[HTML][HTML] A cluster of multidrug-resistant Mycobacterium tuberculosis among patients arriving in Europe from the Horn of Africa: a molecular epidemiological study

…, AT Mengshoel, V Mathys, M Haanperä… - The Lancet Infectious …, 2018 - thelancet.com
Background The risk of tuberculosis outbreaks among people fleeing hardship for refuge in
Europe is heightened. We describe the cross-border European response to an outbreak of …

[HTML][HTML] Evaluation of whole genome sequencing and software tools for drug susceptibility testing of Mycobacterium tuberculosis

J Van Beek, M Haanperä, PW Smit, S Mentula… - Clinical Microbiology …, 2019 - Elsevier
Objectives Culture-based assays are currently the reference standard for drug susceptibility
testing for Mycobacterium tuberculosis. They provide good sensitivity and specificity but are …

Antimicrobial susceptibility patterns and macrolide resistance genes of viridans group streptococci from normal flora

H Seppälä, M Haanperä, M Al-Juhaish… - Journal of …, 2003 - academic.oup.com
… Isolates with the M phenotype were the least susceptible to telithromycin, a new ketolide.
The mef(A) gene was found in the isolates with the M phenotype and the erm(B) gene in the …

Evaluation of two matrix-assisted laser desorption ionization–time of flight mass spectrometry systems for identification of viridans group streptococci

…, I Harju, K Rantakokko-Jalava, M Haanperä… - European journal of …, 2014 - Springer
In this study, the performances of two matrix-assisted laser desorption ionization–time of
flight mass spectrometry (MALDI-TOF MS) systems, MALDI Biotyper (Bruker Daltonics) and …

Improved differentiation of Streptococcus pneumoniae and other S. mitis group streptococci by MALDI Biotyper using an improved MALDI Biotyper database content …

…, K Rantakokko-Jalava, M Haanperä - Journal of clinical …, 2017 - Am Soc Microbiol
Reliable distinction of Streptococcus pneumoniae and viridans group streptococci is
important because of the different pathogenic properties of these organisms. Differentiation …

Immunity to pertussis 5 years after booster immunization during adolescence

…, J Mäkinen, A Sahlberg, M Haanperä… - Clinical infectious …, 2007 - academic.oup.com
Background .We conducted a 5-year follow-up study on the persistence of pertussis-specific
antibody and cell-mediated immunity after booster immunization of adolescents aged 11–13 …

Bordetella holmesii DNA is not detected in nasopharyngeal swabs from Finnish and Dutch patients with suspected pertussis

…, S Bruisten, S Keller, M Haanperä… - Journal of medical …, 2006 - microbiologyresearch.org
Bordetella holmesii is a Gram-negative bacterium first identified in 1995. It can cause
pertussis-like symptoms in humans. B. holmesii contains insertion sequences IS481 and IS1001, …

Identification of alpha-hemolytic streptococci by pyrosequencing the 16S rRNA gene and by use of VITEK 2

M Haanperä, J Jalava, P Huovinen… - Journal of clinical …, 2007 - Am Soc Microbiol
Alpha-hemolytic streptococci are very difficult to identify by phenotypic methods. In this study,
a pyrosequencing method for the identification of streptococcal species based on two …

Multidrug-resistant tuberculosis in Finland: treatment outcome and the role of whole-genome sequencing

V Korhonen, P Kivelä, M Haanperä, H Soini… - ERJ Open …, 2022 - Eur Respiratory Soc
Treatment of multidrug-resistant tuberculosis (MDR-TB) is a global challenge requiring long
treatment with costly drugs. We assessed treatment combinations, outcome and the utility of …

Detection and quantification of macrolide resistance mutations at positions 2058 and 2059 of the 23S rRNA gene by pyrosequencing

M Haanperä, P Huovinen… - Antimicrobial agents and …, 2005 - Am Soc Microbiol
A pyrosequencing method for detection and quantification of macrolide resistance mutations
at positions 2058 and 2059 (Escherichia coli numbering) of the 23S rRNA gene is described…