Søren Iversen

ORCID: 0000-0003-1574-7396
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Research Areas
  • Antimicrobial Resistance in Staphylococcus
  • Microbial Metabolism and Applications
  • Surgical site infection prevention
  • Bacterial Identification and Susceptibility Testing
  • Gut microbiota and health
  • Clostridium difficile and Clostridium perfringens research
  • Orthopedic Infections and Treatments
  • RNA modifications and cancer
  • Microbial infections and disease research
  • Hepatitis Viruses Studies and Epidemiology
  • Otolaryngology and Infectious Diseases
  • RNA and protein synthesis mechanisms
  • Microscopic Colitis
  • Allergic Rhinitis and Sensitization
  • Inflammatory Bowel Disease
  • Plant Pathogens and Fungal Diseases
  • Pediatric Hepatobiliary Diseases and Treatments
  • Dermatology and Skin Diseases
  • Congenital Anomalies and Fetal Surgery
  • Probiotics and Fermented Foods
  • Oral microbiology and periodontitis research
  • Cancer-related gene regulation
  • Fluoride Effects and Removal

Statens Serum Institut
2019-2023

University of Copenhagen
2019

Abstract Methylation of guanosine on position N7 (m7G) internal RNA positions has been found in all domains life and have implicated human disease. Here, we present m7G Mutational Profiling sequencing (m7G-MaP-seq), which allows high throughput detection modifications at nucleotide resolution. In our method, modified are converted to abasic sites by reduction with sodium borohydride, directly recorded as cDNA mutations through reverse transcription sequenced. We detect increased mutation...

10.1093/nar/gkz736 article EN cc-by Nucleic Acids Research 2019-08-16

Over the last decade, an increasing number of infections with livestock-associated methicillin-resistant Staphylococcus aureus clonal complex 398 (LA-MRSA CC398) in persons without contact to livestock has been registered Denmark. These have suggested be result repeated spillover random isolates from into community. However, other studies also found emerging sub-lineages spreading among humans. Based on genome-wide SNPs and association (GWAS), we assessed population structure genomic content...

10.1038/s41598-019-55086-x article EN cc-by Scientific Reports 2019-12-09

The skin microbiota of atopic dermatitis (AD) patients is characterized by increased Staphylococcus aureus colonization, which exacerbates disease symptoms and has been linked to reduced bacterial diversity. Skin communities in AD have mostly described at family genus levels, while species-level characterization limited. In this study, we investigated the role bacteria belonging using targeted sequencing tuf gene with genus-specific primers. We compared staphylococcal on lesional...

10.3390/microorganisms9020432 article EN cc-by Microorganisms 2021-02-19

The aim was to study alterations of bacterial communities in patients undergoing hip or knee arthroplasty assess the impact chlorhexidine gluconate soap decolonisation and systemic antibiotic prophylaxis. A Swedish multicentre, prospective collection samples obtained from elective (n = 83) by swabbing anterior nares, skin sites groin site planned surgery, before after analysed 16S rRNA (V3-V4) gene sequencing a complementary targeted tuf approach comprehensively characterise staphylococcal...

10.3390/microorganisms8121977 article EN cc-by Microorganisms 2020-12-12

Background/Aim Microbial dysbiosis in inflammatory bowel disease (IBD) is poorly understood. Faecal samples collected for the purposes of microbiota analysis are not yet a part everyday clinical practice. To explore associations between faecal and activity measures adult IBD patients, purpose possibly integrating an existing eHealth application disease-monitoring.Methods We from patients one year while they were home-monitoring activity, using calprotectin (FC) Simple Clinical Colitis...

10.1080/00365521.2020.1829031 article EN Scandinavian Journal of Gastroenterology 2020-10-12

Abstract Background Although generally known as a human commensal, Staphylococcus epidermidis is also an opportunistic pathogen that can cause nosocomial infections related to foreign body materials and immunocompromized patients. Infections are often caused by multidrug-resistant (MDR) lineages difficult costly treat, have major adverse impact on patients’ quality of life. Heterogeneity common phenomenon in both carriage infection, but present methodology for detection this laborious or...

10.1186/s12866-020-02041-w article EN cc-by BMC Microbiology 2020-11-26

Dolosigranulum pigrum-a lactic acid bacterium that is increasingly recognized as an important member of the nasal microbiome. Currently, there are limited rapid and low-cost options for confirming D. pigrum isolates detecting in clinical specimens. Here we describe design validation a novel PCR assay targeting both sensitive specific. We designed murJ, single-copy core species gene identified through analysis 21 whole genome sequences. The achieved 100% sensitivity specificity against...

10.1038/s41598-023-32709-y article EN cc-by Scientific Reports 2023-04-14

The aim was to study alterations of bacterial communities in patients undergoing hip or knee arthroplasty assess the impact chlorhexidine gluconate soap decolonisation and systemic antibiotic prophylaxis. A Swedish multicentre, prospective collection samples obtained from elective (n=83) by swabbing anterior nares, skin sites groin site planned surgery, before after analysed 16S rRNA (V3-V4) gene sequencing a complementary targeted tuf approach comprehensively characterise staphylococcal...

10.20944/preprints202011.0640.v1 preprint EN 2020-11-25

10.3109/17453673708988882 article EN Acta Orthopaedica Scandinavica 1937-01-01

Abstract Background Although generally known as a human commensal, Staphylococcus epidermidis is also an opportunistic pathogen that can cause nosocomial infections related to foreign body materials and immunicompromized patients. Infections are often caused by multidrug resistant (MDR) lineages difficult costly treat, have major adverse impact on patients’ quality of life. Heterogeneity common phenomenon in both carriage infection, but present methodology for detection this laborious or...

10.21203/rs.3.rs-66877/v1 preprint EN cc-by Research Square (Research Square) 2020-08-31
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