido University Institute for Vaccine Research & Development, Hokkaido University, Sapporo, Japan
- International Collaboration Unit, Hokkaido University, International Institute for Zoonosis Control, Sapporo, Japan
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Suwanthada P, Kongsoi S, Miura N, Belotindos LP, Piantham C, Toyting J, Akapelwa ML, Pachanon R, Koide K, Kim H, Thapa J, Nakajima C, Suzuki Y. The Impact of Substitutions at Positions 1 and 8 of Fluoroquinolones on the Activity Against Mutant DNA Gyrases of Salmonella Typhimurium. Microb Drug Resist 2023; 29:552-560. [PMID: 37792363 DOI: 10.1089/mdr.2023.0014] [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] [Indexed: 10/05/2023] Open
Abstract
Although many drug-resistant nontyphoidal Salmonella (NTS) infections are reported globally, their treatment is challenging owing to the ineffectiveness of the currently available antimicrobial drugs against resistant bacteria. It is therefore essential to discover novel antimicrobial drugs for the management of these infections. In this study, we report high inhibitory activities of the novel fluoroquinolones (FQs; WQ-3810 and WQ-3334) with substitutions at positions R-1 by 6-amino-3,5-difluoropyridine-2-yl and R-8 by methyl group or bromine, respectively, against wild-type and mutant DNA gyrases of Salmonella Typhimurium. The inhibitory activities of these FQs were assessed against seven amino acid substitutions in DNA gyrases conferring FQ resistance to S. Typhimurium, including high-level resistant mutants, Ser83Ile and Ser83Phe-Asp87Asn by in vitro DNA supercoiling assay. Drug concentrations of WQ compounds with 6-amino-3,5-difluoropyridine-2-yl that suppressed DNA supercoiling by 50% (IC50) were found to be ∼150-fold lower than ciprofloxacin against DNA gyrase with double amino acid substitutions. Our findings highlight the importance of the chemical structure of an FQ drug on its antimicrobial activity. Particularly, the presence of 6-amino-3,5-difluoropyridine-2-yl at R-1 and either methyl group or bromine at R-8 of WQ-3810 and WQ-3334, respectively, was associated with improved antimicrobial activity. Therefore, WQ-3810 and WQ-3334 are promising candidates for use in the treatment of patients infected by FQ-resistant Salmonella spp.
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Affiliation(s)
- Pondpan Suwanthada
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Siriporn Kongsoi
- Department of Veterinary Public Health, Faculty of Veterinary Medicine, Kasetsart University, Nakhon Pathom, Thailand
| | - Nami Miura
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Lawrence P Belotindos
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
- Biosafety and Environment Section, Research for Development Division, Philippine Carabao Center National Headquarters and Gene Pool, Science City of Munoz, Philippines
| | - Chayada Piantham
- Division of Bioinformatics, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Jirachaya Toyting
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Mwangala L Akapelwa
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Ruttana Pachanon
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
- Department of Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Kentaro Koide
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
- Department of Bacteriology II, National Institute of Infectious Diseases, Musashimurayama, Japan
| | - Hyun Kim
- Department of Bacteriology II, National Institute of Infectious Diseases, Musashimurayama, Japan
| | - Jeewan Thapa
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Chie Nakajima
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
- International Collaboration Unit, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
- Institute for Vaccine Research and Development: HU-IVRe, Hokkaido University, Sapporo, Japan
| | - Yasuhiko Suzuki
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
- International Collaboration Unit, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
- Institute for Vaccine Research and Development: HU-IVRe, Hokkaido University, Sapporo, Japan
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Bhandari M, Poelstra JW, Kauffman M, Varghese B, Helmy YA, Scaria J, Rajashekara G. Genomic Diversity, Antimicrobial Resistance, Plasmidome, and Virulence Profiles of Salmonella Isolated from Small Specialty Crop Farms Revealed by Whole-Genome Sequencing. Antibiotics (Basel) 2023; 12:1637. [PMID: 37998839 PMCID: PMC10668983 DOI: 10.3390/antibiotics12111637] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/10/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023] Open
Abstract
Salmonella is the leading cause of death associated with foodborne illnesses in the USA. Difficulty in treating human salmonellosis is attributed to the development of antimicrobial resistance and the pathogenicity of Salmonella strains. Therefore, it is important to study the genetic landscape of Salmonella, such as the diversity, plasmids, and presence antimicrobial resistance genes (AMRs) and virulence genes. To this end, we isolated Salmonella from environmental samples from small specialty crop farms (SSCFs) in Northeast Ohio from 2016 to 2021; 80 Salmonella isolates from 29 Salmonella-positive samples were subjected to whole-genome sequencing (WGS). In silico serotyping revealed the presence of 15 serotypes. AMR genes were detected in 15% of the samples, with 75% exhibiting phenotypic and genotypic multidrug resistance (MDR). Plasmid analysis demonstrated the presence of nine different types of plasmids, and 75% of AMR genes were located on plasmids. Interestingly, five Salmonella Newport isolates and one Salmonella Dublin isolate carried the ACSSuT gene cassette on a plasmid, which confers resistance to ampicillin, chloramphenicol, streptomycin, sulfonamide, and tetracycline. Overall, our results show that SSCFs are a potential reservoir of Salmonella with MDR genes. Thus, regular monitoring is needed to prevent the transmission of MDR Salmonella from SSCFs to humans.
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Affiliation(s)
- Menuka Bhandari
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (M.B.); (M.K.)
| | - Jelmer W. Poelstra
- Molecular and Cellular Imaging Center, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA;
| | - Michael Kauffman
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (M.B.); (M.K.)
| | - Binta Varghese
- Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, OK 74074, USA; (B.V.); (J.S.)
| | - Yosra A. Helmy
- Department of Veterinary Science, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA;
| | - Joy Scaria
- Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, OK 74074, USA; (B.V.); (J.S.)
| | - Gireesh Rajashekara
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (M.B.); (M.K.)
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El-Badawy MF, Eed EM, Sleem AS, El-Sheikh AAK, Maghrabi IA, Abdelwahab SF. The First Saudi Report of Novel and Common Mutations in the gyrA and parC Genes Among Pseudomonas Spp. Clinical Isolates Recovered from Taif Area. Infect Drug Resist 2022; 15:3801-3814. [PMID: 35875614 PMCID: PMC9300750 DOI: 10.2147/idr.s372027] [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: 05/03/2022] [Accepted: 07/01/2022] [Indexed: 11/23/2022] Open
Abstract
Background and Aims Reports examine quinolone resistance mechanisms among Pseudomonas spp. are sporadic in the Kingdom of Saudi Arabia (KSA). We previously examined the genetic bases of plasmid-mediated quinolone resistance among Pseudomonas spp. clinical isolates. This study investigated chromosomally mediated quinolone resistance mechanisms via investigation of the mutations in the gyrA and parC genes. Methods The minimum inhibitory concentration (MIC) to different quinolones was determined. Twenty-nine quinolone resistant Pseudomonas spp. clinical isolates were included. The gyrA and parC genes were sequenced by Sanger capillary electrophoresis. Multiple sequence alignment for the translated gyrA and parC genes was performed to identify mutation sites. Results Of the 29 isolates, 27 isolates were P. aeruginosa and two were P. putida. The cluster analysis of the quinolone susceptibility pattern revealed seven susceptibility phenotypes (A-G) based on susceptibility patterns rather than the MIC values. Also, 22 different susceptibility phenotypes were detected based on MIC values. All isolates exhibited a missense mutation at position 83 (S83I/T/F) of the gyrA gene in addition to six missense mutations at positions outside the QRDR of this gene. In addition, 82.8% (24/29) of the isolates harbored a missense mutation in the parC gene at position 87 (S87L), along with six novel mutations outside the QRDR of the parC gene. Haplotyping of the gyrA, parC, and the overall QRDR revealed six, 10, and 13 different haplotypes, respectively. Conclusion This study documents the incidence of the commonly reported mutations in the gyrA and parC genes in addition to novel mutations in these genes among Pseudomonas spp. clinical isolates recovered from KSA. Together with our previous findings, these data provide an insight into the genetic background of quinolone resistance among Pseudomonas spp. clinical isolates in KSA.
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Affiliation(s)
- Mohamed F El-Badawy
- Department of Microbiology and Immunology, Faculty of Pharmacy, University of Sadat City, Sadat City, Menoufia, 32897, Egypt
| | - Emad M Eed
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif, 21944, Saudi Arabia
| | - Asmaa S Sleem
- Department of Medical Microbiology and Immunology, Faculty of Medicine, Menoufia University, Menoufia, 32511, Egypt
| | - Azza A K El-Sheikh
- Basic Health Sciences Department, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh, 11671, Saudi Arabia
| | - Ibrahim A Maghrabi
- Department of Clinical Pharmacy, College of Pharmacy, Taif University, Taif, 21944, Saudi Arabia
| | - Sayed F Abdelwahab
- Department of Pharmaceutics and Industrial Pharmacy, College of Pharmacy, Taif University, Taif, 21944, Kingdom of Saudi Arabia
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Shaheen A, Tariq A, Iqbal M, Mirza O, Haque A, Walz T, Rahman M. Mutational Diversity in the Quinolone Resistance-Determining Regions of Type-II Topoisomerases of Salmonella Serovars. Antibiotics (Basel) 2021; 10:antibiotics10121455. [PMID: 34943668 PMCID: PMC8698434 DOI: 10.3390/antibiotics10121455] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 01/24/2023] Open
Abstract
Quinolone resistance in bacterial pathogens has primarily been associated with mutations in the quinolone resistance-determining regions (QRDRs) of bacterial type-II topoisomerases, which are DNA gyrase and topoisomerase IV. Depending on the position and type of the mutation (s) in the QRDRs, bacteria either become partially or completely resistant to quinolone. QRDR mutations have been identified and characterized in Salmonella enterica isolates from around the globe, particularly during the last decade, and efforts have been made to understand the propensity of different serovars to carry such mutations. Because there is currently no thorough analysis of the available literature on QRDR mutations in different Salmonella serovars, this review aims to provide a comprehensive picture of the mutational diversity in QRDRs of Salmonella serovars, summarizing the literature related to both typhoidal and non-typhoidal Salmonella serovars with a special emphasis on recent findings. This review will also discuss plasmid-mediated quinolone-resistance determinants with respect to their additive or synergistic contributions with QRDR mutations in imparting elevated quinolone resistance. Finally, the review will assess the contribution of membrane transporter-mediated quinolone efflux to quinolone resistance in strains carrying QRDR mutations. This information should be helpful to guide the routine surveillance of foodborne Salmonella serovars, especially with respect to their spread across countries, as well as to improve laboratory diagnosis of quinolone-resistant Salmonella strains.
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Affiliation(s)
- Aqsa Shaheen
- Department of Biochemistry and Biotechnology, Hafiz Hayat Campus, University of Gujrat, Gujrat 50700, Pakistan
- Correspondence: (A.S.); (M.R.); Tel.: +92-53-3643112-187 (A.S.); +92-42-35953122 (M.R.)
| | - Anam Tariq
- Drug Discovery and Structural Biology Group, Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad 38000, Pakistan; (A.T.); (M.I.)
| | - Mazhar Iqbal
- Drug Discovery and Structural Biology Group, Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad 38000, Pakistan; (A.T.); (M.I.)
| | - Osman Mirza
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark;
| | - Abdul Haque
- Human Infectious Diseases Group, Akhuwat First University, Faisalabad 38000, Pakistan;
| | - Thomas Walz
- Laboratory of Molecular Electron Microscopy, Rockefeller University, New York, NY 10065, USA;
| | - Moazur Rahman
- School of Biological Sciences, Quaid-I-Azam Campus, University of the Punjab, Lahore 54590, Pakistan
- Correspondence: (A.S.); (M.R.); Tel.: +92-53-3643112-187 (A.S.); +92-42-35953122 (M.R.)
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