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Pérez-Viso B, Martins-Oliveira I, Gomes R, Silva-Dias A, Peixe L, Novais Â, Pina-Vaz C, Cantón R. Performance of Flow Cytometry-Based Rapid Assay in Detection of Carbapenemase-Producing Enterobacterales. Int J Mol Sci 2024; 25:7888. [PMID: 39063130 PMCID: PMC11276710 DOI: 10.3390/ijms25147888] [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: 06/12/2024] [Revised: 07/12/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
Carbapenemase-producing Enterobacterales are increasingly being recognized in nosocomial infections. The performance of a flow cytometry-based rapid assay for their detection and differentiation was evaluated. This is a disruptive phenotypic technology, phenotypic and growth-independent, that searches for the lesions produced by drugs acting on cells after a short incubation time. Overall, 180 Gram-negative bacteria were studied, and results were compared with those obtained molecularly by PCR and phenotypically by 'KPC, MBL and OXA-48 Confirm Kit'. This phenotypic method was used as reference for comparison purposes. Susceptibility to carbapenems (imipenem, meropenem, and ertapenem) was determined by standard broth microdilution. Overall, 112 isolates (62.2%) were carbapenemase producers, 41 KPCs, 36 MβLs, and 31 OXA-48, and 4 strains were KPC + MβL co-producers. Sixty-eight isolates were carbapenemase-negative. The percentage of agreement, sensitivity, and specificity were calculated according to ISO 20776-2:2021. The FASTinov assay showed 97.7% agreement with the reference method for carbapenemase detection. Discrepant flow cytometry results were obtained in four isolates compared with both reference and PCR results. The sensitivity and specificity of this new technology were 95.3% and 98.5%, respectively, for KPCs, 97.6% and 99.3% for MβLs, and 96.9% and 98% for OXA-48 detection. In conclusion, we describe a rapid flow cytometry assay with high accuracy for carbapenemase detection and the differentiation of various carbapenemases, which should impact clinical microbiology laboratories and patient management.
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Affiliation(s)
- Blanca Pérez-Viso
- Servicio de Microbiología, Hospital Universitario Ramón y Cajal and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034 Madrid, Spain;
| | - Inês Martins-Oliveira
- FASTinov, S.A., 4200-135 Porto, Portugal; (I.M.-O.); (R.G.); (A.S.-D.)
- Division of Microbiology, Department of Pathology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Rosário Gomes
- FASTinov, S.A., 4200-135 Porto, Portugal; (I.M.-O.); (R.G.); (A.S.-D.)
| | - Ana Silva-Dias
- FASTinov, S.A., 4200-135 Porto, Portugal; (I.M.-O.); (R.G.); (A.S.-D.)
- CINTESIS–Center for Health Technology and Services Research, Faculty of Medicine, 4200-450 Porto, Portugal
| | - Luísa Peixe
- UCIBIO-Applied Molecular Biosciences Unit, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (L.P.); (Â.N.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Ângela Novais
- UCIBIO-Applied Molecular Biosciences Unit, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (L.P.); (Â.N.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Cidália Pina-Vaz
- FASTinov, S.A., 4200-135 Porto, Portugal; (I.M.-O.); (R.G.); (A.S.-D.)
- Division of Microbiology, Department of Pathology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- CINTESIS–Center for Health Technology and Services Research, Faculty of Medicine, 4200-450 Porto, Portugal
| | - Rafael Cantón
- Servicio de Microbiología, Hospital Universitario Ramón y Cajal and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034 Madrid, Spain;
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, 28029 Madrid, Spain
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Hatipoglu H, Erman G, Toptan H, Koroglu M, Altindis M. Determination of antibiotic susceptibility of bacteria by flow cytometric method. World J Microbiol Biotechnol 2022; 38:151. [PMID: 35781757 DOI: 10.1007/s11274-022-03332-2] [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: 12/25/2021] [Accepted: 06/10/2022] [Indexed: 11/24/2022]
Abstract
In this study, it was aimed to determine the antibiotic susceptibility of bacterial strains by using flow cytometry method by comparing them with current standardized methods. Eleven clinical isolates and 6 standard bacterial strains were included in the study. MIC values were determined by broth microdilution method (BMD), VITEK 2® automated system and flow cytometric method (FCM). FCM was performed with the Accuri C6 flow cytometer. For all strains except P. aeuruginosa ATCC 27853 [BMD-FCM:r = 0.557(p = 0.048); VITEK 2-FCM:r = 0.529(p = 0.063)], E. faecalis ATCC 29212 [BMD-FCM:r = 0.393(p = 0.295); BMD-VITEK 2:r = 0.393(p = 0.295)], and vancomycin-resistant E. faecium clinical isolate [BMD-FCM:r = 0.452(p = 0.063)] r values were in the range of 0.802-0.969 for BMD-FCM (p < 0.001), 0.655-0.941 for BMD-VITEK 2 (p < 0.005) and 0.667-0.953 for FCM-VITEK 2 (p < 0.005). Correlation values of antibiotic susceptibility test results between three methods for Gram-negative bacteria were found as follows; r = 0.927(p < 0.001) for BMD-FCM, r = 0.851(p < 0.001) for BMD-VITEK 2, r = 0.807(p < 0.001) for VITEK 2-FCM. Correlation values were found as follows for Gram positive bacteria; r = 0.848(p < 0.001) for BMD-FCM, r = 0.877(p < 0.001) for BMD-VITEK 2, r = 0.800(p < 0.001) for VITEK 2-FCM. When all bacteria included in the study were evaluated as a total; it was r = 0.911(p < 0.001) for BMD-FCM, r = 0.888(p < 0.001) for BMD-VITEK 2, r = 0.835(p < 0.001) for VITEK 2-FCM. The methicillin resistance of the clinical methicillin resistant S. aureus isolate could not be detected by FCM. It was determined that there was a high level of correlation between methods. FCM shortens the duration of antibiotic susceptibility tests by 12-14 h and gives results within the same day. However, it has not been standardized to be widely used in microbiology laboratories and experienced personnel are needed for its implementation.
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Affiliation(s)
- Huseyin Hatipoglu
- Department of Medical Microbiology, Faculty of Medicine, Sakarya University, Sakarya, Turkey
| | - Gulay Erman
- Health Services Education Research and Application Centre, Sakarya University, Sakarya, Turkey
| | - Hande Toptan
- Medical Microbiology Laboratory, Sakarya Training and Research Hospital, Sakarya, Turkey.
| | - Mehmet Koroglu
- Department of Medical Microbiology, Faculty of Medicine, Sakarya University, Sakarya, Turkey
| | - Mustafa Altindis
- Department of Medical Microbiology, Faculty of Medicine, Sakarya University, Sakarya, Turkey
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3
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Avci FG, Tastekil I, Jaisi A, Ozbek Sarica P, Sariyar Akbulut B. A review on the mechanistic details of OXA enzymes of ESKAPE pathogens. Pathog Glob Health 2022; 117:219-234. [PMID: 35758005 PMCID: PMC10081068 DOI: 10.1080/20477724.2022.2088496] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
The production of β-lactamases is a prevalent mechanism that poses serious pressure on the control of bacterial resistance. Furthermore, the unavoidable and alarming increase in the transmission of bacteria producing extended-spectrum β-lactamases complicates treatment alternatives with existing drugs and/or approaches. Class D β-lactamases, designated as OXA enzymes, are characterized by their activity specifically towards oxacillins. They are widely distributed among the ESKAPE bugs that are associated with antibiotic resistance and life-threatening hospital infections. The inadequacy of current β-lactamase inhibitors for conventional treatments of 'OXA' mediated infections confirms the necessity of new approaches. Here, the focus is on the mechanistic details of OXA-10, OXA-23, and OXA-48, commonly found in highly virulent and antibiotic-resistant pathogens Acinetobacter baumannii, Klebsiella pneumoniae, Pseudomonas aeruginosa, and Enterobacter spp. to describe their similarities and differences. Furthermore, this review contains a specific emphasis on structural and computational perspectives, which will be valuable to guide efforts in the design/discovery of a common single-molecule drug against ESKAPE pathogens.
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Affiliation(s)
- Fatma Gizem Avci
- Bioengineering Department, Uskudar University, Uskudar, 34662, Turkey
| | - Ilgaz Tastekil
- Bioengineering Department, Marmara University, Kadikoy, 34722, Turkey
| | - Amit Jaisi
- Drug and Cosmetics Excellence Center, School of Pharmacy, Walailak University, 80160, Nakhon Si Thammarat, Thailand
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Combarros-Fuertes P, Estevinho LM, Teixeira-Santos R, Rodrigues AG, Pina-Vaz C, Fresno JM, Tornadijo ME. Evaluation of Physiological Effects Induced by Manuka Honey Upon Staphylococcus aureus and Escherichia coli. Microorganisms 2019; 7:microorganisms7080258. [PMID: 31412630 PMCID: PMC6722746 DOI: 10.3390/microorganisms7080258] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/08/2019] [Accepted: 08/09/2019] [Indexed: 11/16/2022] Open
Abstract
Several studies have explored the antimicrobial properties of manuka honey (MkH). However, the data available regarding antibacterial action mechanisms are scarcer. The aim of this study was to scrutinize and characterize primary effects of manuka honey (MkH) upon the physiological status of Staphylococcus aureus and Escherichia coli (as Gram-positive and Gram-negative bacteria models, respectively), using flow cytometry (FC) to reveal its antibacterial action mechanisms. Effects of MkH on membrane potential, membrane integrity and metabolic activity were assessed using different fluorochromes in a 180 min time course assay. Time-kill experiments were carried out under the same conditions. Additionally, MkH effect on efflux pumps was also studied in an E. coli strain with an over-expression of several efflux pumps. Exposure of bacteria to MkH resulted in physiological changes related to membrane potential and membrane integrity; these effects displayed slight differences among bacteria. MkH induced a remarkable metabolic disruption as primary physiological effect upon S. aureus and was able to block efflux pump activity in a dose-dependent fashion in the E. coli strain.
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Affiliation(s)
- Patricia Combarros-Fuertes
- Department of Food Hygiene and Technology, Faculty of Veterinary Science, University of León, Campus de Vegazana, 24071 León, Spain.
| | - Leticia M Estevinho
- Mountain Research Center (CIMO), Polytechnic Institute of Bragança, Campus Santa Apolónia, 5301-855 Bragança, Portugal
| | - Rita Teixeira-Santos
- Division of Microbiology, Department of Pathology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Acácio G Rodrigues
- Division of Microbiology, Department of Pathology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- Center for Research in Health Technologies and Information Systems (CINTESIS), Faculty of Medicine, University of Porto, 4200-450 Porto, Portugal
- Burn Unit, Department of Plastic and Reconstructive Surgery, Hospital São João, 4200-319 Porto, Portugal
| | - Cidália Pina-Vaz
- Division of Microbiology, Department of Pathology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- Center for Research in Health Technologies and Information Systems (CINTESIS), Faculty of Medicine, University of Porto, 4200-450 Porto, Portugal
| | - Jose M Fresno
- Department of Food Hygiene and Technology, Faculty of Veterinary Science, University of León, Campus de Vegazana, 24071 León, Spain
| | - M Eugenia Tornadijo
- Department of Food Hygiene and Technology, Faculty of Veterinary Science, University of León, Campus de Vegazana, 24071 León, Spain
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White BP, Patel S, Tsui J, Chastain DB. Adding double carbapenem therapy to the armamentarium against carbapenem-resistant Enterobacteriaceae bloodstream infections. Infect Dis (Lond) 2019; 51:161-167. [DOI: 10.1080/23744235.2018.1527470] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- Bryan P. White
- OU Medical Center, Department of Pharmacy, Oklahoma City, Oklahoma, USA
| | - Smit Patel
- Phoebe Putney Health System, Albany, GA, USA
| | - Janice Tsui
- OU Medical Center, Emergency Medicine Clinical Pharmacist, Oklahoma City, OK, USA
| | - Daniel B. Chastain
- University of Georgia College of Pharmacy, Clinical and Administrative Pharmacy Department, Albany, GA, USA
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Pina-Vaz C, Costa-de-Oliveira S, Silva-Dias A, Silva AP, Teixeira-Santos R, Rodrigues AG. Flow Cytometry in Microbiology: The Reason and the Need. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/978-981-10-4499-1_7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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