Stephan Alfons Frye
- Research scientist; Dr. rer. nat.
- +47 23079019
Stephan works with transformation in Neisseriaceae.
Academic interests:
- Transformation
- Neisseriaceae
Publications 2024
Molecular epidemiology of Streptococcus pneumoniae isolates causing invasive and noninvasive infection in Ethiopia
Sci Rep, 14 (1), 21409
DOI 10.1038/s41598-024-72762-9, PubMed 39271789
Publications 2022
Ultrafast and Cost-Effective Pathogen Identification and Resistance Gene Detection in a Clinical Setting Using Nanopore Flongle Sequencing
Front Microbiol, 13, 822402
DOI 10.3389/fmicb.2022.822402, PubMed 35369431
Case report: A prosthetic valve endocarditis caused by Legionella bozemanae in an immunocompetent patient
Front Med (Lausanne), 9, 1055465
DOI 10.3389/fmed.2022.1055465, PubMed 36405607
Publications 2021
AMR-Diag: Neural network based genotype-to-phenotype prediction of resistance towards β-lactams in Escherichia coli and Klebsiella pneumoniae
Comput Struct Biotechnol J, 19, 1896-1906
DOI 10.1016/j.csbj.2021.03.027, PubMed 33897984
Publications 2020
Rapid identification of pathogens, antibiotic resistance genes and plasmids in blood cultures by nanopore sequencing
Sci Rep, 10 (1), 7622
DOI 10.1038/s41598-020-64616-x, PubMed 32376847
Publications 2018
A genomic view of experimental intraspecies and interspecies transformation of a rifampicin-resistance allele into Neisseria meningitidis
Microb Genom, 4 (11)
DOI 10.1099/mgen.0.000222, PubMed 30251949
Publications 2017
The helicase DinG responds to stress due to DNA double strand breaks
PLoS One, 12 (11), e0187900
DOI 10.1371/journal.pone.0187900, PubMed 29121674
DprA from Neisseria meningitidis: properties and role in natural competence for transformation
Microbiology (Reading), 163 (7), 1016-1029
DOI 10.1099/mic.0.000489, PubMed 28696187
Publications 2016
Characterization of the Neisseria meningitidis Helicase RecG
PLoS One, 11 (10), e0164588
DOI 10.1371/journal.pone.0164588, PubMed 27736945
The Mycobacterium tuberculosis transcriptional landscape under genotoxic stress
BMC Genomics, 17 (1), 791
DOI 10.1186/s12864-016-3132-1, PubMed 27724857
Publications 2015
The Inner Membrane Protein PilG Interacts with DNA and the Secretin PilQ in Transformation
PLoS One, 10 (8), e0134954
DOI 10.1371/journal.pone.0134954, PubMed 26248334
Reduced expression of aquaporins in human intestinal mucosa in early stage inflammatory bowel disease
Clin Exp Gastroenterol, 8, 49-67
DOI 10.2147/CEG.S70119, PubMed 25624769
Publications 2013
Dialects of the DNA uptake sequence in Neisseriaceae
PLoS Genet, 9 (4), e1003458
DOI 10.1371/journal.pgen.1003458, PubMed 23637627
Publications 2012
Restriction and sequence alterations affect DNA uptake sequence-dependent transformation in Neisseria meningitidis
PLoS One, 7 (7), e39742
DOI 10.1371/journal.pone.0039742, PubMed 22768309
Gut bacterial profile in patients newly diagnosed with treatment-naïve Crohn's disease
Clin Exp Gastroenterol, 5, 173-86
DOI 10.2147/CEG.S33858, PubMed 23049264
Publications 2011
Structure-function relationships of the competence lipoprotein ComL and SSB in meningococcal transformation
Microbiology (Reading), 157 (Pt 5), 1329-1342
DOI 10.1099/mic.0.046896-0, PubMed 21330432
DNA base excision repair gene polymorphisms modulate human cognitive performance and decline during normal life span
Mech Ageing Dev, 132 (8-9), 449-58
DOI 10.1016/j.mad.2011.08.002, PubMed 21884718
Publications 2009
Genome dynamics in major bacterial pathogens
FEMS Microbiol Rev, 33 (3), 453-70
DOI 10.1111/j.1574-6976.2009.00173.x, PubMed 19396949
Molecular diagnostics in tuberculosis: basis and implications for therapy
Mol Diagn Ther, 13 (3), 137-51
DOI 10.1007/BF03256322, PubMed 19650669
Identification of neisserial DNA binding components
Microbiology (Reading), 155 (Pt 3), 852-862
DOI 10.1099/mic.0.022640-0, PubMed 19246756
Characterization of the meningococcal DNA glycosylase Fpg involved in base excision repair
BMC Microbiol, 9, 7
DOI 10.1186/1471-2180-9-7, PubMed 19134198
Publications 2007
The outer membrane secretin PilQ from Neisseria meningitidis binds DNA
Microbiology (Reading), 153 (Pt 5), 1593-1603
DOI 10.1099/mic.0.2006/004200-0, PubMed 17464074
Interactions between the lipoprotein PilP and the secretin PilQ in Neisseria meningitidis
J Bacteriol, 189 (15), 5716-27
DOI 10.1128/JB.00060-07, PubMed 17526700
Publications 2006
New functional identity for the DNA uptake sequence in transformation and its presence in transcriptional terminators
J Bacteriol, 189 (5), 2077-85
DOI 10.1128/JB.01408-06, PubMed 17194793
Topology of the outer-membrane secretin PilQ from Neisseria meningitidis
Microbiology (Reading), 152 (Pt 12), 3751-3764
DOI 10.1099/mic.0.2006/000315-0, PubMed 17159226
Substitutions in the N-terminal alpha helical spine of Neisseria gonorrhoeae pilin affect Type IV pilus assembly, dynamics and associated functions
Mol Microbiol, 63 (1), 69-85
DOI 10.1111/j.1365-2958.2006.05482.x, PubMed 17140412
Publications 2005
Interaction with type IV pili induces structural changes in the bacterial outer membrane secretin PilQ
J Biol Chem, 280 (19), 18923-30
DOI 10.1074/jbc.M411603200, PubMed 15753075
Publications 2004
Structure of the Neisseria meningitidis outer membrane PilQ secretin complex at 12 A resolution
J Biol Chem, 279 (38), 39750-6
DOI 10.1074/jbc.M405971200, PubMed 15254043
Publications 2002
Competence for natural transformation in Neisseria gonorrhoeae: components of DNA binding and uptake linked to type IV pilus expression
Mol Microbiol, 46 (3), 749-60
DOI 10.1046/j.1365-2958.2002.03193.x, PubMed 12410832