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Characterization of worldwide Helicobacter pylori strains reveals genetic conservation and essentiality of serine protease HtrA.

Tegtmeyer N, Moodley Y, Yamaoka Y, Pernitzsch SR, Schmidt V, Traverso FR, Schmidt TP, Rad R, Yeoh KG, Bow H, Torres J, Gerhard M, Schneider G, Wessler S, Backert S.

Mol Microbiol. 2015 Nov 16. doi: 10.1111/mmi.13276. [Epub ahead of print]


Correction: Induction of TLR-2 and TLR-5 Expression by Helicobacter pylori Switches cagPAI-Dependent Signalling Leading to the Secretion of IL-8 and TNF-α.

Kumar Pachathundikandi S, Brandt S, Madassery J, Backert S.

PLoS One. 2015 Oct 23;10(10):e0141721. doi: 10.1371/journal.pone.0141721. eCollection 2015.


H. pylori-Induced DNA Strand Breaks Are Introduced by Nucleotide Excision Repair Endonucleases and Promote NF-κB Target Gene Expression.

Hartung ML, Gruber DC, Koch KN, Grüter L, Rehrauer H, Tegtmeyer N, Backert S, Müller A.

Cell Rep. 2015 Oct 6;13(1):70-9. doi: 10.1016/j.celrep.2015.08.074. Epub 2015 Sep 24.


Helicobacter urease-induced activation of the TLR2/NLRP3/IL-18 axis protects against asthma.

Koch KN, Hartung ML, Urban S, Kyburz A, Bahlmann AS, Lind J, Backert S, Taube C, Müller A.

J Clin Invest. 2015 Aug 3;125(8):3297-302. doi: 10.1172/JCI79337. Epub 2015 Jul 27.


Fragment-Based De Novo Design Reveals a Small-Molecule Inhibitor of Helicobacter Pylori HtrA.

Perna AM, Rodrigues T, Schmidt TP, Böhm M, Stutz K, Reker D, Pfeiffer B, Altmann KH, Backert S, Wessler S, Schneider G.

Angew Chem Int Ed Engl. 2015 Aug 24;54(35):10244-8. doi: 10.1002/anie.201504035. Epub 2015 Jun 9.


Composition, structure and function of the Helicobacter pylori cag pathogenicity island encoded type IV secretion system.

Backert S, Tegtmeyer N, Fischer W.

Future Microbiol. 2015;10(6):955-65. doi: 10.2217/fmb.15.32.


Helicobacter pylori virulence factors affecting gastric proton pump expression and acid secretion.

Hammond CE, Beeson C, Suarez G, Peek RM Jr, Backert S, Smolka AJ.

Am J Physiol Gastrointest Liver Physiol. 2015 Aug 1;309(3):G193-201. doi: 10.1152/ajpgi.00099.2015. Epub 2015 Jun 4.


Interplay of the Gastric Pathogen Helicobacter pylori with Toll-Like Receptors.

Pachathundikandi SK, Lind J, Tegtmeyer N, El-Omar EM, Backert S.

Biomed Res Int. 2015;2015:192420. doi: 10.1155/2015/192420. Epub 2015 Apr 6. Review.


Campylobacter jejuni serine protease HtrA plays an important role in heat tolerance, oxygen resistance, host cell adhesion, invasion, and transmigration.

Boehm M, Lind J, Backert S, Tegtmeyer N.

Eur J Microbiol Immunol (Bp). 2015 Mar;5(1):68-80. doi: 10.1556/EUJMI-D-15-00003. Epub 2015 Mar 26.


A specific A/T polymorphism in Western tyrosine phosphorylation B-motifs regulates Helicobacter pylori CagA epithelial cell interactions.

Zhang XS, Tegtmeyer N, Traube L, Jindal S, Perez-Perez G, Sticht H, Backert S, Blaser MJ.

PLoS Pathog. 2015 Feb 3;11(2):e1004621. doi: 10.1371/journal.ppat.1004621. eCollection 2015 Feb.


Helicobacter pylori cell translocating kinase (CtkA/JHP0940) is pro-apoptotic in mouse macrophages and acts as auto-phosphorylating tyrosine kinase.

Tenguria S, Ansari SA, Khan N, Ranjan A, Devi S, Tegtmeyer N, Lind J, Backert S, Ahmed N.

Int J Med Microbiol. 2014 Nov;304(8):1066-76. doi: 10.1016/j.ijmm.2014.07.017. Epub 2014 Aug 6.


The role of serine protease HtrA in acute ulcerative enterocolitis and extra-intestinal immune responses during Campylobacter jejuni infection of gnotobiotic IL-10 deficient mice.

Heimesaat MM, Alutis M, Grundmann U, Fischer A, Tegtmeyer N, Böhm M, Kühl AA, Göbel UB, Backert S, Bereswill S.

Front Cell Infect Microbiol. 2014 Jun 10;4:77. doi: 10.3389/fcimb.2014.00077. eCollection 2014.


Helicobacter pylori CagL Y58/E59 mutation turns-off type IV secretion-dependent delivery of CagA into host cells.

Tegtmeyer N, Lind J, Schmid B, Backert S.

PLoS One. 2014 Jun 3;9(6):e97782. doi: 10.1371/journal.pone.0097782. eCollection 2014.


The impact of serine protease HtrA in apoptosis, intestinal immune responses and extra-intestinal histopathology during Campylobacter jejuni infection of infant mice.

Heimesaat MM, Fischer A, Alutis M, Grundmann U, Boehm M, Tegtmeyer N, Göbel UB, Kühl AA, Bereswill S, Backert S.

Gut Pathog. 2014 May 27;6:16. doi: 10.1186/1757-4749-6-16. eCollection 2014.


Structure of a three-dimensional domain-swapped dimer of the Helicobacter pylori type IV secretion system pilus protein CagL.

Barden S, Schomburg B, Conradi J, Backert S, Sewald N, Niemann HH.

Acta Crystallogr D Biol Crystallogr. 2014 May;70(Pt 5):1391-400. doi: 10.1107/S1399004714003150. Epub 2014 Apr 30.


Systematic analysis of phosphotyrosine antibodies recognizing single phosphorylated EPIYA-motifs in CagA of Western-type Helicobacter pylori strains.

Lind J, Backert S, Pfleiderer K, Berg DE, Yamaoka Y, Sticht H, Tegtmeyer N.

PLoS One. 2014 May 6;9(5):e96488. doi: 10.1371/journal.pone.0096488. eCollection 2014.


DNA transfer in the gastric pathogen Helicobacter pylori.

Fernandez-Gonzalez E, Backert S.

J Gastroenterol. 2014 Apr;49(4):594-604. doi: 10.1007/s00535-014-0938-y. Epub 2014 Feb 11. Review.


Helicobacter pylori-induced posttranscriptional regulation of H-K-ATPase α-subunit gene expression by miRNA.

Zhang YM, Noto JM, Hammond CE, Barth JL, Argraves WS, Backert S, Peek RM Jr, Smolka AJ.

Am J Physiol Gastrointest Liver Physiol. 2014 Apr 1;306(7):G606-13. doi: 10.1152/ajpgi.00333.2013. Epub 2014 Feb 6.


Signal transduction of Helicobacter pylori during interaction with host cell protein receptors of epithelial and immune cells.

Pachathundikandi SK, Tegtmeyer N, Backert S.

Gut Microbes. 2013 Nov-Dec;4(6):454-74. doi: 10.4161/gmic.27001. Epub 2013 Nov 6. Review.


The functional interplay of Helicobacter pylori factors with gastric epithelial cells induces a multi-step process in pathogenesis.

Posselt G, Backert S, Wessler S.

Cell Commun Signal. 2013 Oct 7;11:77. doi: 10.1186/1478-811X-11-77. Review.

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