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Items: 47

1.

The SPI-19 encoded type-six secretion-systems (T6SS) of Salmonella enterica serovars Gallinarum and Dublin play different roles during infection.

Schroll C, Huang K, Ahmed S, Kristensen BM, Pors SE, Jelsbak L, Lemire S, Thomsen LE, Christensen JP, Jensen PR, Olsen JE.

Vet Microbiol. 2019 Mar;230:23-31. doi: 10.1016/j.vetmic.2019.01.006. Epub 2019 Jan 7.

PMID:
30827393
2.

Antimicrobial resistance among clinically relevant bacterial isolates in Accra: a retrospective study.

Mohammed J, Hounmanou YMG, Thomsen LE.

BMC Res Notes. 2018 Apr 25;11(1):254. doi: 10.1186/s13104-018-3377-7.

3.

Treatment with Cefotaxime Affects Expression of Conjugation Associated Proteins and Conjugation Transfer Frequency of an IncI1 Plasmid in Escherichia coli.

Møller TSB, Liu G, Boysen A, Thomsen LE, Lüthje FL, Mortensen S, Møller-Jensen J, Olsen JE.

Front Microbiol. 2017 Nov 29;8:2365. doi: 10.3389/fmicb.2017.02365. eCollection 2017.

5.

Prevalence of feline haemoplasma in cats in Denmark.

Rosenqvist MB, Meilstrup AH, Larsen J, Olsen JE, Jensen AL, Thomsen LE.

Acta Vet Scand. 2016 Nov 10;58(1):78.

6.

The lysine-peptoid hybrid LP5 maintain activity under physiological conditions and affects virulence gene expression in Staphylococcus aureus.

Gottschalk S, Ingmer H, Thomsen LE.

Peptides. 2016 Apr;78:24-9. doi: 10.1016/j.peptides.2016.02.001. Epub 2016 Feb 3.

PMID:
26851701
7.

Amphibian antimicrobial peptide fallaxin analogue FL9 affects virulence gene expression and DNA replication in Staphylococcus aureus.

Gottschalk S, Gottlieb CT, Vestergaard M, Hansen PR, Gram L, Ingmer H, Thomsen LE.

J Med Microbiol. 2015 Dec;64(12):1504-13. doi: 10.1099/jmm.0.000177. Epub 2015 Sep 28.

PMID:
26415708
8.

Stepwise decrease in daptomycin susceptibility in clinical Staphylococcus aureus isolates associated with an initial mutation in rpoB and a compensatory inactivation of the clpX gene.

Bæk KT, Thøgersen L, Mogenssen RG, Mellergaard M, Thomsen LE, Petersen A, Skov S, Cameron DR, Peleg AY, Frees D.

Antimicrob Agents Chemother. 2015 Nov;59(11):6983-91. doi: 10.1128/AAC.01303-15. Epub 2015 Aug 31.

9.

Importance of sigma factor mutations in increased triclosan resistance in Salmonella Typhimurium.

Gantzhorn MR, Olsen JE, Thomsen LE.

BMC Microbiol. 2015 May 19;15:105. doi: 10.1186/s12866-015-0444-2.

10.

The role of ClpP, RpoS and CsrA in growth and filament formation of Salmonella enterica serovar Typhimurium at low temperature.

Knudsen GM, Nielsen MB, Thomsen LE, Aabo S, Rychlik I, Olsen JE.

BMC Microbiol. 2014 Aug 14;14:208. doi: 10.1186/s12866-014-0208-4.

11.

Identification of metabolic pathways essential for fitness of Salmonella Typhimurium in vivo.

Jelsbak L, Hartman H, Schroll C, Rosenkrantz JT, Lemire S, Wallrodt I, Thomsen LE, Poolman M, Kilstrup M, Jensen PR, Olsen JE.

PLoS One. 2014 Jul 3;9(7):e101869. doi: 10.1371/journal.pone.0101869. eCollection 2014.

12.

Biocide and antibiotic susceptibility of Salmonella isolates obtained before and after cleaning at six Danish pig slaughterhouses.

Gantzhorn MR, Pedersen K, Olsen JE, Thomsen LE.

Int J Food Microbiol. 2014 Jul 2;181:53-9. doi: 10.1016/j.ijfoodmicro.2014.04.021. Epub 2014 Apr 29.

PMID:
24819413
13.

Removal of the phage-shock protein PspB causes reduction of virulence in Salmonella enterica serovar Typhimurium independently of NRAMP1.

Wallrodt I, Jelsbak L, Thomsen LE, Brix L, Lemire S, Gautier L, Nielsen DS, Jovanovic G, Buck M, Olsen JE.

J Med Microbiol. 2014 Jun;63(Pt 6):788-95. doi: 10.1099/jmm.0.072223-0. Epub 2014 Apr 8.

PMID:
24713356
14.

Non-essential genes form the hubs of genome scale protein function and environmental gene expression networks in Salmonella enterica serovar Typhimurium.

Rosenkrantz JT, Aarts H, Abee T, Rolfe MD, Knudsen GM, Nielsen MB, Thomsen LE, Zwietering MH, Olsen JE, Pin C.

BMC Microbiol. 2013 Dec 17;13:294. doi: 10.1186/1471-2180-13-294.

15.

Cyclic peptide inhibitors of the β-sliding clamp in Staphylococcus aureus.

Kjelstrup S, Hansen PM, Thomsen LE, Hansen PR, Løbner-Olesen A.

PLoS One. 2013 Sep 4;8(9):e72273. doi: 10.1371/journal.pone.0072273. eCollection 2013.

16.

The antimicrobial lysine-peptoid hybrid LP5 inhibits DNA replication and induces the SOS response in Staphylococcus aureus.

Gottschalk S, Ifrah D, Lerche S, Gottlieb CT, Cohn MT, Hiasa H, Hansen PR, Gram L, Ingmer H, Thomsen LE.

BMC Microbiol. 2013 Aug 14;13:192. doi: 10.1186/1471-2180-13-192.

17.

The putative thiosulfate sulfurtransferases PspE and GlpE contribute to virulence of Salmonella Typhimurium in the mouse model of systemic disease.

Wallrodt I, Jelsbak L, Thorndahl L, Thomsen LE, Lemire S, Olsen JE.

PLoS One. 2013 Aug 5;8(8):e70829. doi: 10.1371/journal.pone.0070829. Print 2013.

18.

ClpP deletion causes attenuation of Salmonella Typhimurium virulence through mis-regulation of RpoS and indirect control of CsrA and the SPI genes.

Knudsen GM, Olsen JE, Aabo S, Barrow P, Rychlik I, Thomsen LE.

Microbiology. 2013 Jul;159(Pt 7):1497-509. doi: 10.1099/mic.0.065797-0. Epub 2013 May 15.

PMID:
23676436
19.

The role of flagella and chemotaxis genes in host pathogen interaction of the host adapted Salmonella enterica serovar Dublin compared to the broad host range serovar S. Typhimurium.

Olsen JE, Hoegh-Andersen KH, Casadesús J, Rosenkranzt J, Chadfield MS, Thomsen LE.

BMC Microbiol. 2013 Mar 25;13:67. doi: 10.1186/1471-2180-13-67.

20.

Comparison of heat stress responses of immobilized and planktonic Salmonella enterica serovar Typhimurium.

Nielsen MB, Knudsen GM, Danino-Appleton V, Olsen JE, Thomsen LE.

Food Microbiol. 2013 Apr;33(2):221-7. doi: 10.1016/j.fm.2012.09.020. Epub 2012 Oct 6.

PMID:
23200655
21.

The importance of motility and chemotaxis for extra-animal survival of Salmonella enterica serovar Typhimurium and Dublin.

Olsen JE, Hoegh-Andersen KH, Casadesús J, Thomsen LE.

J Appl Microbiol. 2012 Sep;113(3):560-8. doi: 10.1111/j.1365-2672.2012.05363.x. Epub 2012 Jul 17.

22.

Polyamines are required for virulence in Salmonella enterica serovar Typhimurium.

Jelsbak L, Thomsen LE, Wallrodt I, Jensen PR, Olsen JE.

PLoS One. 2012;7(4):e36149. doi: 10.1371/journal.pone.0036149. Epub 2012 Apr 30.

23.

A third mode of surface-associated growth: immobilization of Salmonella enterica serovar Typhimurium modulates the RpoS-directed transcriptional programme.

Knudsen GM, Nielsen MB, Grassby T, Danino-Appleton V, Thomsen LE, Colquhoun IJ, Brocklehurst TF, Olsen JE, Hinton JC.

Environ Microbiol. 2012 Aug;14(8):1855-75. doi: 10.1111/j.1462-2920.2012.02703.x. Epub 2012 Feb 22.

PMID:
22356617
24.

The heme sensing response regulator HssR in Staphylococcus aureus but not the homologous RR23 in Listeria monocytogenes modulates susceptibility to the antimicrobial peptide plectasin.

Thomsen LE, Gottlieb CT, Gottschalk S, Wodskou TT, Kristensen HH, Gram L, Ingmer H.

BMC Microbiol. 2010 Dec 1;10:307. doi: 10.1186/1471-2180-10-307.

25.

Searching for small σB-regulated genes in Staphylococcus aureus.

Nielsen JS, Christiansen MH, Bonde M, Gottschalk S, Frees D, Thomsen LE, Kallipolitis BH.

Arch Microbiol. 2011 Jan;193(1):23-34. doi: 10.1007/s00203-010-0641-1. Epub 2010 Oct 27.

PMID:
20978742
26.

Early adaptive developments of Pseudomonas aeruginosa after the transition from life in the environment to persistent colonization in the airways of human cystic fibrosis hosts.

Rau MH, Hansen SK, Johansen HK, Thomsen LE, Workman CT, Nielsen KF, Jelsbak L, Høiby N, Yang L, Molin S.

Environ Microbiol. 2010 Jun;12(6):1643-58. doi: 10.1111/j.1462-2920.2010.02211.x. Epub 2010 Apr 7.

PMID:
20406284
27.

Antimicrobial peptides effectively kill a broad spectrum of Listeria monocytogenes and Staphylococcus aureus strains independently of origin, sub-type, or virulence factor expression.

Gottlieb CT, Thomsen LE, Ingmer H, Mygind PH, Kristensen HH, Gram L.

BMC Microbiol. 2008 Nov 26;8:205. doi: 10.1186/1471-2180-8-205.

28.

Chitin hydrolysis by Listeria spp., including L. monocytogenes.

Leisner JJ, Larsen MH, Jørgensen RL, Brøndsted L, Thomsen LE, Ingmer H.

Appl Environ Microbiol. 2008 Jun;74(12):3823-30. doi: 10.1128/AEM.02701-07. Epub 2008 Apr 18.

29.

Processing plant persistent strains of Listeria monocytogenes appear to have a lower virulence potential than clinical strains in selected virulence models.

Jensen A, Thomsen LE, Jørgensen RL, Larsen MH, Roldgaard BB, Christensen BB, Vogel BF, Gram L, Ingmer H.

Int J Food Microbiol. 2008 Apr 30;123(3):254-61. doi: 10.1016/j.ijfoodmicro.2008.02.016. Epub 2008 Feb 21.

PMID:
18394737
31.

Effects of crp deletion in Salmonella enterica serotype Gallinarum.

Rosu V, Chadfield MS, Santona A, Christensen JP, Thomsen LE, Rubino S, Olsen JE.

Acta Vet Scand. 2007 May 8;49:14.

32.

Molecular epidemiology and dynamics of Pseudomonas aeruginosa populations in lungs of cystic fibrosis patients.

Jelsbak L, Johansen HK, Frost AL, Thøgersen R, Thomsen LE, Ciofu O, Yang L, Haagensen JA, Høiby N, Molin S.

Infect Immun. 2007 May;75(5):2214-24. Epub 2007 Jan 29.

33.

The effect of fermentable carbohydrates on experimental swine dysentery and whip worm infections in pigs.

Thomsen LE, Knudsen KE, Jensen TK, Christensen AS, Møller K, Roepstorff A.

Vet Microbiol. 2007 Jan 31;119(2-4):152-63. Epub 2006 Oct 17.

PMID:
17049759
34.

The effect of inulin on new and on patent infections of Trichuris suis in growing pigs.

Petkevicius S, Thomsen LE, Bach Knudsen KE, Murrell KD, Roepstorff A, Boes J.

Parasitology. 2007 Jan;134(Pt 1):121-7. Epub 2006 Oct 11.

PMID:
17032472
35.

Pathology of Trichuris suis infection in pigs fed an inulin- and a non-inulin-containing diet.

Krag L, Thomsen LE, Iburg T.

J Vet Med A Physiol Pathol Clin Med. 2006 Oct;53(8):405-9.

PMID:
16970629
36.

The effect of dietary carbohydrates and Trichuris suis infection on pig large intestine tissue structure, epithelial cell proliferation and mucin characteristics.

Thomsen LE, Knudsen KE, Hedemann MS, Roepstorff A.

Vet Parasitol. 2006 Nov 30;142(1-2):112-22. Epub 2006 Aug 22.

PMID:
16920263
37.

Caenorhabditis elegans is a model host for Listeria monocytogenes.

Thomsen LE, Slutz SS, Tan MW, Ingmer H.

Appl Environ Microbiol. 2006 Feb;72(2):1700-1.

38.

The influence of dietary carbohydrates on experimental infection with Trichuris suis in pigs.

Thomsen LE, Petkevicius S, Bach Knudsen KE, Roepstorff A.

Parasitology. 2005 Dec;131(Pt 6):857-65.

PMID:
16336739
39.

Staphylococcus aureus ClpYQ plays a minor role in stress survival.

Frees D, Thomsen LE, Ingmer H.

Arch Microbiol. 2005 May;183(4):286-91. Epub 2005 Apr 21.

PMID:
15843987
40.

SOS response induction by beta-lactams and bacterial defense against antibiotic lethality.

Miller C, Thomsen LE, Gaggero C, Mosseri R, Ingmer H, Cohen SN.

Science. 2004 Sep 10;305(5690):1629-31. Epub 2004 Aug 12.

42.

Reduced amounts of LPS affect both stress tolerance and virulence of Salmonella enterica serovar Dublin.

Thomsen LE, Chadfield MS, Bispham J, Wallis TS, Olsen JE, Ingmer H.

FEMS Microbiol Lett. 2003 Nov 21;228(2):225-31.

43.
44.

ClpP is involved in the stress response and degradation of misfolded proteins in Salmonella enterica serovar Typhimurium.

Thomsen LE, Olsen JE, Foster JW, Ingmer H.

Microbiology. 2002 Sep;148(Pt 9):2727-33.

PMID:
12213919
45.

The influence of stocking rate on transmission of helminth parasites in pigs on permanent pasture during two consecutive summers.

Thomsen LE, Mejer H, Wendt S, Roepstorff A, Hindsbo O.

Vet Parasitol. 2001 Aug 1;99(2):129-46.

PMID:
11470180
46.

Nose-rings and transmission of helminth parasites in outdoor pigs.

Mejer H, Wendt S, Thomsen LE, Roepstorff A, Hindsbo O.

Acta Vet Scand. 2000;41(2):153-65.

PMID:
10965566
47.

Protein-ligand interaction: grafting of the uridine-specific determinants from the CytR regulator of Salmonella typhimurium to Escherichia coli CytR.

Thomsen LE, Pedersen M, Nørregaard-Madsen M, Valentin-Hansen P, Kallipolitis BH.

J Mol Biol. 1999 Apr 23;288(1):165-75.

PMID:
10329134

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