All Stories

  1. Novel Synthetic Polymyxin Variants Inspired by Newly Uncovered Natural Sequences Explored as Potential Antibiotics

    Article • September 2026, openRxiv

    Dr. József Sóki

  2. Overcoming Multidrug Resistance by Bacterial Efflux Pump Inhibitors in Clinical Escherichia coli Strains

    Article • Antibiotics, March 2026, MDPI AG

    Dr. József Sóki

  3. Insight into the recent situation of metronidazole resistance and nim gene positivity in Bacteroides fragilis group isolates from Germany, Hungary, Italy and Slovenia

    Article • Anaerobe, December 2025, Elsevier

    Dr. József Sóki

  4. RECENT DEVELOPMENTS IN THE EXAMINATION OF THE BIOLOGY AND ANTIBIOTIC RESISTANCE MECHANISMS OF ANAEROBIC PATHOGENS

    Article • Eurasian Journal of Applied Biotechnology, October 2025, National Center for Biotechnology

    Dr. József Sóki

  5. Detection of the antibiotic resistance genes content of intestinal Bacteroides, Parabacteroides and Phocaeicola isolates from healthy and carbapenem-treated patients from European countries

    Article • BMC Microbiology, June 2024, Springer Science + Business Media

    Dr. József Sóki

  6. Novel and rare β-lactamase genes of Bacteroides fragilis group species: Detection of the genes and characterization of their genetic backgrounds

    Article • Anaerobe, April 2024, Elsevier

    Dr. József Sóki

  7. Proteomics-Based RT-qPCR and Functional Analysis of 18 Genes in Metronidazole Resistance of Bacteroides fragilis

    Article • Antibiotics, February 2024, MDPI AG

    Dr. József Sóki

  8. Proteomics-Based RT-qPCR and Functional Analysis of 18 Genes in Metronidazole Resistance of Bacteroides fragilis

    Article • January 2024, MDPI AG

    Dr. József Sóki

  9. The effects of identical nim gene-insertion sequence combinations on the expression of the nim genes and metronidazole resistance in Bacteroides fragilis strains

    Article • Anaerobe, June 2023, Elsevier

    Dr. József Sóki

  10. Corynebacterium striatum—Got Worse by a Pandemic?

    Article • Pathogens, June 2022, MDPI AG

    Dr. József Sóki

  11. Phenotypic and Molecular Characterization of Carbapenem-Heteroresistant Bacteroides fragilis Strains

    Article • Antibiotics, April 2022, MDPI AG

    Dr. József Sóki

  12. A comparison of the antimicrobial resistance of fecal Bacteroides isolates and assessment of the composition of the intestinal microbiotas of carbapenem-treated and non-treated persons from Belgium and Hungary

    Article • Anaerobe, February 2022, Elsevier

    Dr. József Sóki

  13. Characterization of the components of the thioredoxin system in Bacteroides fragilis and evaluation of its activity during oxidative stress

    Article • Anaerobe, February 2022, Elsevier

    Dr. József Sóki

  14. Correlation between antibiotic resistance and clinical outcome of anaerobic infections; mini-review

    Article • Anaerobe, December 2021, Elsevier

    Dr. József Sóki

  15. An update on ampicillin resistance and β-lactamase genes of Bacteroides spp.

    Article • Journal of Medical Microbiology, August 2021, Society for General Microbiology

    Dr. József Sóki

  16. Molecular characterization of metronidazole resistant Bacteroides strains from Kuwait

    Article • Anaerobe, June 2021, Elsevier

    Dr. József Sóki

  17. To resist and persist: Important factors in the pathogenesis of Bacteroides fragilis

    Article • Microbial Pathogenesis, December 2020, Elsevier

    Dr. József Sóki

  18. A Europe-wide assessment of antibiotic resistance rates in Bacteroides and Parabacteroides isolates from intestinal microbiota of healthy subjects

    Article • Anaerobe, April 2020, Elsevier

    Dr. József Sóki

  19. Prevalence and antimicrobial susceptibility of enterotoxigenic extra-intestinal Bacteroides fragilis among 13-year collection of isolates in Kuwait

    Article • BMC Microbiology, January 2020, Springer Science + Business Media

    Dr. József Sóki

  20. High prevalence of division II (cfiA positive) isolates among blood stream Bacteroides fragilis in Slovenia as determined by MALDI-TOF MS

    Article • Anaerobe, August 2019, Elsevier

    Dr. József Sóki

  21. Bacteroides fragilis: A whole MALDI-based workflow from identification to confirmation of carbapenemase production for routine laboratories

    Article • Anaerobe, December 2018, Elsevier

    Dr. József Sóki

  22. Chicken or the Egg: Microbial Alterations in Biopsy Samples of Patients with Oral Potentially Malignant Disorders

    Article • Pathology & Oncology Research, July 2018, Springer Science + Business Media

    Dr. József Sóki

  23. MALDI-TOF MS versus 16S rRNA sequencing: Minor discrepancy between tools in identification of Bacteroides isolates

    Article • Acta Microbiologica et Immunologica Hungarica, June 2018, Akademiai Kiado

    Dr. József Sóki

  24. Molecular characterisation of multidrug-resistant Bacteroides isolates from Hungarian clinical samples

    Article • Journal of Global Antimicrobial Resistance, June 2018, Elsevier

    Dr. József Sóki

  25. A carbapenem-resistant Bacteroides fragilis from Croatia

    Article • Acta Microbiologica et Immunologica Hungarica, April 2018, Akademiai Kiado

    Dr. József Sóki

  26. Antibiotic resistance values of clinical Bacteroides isolates in Hungary in 2015-16

    Article • Infectious Diseases, January 2018, Taylor & Francis

    Dr. József Sóki

  27. Detection of enterotoxin and protease genes among Hungarian clinical Bacteroides fragilis isolates

    Article • Anaerobe, December 2017, Elsevier

    Dr. József Sóki

  28. Lactate dehydrogenase activity in Bacteroides fragilis group strains with induced resistance to metronidazole

    Article • Journal of Global Antimicrobial Resistance, June 2016, Elsevier

    Dr. József Sóki

  29. Emergence and evolution of an international cluster of MDRBacteroides fragilisisolates

    Article • Journal of Antimicrobial Chemotherapy, May 2016, Oxford University Press (OUP)

    Dr. József Sóki

  30. Identification of antimicrobial resistance genes in multidrug-resistant clinical Bacteroides fragilis isolates by whole genome shotgun sequencing

    Article • Anaerobe, February 2015, Elsevier

    Dr Ulrik S. Justesen, Thomas Sydenham, Dr. József Sóki

  31. Analysis of Romanian Bacteroides isolates for antibiotic resistance levels and the corresponding antibiotic resistance genes

    Article • Anaerobe, February 2015, Elsevier

    Dr. József Sóki

  32. First Hungarian case of an infection caused by multidrug-resistant Bacteroides fragilis strain

    Article • Anaerobe, February 2015, Elsevier

    Dr. József Sóki

  33. Investigation of the MICs of fidaxomicin and other antibiotics against Hungarian Clostridium difficile isolates

    Article • Anaerobe, February 2015, Elsevier

    Dr. József Sóki

  34. Use of MALDI-TOF/MS for routine detection of cfiA gene-positive Bacteroides fragilis strains

    Article • International Journal of Antimicrobial Agents, November 2014, Elsevier

    Dr. József Sóki

  35. Instant screening and verification of carbapenemase activity in Bacteroides fragilis in positive blood culture, using matrix-assisted laser desorption ionization–time of flight mass spectrometry

    Article • Journal of Medical Microbiology, August 2014, Society for General Microbiology

    Dr. József Sóki

  36. Detection of carbapenemase activities of Bacteroides fragilis strains with matrix-assisted laser desorption ionization – Time of flight mass spectrometry (MALDI-TOF MS)

    Article • Anaerobe, April 2014, Elsevier

    Dr. József Sóki

  37. A study on Nim expression in Bacteroides fragilis

    Article • Microbiology, March 2014, Society for General Microbiology

    Dr. József Sóki

  38. Occurrence and analysis of rare cfiA–bft doubly positive Bacteroides fragilis strains

    Article • Anaerobe, October 2013, Elsevier

    Dr. József Sóki

  39. The prevalence of antibiotic resistance genes in Bacteroides fragilis group strains isolated in different European countries

    Article • Anaerobe, June 2013, Elsevier

    Dr. József Sóki

  40. Molecular analysis of the carbapenem and metronidazole resistance mechanisms of Bacteroides strains reported in a Europe-wide antibiotic resistance survey

    Article • International Journal of Antimicrobial Agents, February 2013, Elsevier

    Dr. József Sóki

  41. Extended role for insertion sequence elements in the antibiotic resistance ofBacteroides

    Article • World Journal of Clinical Infectious Diseases, January 2013, Baishideng Publishing Group Co., Limited (formerly WJG Press)

    Dr. József Sóki

  42. Multidrug-resistant Bacteroides fragilis group on the rise in Europe?

    Article • Journal of Medical Microbiology, September 2012, Society for General Microbiology

    Dr Ulrik S. Justesen, Dr. József Sóki

  43. Fungaemia caused byCandida pulcherrima

    Article • Medical Mycology, July 2012, Oxford University Press (OUP)

    Dr. József Sóki

  44. Susceptibility profiles and resistance genes for carbapenems (cfiA) and metronidazole (nim) among Bacteroides species in a Turkish University Hospital

    Article • Anaerobe, February 2012, Elsevier

    Dr. József Sóki

  45. Investigation of the prevalence of tetQ, tetX and tetX1 genes in Bacteroides strains with elevated tigecycline minimum inhibitory concentrations

    Article • International Journal of Antimicrobial Agents, December 2011, Elsevier

    Dr. József Sóki

  46. Differentiation of division I (cfiA-negative) and division II (cfiA-positive) Bacteroides fragilis strains by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry

    Article • Journal of Medical Microbiology, November 2011, Society for General Microbiology

    Dr. József Sóki

  47. Molecular analysis of the effector mechanisms of cefoxitin resistance among Bacteroides strains

    Article • Journal of Antimicrobial Chemotherapy, August 2011, Oxford University Press (OUP)

    Dr. József Sóki

  48. Outbreak of septicaemic cases caused by Acinetobacter ursingii in a neonatal intensive care unit

    Article • International Journal of Medical Microbiology, June 2010, Elsevier

    Dr. József Sóki

  49. Rare extraintestinal infection caused by toxin-producing Clostridium difficile

    Article • Anaerobe, June 2010, Elsevier

    Dr. József Sóki

  50. Prevalence, nucleotide sequence and expression studies of two proteins of a 5.6kb, Class III, Bacteroides plasmid frequently found in clinical isolates from European countries

    Article • Plasmid, March 2010, Elsevier

    Dr David W Wareham, Dr. József Sóki

  51. A new insertion sequence element containing a cfiA gene in the first imipenem-resistant Bacteroides fragilis strain isolated in Italy

    Article • International Journal of Antimicrobial Agents, December 2009, Elsevier

    Dr. József Sóki

  52. Assessment of changes in the epidemiology of Clostridium difficile isolated from diarrheal patients in Hungary

    Article • Anaerobe, December 2009, Elsevier

    Dr. József Sóki

  53. Comparison of a Rapid Molecular Method, the BD GeneOhm Cdiff Assay, to the Most Frequently Used Laboratory Tests for Detection of Toxin-Producing Clostridium difficile in Diarrheal Feces

    Article • Journal of Clinical Microbiology, September 2009, ASM Journals

    Dr. József Sóki

  54. Incidence, antibiotic resistance and clonal relations of MRSA strains isolated from a Romanian university hospital

    Article • Acta Microbiologica et Immunologica Hungarica, March 2008, Akademiai Kiado

    Dr. József Sóki

  55. Coincidence of bft and cfiA genes in a multi-resistant clinical isolate of Bacteroides fragilis

    Article • Journal of Medical Microbiology, October 2007, Society for General Microbiology

    Dr. József Sóki

  56. Examination of cfiA-mediated carbapenem resistance in Bacteroides fragilis strains from a European antibiotic susceptibility survey

    Article • International Journal of Antimicrobial Agents, December 2006, Elsevier

    Dr. József Sóki

  57. The Place of Molecular Genetic Methods in the Diagnostics of Human Pathogenic Anaerobic Bacteria

    Article • Acta Microbiologica et Immunologica Hungarica, June 2006, Akademiai Kiado

    Dr. József Sóki

  58. Distribution of Clostridium difficile PCR ribotypes in regions of Hungary

    Article • Journal of Medical Microbiology, March 2006, Society for General Microbiology

    Dr. József Sóki

  59. Molecular investigation of genetic elements contributing to metronidazole resistance in Bacteroides strains

    Article • Journal of Antimicrobial Chemotherapy, December 2005, Oxford University Press (OUP)

    Dr. József Sóki

  60. Screening of isolates from faeces for carbapenem-resistant Bacteroides strains; existence of strains with novel types of resistance mechanisms

    Article • International Journal of Antimicrobial Agents, November 2004, Elsevier

    Dr. József Sóki

  61. Community-Acquired Clostridium difficile Diarrhea Caused by Binary Toxin, Toxin A, and Toxin B Gene-Positive Isolates in Hungary

    Article • Journal of Clinical Microbiology, September 2004, ASM Journals

    Dr. József Sóki

  62. Molecular characterization of imipenem-resistant, cfiA-positive Bacteroides fragilis isolates from the USA, Hungary and Kuwait

    Article • Journal of Medical Microbiology, May 2004, Society for General Microbiology

    Dr. József Sóki

  63. Prevalence and Characterization of nim Genes of Bacteroides spp. Isolated in Hungary

    Article • Anaerobe, August 2002, Elsevier

    Dr. József Sóki

  64. Isolation and characterization of an imipenem-resistant Bacteroides fragilis strain from a prostate abscess in a dog

    Article • Veterinary Microbiology, January 2002, Elsevier

    Dr. József Sóki

  65. PCR ribotyping of clinically important Clostridium difficile strains from Hungary

    Article • Journal of Medical Microbiology, December 2001, Society for General Microbiology

    Dr. József Sóki

  66. Occurrence of metronidazole and imipenem resistance among bacteroides fragilis group clinical isolates in Hungary

    Article • Acta Biologica Hungarica, May 2001, Akademiai Kiado

    Dr. József Sóki

  67. Molecular Relatedness of the Prevalent Cryptic Plasmids of Bacteroides Species Isolated in Hungary

    Article • Anaerobe, June 2000, Elsevier

    Dr. József Sóki

  68. Prevalence of the carbapenemase gene (cfiA) among clinical and normal flora isolates of Bacteroides species in Hungary

    Article • Journal of Medical Microbiology, May 2000, Society for General Microbiology

    Dr. József Sóki

  69. Characterisation of a 5.5-kb cryptic plasmid present in different isolates of Bacteroides spp. originating from Hungary

    Article • Journal of Medical Microbiology, January 1999, Society for General Microbiology

    Dr. József Sóki

  70. Overexpression and purification of enzymatically active recombinant integrase protein of rous sarcoma virus

    Article • Virus Genes, August 1992, Springer Science + Business Media

    Dr. József Sóki