Björn Herrmann

Summary

Affiliation: Uppsala University
Country: Sweden

Publications

  1. pmc Typing of lymphogranuloma venereum Chlamydia trachomatis strains
    Linus Christerson
    Uppsala University, Uppsala, Sweden
    Emerg Infect Dis 16:1777-9. 2010
  2. doi request reprint Prevalence trends of the new variant of Chlamydia trachomatis in four counties of Sweden in 2007-2011
    Björn Herrmann
    Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
    Sex Transm Dis 39:648-50. 2012
  3. ncbi request reprint [Chlamydia infections increasing in Sweden, too. Better knowledge and a national intervention program are necessary]
    Björn Herrmann
    Avdelningen för klinisk mikrobiologi, Akademiska sjukhuset, Uppsala
    Lakartidningen 103:1412-5. 2006
  4. ncbi request reprint [We need a better strategy against Chlamydia infections]
    Björn Herrmann
    Lakartidningen 103:2155; discussion 2156. 2006
  5. pmc Emergence and spread of Chlamydia trachomatis variant, Sweden
    Björn Herrmann
    Department of Clinical Microbiology, Uppsala University Hospital, Uppsala, Sweden
    Emerg Infect Dis 14:1462-5. 2008
  6. pmc Comparison of a duplex quantitative real-time PCR assay and the COBAS Amplicor CMV Monitor test for detection of cytomegalovirus
    Björn Herrmann
    Section of Virology, Department of Medical Sciences, Uppsala University, Sweden
    J Clin Microbiol 42:1909-14. 2004
  7. ncbi request reprint [New Chlamydia variation discovered in 2006. Quick transmission in Sweden, diagnostic techniques missed the mutation]
    Björn Herrmann
    sektionen för klinisk mikrobiologi, Akademiska sjukhuset, Uppsala
    Lakartidningen 104:3535-6. 2007
  8. pmc Simultaneous detection and typing of influenza viruses A and B by a nested reverse transcription-PCR: comparison to virus isolation and antigen detection by immunofluorescence and optical immunoassay (FLU OIA)
    B Herrmann
    Section of Virology, Department of Clinical Microbiology, University Hospital, S 751 85 Uppsala, Sweden
    J Clin Microbiol 39:134-8. 2001
  9. pmc Chlamydophila abortus in a Brown skua (Catharacta antarctica lonnbergi) from a subantarctic island
    B Herrmann
    Section of Virology, Department of Clinical Microbiology, University Hospital, S 751 85 Uppsala, Sweden
    Appl Environ Microbiol 66:3654-6. 2000
  10. ncbi request reprint Characterization of the rnpB gene and RNase P RNA in the order Chlamydiales
    B Herrmann
    Department of Clinical Microbiology, University Hospital, Uppsala, Sweden
    Int J Syst Evol Microbiol 50:149-58. 2000

Collaborators

Detail Information

Publications42

  1. pmc Typing of lymphogranuloma venereum Chlamydia trachomatis strains
    Linus Christerson
    Uppsala University, Uppsala, Sweden
    Emerg Infect Dis 16:1777-9. 2010
    ..Specimens from an outbreak in 2003 in Europe were monoclonal. In contrast, several strains were in the United States in the 1980s, including a variant from Europe...
  2. doi request reprint Prevalence trends of the new variant of Chlamydia trachomatis in four counties of Sweden in 2007-2011
    Björn Herrmann
    Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
    Sex Transm Dis 39:648-50. 2012
    ..Future studies are needed to see if nvCT will decline further...
  3. ncbi request reprint [Chlamydia infections increasing in Sweden, too. Better knowledge and a national intervention program are necessary]
    Björn Herrmann
    Avdelningen för klinisk mikrobiologi, Akademiska sjukhuset, Uppsala
    Lakartidningen 103:1412-5. 2006
  4. ncbi request reprint [We need a better strategy against Chlamydia infections]
    Björn Herrmann
    Lakartidningen 103:2155; discussion 2156. 2006
  5. pmc Emergence and spread of Chlamydia trachomatis variant, Sweden
    Björn Herrmann
    Department of Clinical Microbiology, Uppsala University Hospital, Uppsala, Sweden
    Emerg Infect Dis 14:1462-5. 2008
    ..In a nationwide study, we found that it is now prevalent across Sweden, irrespective of the detection system used. Genetic analysis by multilocus sequence typing identified a predominant variant, suggesting recent emergence...
  6. pmc Comparison of a duplex quantitative real-time PCR assay and the COBAS Amplicor CMV Monitor test for detection of cytomegalovirus
    Björn Herrmann
    Section of Virology, Department of Medical Sciences, Uppsala University, Sweden
    J Clin Microbiol 42:1909-14. 2004
    ..In conclusion, a duplex qPCR assay in a real-time format facilitates quantitative measurements and minimizes the risk of false-negative results...
  7. ncbi request reprint [New Chlamydia variation discovered in 2006. Quick transmission in Sweden, diagnostic techniques missed the mutation]
    Björn Herrmann
    sektionen för klinisk mikrobiologi, Akademiska sjukhuset, Uppsala
    Lakartidningen 104:3535-6. 2007
  8. pmc Simultaneous detection and typing of influenza viruses A and B by a nested reverse transcription-PCR: comparison to virus isolation and antigen detection by immunofluorescence and optical immunoassay (FLU OIA)
    B Herrmann
    Section of Virology, Department of Clinical Microbiology, University Hospital, S 751 85 Uppsala, Sweden
    J Clin Microbiol 39:134-8. 2001
    ..The RT-PCR provides a sensitive and specific method for detecting and typing influenza viruses A and B. The rapid OIA is useful as a complementary test, but it cannot replace established methods without further evaluation...
  9. pmc Chlamydophila abortus in a Brown skua (Catharacta antarctica lonnbergi) from a subantarctic island
    B Herrmann
    Section of Virology, Department of Clinical Microbiology, University Hospital, S 751 85 Uppsala, Sweden
    Appl Environ Microbiol 66:3654-6. 2000
    ..Phylogenetic analysis of the rnpB and omp1 genes indicated the strain to be more closely related to C. abortus than to 6BC, the type strain of Chlamydophila psittaci...
  10. ncbi request reprint Characterization of the rnpB gene and RNase P RNA in the order Chlamydiales
    B Herrmann
    Department of Clinical Microbiology, University Hospital, Uppsala, Sweden
    Int J Syst Evol Microbiol 50:149-58. 2000
    ..It was also demonstrated that the RNase P RNA derived from Chlamydia trachomatis is able to cleave a tRNA precursor in the absence of protein. These findings are discussed in relation to the structure of Chlamydia RNase P RNA...
  11. ncbi request reprint Phylogenetic relationships and species differentiation of 39 Legionella species by sequence determination of the RNase P RNA gene rnpB
    Carl Johan Rubin
    Department of Clinical Microbiology, University Hospital, SE 751 85 Uppsala, Sweden
    Int J Syst Evol Microbiol 55:2039-49. 2005
    ..It is concluded that rnpB is suitable for use in phylogenetic studies of closely related species and that it exhibits the potential to discriminate between Legionella species...
  12. pmc Identification of 43 Streptococcus species by pyrosequencing analysis of the rnpB gene
    Asa Innings
    Department of Clinical Microbiology, Uppsala University Hospital, SE 751 85 Uppsala, Sweden
    J Clin Microbiol 43:5983-91. 2005
    ..In conclusion, pyrosequencing analysis of the rnpB gene can reliably identify Streptococcus species with high resolution...
  13. pmc Characterization of ompA genotypes by sequence analysis of DNA from all detected cases of Chlamydia trachomatis infections during 1 year of contact tracing in a Swedish County
    Maria Lysén
    Section of Clinical Bacteriology, Department of Medical Sciences, University of Uppsala, Sweden
    J Clin Microbiol 42:1641-7. 2004
    ..Clinical manifestations were not associated with genotypes. Sequence variation was linked to sexual networks identified by contact tracing and improved epidemiological knowledge but was of limited benefit...
  14. ncbi request reprint Chlamydia psittaci in Swedish wetland birds: a risk to zoonotic infection?
    Maria Blomqvist
    Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, S 751 85 Uppsala, Sweden
    Avian Dis 56:737-40. 2012
    ..Considering exposure to humans it is concluded that the risk of zoonotic infection is low...
  15. doi request reprint Detection of Haemophilus influenzae in respiratory secretions from pneumonia patients by quantitative real-time polymerase chain reaction
    Guma M K Abdeldaim
    Department of Clinical Microbiology, Uppsala University Hospital, S 751 85 Uppsala, Sweden
    Diagn Microbiol Infect Dis 64:366-73. 2009
    ..influenzae in respiratory secretions. Quantification facilitates discrimination between disease-causing H. influenzae strains and commensal colonization...
  16. doi request reprint Multilocus sequence typing of urogenital Chlamydia trachomatis from patients with different degrees of clinical symptoms
    Linus Christerson
    Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
    Sex Transm Dis 38:490-4. 2011
    ..In the past, contradictory results have been obtained linking Chlamydia trachomatis serovars (ompA gene) to different clinical courses of infection...
  17. pmc Lymphogranuloma venereum prevalence in Sweden among men who have sex with men and characterization of Chlamydia trachomatis ompA genotypes
    Markus Klint
    Department of Clinical Microbiology, Uppsala University Hospital, Sweden
    J Clin Microbiol 44:4066-71. 2006
    ..No additional case of LGV was detected by retrospective analysis of the high-risk MSM population. This indicates that, thus far, LGV in Sweden is only a result of sporadic import from infected MSM clusters abroad...
  18. pmc Chlamydia trachomatis strains show specific clustering for men who have sex with men compared to heterosexual populations in Sweden, the Netherlands, and the United States
    Linus Christerson
    Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
    J Clin Microbiol 50:3548-55. 2012
    ..Our study supports the hypotheses of both tissue tropism as well as epidemiological network structures as explanations for the linkage between specific genetic variants and sexual orientation...
  19. doi request reprint Quantitative fucK gene polymerase chain reaction on sputum and nasopharyngeal secretions to detect Haemophilus influenzae pneumonia
    Guma M K Abdeldaim
    Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, S 75185, Uppsala, Sweden
    Diagn Microbiol Infect Dis 76:141-6. 2013
    ..influenzae CAP. NPA fucK PCR was positive in 3 of 54 adult controls without respiratory symptoms. In conclusion, quantitative fucK real-time PCR provides a sensitive and specific identification of H. influenzae in respiratory secretions...
  20. ncbi request reprint Phylogenetic relationships and genotyping of the genus Streptococcus by sequence determination of the RNase P RNA gene, rnpB
    Jenny Täpp
    Department of Clinical Microbiology, University Hospital, SE 751 85 Uppsala, Sweden
    Int J Syst Evol Microbiol 53:1861-71. 2003
    ..It can be concluded that the rnpB gene is suitable for phylogenetic analysis of closely related taxa and has potential as a tool for species discrimination...
  21. pmc Variation-tolerant capture and multiplex detection of nucleic acids: application to detection of microbes
    Christina Ohrmalm
    Section of Clinical Virology, Department of Medical Sciences, Uppsala University Hospital, Uppsala, Sweden
    J Clin Microbiol 50:3208-15. 2012
    ..It can be run on an ordinary PCR and a Luminex machine and is suitable for both clinical diagnoses and microbial surveillance...
  22. pmc Multiplex quantitative PCR for detection of lower respiratory tract infection and meningitis caused by Streptococcus pneumoniae, Haemophilus influenzae and Neisseria meningitidis
    Guma M K Abdeldaim
    Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
    BMC Microbiol 10:310. 2010
    ..The method was evaluated on bronchoalveolar lavage (BAL) samples from 156 adults with lower respiratory tract infection (LRTI) and 31 controls, and on 87 cerebrospinal fluid (CSF) samples from meningitis patients...
  23. pmc Mosaic structure of intragenic repetitive elements in histone H1-like protein Hc2 varies within serovars of Chlamydia trachomatis
    Markus Klint
    Department of Clinical Microbiology, Uppsala University, Uppsala, Sweden
    BMC Microbiol 10:81. 2010
    ..A more complex structure was seen in this study when sequences from 378 specimens covering the hctB gene, which encodes Hc2, were compared...
  24. pmc Differentiation of Chlamydia spp. by sequence determination and restriction endonuclease cleavage of RNase P RNA genes
    B Herrmann
    Department of Clinical Microbiology, University Hospital, Uppsala, Sweden
    J Clin Microbiol 34:1897-902. 1996
    ..This structure has not previously been found among RNase P RNAs of members of the division Bacteria...
  25. ncbi request reprint Toward a quantitative DNA-based definition of pneumococcal pneumonia: a comparison of Streptococcus pneumoniae target genes, with special reference to the Spn9802 fragment
    Guma M K Abdeldaim
    Department of Clinical Microbiology, Uppsala University Hospital, Uppsala S 751 85, Sweden
    Diagn Microbiol Infect Dis 60:143-50. 2008
    ..In conclusion, Spn9802 real-time PCR is highly sensitive and specific. The quantification it provides enables differentiation between pneumococcal pathogenicity and commensalism...
  26. ncbi request reprint Real-time PCR for pharmacodynamic studies of Chlamydia trachomatis
    Martin Storm
    Uppsala University, Department of Medical Sciences, Clinical Bacteriology, Uppsala, Sweden
    J Microbiol Methods 61:361-7. 2005
    ..The presented qRT-PCR is a suitable method for MIC determination of C. trachomatis. It has the advantage of giving quantitative measurements of chlamydial RNA levels and the method is useful in pharmacodynamic studies of C. trachomatis...
  27. doi request reprint Broadly targeted triplex real-time PCR detection of influenza A, B and C viruses based on the nucleoprotein gene and a novel "MegaBeacon" probe strategy
    Shaman Muradrasoli
    Section of Clinical Virology, Department of Medical Sciences, Uppsala University, Sweden
    J Virol Methods 163:313-22. 2010
    ..MegaBeacon probes hold promise for variable target nucleic acids...
  28. doi request reprint A novel Chlamydiaceae-like bacterium found in faecal specimens from sea birds from the Bering Sea
    Linus Christerson
    Section of Clinical Bacteriology and Section of Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden Bacterial Zoonoses Unit, French Food Safety Agency Afssa, Maisons Alfort, France Section for Zoonotic Ecology and Epidemiology, University of Kalmar, Kalmar, Sweden Department of Laboratory Medicine, Norra Alvsborg County Hospital, Trollhattan, Sweden
    Environ Microbiol Rep 2:605-10. 2010
    ..This novel bacterium appears to be closer to the Chlamydiaceae than other chlamydia-like bacteria and is most likely a novel genus within the Chlamydiaceae family...
  29. pmc Chlamydophila psittaci in Fulmars, the Faroe Islands
    Björn Herrmann
    University Hospital, Uppsala, Sweden
    Emerg Infect Dis 12:330-2. 2006
    ..Analysis of ompA showed a sequence almost identical to that of the type strain. The origin of C. psittaci outbreaks in fulmars is discussed. Despite a high level of exposure, the risk for transmission of C. psittaci to humans is low...
  30. ncbi request reprint Duplex real-time polymerase chain reaction assay for detection and quantification of herpes simplex virus type 1 and herpes simplex virus type 2 in genital and cutaneous lesions
    Finn Filén
    Section of Dermatology and Venereology, Department of Medical Sciences, University of Uppsala, Uppsala, Sweden
    Sex Transm Dis 31:331-6. 2004
    ..A sensitive and specific method for detecting herpes simplex virus type 1 (HSV-1) and herpes simplex virus type 2 (HSV-2) is important for diagnosing genital and cutaneous infections...
  31. doi request reprint PCR detection of Haemophilus influenzae from respiratory specimens
    Guma M K Abdeldaim
    Department of Clinical Microbiology, Uppsala, University Hospital, Uppsala, Sweden
    Methods Mol Biol 943:115-23. 2013
    ..Here we describe a quantitative real-time PCR assay based on the outer membrane P6 gene omp6, to detect H. influenzae and its application on respiratory tract specimens...
  32. pmc High-resolution genotyping of Chlamydia trachomatis strains by multilocus sequence analysis
    Markus Klint
    Department of Clinical Microbiology, Uppsala University Hospital, SE 751 85 Uppsala, Sweden
    J Clin Microbiol 45:1410-4. 2007
    ..To conclude, our MLST system can be used to discriminate C. trachomatis strains and can be applied to high-resolution molecular epidemiology...
  33. pmc High-resolution genotyping of Chlamydia trachomatis by use of a novel multilocus typing DNA microarray
    Linus Christerson
    Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, S 751 85 Uppsala, Sweden
    J Clin Microbiol 49:2838-43. 2011
    ..Moreover, testing can be completed within 1 working day rather than 3 or 4 days, with data analysis not requiring highly specialized personnel. The present MLT array represents a powerful alternative in C. trachomatis genotyping...
  34. ncbi request reprint Usefulness of real-time PCR for lytA, ply, and Spn9802 on plasma samples for the diagnosis of pneumococcal pneumonia
    G Abdeldaim
    Department of Clinical Microbiology, Uppsala University Hospital, Uppsala, Sweden
    Clin Microbiol Infect 16:1135-41. 2010
    ....
  35. doi request reprint Guidelines for high-resolution genotyping of Chlamydia trachomatis using multilocus sequence analysis
    Linus Christerson
    Section of Clinical Bacteriology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
    Methods Mol Biol 903:51-64. 2012
    ..It is based on five highly variable but stable target regions which are PCR amplified and DNA sequenced...
  36. pmc Multiplex real-time PCR targeting the RNase P RNA gene for detection and identification of Candida species in blood
    Asa Innings
    Department of Clinical Microbiology, Uppsala University Hospital, SE 751 85 Uppsala, Sweden
    J Clin Microbiol 45:874-80. 2007
    ..The assay was applied to 20 blood samples from nine patients and showed a sensitivity similar to that of culture...
  37. doi request reprint Multiplex and quantifiable detection of nucleic acid from pathogenic fungi using padlock probes, generic real time PCR and specific suspension array readout
    Ronnie Eriksson
    Uppsala University, Department of Medical Sciences, Sections of Clinical Virology and Clinical Bacteriology, Sweden
    J Microbiol Methods 78:195-202. 2009
    ..The method correctly detected fungi in a variety of clinical samples and offered quantitative information on fungal nucleic acid...
  38. doi request reprint Is quantitative PCR for the pneumolysin (ply) gene useful for detection of pneumococcal lower respiratory tract infection?
    G Abdeldaim
    Department of Clinical Microbiology, Uppsala University Hospital, Uppsala, Sweden
    Clin Microbiol Infect 15:565-70. 2009
    ..However, as a high cut-off resulted in low sensitivity, quantitative ply-based PCR does not appear to be clinically useful. Quantitative PCR methods for S. pneumoniae using alternative gene targets should be evaluated...
  39. pmc Epitopes of microbial and human heat shock protein 60 and their recognition in myalgic encephalomyelitis
    Amal Elfaitouri
    Section of Clinical Microbiology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
    PLoS ONE 8:e81155. 2013
    ..0001). IgM to specific cross-reactive epitopes of human and microbial HSP60 occurs in a subset of ME, compatible with infection-induced autoimmunity. ..
  40. ncbi request reprint Experiences with the new genetic variant of Chlamydia trachomatis in Orebro county, Sweden - proportion, characteristics and effective diagnostic solution in an emergent situation
    M Unemo
    Department of Clinical Microbiology, Orebro University Hospital, Orebro, Sweden
    Euro Surveill 12:E5-6. 2007
    ..LightMix 480HT seemed sensitive, specific, and enabled high throughput diagnostics. However, rare low positive samples may be false-negative. Frequent surveillance and evaluations of diagnostic methods worldwide are crucial...
  41. pmc Detection of Neisseria gonorrhoeae from air-dried genital samples by single-tube nested PCR
    B Herrmann
    Departments of Clinical Microbiology, University Hospital, Uppsala, Sweden
    J Clin Microbiol 34:2548-51. 1996
    ..This sensitive nested PCR assay, combined with air-dried storage, allows for the detection of gonococci when specimen storage and transport times are extended and freezing conditions are not available...