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Early-Career Scientists Shaping the New Microbiology.

Bäumler AJ, Richardson AR, Ottemann KM.

Infect Immun. 2020 Mar 16. pii: IAI.00129-20. doi: 10.1128/IAI.00129-20. [Epub ahead of print]


Helicobacter pylori Uses the TlpB Receptor To Sense Sites of Gastric Injury.

Hanyu H, Engevik KA, Matthis AL, Ottemann KM, Montrose MH, Aihara E.

Infect Immun. 2019 Aug 21;87(9). pii: e00202-19. doi: 10.1128/IAI.00202-19. Print 2019 Sep.


Editorial overview: Host-pathogen interactions: bacteria.

Ottemann KM, Kenney LJ.

Curr Opin Microbiol. 2019 Feb;47:iii-v. doi: 10.1016/j.mib.2019.05.003. No abstract available.


Control of bacterial colonization in the glands and crypts.

Yang C, Ottemann KM.

Curr Opin Microbiol. 2019 Feb;47:38-44. doi: 10.1016/j.mib.2018.11.004. Epub 2018 Nov 28. Review.


Helicobacter pylori Biofilm Involves a Multigene Stress-Biased Response, Including a Structural Role for Flagella.

Hathroubi S, Zerebinski J, Ottemann KM.

mBio. 2018 Oct 30;9(5). pii: e01973-18. doi: 10.1128/mBio.01973-18.


Three SpoA-domain proteins interact in the creation of the flagellar type III secretion system in Helicobacter pylori.

Lam KH, Xue C, Sun K, Zhang H, Lam WWL, Zhu Z, Ng JTY, Sause WE, Lertsethtakarn P, Lau KF, Ottemann KM, Au SWN.

J Biol Chem. 2018 Sep 7;293(36):13961-13973. doi: 10.1074/jbc.RA118.002263. Epub 2018 Jul 10.


Helicobacter pylori Biofilm Formation and Its Potential Role in Pathogenesis.

Hathroubi S, Servetas SL, Windham I, Merrell DS, Ottemann KM.

Microbiol Mol Biol Rev. 2018 May 9;82(2). pii: e00001-18. doi: 10.1128/MMBR.00001-18. Print 2018 Jun. Review.


Chemotaxis Allows Bacteria To Overcome Host-Generated Reactive Oxygen Species That Constrain Gland Colonization.

Collins KD, Hu S, Grasberger H, Kao JY, Ottemann KM.

Infect Immun. 2018 Apr 23;86(5). pii: e00878-17. doi: 10.1128/IAI.00878-17. Print 2018 May.


Two Spatial Chemotaxis Assays: The Nutrient-Depleted Chemotaxis Assay and the Agarose-Plug-Bridge Assay.

Korolik V, Ottemann KM.

Methods Mol Biol. 2018;1729:23-31. doi: 10.1007/978-1-4939-7577-8_3.


NLRP3 Controls the Development of Gastrointestinal CD11b+ Dendritic Cells in the Steady State and during Chronic Bacterial Infection.

Arnold IC, Zhang X, Urban S, Artola-Borán M, Manz MG, Ottemann KM, Müller A.

Cell Rep. 2017 Dec 26;21(13):3860-3872. doi: 10.1016/j.celrep.2017.12.015.


Colonization, localization, and inflammation: the roles of H. pylori chemotaxis in vivo.

Johnson KS, Ottemann KM.

Curr Opin Microbiol. 2018 Feb;41:51-57. doi: 10.1016/j.mib.2017.11.019. Epub 2017 Dec 1. Review.


Helicobacter pylori chemoreceptor TlpC mediates chemotaxis to lactate.

Machuca MA, Johnson KS, Liu YC, Steer DL, Ottemann KM, Roujeinikova A.

Sci Rep. 2017 Oct 26;7(1):14089. doi: 10.1038/s41598-017-14372-2.


Cooperation of two distinct coupling proteins creates chemosensory network connections.

Abedrabbo S, Castellon J, Collins KD, Johnson KS, Ottemann KM.

Proc Natl Acad Sci U S A. 2017 Mar 14;114(11):2970-2975. doi: 10.1073/pnas.1618227114. Epub 2017 Feb 27.


Fallacy of the Unique Genome: Sequence Diversity within Single Helicobacter pylori Strains.

Draper JL, Hansen LM, Bernick DL, Abedrabbo S, Underwood JG, Kong N, Huang BC, Weis AM, Weimer BC, van Vliet AH, Pourmand N, Solnick JV, Karplus K, Ottemann KM.

mBio. 2017 Feb 21;8(1). pii: e02321-16. doi: 10.1128/mBio.02321-16.


The Helicobacter pylori Autotransporter ImaA Tempers the Bacterium's Interaction with α5β1 Integrin.

Sause WE, Keilberg D, Aboulhouda S, Ottemann KM.

Infect Immun. 2016 Dec 29;85(1). pii: e00450-16. doi: 10.1128/IAI.00450-16. Print 2017 Jan.


Spatial and Temporal Shifts in Bacterial Biogeography and Gland Occupation during the Development of a Chronic Infection.

Keilberg D, Zavros Y, Shepherd B, Salama NR, Ottemann KM.

mBio. 2016 Oct 11;7(5). pii: e01705-16. doi: 10.1128/mBio.01705-16.


The Helicobacter pylori CZB Cytoplasmic Chemoreceptor TlpD Forms an Autonomous Polar Chemotaxis Signaling Complex That Mediates a Tactic Response to Oxidative Stress.

Collins KD, Andermann TM, Draper J, Sanders L, Williams SM, Araghi C, Ottemann KM.

J Bacteriol. 2016 May 13;198(11):1563-75. doi: 10.1128/JB.00071-16. Print 2016 Jun 1.


How Helicobacter pylori senses, targets and interacts with the gastric epithelium.

Keilberg D, Ottemann KM.

Environ Microbiol. 2016 Mar;18(3):791-806. doi: 10.1111/1462-2920.13222. Epub 2016 Feb 4. Review.


H. pylori GPS: Modulating Host Metabolites for Location Sensing.

Keilberg D, Ottemann KM.

Cell Host Microbe. 2015 Aug 12;18(2):135-6. doi: 10.1016/j.chom.2015.07.013.


Helicobacter pylori CheZ(HP) and ChePep form a novel chemotaxis-regulatory complex distinct from the core chemotaxis signaling proteins and the flagellar motor.

Lertsethtakarn P, Howitt MR, Castellon J, Amieva MR, Ottemann KM.

Mol Microbiol. 2015 Sep;97(6):1063-78. doi: 10.1111/mmi.13086. Epub 2015 Jul 4.


Vibrio cholerae Response Regulator VxrB Controls Colonization and Regulates the Type VI Secretion System.

Cheng AT, Ottemann KM, Yildiz FH.

PLoS Pathog. 2015 May 22;11(5):e1004933. doi: 10.1371/journal.ppat.1004933. eCollection 2015 May.


The use of murine-derived fundic organoids in studies of gastric physiology.

Schumacher MA, Aihara E, Feng R, Engevik A, Shroyer NF, Ottemann KM, Worrell RT, Montrose MH, Shivdasani RA, Zavros Y.

J Physiol. 2015 Apr 15;593(8):1809-27. doi: 10.1113/jphysiol.2014.283028. Epub 2015 Feb 19.


Helicobacter pylori-induced Sonic Hedgehog expression is regulated by NFκB pathway activation: the use of a novel in vitro model to study epithelial response to infection.

Schumacher MA, Feng R, Aihara E, Engevik AC, Montrose MH, Ottemann KM, Zavros Y.

Helicobacter. 2015 Feb;20(1):19-28. doi: 10.1111/hel.12152. Epub 2014 Dec 11.


Internal sense of direction: sensing and signaling from cytoplasmic chemoreceptors.

Collins KD, Lacal J, Ottemann KM.

Microbiol Mol Biol Rev. 2014 Dec;78(4):672-84. doi: 10.1128/MMBR.00033-14. Review.


Motility and chemotaxis mediate the preferential colonization of gastric injury sites by Helicobacter pylori.

Aihara E, Closson C, Matthis AL, Schumacher MA, Engevik AC, Zavros Y, Ottemann KM, Montrose MH.

PLoS Pathog. 2014 Jul 17;10(7):e1004275. doi: 10.1371/journal.ppat.1004275. eCollection 2014 Jul.


Structural basis of FliG-FliM interaction in Helicobacter pylori.

Lam KH, Lam WW, Wong JY, Chan LC, Kotaka M, Ling TK, Jin DY, Ottemann KM, Au SW.

Mol Microbiol. 2013 May;88(4):798-812. doi: 10.1111/mmi.12222. Epub 2013 Apr 24.


The degree of Helicobacter pylori-triggered inflammation is manipulated by preinfection host microbiota.

Rolig AS, Cech C, Ahler E, Carter JE, Ottemann KM.

Infect Immun. 2013 May;81(5):1382-9. doi: 10.1128/IAI.00044-13. Epub 2013 Feb 19.


A supplemented soft agar chemotaxis assay demonstrates the Helicobacter pylori chemotactic response to zinc and nickel.

Sanders L, Andermann TM, Ottemann KM.

Microbiology. 2013 Jan;159(Pt 1):46-57. doi: 10.1099/mic.0.062877-0. Epub 2012 Nov 8.


Conserved transcriptional unit organization of the cag pathogenicity island among Helicobacter pylori strains.

Ta LH, Hansen LM, Sause WE, Shiva O, Millstein A, Ottemann KM, Castillo AR, Solnick JV.

Front Cell Infect Microbiol. 2012 Apr 20;2:46. doi: 10.3389/fcimb.2012.00046. eCollection 2012.


Helicobacter pylori requires TlpD-driven chemotaxis to proliferate in the antrum.

Rolig AS, Shanks J, Carter JE, Ottemann KM.

Infect Immun. 2012 Oct;80(10):3713-20. doi: 10.1128/IAI.00407-12. Epub 2012 Jul 16.


The Helicobacter pylori autotransporter ImaA (HP0289) modulates the immune response and contributes to host colonization.

Sause WE, Castillo AR, Ottemann KM.

Infect Immun. 2012 Jul;80(7):2286-96. doi: 10.1128/IAI.00312-12. Epub 2012 May 7.


Bacterial chemotaxis modulates host cell apoptosis to establish a T-helper cell, type 17 (Th17)-dominant immune response in Helicobacter pylori infection.

Rolig AS, Carter JE, Ottemann KM.

Proc Natl Acad Sci U S A. 2011 Dec 6;108(49):19749-54. doi: 10.1073/pnas.1104598108. Epub 2011 Nov 21.


Motility and chemotaxis in Campylobacter and Helicobacter .

Lertsethtakarn P, Ottemann KM, Hendrixson DR.

Annu Rev Microbiol. 2011;65:389-410. doi: 10.1146/annurev-micro-090110-102908. Review.


ChePep controls Helicobacter pylori Infection of the gastric glands and chemotaxis in the Epsilonproteobacteria.

Howitt MR, Lee JY, Lertsethtakarn P, Vogelmann R, Joubert LM, Ottemann KM, Amieva MR.

mBio. 2011 Jul 26;2(4). pii: e00098-11. doi: 10.1128/mBio.00098-11. Print 2011.


Identification of a chemoreceptor zinc-binding domain common to cytoplasmic bacterial chemoreceptors.

Draper J, Karplus K, Ottemann KM.

J Bacteriol. 2011 Sep;193(17):4338-45. doi: 10.1128/JB.05140-11. Epub 2011 Jul 1.


Helicobacter pylori perceives the quorum-sensing molecule AI-2 as a chemorepellent via the chemoreceptor TlpB.

Rader BA, Wreden C, Hicks KG, Sweeney EG, Ottemann KM, Guillemin K.

Microbiology. 2011 Sep;157(Pt 9):2445-2455. doi: 10.1099/mic.0.049353-0. Epub 2011 May 20.


CheV: CheW-like coupling proteins at the core of the chemotaxis signaling network.

Alexander RP, Lowenthal AC, Harshey RM, Ottemann KM.

Trends Microbiol. 2010 Nov;18(11):494-503. doi: 10.1016/j.tim.2010.07.004. Epub 2010 Sep 9. Review.


A remote CheZ orthologue retains phosphatase function.

Lertsethtakarn P, Ottemann KM.

Mol Microbiol. 2010 Jul 1;77(1):225-35. doi: 10.1111/j.1365-2958.2010.07200.x. Epub 2010 May 19.


The chemical-in-plug bacterial chemotaxis assay is prone to false positive responses.

Li J, Go AC, Ward MJ, Ottemann KM.

BMC Res Notes. 2010 Mar 16;3(1):77. doi: 10.1186/1756-0500-3-77.


Functional analysis of the Helicobacter pylori flagellar switch proteins.

Lowenthal AC, Hill M, Sycuro LK, Mehmood K, Salama NR, Ottemann KM.

J Bacteriol. 2009 Dec;191(23):7147-56. doi: 10.1128/JB.00749-09. Epub 2009 Sep 18.


A fixed-time diffusion analysis method determines that the three cheV genes of Helicobacter pylori differentially affect motility.

Lowenthal AC, Simon C, Fair AS, Mehmood K, Terry K, Anastasia S, Ottemann KM.

Microbiology. 2009 Apr;155(Pt 4):1181-1191. doi: 10.1099/mic.0.021857-0.


The complete genome sequence of Helicobacter pylori strain G27.

Baltrus DA, Amieva MR, Covacci A, Lowe TM, Merrell DS, Ottemann KM, Stein M, Salama NR, Guillemin K.

J Bacteriol. 2009 Jan;191(1):447-8. doi: 10.1128/JB.01416-08. Epub 2008 Oct 24.


Recombination-based in vivo expression technology identifies Helicobacter pylori genes important for host colonization.

Castillo AR, Woodruff AJ, Connolly LE, Sause WE, Ottemann KM.

Infect Immun. 2008 Dec;76(12):5632-44. doi: 10.1128/IAI.00627-08. Epub 2008 Sep 15. Erratum in: Infect Immun. 2010 Nov;78(11):4967.


Helicobacter pylori chemotaxis modulates inflammation and bacterium-gastric epithelium interactions in infected mice.

Williams SM, Chen YT, Andermann TM, Carter JE, McGee DJ, Ottemann KM.

Infect Immun. 2007 Aug;75(8):3747-57. Epub 2007 May 21.


Proteomic mapping of a suppressor of non-chemotactic cheW mutants reveals that Helicobacter pylori contains a new chemotaxis protein.

Terry K, Go AC, Ottemann KM.

Mol Microbiol. 2006 Aug;61(4):871-82. Erratum in: Mol Microbiol. 2006 Nov;62(4):1215.


Colonization and inflammation deficiencies in Mongolian gerbils infected by Helicobacter pylori chemotaxis mutants.

McGee DJ, Langford ML, Watson EL, Carter JE, Chen YT, Ottemann KM.

Infect Immun. 2005 Mar;73(3):1820-7.


Chemotaxis plays multiple roles during Helicobacter pylori animal infection.

Terry K, Williams SM, Connolly L, Ottemann KM.

Infect Immun. 2005 Feb;73(2):803-11.


Two predicted chemoreceptors of Helicobacter pylori promote stomach infection.

Andermann TM, Chen YT, Ottemann KM.

Infect Immun. 2002 Oct;70(10):5877-81.


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