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Kahsay AG, Mezgebo TA, Gebrekidan GB, Desta BL, Mihretu HG, Dejene TA. Prevalence, Antibiotic Resistance and Associated Factors of Neisseria gonorrhoeae Among Patients Attending Non-Profitable Private Clinics in Mekelle, Tigrai, Ethiopia. Infect Drug Resist 2023; 16:4065-4072. [PMID: 37383604 PMCID: PMC10295600 DOI: 10.2147/idr.s416344] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 06/21/2023] [Indexed: 06/30/2023] Open
Abstract
Background Globally, Neisseria gonorrhoeae is the second most common cause of bacterial sexually transmitted diseases. The prominent predicament of this bacterium is its complications, non-susceptibility for many drugs, and aggravated transmission of other sexually transmitted infections. There is limited information about the prevalence, antibiotic resistance, and risk factors of N. gonorrhoeae in Tigrai, Ethiopia. Therefore, we aimed to determine the prevalence, antibiotic resistance, and risk factors of N. gonorrhoeae among patients attending non-profitable private clinics in Mekelle, Tigrai, Ethiopia. Methods A cross-sectional study among 229 patients was conducted from February to June 2018. The socio-demographic data and associated factors were gathered using structured questionnaire, and swabs were taken from urethra and cervix of males and females, respectively. Specimens were inoculated on standard bacteriological culture media and antibiotic susceptibility testing was performed using Kirby-Bauer disc diffusion technique following the Clinical and Laboratory Standard Institute. Data were analyzed using Statistical Package for Social Sciences Version 21. The level of significance at p-value <0.05 was considered statistically significant. Results The overall prevalence of N. gonorrhoeae was 23 (10.04%). High prevalence rates of N. gonorrhoeae were observed in females, urban residents and married ones. N. gonorrhoeae had shown statistically significant association with HIV positive, previous history of STIs, shisha users, Khat (Catha edulis) users, condom non-users and having more than two sexual partners. All isolates showed resistance to penicillin followed by tetracycline 16 (69.6%) and ciprofloxacin 8 (34.8%). Four isolates (7.4%) exhibited resistance to azithromycin with no resistance to ceftriaxone. Twelve (52.2%) isolates showed multidrug resistance (MDR). Conclusions The prevalence of N. gonorrhoeae and drug resistance, including multidrug resistance, was high in the study. Multiple factors were associated with the acquisition of N. gonorrhoeae. Therefore, behavioral change and communication should be strengthened.
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Affiliation(s)
- Atsebaha Gebrekidan Kahsay
- Department of Medical Microbiology and Immunology, School of Medicine, College of Health Sciences, Mekelle University, Mekelle, Tigrai, Ethiopia
| | - Tadele Araya Mezgebo
- Department of Medical Microbiology and Immunology, School of Medicine, College of Health Sciences, Mekelle University, Mekelle, Tigrai, Ethiopia
| | - Gebregziabher Berihu Gebrekidan
- Department of Health Systems, School of Public Health, College of Health Sciences, Mekelle University, Mekelle, Tigrai, Ethiopia
| | - Birhane Lemlem Desta
- Department of Gynecology and Obstetrics, College of Health Sciences, Mekelle University, Mekelle, Tigrai, Ethiopia
| | - Hagos Gidey Mihretu
- Department of Gynecology and Obstetrics, College of Health Sciences, Mekelle University, Mekelle, Tigrai, Ethiopia
| | - Tsehaye Asmelash Dejene
- Department of Medical Microbiology and Immunology, School of Medicine, College of Health Sciences, Mekelle University, Mekelle, Tigrai, Ethiopia
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Lu Z, Tadi DA, Fu J, Azizian K, Kouhsari E. Global status of Azithromycin and Erythromycin Resistance Rates in Neisseria gonorrhoeae: A Systematic Review and Meta-analysis. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2022; 95:465-478. [PMID: 36568835 PMCID: PMC9765340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Background: The widespread development of antibiotic resistance or decreased susceptibility in Neisseria gonorrhoeae (NG) infection is a global and significant human public health issue. Objectives: Therefore, this meta-analysis aimed to estimate worldwide resistance rates of NG to the azithromycin and erythromycin according to years, regions, and antimicrobial susceptibility testing (AST). Methods: We systematically searched the published studies in PubMed, Scopus, and Embase from 1988 to 2021. All analyses were conducted using Stata software. Results: The 134 reports included in the meta-analysis were performed in 51 countries and examined 165,172 NG isolates. Most of the included studies were from Asia (50 studies) and Europe (46 studies). In the metadata, the global prevalence over the past 30 years were 6% for azithromycin and 48% for erythromycin. There was substantial change in the prevalence of macrolides NG resistance over time (P <0.01). In this metadata, among 58 countries reporting resistance data for azithromycin, 17 (29.3%) countries reported that >5% of specimens had azithromycin resistance. Conclusions: The implications of this study emphasize the rigorous or improved antimicrobial stewardship, early diagnosis, contact tracing, and enhanced intensive global surveillance system are crucial for control of further spreading of gonococcal emergence of antimicrobial resistance (AMR).
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Affiliation(s)
- Zhiwei Lu
- Graduate School, Zhejiang Chinese Medical University,
Hangzhou, Zhejiang, China,Hangzhou Heyunjia Hospital, Hangzhou, Zhejiang,
China
| | - Danyal Abbasi Tadi
- Department of Veterinary, Azad University of Shahr-e
Kord, Shahr-e Kord, Iran
| | - Jinchao Fu
- Department of General Practice, Shulan (Hangzhou)
Hospital Affiliated to Zhejiang Shuren University Shulan International Medical
College, Hangzhou, Zhejiang, China,To whom all correspondence should be addressed:
Jinchao Fu, ; Ebrahim Kouhsari,
; ORCID:
https://www.orcid.org/0000-0001-5893-6483
| | - Khalil Azizian
- Department of Microbiology, Faculty of Medicine,
Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Ebrahim Kouhsari
- Laboratory Sciences Research Center, Golestan
University of Medical Sciences, Gorgan, Iran,Department of Laboratory Sciences, Faculty of
Paramedicine, Golestan University of Medical Sciences, Gorgan, Iran,To whom all correspondence should be addressed:
Jinchao Fu, ; Ebrahim Kouhsari,
; ORCID:
https://www.orcid.org/0000-0001-5893-6483
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Kubanov AA, Solomka VS, Rakhmatulina MR, Deryabin DG. Antimicrobial resistance of <i>Neisseria gonorrhoeae</i> and gonococcal infection therapy: yesterday, today, tomorrow. VESTNIK DERMATOLOGII I VENEROLOGII 2022. [DOI: 10.25208/vdv1317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Implementation of the Russian version of Gonococcal Antimicrobial Surveillance Programme (RU-GASP) in XXI century is summarized. The chronology of evidence-based updating of national clinical guidelines for the gonococcal infection management is outlined. The reasons for penicillins, tetracyclines, and fluoroquinolones excluding from gonococcal infection treatment regimens is presented, and the dynamics of subsequent changes in the sensitivity of N. gonorrhoeae to these antimicrobials is described. The modern schemes of monotherapy of gonococcal infection with third generation cephalosporins and the chronology of increasing their recommended doses are presented. The spectinomycin indications and restrictions for alternative treatment of the gonococcal infection are characterized. The absence of azithromycin in Russian gonococcal infection guideline versus international experience of this antibiotic usage is discussed. Based on current data on the ongoing spread of antimicrobial resistance genetic determinants in N. gonorrhoeae, proposals have been made to improve the RU-GASP protocols and to select drugs for the modern gonococcal infection etiotropic therapy.
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Barbaric J, Kuchukhidze G, Seguy N, Vovc E, Babovic MJT, Wi TE, Low-Beer D, Bozicevic I. Surveillance and epidemiology of syphilis, gonorrhoea and chlamydia in the non-European Union countries of the World Health Organization European Region, 2015 to 2020. EURO SURVEILLANCE : BULLETIN EUROPEEN SUR LES MALADIES TRANSMISSIBLES = EUROPEAN COMMUNICABLE DISEASE BULLETIN 2022; 27. [PMID: 35209970 PMCID: PMC8874864 DOI: 10.2807/1560-7917.es.2022.27.8.2100197] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Background Epidemics of sexually transmitted infections (STI) are a major public health challenge in the World Health Organization (WHO) European Region. Aim We aimed to provide an overview of case reporting and other surveillance data for syphilis, gonorrhoea and chlamydia for the non-European Union (EU)/European Economic Area (EEA) countries of the Centre and East part of the WHO European Region as per classification used by the WHO Regional Office for Europe (WHO/Europe) and the European Centre for Disease Prevention and Control. Methods Data were provided by the surveillance agencies of the Member States for the period 2015 to 2019 through the WHO/Europe Communicable Diseases Annual Reporting Form. We analysed reported cases, explored data reported to the WHO Gonococcal Antimicrobial Surveillance Programme (GASP) and performed a review of publications on antimicrobial resistance (AMR) in gonorrhoea in the period 2015 to 2020 using systematic methodology. Results From 2015 to 2019, in most of the countries with three or more data points, there was a pattern of decrease in reported syphilis, gonorrhoea and chlamydia cases, which is in contrast to the EU/EEA. The number of reported cases per 100,000 population was 0.4–26.5 for syphilis, 0–18.5 for gonorrhoea and 0–43.3 for chlamydia. Four countries reported recent data on AMR in gonorrhoea to GASP, and we identified further publications from Georgia, Russia and Ukraine. Conclusion We found wide heterogeneity in reported rates of STI. There is a strong need to improve availability and quality of STI surveillance data in the non-EU/EEA countries.
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Affiliation(s)
- Jelena Barbaric
- World Health Organization Collaborating Centre for HIV Strategic Information, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Giorgi Kuchukhidze
- World Health Organization Regional Office for Europe, Copenhagen, Denmark
| | - Nicole Seguy
- World Health Organization Regional Office for Europe, Copenhagen, Denmark
| | - Elena Vovc
- World Health Organization Regional Office for Europe, Copenhagen, Denmark
| | | | | | | | - Ivana Bozicevic
- World Health Organization Collaborating Centre for HIV Strategic Information, University of Zagreb School of Medicine, Zagreb, Croatia
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Butler J, Kelly SD, Muddiman KJ, Besinis A, Upton M. Hospital sink traps as a potential source of the emerging multidrug-resistant pathogen Cupriavidus pauculus: characterization and draft genome sequence of strain MF1. J Med Microbiol 2022; 71. [PMID: 35113779 PMCID: PMC8941954 DOI: 10.1099/jmm.0.001501] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Introduction.Cupriavidus pauculus is historically found in soil and water but has more recently been reported to cause human infection and death. Hospital sink traps can serve as a niche for bacterial persistence and a platform for horizontal gene transfer, with evidence of dissemination of pathogens in hospital plumbing systems driving nosocomial infection. Gap Statement. This paper presents the first C. pauculus strain isolated from a hospital sink trap. There are only six genome assemblies available on NCBI for C. pauculus; two of these are PacBio/Illumina hybrids. This paper presents the first ONT/Illumina hybrid assembly, with five contigs. The other assemblies available consist of 37, 38, 111 and 227 contigs. This paper also presents data on biofilm formation and lethal dose in Galleria mellonella; there is little published information describing these aspects of virulence. Aim. The aims were to identify the isolate found in a hospital sink trap, characterize its genome, and assess whether it could pose a risk to human health. Methodology. The genome was sequenced, and a hybrid assembly of short and long reads produced. Antimicrobial susceptibility was determined by the broth microdilution method. Virulence was assessed by measuring in vitro biofilm formation compared to Pseudomonas aeruginosa and in vivo lethality in Galleria mellonella larvae. Results. The isolate was confirmed to be a strain of C. pauculus, with a 6.8 Mb genome consisting of 6468 coding sequences and an overall G+C content of 63.9 mol%. The genome was found to contain 12 antibiotic resistance genes, 8 virulence factor genes and 33 metal resistance genes. The isolate can be categorized as resistant to meropenem, amoxicillin, amikacin, gentamicin and colistin, but susceptible to cefotaxime, cefepime, imipenem and ciprofloxacin. Clear biofilm formation was seen in all conditions over 72 h and exceeded that of P. aeruginosa when measured at 37 °C in R2A broth. Lethality in G. mellonella larvae over 48 h was relatively low. Conclusion. The appearance of a multidrug-resistant strain of C. pauculus in a known pathogen reservoir within a clinical setting should be considered concerning. Further work should be completed to compare biofilm formation and in vivo virulence between clinical and environmental strains, to determine how easily environmental strains may establish human infection. Infection control teams and clinicians should be aware of the emerging nature of this pathogen and further work is needed to minimize the impact of contaminated hospital plumbing systems on patient outcomes.
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Affiliation(s)
- James Butler
- School of Engineering, Computing and Mathematics, Faculty of Science and Engineering, University of Plymouth, Plymouth PL4 8AA, UK
| | - Sean D Kelly
- School of Biomedical Sciences, Faculty of Health, University of Plymouth, Plymouth PL4 8AA, UK
| | - Katie J Muddiman
- School of Biomedical Sciences, Faculty of Health, University of Plymouth, Plymouth PL4 8AA, UK
| | - Alexandros Besinis
- School of Engineering, Computing and Mathematics, Faculty of Science and Engineering, University of Plymouth, Plymouth PL4 8AA, UK.,Peninsula Dental School, Faculty of Health, University of Plymouth, Plymouth PL4 8AA, UK
| | - Mathew Upton
- School of Biomedical Sciences, Faculty of Health, University of Plymouth, Plymouth PL4 8AA, UK
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Li XH, Huang YY, Lu LM, Zhao LJ, Luo XK, Li RJ, Dai YY, Qin C, Huang YQ, Chen H. Early genetic diagnosis of clarithromycin resistance in Helicobacter pylori. World J Gastroenterol 2021; 27:3595-3608. [PMID: 34239272 PMCID: PMC8240046 DOI: 10.3748/wjg.v27.i24.3595] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/13/2021] [Accepted: 05/21/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The drug resistance rate of clinical Helicobacter pylori (H. pylori) isolates has increased. However, the mechanism of drug resistance remains unclear. In this study, drug-resistant H. pylori strains were isolated from different areas and different populations of Chinese for genomic analysis.
AIM To investigate drug-resistant genes in H. pylori and find the genes for the early diagnosis of clarithromycin resistance.
METHODS Three drug-resistant H. pylori strains were isolated from patients with gastritis in Bama County, China. Minimal inhibitory concentrations of clarithromycin, metronidazole, and levofloxacin were determined and complete genome sequencing was performed with annotation. Hp1181 and hp1184 genes were found in these strains and then detected by reverse transcription polymerase chain reaction. The relationships between hp1181 or hp1184 and clarithromycin resistance were ascertained with gene mutant and drug-resistant strains. The homology of the strains with hp26695 was assessed through complete genome detection and identification. Differences in genome sequences, gene quantity, and gene characteristics were detected amongst the three strains. Prediction and analysis of the function of drug-resistant genes indicated that the RNA expression of hp1181 and hp1184 increased in the three strains, which was the same in the artificially induced clarithromycin-resistant bacteria. After gene knockout, the drug sensitivity of the strains was assessed.
RESULTS The strains showing a high degree of homology with hp26695, hp1181, and hp1184 genes were found in these strains; the expression of the genes hp1184 and hp1181 was associated with clarithromycin resistance.
CONCLUSION Hp1181 and hp1184 mutations may be the earliest and most persistent response to clarithromycin resistance, and they may be the potential target genes for the diagnosis, prevention, and treatment of clarithromycin resistance.
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Affiliation(s)
- Xiao-Hua Li
- Research Center for the Prevention and Treatment of Drug Resistant Microbial Infection, Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China
| | - Yong-Yi Huang
- Research Center for the Prevention and Treatment of Drug Resistant Microbial Infection, Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China
| | - Lin-Ming Lu
- Department of Pathology, Wannan Medical College, Wuhu 241002, Anhui Province, China
| | - Li-Juan Zhao
- Research Center for the Prevention and Treatment of Drug Resistant Microbial Infection, Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China
| | - Xian-Ke Luo
- Department of Gastroenterology, National Hospital of Guangxi Zhuang Autonomous Region, Nanning Guangxi Zhuang Autonomous Region, 530001, China
| | - Ru-Jia Li
- Research Center for the Prevention and Treatment of Drug Resistant Microbial Infection, Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China
| | - Yuan-Yuan Dai
- Research Center for the Prevention and Treatment of Drug Resistant Microbial Infection, Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China
| | - Chun Qin
- Research Center for the Prevention and Treatment of Drug Resistant Microbial Infection, Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China
| | - Yan-Qiang Huang
- Research Center for the Prevention and Treatment of Drug Resistant Microbial Infection, Youjiang Medical University for Nationalities, Baise 533000, Guangxi Zhuang Autonomous Region, China
| | - Hao Chen
- Department of Pathology, Wannan Medical College, Wuhu 241002, Anhui Province, China
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Karymbaeva S, Boiko I, Jacobsson S, Mamaeva G, Ibraeva A, Usupova D, Golparian D, Unemo M. Antimicrobial resistance and molecular epidemiological typing of Neisseria gonorrhoeae isolates from Kyrgyzstan in Central Asia, 2012 and 2017. BMC Infect Dis 2021; 21:559. [PMID: 34118893 PMCID: PMC8195719 DOI: 10.1186/s12879-021-06262-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/01/2021] [Indexed: 04/04/2023] Open
Abstract
Background Gonorrhoea and antimicrobial resistance (AMR) in Neisseria gonorrhoeae are significant public health concerns globally. Nearly no gonococcal AMR data are available from Central Asia, and no data from Kyrgyzstan has been published. We examined, for the first time, AMR and molecular epidemiology of N. gonorrhoeae isolates cultured in Kyrgyzstan in 2012 and 2017, in order to inform refinements of the Kyrgyz national gonorrhoea management guidelines. Methods N. gonorrhoeae isolates cultured in 2012 (n = 84) and 2017 (n = 72) in Kyrgyzstan were examined. MICs of nine antimicrobials were determined using Etest and, where available, clinical breakpoints from the EUCAST were applied. N. gonorrhoeae multiantigen sequence typing (NG-MAST) was also performed. Results The overall resistance levels were high to ciprofloxacin (88.5%), tetracycline (56.9%), benzylpenicillin (39.1%), and kanamycin (4.7%). Resistance to cefixime (0.6%, n = 1 isolate), azithromycin (0.6%, n = 1), and gentamicin (0.6%, n = 1) was rare. No resistance to ceftriaxone or spectinomycin was found. However, the proportion of isolates with decreased susceptibility (MIC = 0.125 mg/L) to ceftriaxone and cefixime was 12.8 and 11.5%, respectively. Gonococcal isolates were assigned 69 sequence types, of which 52 (75.4%) were new. Conclusions The gonococcal population in Kyrgyzstan in 2012 and 2017 showed a high genetic diversity. Ceftriaxone, 500–1000 mg, in combination with azithromycin 2 g or doxycycline, particularly when chlamydial infection has not been excluded, should be recommended as empiric first-line treatment. Spectinomycin 2 g could be an alternative treatment, and given with azithromycin 2 g if pharyngeal gonorrhoea has not been excluded. Fluoroquinolones, aminoglycosides, benzylpenicillin, or tetracyclines should not be used for empiric treatment of gonorrhoea in Kyrgyzstan. Timely updating and high compliance to national gonorrhoea treatment guidelines based on quality-assured AMR data is imperative. Expanded and improved gonococcal AMR surveillance in Kyrgyzstan is crucial.
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Affiliation(s)
- Saliya Karymbaeva
- WHO Collaborating Centre for Gonorrhoea and Other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Clinical Microbiology, Faculty of Medicine and Health, Örebro University Hospital, SE-701 85, Örebro, Sweden
| | - Iryna Boiko
- WHO Collaborating Centre for Gonorrhoea and Other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Clinical Microbiology, Faculty of Medicine and Health, Örebro University Hospital, SE-701 85, Örebro, Sweden.,Department of Functional and Laboratory Diagnostics, I. Horbachevsky Ternopil National Medical University, Ternopil, Ukraine
| | - Susanne Jacobsson
- WHO Collaborating Centre for Gonorrhoea and Other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Clinical Microbiology, Faculty of Medicine and Health, Örebro University Hospital, SE-701 85, Örebro, Sweden
| | - Galina Mamaeva
- Republican Dermatovenerological Centre, Bishkek, Kyrgyzstan
| | | | - Dilara Usupova
- Republican Dermatovenerological Centre, Bishkek, Kyrgyzstan
| | - Daniel Golparian
- WHO Collaborating Centre for Gonorrhoea and Other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Clinical Microbiology, Faculty of Medicine and Health, Örebro University Hospital, SE-701 85, Örebro, Sweden
| | - Magnus Unemo
- WHO Collaborating Centre for Gonorrhoea and Other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Clinical Microbiology, Faculty of Medicine and Health, Örebro University Hospital, SE-701 85, Örebro, Sweden.
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Antimicrobial resistance in Neisseria gonorrhoeae isolates and gonorrhoea treatment in the Republic of Belarus, Eastern Europe, 2009-2019. BMC Infect Dis 2021; 21:520. [PMID: 34078300 PMCID: PMC8173742 DOI: 10.1186/s12879-021-06184-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 05/14/2021] [Indexed: 11/22/2022] Open
Abstract
Background Limited antimicrobial resistance (AMR) data for Neisseria gonorrhoeae are available in Eastern Europe. We investigated AMR in N. gonorrhoeae isolates in the Republic of Belarus from 2009 to 2019, antimicrobial treatment recommended nationally, and treatment given to patients with gonorrhoea. Methods N. gonorrhoeae isolates (n = 522) cultured in three regions of Belarus in 2009–2019 were examined. Determination of minimum inhibitory concentrations (MICs) of eight antimicrobials was performed using Etest. Resistance breakpoints from the European Committee on Antimicrobial Susceptibility Testing were applied where available. A Nitrocefin test identified β-lactamase production. Gonorrhoea treatment for 1652 patients was also analysed. Statistical significance was determined by the Z-test, Fisher’s exact test, or Mann-Whitney U test with p-values of < 0.05 indicating significance. Results In total, 27.8% of the N. gonorrhoeae isolates were resistant to tetracycline, 24.7% to ciprofloxacin, 7.0% to benzylpenicillin, 2.7% to cefixime, and 0.8% to azithromycin. No isolates were resistant to ceftriaxone, spectinomycin, or gentamicin. However, 14 (2.7%) isolates had a ceftriaxone MIC of 0.125 mg/L, exactly at the resistance breakpoint (MIC > 0.125 mg/L). Only one (0.2%) isolate, from 2013, produced β-lactamase. From 2009 to 2019, the levels of resistance to ciprofloxacin and tetracycline were relatively high and stable. Resistance to cefixime was not identified before 2013 but peaked at 22.2% in 2017. Only sporadic isolates with resistance to azithromycin were found in 2009 (n = 1), 2012 (n = 1), and 2018–2019 (n = 2). Overall, 862 (52.2%) patients received first-line treatment according to national guidelines (ceftriaxone 1 g). However, 154 (9.3%) patients received a nationally recommended alternative treatment (cefixime 400 mg or ofloxacin 400 mg), and 636 (38.5%) were given non-recommended treatment. Conclusions The gonococcal resistance to ciprofloxacin and tetracycline was high, however, the resistance to azithromycin was low and no resistance to ceftriaxone was identified. Ceftriaxone 1 g can continuously be recommended as empiric first-line gonorrhoea therapy in Belarus. Fluoroquinolones should not be prescribed for treatment if susceptibility has not been confirmed by testing. Timely updating and high compliance with national evidence-based gonorrhoea treatment guidelines based on quality-assured AMR data are imperative. The need for continued, improved and enhanced surveillance of gonococcal AMR in Belarus is evident.
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Kandinov I, Dementieva E, Kravtsov D, Chestkov A, Kubanov A, Solomka V, Deryabin D, Gryadunov D, Shaskolskiy B. Molecular Typing of Neisseria gonorrhoeae Clinical Isolates in Russia, 2018-2019: A Link Between penA Alleles and NG-MAST Types. Pathogens 2020; 9:pathogens9110941. [PMID: 33198126 PMCID: PMC7696878 DOI: 10.3390/pathogens9110941] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/03/2020] [Accepted: 11/11/2020] [Indexed: 02/05/2023] Open
Abstract
This work aimed to study penA gene polymorphisms in clinical isolates of Neisseria gonorrhoeae collected in Russia in 2018-2019 and the contribution of the penA allele type to susceptibility to β-lactam antibiotics. A total of 182 isolates were analyzed. penA allele types were determined by sequencing, and the minimum inhibitory concentrations (MICs) of benzylpenicillin and ceftriaxone were measured. The influence of genetic factors on MICs was evaluated by regression analysis. All isolates were susceptible to ceftriaxone, and 40.1% of isolates were susceptible to penicillin. Eleven penA allele types were identified. The mosaic type XXXIV penA allele and the Gly120Lys substitution in PorB made the greatest contributions to increasing the ceftriaxone MIC; the presence of the blaTEM plasmid, Gly120Asp, Ala121Gly/Asn substitutions in PorB, and the adenine deletion in the promoter region of the mtrR gene caused an increase in the penicillin MIC. Among 61 NG-MAST types identified, the most frequent were types 228, 807, 9486, 1993, and 6226. A link between penA alleles and Neisseria gonorrhoeae multi-antigen sequence typing (NG-MAST) types was established. Resistance to two groups of β-lactam antibiotics was associated with non-identical changes in penA alleles. To prevent the emergence of ceftriaxone resistance in Russia, NG-MAST genotyping must be supplemented with penA allele analysis.
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Affiliation(s)
- Ilya Kandinov
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (I.K.); (E.D.); (D.K.); (D.G.)
| | - Ekaterina Dementieva
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (I.K.); (E.D.); (D.K.); (D.G.)
| | - Dmitry Kravtsov
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (I.K.); (E.D.); (D.K.); (D.G.)
| | - Alexander Chestkov
- State Research Center of Dermatovenerology and Cosmetology, Russian Ministry of Health, 107076 Moscow, Russia; (A.C.); (A.K.); (V.S.); (D.D.)
| | - Alexey Kubanov
- State Research Center of Dermatovenerology and Cosmetology, Russian Ministry of Health, 107076 Moscow, Russia; (A.C.); (A.K.); (V.S.); (D.D.)
| | - Victoria Solomka
- State Research Center of Dermatovenerology and Cosmetology, Russian Ministry of Health, 107076 Moscow, Russia; (A.C.); (A.K.); (V.S.); (D.D.)
| | - Dmitry Deryabin
- State Research Center of Dermatovenerology and Cosmetology, Russian Ministry of Health, 107076 Moscow, Russia; (A.C.); (A.K.); (V.S.); (D.D.)
| | - Dmitry Gryadunov
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (I.K.); (E.D.); (D.K.); (D.G.)
| | - Boris Shaskolskiy
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (I.K.); (E.D.); (D.K.); (D.G.)
- Correspondence:
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Plakhova XI, Petrova NP, Nikonorov AA, Kubanov AA. [Biochemical atypia in the modern russian strains of Neisseria gonorrhoeae.]. Klin Lab Diagn 2020; 65:507-511. [PMID: 32762194 DOI: 10.18821/0869-2084-2020-65-8-507-511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A total 267 strains of Neisseria gonorrhoeae obtained in 2016 from 16 regions of the Russian Federation in six federal districts: Southern, Central, Northwestern, Volga, Ural and Siberian were investigated. All microorganisms were identified by biochemical profile on the Vitek 2 Compact analyzer. Matrix-assisted laser desorption ionization-time of flight mass spectrometry(MALDI-ToF MS) was used as an alternative method of identification. Biochemical typing revealed an atypical indistinctive enzymatic profile of N. gonorrhoeae(loss of D-glucose fermentation abilityand reducing of specific enzymes: ProA, TyrA, APPA in 49.1% of studies (131 strains), resulting in 39 strains (14.6%) were assigned to other types of microorganisms. Additional biochemical typing reduced the percentage of error by almost five times (from 14,6 to 3), but 100% confirmation of N. gonorrhoeae was not received.However, verification by mass spectrometer study showed 100% affiliation of the microorganism to N. gonorrhoeae. Biochemical atypia of N. gonorrhoeae represented by the loss of a number of taxonomically significant characters determines the need for an integrated approach to its identification which includes proteomic (massspectrometry) and/or genomic (PCR) studiesalong with biochemical typing.
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Affiliation(s)
- X I Plakhova
- State Scientific Center of Dermatovenereology and Cosmetology, Russian Ministry of Health, 107076, Moscow, Russia
| | - N P Petrova
- State Scientific Center of Dermatovenereology and Cosmetology, Russian Ministry of Health, 107076, Moscow, Russia
| | - A A Nikonorov
- State Scientific Center of Dermatovenereology and Cosmetology, Russian Ministry of Health, 107076, Moscow, Russia
| | - A A Kubanov
- State Scientific Center of Dermatovenereology and Cosmetology, Russian Ministry of Health, 107076, Moscow, Russia
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11
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Boiko I, Golparian D, Jacobsson S, Krynytska I, Frankenberg A, Shevchenko T, Unemo M. Genomic epidemiology and antimicrobial resistance determinants of
Neisseria gonorrhoeae
isolates from Ukraine, 2013–2018. APMIS 2020; 128:465-475. [DOI: 10.1111/apm.13060] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 05/11/2020] [Indexed: 11/28/2022]
Affiliation(s)
- Iryna Boiko
- Department of Functional and Laboratory Diagnostics I. Horbachevsky Ternopil National Medical University Ternopil Ukraine
- WHO Collaborating Centre for Gonorrhoea and other STIs National Reference Laboratory for STIs Department of Laboratory Medicine Faculty of Medicine and Health Örebro University Örebro Sweden
| | - Daniel Golparian
- WHO Collaborating Centre for Gonorrhoea and other STIs National Reference Laboratory for STIs Department of Laboratory Medicine Faculty of Medicine and Health Örebro University Örebro Sweden
| | - Susanne Jacobsson
- WHO Collaborating Centre for Gonorrhoea and other STIs National Reference Laboratory for STIs Department of Laboratory Medicine Faculty of Medicine and Health Örebro University Örebro Sweden
| | - Inna Krynytska
- Department of Functional and Laboratory Diagnostics I. Horbachevsky Ternopil National Medical University Ternopil Ukraine
| | | | - Tetiana Shevchenko
- Department of General Medicine with a Course of Physical Therapy Faculty of Medical Technologies of Diagnostics and Rehabilitation Oles Honchar Dnipro National University Dnipro Ukraine
| | - Magnus Unemo
- WHO Collaborating Centre for Gonorrhoea and other STIs National Reference Laboratory for STIs Department of Laboratory Medicine Faculty of Medicine and Health Örebro University Örebro Sweden
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12
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Fuzi M, Rodriguez Baño J, Toth A. Global Evolution of Pathogenic Bacteria With Extensive Use of Fluoroquinolone Agents. Front Microbiol 2020; 11:271. [PMID: 32158437 PMCID: PMC7052298 DOI: 10.3389/fmicb.2020.00271] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 02/06/2020] [Indexed: 12/11/2022] Open
Abstract
It is well-established that the spread of many multidrug-resistant (MDR) bacteria is predominantly clonal. Interestingly the international clones/sequence types (STs) of most pathogens emerged and disseminated during the last three decades. Strong experimental evidence from multiple laboratories indicate that diverse fitness cost associated with high-level resistance to fluoroquinolones contributed to the selection and promotion of the international clones/STs of hospital-associated methicillin-resistant Staphylococcus aureus (HA-MRSA), extended-spectrum β-lactamase-(ESBL)-producing Klebsiella pneumoniae, ESBL-producing Escherichia coli and Clostridioides difficile. The overwhelming part of the literature investigating the epidemiology of the pathogens as a function of fluoroquinolone use remain in concordence with these findings. Moreover, recent in vitro data clearly show the potential of fluoroquinolone exposure to shape the clonal evolution of Salmonella Enteritidis. The success of the international clones/STs in all these species was linked to the strains' unique ability to evolve multiple energetically beneficial gyrase and topoisomerase IV mutations conferring high-level resistance to fluorquinolones and concomittantly permitting the acquisition of an extra resistance gene load without evoking appreciable fitness cost. Furthermore, by analyzing the clonality of multiple species, the review highlights, that in environments under high antibiotic exposure virulence factors play only a subsidiary role in the clonal dynamics of bacteria relative to multidrug-resistance coupled with favorable fitness (greater speed of replication). Though other groups of antibiotics should also be involved in selecting clones of bacterial pathogens the role of fluoroquinolones due to their peculiar fitness effect remains unique. It is suggested that probably no bacteria remain immune to the influence of fluoroquinolones in shaping their evolutionary dynamics. Consequently a more judicious use of fluoroquinolones, attuned to the proportion of international clone/ST isolates among local pathogens, would not only decrease resistance rates against this group of antibiotics but should also ameliorate the overall antibiotic resistance landscape.
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Affiliation(s)
- Miklos Fuzi
- Institute of Medical Microbiology, Semmelweis University, Budapest, Hungary
| | - Jesus Rodriguez Baño
- Unit of Infectious Diseases, Clinical Microbiology and Preventive Medicine, Department of Medicine, Hospital Universitario Virgen Macarena, University of Seville - Biomedicine Institute of Seville (IBiS), Seville, Spain
| | - Akos Toth
- Department of Bacteriology, Mycology and Parasitology, National Public Health Center, Budapest, Hungary
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13
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Chopyk J, Nasko DJ, Allard S, Bui A, Treangen T, Pop M, Mongodin EF, Sapkota AR. Comparative metagenomic analysis of microbial taxonomic and functional variations in untreated surface and reclaimed waters used in irrigation applications. WATER RESEARCH 2020; 169:115250. [PMID: 31726395 DOI: 10.1016/j.watres.2019.115250] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 10/08/2019] [Accepted: 10/27/2019] [Indexed: 05/08/2023]
Abstract
The use of irrigation water sourced from reclamation facilities and untreated surface water bodies may be a practical solution to attenuate the burden on diminishing groundwater aquifers. However, comprehensive microbial characterizations of these water sources are generally lacking, especially with regard to variations through time and across multiple water types. To address this knowledge gap we used a shotgun metagenomic approach to characterize the taxonomic and functional variations of microbial communities within two agricultural ponds, two freshwater creeks, two brackish rivers, and three water reclamation facilities located in the Mid-Atlantic, United States. Water samples (n = 24) were collected from all sites between October and November 2016, and filtered onto 0.2 μm membrane filters. Filters were then subjected to total DNA extraction and shotgun sequencing on the Illumina HiSeq platform. From these data, we found that Betaproteobacteria dominated the majority of freshwater sites, while Alphaproteobacteria were abundant at times in the brackish waters. One of these brackish sites was also host to a greater abundance of the bacterial genera Gimesia and Microcystis. Furthermore, predicted microbial features (e.g. antibiotic resistance genes (ARGs) and Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) arrays) varied based on specific site and sampling date. ARGs were found across samples, with the diversity and abundance highest in those from a reclamation facility and a wastewater-impacted freshwater creek. Additionally, we identified over 600 CRISPR arrays, containing ∼2600 unique spacers, suggestive of a diverse and often site-specific phage community. Overall, these results provide a better understanding of the complex microbial community in untreated surface and reclaimed waters, while highlighting possible environmental and human health impacts associated with their use in agriculture.
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Affiliation(s)
- Jessica Chopyk
- Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park, MD, USA
| | - Daniel J Nasko
- Center for Bioinformatics and Computational Biology, Institute for Advanced Computer Sciences, University of Maryland, College Park, MD, USA
| | - Sarah Allard
- Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park, MD, USA
| | - Anthony Bui
- Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park, MD, USA
| | - Todd Treangen
- Department of Computer Science, Rice University, Houston, TX, USA
| | - Mihai Pop
- Center for Bioinformatics and Computational Biology, Institute for Advanced Computer Sciences, University of Maryland, College Park, MD, USA
| | - Emmanuel F Mongodin
- Institute for Genome Sciences and Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Amy R Sapkota
- Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park, MD, USA.
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14
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Młynarczyk-Bonikowska B, Majewska A, Malejczyk M, Młynarczyk G, Majewski S. Multiresistant Neisseria gonorrhoeae: a new threat in second decade of the XXI century. Med Microbiol Immunol 2019; 209:95-108. [PMID: 31802195 PMCID: PMC7125254 DOI: 10.1007/s00430-019-00651-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 11/26/2019] [Indexed: 12/13/2022]
Abstract
Neisseria gonorrhoeae is an etiologic agent of gonorrhoea, one of the most common sexually transmitted diseases caused by bacteria. For many years, infections caused by N. gonorrhoeae were considered to be relatively easy to treat; however, resistance has emerged successively to all therapeutic agents used in treatment of the disease, e.g., penicillin, ciprofloxacin or azithromycin. Currently, the global problem is the emergence and a threat of spread of N. gonorrhoeae strains resistant to extended-spectrum cephalosporins (ESC), such as injectable ceftriaxone and oral-used cefixime. Especially, dangerous are multi-resistant strains resistant simultaneously to ESC and azithromycin. Three strains with high-level resistance to azithromycin and resistant to ESC were first time isolated in 2018. Moreover, in 2018, the first ESBL was described in N. gonorrhoeae and that makes the threat of appearing the ESBL mechanism of resistance in N. gonorrhoeae more real, even though the strain was sensitive to ceftriaxone. Molecular typing revealed that variants resistant to ESC occurred also among strains belonging to epidemic clonal complex CC1 (genogroup G1407) distinguished in NG-MAST typing system. The G1407 genogroup, in particular the ST1407 sequence type, is currently dominant in most European countries. The presence of different mechanisms of drug resistance significantly affects clinical practice and force changes in treatment regimens and introduction of new drugs.
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Affiliation(s)
- Beata Młynarczyk-Bonikowska
- Department of Diagnostics of Sexually Transmitted Diseases, Medical University of Warsaw, 82a Koszykowa Str, 02-008, Warsaw, Poland
| | - Anna Majewska
- Department of Medical Microbiology, Medical University of Warsaw, 5 Chalubinskiego Str, 02-004, Warsaw, Poland.
| | - Magdalena Malejczyk
- Department of Diagnostics of Sexually Transmitted Diseases, Medical University of Warsaw, 82a Koszykowa Str, 02-008, Warsaw, Poland
| | - Grażyna Młynarczyk
- Department of Medical Microbiology, Medical University of Warsaw, 5 Chalubinskiego Str, 02-004, Warsaw, Poland
| | - Sławomir Majewski
- Department of Dermatology and Venereology, Medical University of Warsaw, 82a Koszykowa Str, 02-008, Warsaw, Poland
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15
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Thakur SD, Levett PN, Horsman GB, Dillon JAR. Association of Neisseria gonorrhoeae genogroups and specific PBP2/MtrR/PorB mutation patterns with susceptibility to penicillin in a susceptible gonococcal population. J Antimicrob Chemother 2019; 73:2682-2686. [PMID: 29992304 DOI: 10.1093/jac/dky233] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 05/21/2018] [Indexed: 12/25/2022] Open
Abstract
Objectives To ascertain whether the antimicrobial susceptibility of Neisseria gonorrhoeae isolates with differing susceptibilities to penicillin is associated with genogroups (GGs) and combined mutation patterns in PBP2 (penA), the multiple transfer resistance repressor (MtrR; mtrR) and porin B (PorB; porB). Methods The susceptibility of 146 clinical N. gonorrhoeae isolates to penicillin was determined using the agar dilution method and the interpretation criteria of CLSI. The DNA sequences of penA, mtrR and porB in isolates were compared with WT sequences and mutation patterns were determined. Isolates were typed by N. gonorrhoeae multi-antigen sequence typing (NG-MAST) and STs were grouped into specific GGs. Results The isolates tested carried 9 mutation patterns in PBP2 and 12 mutation patterns in each of MtrR and PorB. Of the 146 isolates, 121 (82.9%) were grouped into 13 different GGs. Isolates with penicillin MICs of 0.03-0.06 mg/L were significantly associated with GG25 (P < 0.05) and PBP2/MtrR/PorB mutation pattern I/WT/WT (P < 0.01). Isolates with a penicillin MIC of 1.0 mg/L were associated (P < 0.05) with: (i) GG3655 and mutation pattern XXII/A-;G45D/G120K;A121N; (ii) GG921 and mutation pattern IX/G45D/G120D;A121N; and (iii) GG1109 and mutation pattern IX/G45D/WT. Sixty percent (9/15) of penicillin-resistant isolates (MIC ≥2 mg/L) were GG3654 (P < 0.0001) and carried mutation pattern IX/G45D/G120K;A121D or IX/G45D/G120D;A121D (P < 0.05). Conclusions Specific mutation patterns in PBP2/MtrR/PorB were associated with specific GGs and penicillin susceptibility. This approach of typing strains and resistance patterns is ideal for predicting antimicrobial resistance and should be used in instances in which gonococcal culture is not available but DNA can be obtained from clinical specimens.
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Affiliation(s)
- Sidharath D Thakur
- Department of Microbiology and Immunology, College of Medicine, Saskatoon, Saskatchewan, Canada.,Vaccine and Infectious Disease Organization-International Vaccine Centre (VIDO-InterVac), Saskatoon, Saskatchewan, Canada
| | - Paul N Levett
- Roy Romanow Provincial Laboratory (formerly the Saskatchewan Disease Control Laboratory), Regina, Saskatchewan, Canada
| | - Gregory B Horsman
- Roy Romanow Provincial Laboratory (formerly the Saskatchewan Disease Control Laboratory), Regina, Saskatchewan, Canada
| | - Jo-Anne R Dillon
- Department of Microbiology and Immunology, College of Medicine, Saskatoon, Saskatchewan, Canada.,Vaccine and Infectious Disease Organization-International Vaccine Centre (VIDO-InterVac), Saskatoon, Saskatchewan, Canada
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16
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Resistance of Neisseria gonorrhoeae isolates to beta-lactam antibiotics (benzylpenicillin and ceftriaxone) in Russia, 2015-2017. PLoS One 2019; 14:e0220339. [PMID: 31344102 PMCID: PMC6657886 DOI: 10.1371/journal.pone.0220339] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 07/12/2019] [Indexed: 12/22/2022] Open
Abstract
The goal of this work was to study the phenotypic susceptibility and resistance determinants of N. gonorrhoeae isolates to beta-lactam antimicrobials (benzylpenicillin and ceftriaxone). A total of 522 clinical isolates collected in Russia in 2015–2017 were analysed for susceptibility using the agar dilution method. DNA loci involved in antimicrobial resistance were identified using DNA microarray analysis and sequencing. Resistance to benzylpenicillin remained high, with 7.7% of isolates resistant (MICpen > 1 mg/L) and 47.5% of isolates showing intermediate susceptibility (MICpen = 0.12–1 mg/L). The most frequent resistance determinant (72.4% isolates) was the Asp345 insertion in penA, both as a single mutation and in combination with other mutations, particularly with the substitution Leu421Pro in ponA (39.0%). Mutations affecting the influx and efflux of drugs were also found, including amino acid substitutions in PorB (26.8% isolates) and delA in the promoter region of mtrR (22.8%). The accumulation of mutations in chromosomal genes (penA, pon, porA, and mtrR) led to a stepwise increase in MICpen to values characteristic of intermediate resistance. The presence of blaTEM plasmids was found in 25 isolates (4.8%), resulting in a strong increase in resistance to penicillin (MICpen > 16 mg/L) compared with the chromosomal mutations; 23 plasmids were of the African type with TEM-1 beta-lactamase, and two plasmids were of the Toronto/Rio type with TEM-135 beta-lactamase. Only three isolates were found with reduced susceptibility to ceftriaxone, with MICcef = 0.12–0.25 mg/L. Sequencing of penA did not reveal mutations associated with resistance to third-generation cephalosporins, and the gene structure was non-mosaic. The majority of isolates (21 of 25) carrying the blaTEM plasmid also contained the conjugative plasmid with tetM (resistance to tetracyclines), consistent with previously reported data that the presence of the conjugative plasmid facilitates the transfer of other plasmids associated with antimicrobial resistance.
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17
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Summary and Trends of the Russian Gonococcal Antimicrobial Surveillance Programme, 2005 to 2016. J Clin Microbiol 2019; 57:JCM.02024-18. [PMID: 30894437 DOI: 10.1128/jcm.02024-18] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 03/13/2019] [Indexed: 02/01/2023] Open
Abstract
The Russian Gonococcal Antimicrobial Surveillance Programme (RU-GASP) was established in 2004 and operated continuously during the years from 2005 to 2016. The aims of this study were to summarize the RU-GASP results over this 12-year period and evaluate the trends in Neisseria gonorrhoeae antimicrobial resistance in Russia. In total, 5,038 verified N. gonorrhoeae isolates from 40 participating regions were tested for susceptibility to six antimicrobials via an agar dilution method. DNA loci involved in antimicrobial resistance were identified via minisequencing or DNA microarray techniques. From 2005 to 2016, increasing susceptibility to penicillin G (from 22.6% to 63.0%), tetracycline (from 34.8% to 53.0%), and ciprofloxacin (from 50.6% to 68.6%) was observed, but resistance to these drugs remained high. The proportions of isolates nonsusceptible to azithromycin and spectinomycin peaked in 2011 and decreased thereafter. Of the isolates, only 6 and 23 were identified as nonsusceptible to ceftriaxone according to the CLSI definitions and EUCAST breakpoint (0.57% of the total population), respectively. Comparison of N. gonorrhoeae antimicrobial resistance genetic determinants in 2005 versus those in 2016 showed a significant decrease in the number of isolates carrying chromosomal mutations. The proportion of isolates with wild-type genotypes increased from 11.7% in 2005 to 30.3% in 2016. Thus, the RU-GASP can be considered a successful gonorrhea surveillance program, and the current state of N. gonorrhoeae antimicrobial resistance in Russia is less serious than that in other WHO GASP regions.
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18
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Boiko I, Golparian D, Krynytska I, Bezkorovaina H, Frankenberg A, Onuchyna M, Jacobsson S, Unemo M. Antimicrobial susceptibility of Neisseria gonorrhoeae isolates and treatment of gonorrhoea patients in Ternopil and Dnipropetrovsk regions of Ukraine, 2013-2018. APMIS 2019; 127:503-509. [PMID: 30903707 DOI: 10.1111/apm.12948] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 03/17/2019] [Indexed: 12/23/2022]
Abstract
Antimicrobial resistance (AMR) in Neisseria gonorrhoeae is a major public health concern globally. However, recent gonococcal AMR data from Eastern Europe are extremely limited and no AMR data for strains spreading in Ukraine have ever been internationally published. We investigated the AMR of N. gonorrhoeae isolates in two regions of Ukraine (Ternopil 2013-2018, Dnipropetrovsk 2013-2014), and, where information was available, the treatment administered to the corresponding gonorrhoea patients. Determination of minimum inhibitory concentration (MIC) of eight antimicrobials was performed using Etest and resistance breakpoints from the European Committee on Antimicrobial Susceptibility Testing (EUCAST) were applied. Overall, 9.3% of the examined 150 isolates were resistant to ciprofloxacin, 6.0% to tetracycline, 2.0% to azithromycin, and 0.7% to benzylpenicillin. No isolates were resistant to ceftriaxone, cefixime, spectinomycin, or gentamicin. However, one (0.7%) isolate showed a MIC value of 0.125 mg/L for both ceftriaxone and cefixime, i.e., bordering resistance. Eighty-eight (67.2%) of 131 patients were administered dual therapy (ceftriaxone 1 g plus doxycycline/clarithromycin/azithromycin/ofloxacin) and 22 (16.8%) ceftriaxone 1 g monotherapy. Worryingly, 21 (16.0%) patients received monotherapy with clarithromycin/doxycycline/azithromycin/ofloxacin/benzylpenicillin. In conclusion, the antimicrobial susceptibility of gonococcal strains spreading in Ternopil and Dnipropetrovsk, Ukraine during 2013-2018 was high. Low levels of resistance to ciprofloxacin, tetracycline, azithromycin, and benzylpenicillin were found, but no resistance to the internationally recommended ceftriaxone, cefixime, or spectinomycin. Ceftriaxone 1 g should remain as empiric first-line treatment, in dual therapy with azithromycin or doxycycline or in monotherapy. Continued and expanded gonococcal AMR surveillance in Ukraine is essential to monitor the susceptibility to particularly extended-spectrum cephalosporins, azithromycin and doxycycline.
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Affiliation(s)
- Iryna Boiko
- WHO Collaborating Centre for Gonorrhoea and other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden.,Clinical Laboratory Department, Ternopil Regional Clinical Dermatovenerologic Dispensary, Ternopil, Ukraine
| | - Daniel Golparian
- WHO Collaborating Centre for Gonorrhoea and other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Inna Krynytska
- Department of Functional and Laboratory Diagnostics, I. Horbachevsky Ternopil State Medical University, Ternopil, Ukraine
| | - Halyna Bezkorovaina
- Outpatient Department, Ternopil Regional Clinical Dermatovenerologic Dispensary, Ternopil, Ukraine
| | - Arkadii Frankenberg
- Dnipropetrovsk Regional Clinical Dermatovenerologic Dispensary, Dnipro, Ukraine
| | - Margarita Onuchyna
- Clinical Laboratory Department, Dnipropetrovsk Regional Clinical Dermatovenerologic Dispensary, Dnipro, Ukraine
| | - Susanne Jacobsson
- WHO Collaborating Centre for Gonorrhoea and other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Magnus Unemo
- WHO Collaborating Centre for Gonorrhoea and other STIs, National Reference Laboratory for STIs, Department of Laboratory Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
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19
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Mlynarczyk-Bonikowska B, Malejczyk M, Majewski S, Unemo M. Antibiotic resistance and NG-MAST sequence types of Neisseria gonorrhoeae isolates in Poland compared to the world. Postepy Dermatol Alergol 2018; 35:346-551. [PMID: 30618519 PMCID: PMC6320495 DOI: 10.5114/ada.2018.79780] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 06/12/2018] [Indexed: 11/17/2022] Open
Abstract
Gonorrhoea is one of the most common sexually transmitted infections and in 2012, the World Health Organization estimated about 78 million of new global urogenital cases among adults per year. The main concern during the latest decade has been the emergence and spread of multidrug-resistant strains of Neisseria gonorrhoeae. Resistance has emerged internationally to the extended-spectrum cephalosporins, ceftriaxone and cefixime, which are the last remaining options for empiric first-line monotherapy of gonorrhoea. In Poland, the levels of resistance to ciprofloxacin, benzylpenicillin and tetracycline are high, and the prevalence of azithromycin resistance has increased. However, no resistance to ceftriaxone has been identified. The currently spread multidrug-resistant strains frequently represent epidemic clones. The present paper reviews and describes the antimicrobial resistance and N. gonorrhoeae multiantigen sequence typing (NG-MAST) sequence types of N. gonorrhoeae strains spreading in Poland compared to the world.
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Affiliation(s)
| | - Magdalena Malejczyk
- Department of Diagnostics of Sexually Transmitted Diseases, Medical University of Warsaw, Warsaw, Poland
| | - Sławomir Majewski
- Department of Diagnostics of Sexually Transmitted Diseases, Medical University of Warsaw, Warsaw, Poland
| | - Magnus Unemo
- World Health Organization (WHO) Collaborating Centre for Gonorrhoea and other STIs, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
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20
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Kubanov AA, Runina AV, Chestkov AV, Kudryavtseva AV, Pekov YA, Korvigo IO, Deryabin DG. Whole-Genome Sequencing of Russian Neisseria Gonorrhoeae Isolates Related to ST 1407 Genogroup. Acta Naturae 2018; 10:68-76. [PMID: 30397529 PMCID: PMC6209400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Indexed: 11/06/2022] Open
Abstract
The whole-genome sequencing data of three N. gonorrhoeae strains isolated in the Russian Federation in 2015 are presented. According to the NG-MAST protocol, these strains are related to the globally spread ST 1407 genogroup. The analysis of their resistomes showed the absence of ermA/B/C/F genes and the presence of wild-type alleles of rpsE, rrs, rrl, rplD, rplV, macAB, and mefA genes, and these patterns explain the susceptibility of the sequenced strains to aminocyclitols (spectinomycin) and macrolides (azithromycin). Conjugative resistance determinants (blaTEM, tetM) were absent in the genomes, and the penC/ pilQ, parE, and norM alleles were shown to be wild-type, whereas single or multiple nucleotide substitutions were identified in the genes encoding targets for β-lactams (ponA, penA), tetracyclines (rpsJ), and fluoroquinolones (gyrA, parC). The additional mutations were found in porB gene and the promoter of mtrR gene, which nonspecifically reduced the susceptibility to antimicrobials due to the membrane permeability decrease and efflux pump overexpression. The diversity of mutations observed in the analyzed genomes prompted a revision of the phylogenetic relationships between the strains by comparing more than 790 groups of housekeeping genes. A high homology between the N. gonorrhoeae ST 1407 and N. gonorrhoeae ST 12556 genomes was confirmed; the latter had probably diverged from a common ancestor as a result of single mutation events. On the other hand, N. gonorrhoeae ST 12450 was an example of phenotypic convergence which appeared in the emergence of new drug resistance determinants that partially coincide with those of the ST 1407 genogroup.
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Affiliation(s)
- A. A. Kubanov
- State Research Centre of Dermatovenerology and Cosmetology, Korolenko Str., 3/6, Moscow, 107076 , Russia
| | - A. V. Runina
- State Research Centre of Dermatovenerology and Cosmetology, Korolenko Str., 3/6, Moscow, 107076 , Russia
| | - A. V. Chestkov
- State Research Centre of Dermatovenerology and Cosmetology, Korolenko Str., 3/6, Moscow, 107076 , Russia
| | - A. V. Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova Str., 32, Moscow, 119991, Russia
| | - Y. A. Pekov
- Ksivalue Data Analysis Studio, Leninsky Ave., 30A, Moscow, 117628, Russia
| | - I. O. Korvigo
- Ksivalue Data Analysis Studio, Leninsky Ave., 30A, Moscow, 117628, Russia
| | - D. G. Deryabin
- State Research Centre of Dermatovenerology and Cosmetology, Korolenko Str., 3/6, Moscow, 107076 , Russia
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Tetracycline resistance of Neisseria gonorrhoeae in Russia, 2015-2017. INFECTION GENETICS AND EVOLUTION 2018; 63:236-242. [PMID: 29883770 DOI: 10.1016/j.meegid.2018.06.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 05/31/2018] [Accepted: 06/01/2018] [Indexed: 11/22/2022]
Abstract
The objective of this study was to estimate the tetracycline resistance level in the modern population of Neisseria gonorrhoeae in the Russian Federation, where this drug was removed from the treatment regimen for gonococcal infections in 2003. A total of 401 isolates collected between 2015 and 2017 were analyzed for genetic markers (chromosomal porB, rpsJ and mtrR gene mutations and the plasmid-located tetM gene) involved in tetracycline resistance. Antibiotic susceptibility testing revealed that 19% of the strains were tetracycline resistant (MIC > 1 mg/L) and that 10% of the strains had intermediate susceptibility (0.5 < MIC ≤ 1 mg/L). Various combinations of mutations identified in the rpsJ (Val57Met/Leu), porB (Gly120Lys/Asp/Asn/Thr and Ala121/Asp/Asn/Gly), and mtrR (-35 del A) genes resulted in MIC increases of up to 1.47 mg/L (geometric mean value). The presence of the tetM gene was detected in 29 strains, including 18 tetM genes of the American type and 11 of the Dutch type. The tetM gene was associated with a strong increase in resistance (MIC > 8 mg/L). One N. gonorrhoeae isolate was found to carry a defective tetM gene with an AG deletion at position 1239-1240, а new stop codon was introduced that caused a defect in TetM protein synthesis and decrease in the tetracycline resistance. Phylogenetic trees constructed using N. gonorrhoeae NG-MAST and tetM loci were compared. Complex relationship was observed between the N. gonorrhoeae sequence type and the tetM plasmid type. Partial recovery of N. gonorrhoeae tetracycline susceptibility was observed relative to the proportion of isolates with resistance detected ten years ago (75%). However, the current levels of tetracycline resistance still preclude the renewed use of these drugs for gonococcal infection therapy.
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Gryadunov DA, Shaskolskiy BL, Nasedkina TV, Rubina AY, Zasedatelev AS. The EIMB Hydrogel Microarray Technology: Thirty Years Later. Acta Naturae 2018; 10:4-18. [PMID: 30713758 PMCID: PMC6351029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Biological microarrays (biochips) are analytical tools that can be used to implement complex integrative genomic and proteomic approaches to the solution of problems of personalized medicine (e.g., patient examination in order to reveal the disease long before the manifestation of clinical symptoms, assess the severity of pathological or infectious processes, and choose a rational treatment). The efficiency of biochips is predicated on their ability to perform multiple parallel specific reactions and to allow one to study the interactions of biopolymer molecules, such as DNA, proteins, glycans, etc. One of the pioneers of microarray technology was the Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences (EIMB), with its suggestion to immobilize molecular probes in the three-dimensional structure of a hydrophilic gel. Since the first experiments on sequencing by hybridization on oligonucleotide microarrays conducted some 30 years ago, the hydrogel microarrays designed at the EIMB have come a long and successful way from basic research to clinical laboratory diagnostics. This review discusses the key aspects of hydrogel microarray technology and a number of state-ofthe-art approaches for a multiplex analysis of DNA and the protein biomarkers of socially significant diseases, including the molecular genetic, immunological, and epidemiological aspects of pathogenesis.
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Affiliation(s)
- D. A. Gryadunov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova Str., 32, Moscow, 119991, Russia
| | - B. L. Shaskolskiy
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova Str., 32, Moscow, 119991, Russia
| | - T. V. Nasedkina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova Str., 32, Moscow, 119991, Russia
| | - A. Yu. Rubina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova Str., 32, Moscow, 119991, Russia
| | - A. S. Zasedatelev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova Str., 32, Moscow, 119991, Russia
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Saeb ATM, Al-Rubeaan KA, Abouelhoda M, Selvaraju M, Tayeb HT. Genome sequencing and analysis of the first spontaneous Nanosilver resistant bacterium Proteus mirabilis strain SCDR1. Antimicrob Resist Infect Control 2017; 6:119. [PMID: 29204271 PMCID: PMC5701452 DOI: 10.1186/s13756-017-0277-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 11/09/2017] [Indexed: 11/10/2022] Open
Abstract
Background P. mirabilis is a common uropathogenic bacterium that can cause major complications in patients with long-standing indwelling catheters or patients with urinary tract anomalies. In addition, P. mirabilis is a common cause of chronic osteomyelitis in Diabetic foot ulcer (DFU) patients. We isolated P. mirabilis SCDR1 from a Diabetic ulcer patient. We examined P. mirabilis SCDR1 levels of resistance against Nanosilver colloids, the commercial Nanosilver and silver containing bandages and commonly used antibiotics. We utilized next generation sequencing techniques (NGS), bioinformatics, phylogenetic analysis and pathogenomics in the characterization of the infectious pathogen. Results P. mirabilis SCDR1 was the first Nanosilver resistant isolate collected from a diabetic patient polyclonal infection. P. mirabilis SCDR1 showed high levels of resistance against Nanosilver colloids, Nanosilver chitosan composite and the commercially available Nanosilver and silver bandages. The P. mirabilis -SCDR1 genome size is 3,815,621 bp. with G + C content of 38.44%. P. mirabilis-SCDR1 genome contains a total of 3533 genes, 3414 coding DNA sequence genes, 11, 10, 18 rRNAs (5S, 16S, and 23S), and 76 tRNAs. Our isolate contains all the required pathogenicity and virulence factors to establish a successful infection. P. mirabilis SCDR1 isolate is a potential virulent pathogen that despite its original isolation site, the wound, can establish kidney infection and its associated complications. P. mirabilis SCDR1 contains several mechanisms for antibiotics and metals resistance, including, biofilm formation, swarming mobility, efflux systems, and enzymatic detoxification. Conclusion P. mirabilis SCDR1 is the first reported spontaneous Nanosilver resistant bacterial strain. P. mirabilis SCDR1 possesses several mechanisms that may lead to the observed Nanosilver resistance. Electronic supplementary material The online version of this article (10.1186/s13756-017-0277-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Amr T M Saeb
- Genetics and Biotechnology Department, Strategic Center for Diabetes Research, College of medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Khalid A Al-Rubeaan
- Genetics and Biotechnology Department, Strategic Center for Diabetes Research, College of medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Mohamed Abouelhoda
- Genetics Department, King Faisal Specialist Hospital and Research Center, Riyadh, Kingdom of Saudi Arabia.,Saudi Human Genome Project, King Abdulaziz City for Science and Technology (KACST), Riyadh, Kingdom of Saudi Arabia
| | - Manojkumar Selvaraju
- Saudi Human Genome Project, King Abdulaziz City for Science and Technology (KACST), Riyadh, Kingdom of Saudi Arabia.,Integrated Gulf Biosystems, Riyadh, Kingdom of Saudi Arabia
| | - Hamsa T Tayeb
- Genetics Department, King Faisal Specialist Hospital and Research Center, Riyadh, Kingdom of Saudi Arabia.,Saudi Human Genome Project, King Abdulaziz City for Science and Technology (KACST), Riyadh, Kingdom of Saudi Arabia
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24
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Leinsoo AT, Shaskol'skii BL, Dement'eva EI, Gryadunov DA, Kubanov AA, Chestkov AV, Obraztsova OA, Shpilevaya MV, Deryabin DG. Oligonucleotide Microchip for the Identification of Infectious Agents of Reproductive System with Simultaneous Analysis of Determinants of Resistance to Antimicrobial Substances. Bull Exp Biol Med 2017; 164:54-60. [PMID: 29124540 DOI: 10.1007/s10517-017-3925-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Indexed: 12/21/2022]
Abstract
We developed a multiplexed DNA microarray-based assay allowing identification of 12 causative agents of reproductive tract infections with the simultaneous detection of 47 genetic determinants of resistance to antimicrobial substances. The microarray was tested on 93 isolates of Neisseria gonorrhoeae, 32 isolates of Treponema pallidum and 29 samples of Ureaplasma spp./Mycoplasma spp. The N. gonorrhoeae isolates had multiple mutations in the penA, ponA, rpsJ, gyrA, parC, and mtrR genes; their prognostic value significantly increased when combinations of mutations were detected. In the analyzed T. pallidum isolates, single A2058G substitution in the 23S rRNA gene responsible for macrolide resistance was found. DNA sequences of Ureaplasma spp./Mycoplasma spp. were determined as wild type, which was not fully consistent with the results of analysis of their antimicrobial susceptibility.
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Affiliation(s)
- A T Leinsoo
- V. A. Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - B L Shaskol'skii
- V. A. Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.
| | - E I Dement'eva
- V. A. Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - D A Gryadunov
- V. A. Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - A A Kubanov
- State Research Center of Dermatovenerology and Cosmetology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - A V Chestkov
- State Research Center of Dermatovenerology and Cosmetology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - O A Obraztsova
- State Research Center of Dermatovenerology and Cosmetology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - M V Shpilevaya
- State Research Center of Dermatovenerology and Cosmetology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - D G Deryabin
- State Research Center of Dermatovenerology and Cosmetology, Ministry of Health of the Russian Federation, Moscow, Russia
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Abrams AJ, Trees DL. Genomic sequencing of Neisseria gonorrhoeae to respond to the urgent threat of antimicrobial-resistant gonorrhea. Pathog Dis 2017; 75:3106325. [PMID: 28387837 PMCID: PMC6956991 DOI: 10.1093/femspd/ftx041] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 04/04/2017] [Indexed: 01/02/2023] Open
Abstract
The development of resistance of Neisseria gonorrhoeae to available first-line antibiotics, including penicillins, tetracyclines, fluoroquinolones and cephalosporins, has led to the circulation of multidrug-resistant gonorrhea at a global scale. Advancements in high-throughput whole-genome sequencing (WGS) provide useful tools that can be used to enhance gonococcal detection, treatment and management capabilities, which will ultimately aid in the control of antimicrobial resistant gonorrhea worldwide. In this minireview, we discuss the application of WGS of N. gonorrhoeae to strain typing, phylogenomic, molecular surveillance and transmission studies. We also examine the application of WGS analyses to the public health sector as well as the potential usage of WGS-based transcriptomic and epigenetic methods to identify novel gonococcal resistance mechanisms.
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Affiliation(s)
- A. Jeanine Abrams
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, US Department of Health and Human Services, Atlanta, GA 30333, USA
| | - David L. Trees
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, US Department of Health and Human Services, Atlanta, GA 30333, USA
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