Dorte Frees
Associate Professor
- 1999
- Published
ClpP participaytes in the degradation of misfolded protein in Lactococcuss lactis
Frees, Dorte & Ingmer, Hanne, 1999, In: Molecular Microbiology. 31, 1, p. 79 - 87 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2001
- Published
Inactivation of a gene that is highly conserved in Gram-positive bacteria stimulates degradation of non-native proteins and concomitantly increases stress tolerance in Lactococcus lactis
Frees, Dorte, Varmanen, P. & Ingmer, Hanne, 2001, In: Molecular Microbiology. 41, 1, p. 93-103 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2003
- Published
Alternative roles of CIpX and CIpP in Staphylococus aureus stress toelrance and virulence.
Frees, Dorte, Saara, N. A. Q., Philip, J. H. & Ingmer, Hanne, 2003, In: Molecular Microbiology. (2003) 48 (6), p. 1565 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Heat and DNA damage induction of the LexA-like regulator HdiR from Lactococcus lactis is mediated by RecA and ClpP
Savijoki, K., Ingmer, Hanne, Frees, Dorte, Vogensen, Finn Kvist, Palva, A. & Varmanen, P., 2003, In: Molecular Microbiology. 50, 2, p. s.609-621 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Identification of proteins induced at low pH in Lactococcus lactis
Frees, Dorte, Vogensen, Finn Kvist & Ingmer, Hanne, 2003, In: International Journal of Food Microbiology. 87, 87, p. 293-300 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Stress toelrance mechanisms influencing virulence and survival of food borne pathogens
Frees, Dorte, Varmanen, P. ;., SavijokiK.;, Andersen, M. T., Brønsted, L. & Ingmer, Hanne, 2003. 1 p.Research output: Contribution to conference › Paper › Research
- 2004
- Published
Clp ATPases are required for stress tolerance, intracellular replication and biofilm formation in Staphylococcus aureus
Frees, Dorte, Chastanet, A., Quzi, S., Sørensen, K., Hill, P., Msadek, T. & Ingmer, Hanne, 2004, In: Molecular Microbiology. 54, 5, p. 1445-1462 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2005
- Published
Salmonella isolates with different behavior in adhesion to surfaces studied by DNA micro array assisted analysis
Holmstrøm, K., Olsen, K. N., Meldgaard, H., Bagge-Ravn, D., Frees, Dorte, Lauritsen, D., Gram, L. & Olsen, John Elmerdahl, 2005. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Global virulence regulation in Staphylococcus aureus: pinpointing the roles of ClpP and ClpX in the sar/agr regulatory network
Frees, Dorte, Sørensen, K. & Ingmer, Hanne, 2005, In: Infection and Immunity. 73, 12, p. 8100-8108 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Staphylococcus aureus ClpYQ plays a minor role in stress survival
Frees, Dorte, Thomsen, Line Elnif & Ingmer, Hanne, 2005, In: Archives of Microbiology. 183, 4, p. 286-291 6 p.Research output: Contribution to journal › Journal article › Research
- 2006
- Published
Identification of the ClpX Regulon in Staphylococcus aureus
Jelsbak, L., Thomsen, Line Elnif, Ingmer, Hanne, Donat, S., Ohlsen, K. & Frees, Dorte, 2006. 1 p.Research output: Contribution to conference › Poster › Research
- Published
Spx is a global effector impacting stress tolerance and biofilm formation in Staphylococcus aureus
Pamp, S. J., Frees, Dorte, Engelmann, S., Hecker, M. & Ingmer, Hanne, 2006, In: Journal of Bacteriology. 188, 13, p. 4861-4870 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
- Published
Clp ATPases and ClpP proteolytic complexes regulate vital biological processes in low GC, Gram-positive bacteria
Frees, Dorte, Savijoki, K., Varmanen, P. & Ingmer, Hanne, 2007, In: Molecular Microbiology. 63, 5, p. 1285-1295 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
SpxB regulates O-acetylation-dependent resistance of Lactococcus lactis peptidoglycan to hydrolysis
Veiga, P., Bulbarela-Sampieri, C., Furlan, S., Maisons, A., Chapot-Chartier, M., Erkelenz, M., Mervelet, P., Noirot, P., Frees, Dorte, Kuipers, O. P., Kok, J., Gruss, A., Buist, G. & Kulakauskas, S., 2007, In: Journal of Biological Chemistry. 282, 27, p. 19342-19354 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The role of ClpX in Staphylococcus aureus stress response and virulence
Rasmussen, T., Frees, Dorte & Thomsen, Line Elnif, 2007. 1 p.Research output: Contribution to conference › Poster › Research
- 2008
- Published
Investigation of correlation between gene expressions of 162 selected genes and survival and colonization abilities of Salmonella strains in the food chain
Olsen, John Elmerdahl, Gram, L., Frees, Dorte & Holmstrøm, K., 2008, The 21st International ICFMH Symposium "Evolving Microbial Food Quality and Safety": Programme and Abstract Book. p. 164 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Simple plate assay for identification of new compounds used in anti-virulence therapy of Staphylococcus aureus
Nielsen, A., Nielsen, K. F., Frees, Dorte, Larsen, T. O. & Ingmer, Hanne, 2008. 1 p.Research output: Contribution to conference › Paper › Research › peer-review
- Published
Simple plate assay for identification of new compounds used in anti-virulence therapy of Staphylococcus aureus
Nielsen, A., Nielsen, K. F., Frees, Dorte, Larsen, T. O. & Ingmer, Hanne, 2008.Research output: Contribution to conference › Poster › Research
- Published
Simple plate assay for identification of new compounds used in anti-virulence therapy of Staphylococcus aureus
Nielsen, A., Nielsen, K. F., Frees, Dorte, Larsen, T. O. & Ingmer, Hanne, 2008.Research output: Contribution to conference › Poster › Research
- 2009
- Published
The role of Spi-6 and a putative type six secretion system in Salmonella serotype Gallinarum virulence
Olsen, John Elmerdahl, Kristensen, B. M. & Frees, Dorte, 2009, ASM conference on Salmonella: Biology, Pathogenesis & Prevention. p. 50 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- 2010
- Published
A hitherto not recognized phenotype of spvA in Salmonella
Frees, Dorte, Gram, L., Holmstrøm, K. & Olsen, John Elmerdahl, 2010, Proceedings: 13S international symposium salmonella and salmonellosis. p. 33-34 2 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- Published
Distribution, expression and secretion of the RTX-toxin GtxA among members of the genus Gallibacterium
Kristensen, B. M., Frees, Dorte & Bojesen, Anders Miki, 2010, Pathogenesis of bacterial diseases in animals. p. 22 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Growth phase-dependent regulation of the global virulence regulator Rot in clinical isolates of Staphylococcus aureus
Jelsbak, L., Hemmingsen, L., Donat, S., Ohlsen, K., Boye, K., Westh, H., Ingmer, Hanne & Frees, Dorte, 2010, In: International Journal of Medical Microbiology. 300, 4, p. 229-236 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
GtxA from Gallibacterium anatis, a cytolytic RTX-toxin with a novel domain organisation
Kristensen, B. M., Frees, Dorte & Bojesen, Anders Miki, 2010, In: Veterinary Research. 41, 25, 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Method for screening compounds that influence virulence gene expression in Staphylococcus aureus
Nielsen, A., Nielsen, K. F., Frees, Dorte, Larsen, T. O. & Ingmer, Hanne, 2010, In: Antimicrobial Agents and Chemotherapy. 54, 1, p. 509-512 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
PhD course "Infection Microbiology": time schedule for module A, 2010
Frees, Dorte, Nielsen, M. & Thomsen, Line Elnif, 2010, Department of Veterinary Disease Biology, University of Copenhagen. 72 p.Research output: Book/Report › Compendium/lecture notes › Education
- Published
The chaperone ClpX stimulates expression of Staphylococcus aureus protein A by rot dependent and independent pathways
Jelsbak, L., Ingmer, Hanne, Valihrach, L., Cohn, M. T., Christiansen, M. H. G., Kallipolitis, B. H. & Frees, Dorte, 2010, In: PLoS ONE. 5, 9, 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2011
- Published
A porcine model of acute, haematogenous, localized osteomyelitis due to Staphylococcus aureus: a pathomorphological study
Jensen, Louise Kruse, Frees, Dorte, Aalbæk, Bent, Koch, J., Iburg, T. M., Nielsen, O. L., Leifsson, Páll S. & Jensen, Henrik Elvang, 2011, In: APMIS : Acta pathologica, microbiologica et immunologica Scandinavica. Supplementum. 119, 2, p. 111-118 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Clp-dependent proteolysis of the LexA N-terminal domain in Staphylococcus aureus
Cohn, M. T., Kjelgaard, P. M., Frees, Dorte, Penadés, J. R. & Ingmer, Hanne, 2011, In: Microbiology. 157, 3, p. 677-684 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Expression and secretion of the RTX-toxin GtxA among members of the genus Gallibacterium
Kristensen, B. M., Frees, Dorte & Bojesen, Anders Miki, 2011, In: Veterinary Microbiology. 153, 1-2, p. 116-123 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Searching for small sB-regulated genes in Staphylococcus aureus
Nielsen, J. S., Christiansen, M. H. G., Bonde, M., Gottschalk, S., Frees, Dorte, Thomsen, Line Elnif & Kallipolitis, B. H., 2011, In: Archives of Microbiology. 193, 1, p. 23-34 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2012
- Published
A porcine model of heamatogenous osteomyelitis: pathogenesis and pathology
Jensen, Louise Kruse, Koch, J., Frees, Dorte, Aalbæk, Bent, Nielsen, O. L., Leifsson, Páll S., Buelund, Lene Elisabeth, Svalastoga, Eiliv Lars & Jensen, Henrik Elvang, 2012. 1 p.Research output: Contribution to conference › Poster › Research
- Published
Antibiotic-mediated selection of quorum-sensing-negative Staphylococcus aureus
Paulander, W. E. A., Varming, A. N., Bæk, K. T., Haaber, J. K., Frees, Dorte & Ingmer, Hanne, 2012, In: mBio. 3, 6, p. e00459-12 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Local osteogenic expression of cyclooxygenase-2 and systemic response in porcine models of osteomyelitis
Jensen, Louise Kruse, Iburg, T. M., Nielsen, O. L., Leifsson, Páll S., Dahl-Pedersen, Kirstin, Koch, J., Frees, Dorte, Aalbæk, Bent, Heegaard, P. M. H. & Jensen, Henrik Elvang, 2012, In: Prostaglandins & Other Lipid Mediators. 97, 3-4, p. 103-108 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New insights into Staphylococcus aureus stress tolerance and virulence regulation from an analysis of the role of the ClpP protease in the strains Newman, COL, and SA564
Frees, Dorte, Andersen, J. H., Hemmingsen, L., Koskenniemi, K., Bæk, K. T., Muhammed, Musemma Kedir, Gudeta, D. D., Nyman, T. A., Sukura, A., Varmanen, P. & Savijoki, K., 2012, In: Journal of Proteome Research. 11, 1, p. 95-108 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Norlichexanthone modulate Staphylococcus aureus virulence gene expression possibly via agr and sae
Nielsen, A., Ifrah, D., Friberg, C., Larsen, T. O., Novick, R. P., Frøkiær, Hanne, Frees, Dorte, Hede, N. G. & Ingmer, Hanne, 2012.Research output: Contribution to conference › Poster › Research
- Published
Pathology and biofilm formation in a porcine model of staphylococcal osteomyelitis
Johansen, L. K., Koch, J., Frees, Dorte, Aalbæk, Bent, Nielsen, O. L., Leifsson, Páll S., Iburg, T. M., Svalastoga, Eiliv Lars, Buelund, Lene Elisabeth, Bjarnsholt, Thomas, Høiby, Niels & Jensen, Henrik Elvang, 2012, In: Journal of Comparative Pathology. 147, 2-3, p. 343-353 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Planktonic aggregates of Staphylococcus aureus protect against common antibiotics
Haaber, J. K., Cohn, M. T., Frees, Dorte, Andersen, Thorbjørn Joest & Ingmer, Hanne, 2012, In: P L o S One. 7, 7, 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The YjbH adaptor protein enhances proteolysis of the transcriptional regulator Spx in Staphylococcus aureus
Engman, J., Rogstam, A. H., Frees, Dorte, Ingmer, Hanne & Wachenfeldt, C. V., 2012, In: Journal of Bacteriology. 194, 5, p. 1186-1194 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Solonamide B Inhibits Quorum Sensing and reduces Staphylococcus aureus mediated killing of Human Neutrophils
Nielsen, A., Månsson, M., Gram, L., Larsen, T. O., Phipps, R. K., Frees, Dorte, Frøkiær, Hanne & Ingmer, Hanne, Aug 2012.Research output: Contribution to conference › Poster › Research
- 2013
- Published
Bacterial proteases and virulence
Frees, Dorte, Brøndsted, Lone & Ingmer, Hanne, 2013, Regulated proteolysis in microorganisms. Dougan, D. A. (ed.). Springer, p. 161-192 32 p. (Subcellular biochemistry, Vol. 66).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Genetic variation in the Staphylococcus aureus 8325 strain lineage revealed by whole-genome sequencing
Bæk, K. T., Frees, Dorte, Renzoni, A., Barras, C., Rodriguez, N., Manzano, C. & Kelley, W. L., 2013, In: P L o S One. 8, 9, 16 p., e77122.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Regulation of host hemoglobin binding by the Staphylococcus aureus Clp proteolytic system
Farrand, A. J., Reniere, M. L., Ingmer, Hanne, Frees, Dorte & Skaar, E. P., 2013, In: Journal of Bacteriology. 195, 22, p. 5041-5050 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The role of Serpine-1 and Tissue inhibitor of metalloproteinase type-1 in early host responses to Staphylococcus aureus intracutaneous infection of mice
Harslund, J. L. F., Frees, Dorte, Leifsson, Páll S., Offenberg, H. K., Rømer, M. U. K., Brünner, N. & Olsen, John Elmerdahl, 2013, In: Pathogens and Disease. 68, 3, p. 96-104 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Therapy of haematogenous osteomyelitis: a comparative study in a porcine model and Angolan children
Jensen, Louise Kruse, Koch, J., Kirketerp-Møller, K., Wamsler, O. J., Nielsen, O. L., Leifsson, Páll S., Frees, Dorte, Aalbæk, Bent & Jensen, Henrik Elvang, 2013, In: In Vivo. 27, 3, p. 305-312 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Trapping and proteomic identification of cellular substrates of the ClpP protease in Staphylococcus aureus
Feng, J., Michalik, S., Varming, A. N., Andersen, J. H., Albrecht, D., Jelsbak, L., Krieger, S., Ohlsen, K., Hecker, M., Gerth, U., Ingmer, Hanne & Frees, Dorte, 2013, In: Journal of Proteome Research. 12, 2, p. 547-558 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2014
- Published
Clp chaperones and proteases are central in stress survival, virulence and antibiotic resistance of Staphylococcus aureus
Frees, Dorte, Gerth, U. & Ingmer, Hanne, 2014, In: International Journal of Medical Microbiology. 304, 2, p. 142-149 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Solonamide B inhibits quorum sensing and reduces Staphylococcus aureus mediated killing of human neutrophils
Nielsen, A., Månsson, M., Bojer, Martin Saxtorph, Gram, L., Larsen, T. O., Novick, R. P., Frees, Dorte, Frøkiær, Hanne & Ingmer, Hanne, 2014, In: P L o S One. 9, 1, p. e84992 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
β-lactam resistance in methicillin-resistant Staphylococcus aureus USA300 is increased by inactivation of the ClpXP protease
Bæk, K. T., Gründling, A., Mogensen, R. G., Thøgersen, L., Petersen, A., Paulander, W. E. A. & Frees, Dorte, 2014, In: Antimicrobial Agents and Chemotherapy. 58, 8, p. 4593-4603 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2015
- Published
ID: 4233088
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Planktonic aggregates of Staphylococcus aureus protect against common antibiotics
Research output: Contribution to journal › Journal article › Research › peer-review
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1056
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The chaperone ClpX stimulates expression of Staphylococcus aureus protein A by rot dependent and independent pathways
Research output: Contribution to journal › Journal article › Research › peer-review
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281
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The ClpXP protease is dispensable for degradation of unfolded proteins in Staphylococcus aureus
Research output: Contribution to journal › Journal article › Research › peer-review
Published