Search Results - "Petersen, F C"

High-resolution profiles of the Streptococcus mitis CSP signaling pathway reveal core and strain-specific regulated genes by Salvadori, G, Junges, R, Åmdal, H A, Chen, T, Morrison, D A, Petersen, F C

“…In streptococci of the mitis group, competence for natural transformation is a transient physiological state triggered by competence stimulating peptides…”
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Exploring ex vivo biofilm dynamics: consequences of low ampicillin concentrations on the human oral microbiome by Brar, N. K., Dhariwal, A., Åmdal, H. A., Junges, R., Salvadori, G., Baker, J. L., Edlund, A., Petersen, F. C.

“…Prolonged exposure to antibiotics at low concentration can promote processes associated with bacterial biofilm formation, virulence and antibiotic resistance…”
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Inflammation (or synovitis)-driven osteoarthritis: an opportunity for personalizing prognosis and treatment? by Siebuhr, AS, Bay-Jensen, AC, Jordan, JM, Kjelgaard-Petersen, CF, Christiansen, C, Abramson, SB, Attur, M, Berenbaum, F, Kraus, V, Karsdal, MA

“…The disabling and painful disease osteoarthritis (OA) is the most common form of arthritis. Strong evidence suggests that a subpopulation of OA patients has a…”
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Role of hyaluronidase in Streptococcus intermedius biofilm by Pecharki, D, Petersen, F. C, Scheie, A. Aa

“…Department of Oral Biology, Faculty of Dentistry, University of Oslo, N0316 Oslo, Norway Correspondence D. Pecharki ddasilva{at}odont.uio.no Streptococcus…”
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Comprehensive Transcriptome Profiles of Streptococcus mutans UA159 Map Core Streptococcal Competence Genes by Khan, R, Rukke, H V, Høvik, H, Åmdal, H A, Chen, T, Morrison, D A, Petersen, F C

“…In , an oral colonizer associated with dental caries, development of competence for natural genetic transformation is triggered by either of two types of…”
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Aggrecanase degradation of type III collagen is associated with clinical knee pain by Bay-Jensen, A.C., Kjelgaard-Petersen, C.F., Petersen, K.K., Arendt-Nielsen, L., Quasnichka, H.L., Mobasheri, A., Karsdal, M.A., Leeming, D.J.

“…There is a lack of biochemical markers for non-invasive and objective assessment of symptomatic osteoarthritis (OA). Aggrecanase activity has been shown to be…”
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Capsule expression in Streptococcus mitis modulates interaction with oral keratinocytes and alters susceptibility to human antimicrobial peptides by Rukke, H.V., Engen, S.A., Schenck, K., Petersen, F.C.

“…Summary Streptococcus mitis is a colonizer of the oral cavity and the nasopharynx, and is closely related to Streptococcus pneumoniae. Both species occur in…”
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Osteoarthritis year in review 2015: soluble biomarkers and the BIPED criteria by Bay-Jensen, A.C, Reker, D, Kjelgaard-Petersen, C.F, Mobasheri, A, Karsdal, M.A, Ladel, C, Henrotin, Y, Thudium, C.S

“…Summary Objective To review and summarize biomarker data published from April 2014 to May 2015 to provide insight to the ongoing work in the field of…”
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Characterization of a Signaling System in Streptococcus mitis That Mediates Interspecies Communication with Streptococcus pneumoniae by Junges, R, Sturød, K, Salvadori, G, Åmdal, H A, Chen, T, Petersen, F C

“…is found in the oral cavity and nasopharynx and forms a significant portion of the human microbiome. In this study, analyses indicated the presence of an Rgg…”
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Inflammation and joint destruction may be linked to the generation of cartilage metabolites of ADAMTS-5 through activation of toll-like receptors by Sharma, N., Drobinski, P., Kayed, A., Chen, Z., Kjelgaard-Petersen, C.F., Gantzel, T., Karsdal, M.A., Michaelis, M., Ladel, C., Bay-Jensen, A.C., Lindemann, S., Thudium, C.S.

“…Links between pain and joint degradation are poorly understood. We investigated the role of activation of Toll-like receptors (TLR) by cartilage metabolites in…”
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Functional Variation of the Antigen I/II Surface Protein in Streptococcus mutans and Streptococcus intermedius by PETERSEN, F. C, ASSEV, S, VAN DER MEI, H. C, BUSSCHER, H. J, SCHEIE, A. A

“…Classifications Services IAI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Antibiotics alter the window of competence for natural transformation in streptococci by Sturød, K., Salvadori, G., Junges, R., Petersen, F.C.

“…Summary Streptococcus pneumoniae transformation occurs within a short competence window, during which the alternative sigma factor X (SigX) is activated to…”
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Expression and functional properties of the Streptococcus intermedius surface protein antigen I/II by PETERSEN, F. C, PASCO, S, OGIER, J, KLEIN, J. P, ASSEV, S, SCHEIE, A. A

“…Streptococcus intermedius is associated with deep-seated purulent infections. In this study, we investigated expression and functional activities of antigen…”
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Genome editing by natural genetic transformation in Streptococcus mutans by Morrison, D.A., Khan, R., Junges, R., Åmdal, H.A., Petersen, F.C.

“…Classical mutagenesis strategies using selective markers linked to designed mutations are powerful and widely applicable tools for targeted mutagenesis via…”
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Complete Genome Sequence of Streptococcus pneumoniae Serotype 19F Strain EF3030 by Junges, R, Maienschein-Cline, M, Morrison, D A, Petersen, F C

“…We report the complete genome sequence of EF3030, a serotype 19F isolate that colonizes the nasopharynx of mice while being mostly noninvasive. Such attributes…”
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Identification of a functional capsule locus in Streptococcus mitis by Rukke, H.V., Hegna, I.K., Petersen, F.C.

“…Summary The polysaccharide capsule of Streptococcus pneumoniae is a hallmark for virulence in humans. In its close relative Streptococcus mitis, a common human…”
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LuxS and expression of virulence factors in Streptococcus intermedius by Pecharki, D., Petersen, F. C., Scheie, A. Aa

“…Background/aims:  Autoinducer‐2 (AI‐2) is used by several bacteria in quorum‐sensing signaling and is a product of LuxS. The aim was to investigate the effect…”
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Synthetic bromated furanone inhibits autoinducer-2-mediated communication and biofilm formation in oral streptococci by Lönn-Stensrud, J., Petersen, F. C., Benneche, T., Scheie, A. Aamdal

“…Introduction:  Autoinducer‐2 (AI‐2) is a widespread communication‐signal molecule that allows bacteria to sense and react to environmental factors. In some…”
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Combined effects of NaF and SLS on acid- and polysaccharide-formation of biofilm and planktonic cells by Petersen, Fernanda C., Assev, Synnøve, Scheie, Anne Aa

“…Bacteria grow preferentially attached to surfaces embedded in an exopolysaccharide matrix to form biofilms. In this mode of growth, bacteria often show reduced…”
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Biofilm formation and autoinducer-2 signaling in Streptococcus intermedius: role of thermal and pH factors by Ahmed, N. A. A. M., Petersen, F. C., Scheie, A. Aa

“…Background/aim:  Bacteria sense their population density using autoinducer (AI) signaling systems. The AI‐2 signal is thought to mediate communication among…”
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