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A Novel Mathematical Model for Studying Antimicrobial Interactions Against Campylobacter jejuni.

Hakeem MJ, Asseri KA, Ma L, Chou KC, Konkel ME, Lu X.

Front Microbiol. 2019 May 14;10:1038. doi: 10.3389/fmicb.2019.01038. eCollection 2019.


Campylobacter jejuni Demonstrates Conserved Proteomic and Transcriptomic Responses When Co-cultured With Human INT 407 and Caco-2 Epithelial Cells.

Negretti NM, Clair G, Talukdar PK, Gourley CR, Huynh S, Adkins JN, Parker CT, Corneau CM, Konkel ME.

Front Microbiol. 2019 Apr 11;10:755. doi: 10.3389/fmicb.2019.00755. eCollection 2019.


Whole Transcriptome Sequencing Analysis of the Synergistic Antimicrobial Effect of Metal Oxide Nanoparticles and Ajoene on Campylobacter jejuni.

Xue R, Feng J, Ma L, Liu C, Xian M, Konkel ME, Wang S, Lu X.

Front Microbiol. 2018 Aug 31;9:2074. doi: 10.3389/fmicb.2018.02074. eCollection 2018.


Environmental Stress-Induced Bacterial Lysis and Extracellular DNA Release Contribute to Campylobacter jejuni Biofilm Formation.

Feng J, Ma L, Nie J, Konkel ME, Lu X.

Appl Environ Microbiol. 2018 Feb 14;84(5). pii: e02068-17. doi: 10.1128/AEM.02068-17. Print 2018 Mar 1.


The food-borne pathogen Campylobacter jejuni responds to the bile salt deoxycholate with countermeasures to reactive oxygen species.

Negretti NM, Gourley CR, Clair G, Adkins JN, Konkel ME.

Sci Rep. 2017 Nov 13;7(1):15455. doi: 10.1038/s41598-017-15379-5.


The food-borne pathogen Campylobacter jejuni depends on the AddAB DNA repair system to defend against bile in the intestinal environment.

Gourley CR, Negretti NM, Konkel ME.

Sci Rep. 2017 Oct 31;7(1):14777. doi: 10.1038/s41598-017-14646-9.


Energy-dense diet triggers changes in gut microbiota, reorganization of gut‑brain vagal communication and increases body fat accumulation.

Vaughn AC, Cooper EM, DiLorenzo PM, O'Loughlin LJ, Konkel ME, Peters JH, Hajnal A, Sen T, Lee SH, de La Serre CB, Czaja K.

Acta Neurobiol Exp (Wars). 2017;77(1):18-30.


MPLEx: a method for simultaneous pathogen inactivation and extraction of samples for multi-omics profiling.

Burnum-Johnson KE, Kyle JE, Eisfeld AJ, Casey CP, Stratton KG, Gonzalez JF, Habyarimana F, Negretti NM, Sims AC, Chauhan S, Thackray LB, Halfmann PJ, Walters KB, Kim YM, Zink EM, Nicora CD, Weitz KK, Webb-Robertson BM, Nakayasu ES, Ahmer B, Konkel ME, Motin V, Baric RS, Diamond MS, Kawaoka Y, Waters KM, Smith RD, Metz TO.

Analyst. 2017 Jan 26;142(3):442-448. doi: 10.1039/c6an02486f.


Methods to Study Campylobacter jejuni Adherence to and Invasion of Host Epithelial Cells.

Negretti NM, Konkel ME.

Methods Mol Biol. 2017;1512:117-127.


The Intestinal Microbiota Influences Campylobacter jejuni Colonization and Extraintestinal Dissemination in Mice.

O'Loughlin JL, Samuelson DR, Braundmeier-Fleming AG, White BA, Haldorson GJ, Stone JB, Lessmann JJ, Eucker TP, Konkel ME.

Appl Environ Microbiol. 2015 Jul;81(14):4642-50. doi: 10.1128/AEM.00281-15. Epub 2015 May 1.


Analysis of the Campylobacter jejuni genome by SMRT DNA sequencing identifies restriction-modification motifs.

O'Loughlin JL, Eucker TP, Chavez JD, Samuelson DR, Neal-McKinney J, Gourley CR, Bruce JE, Konkel ME.

PLoS One. 2015 Feb 19;10(2):e0118533. doi: 10.1371/journal.pone.0118533. eCollection 2015.


Reducing Campylobacter jejuni colonization of poultry via vaccination.

Neal-McKinney JM, Samuelson DR, Eucker TP, Nissen MS, Crespo R, Konkel ME.

PLoS One. 2014 Dec 4;9(12):e114254. doi: 10.1371/journal.pone.0114254. eCollection 2014.


The focal complex of epithelial cells provides a signalling platform for interleukin-8 induction in response to bacterial pathogens.

Eucker TP, Samuelson DR, Hunzicker-Dunn M, Konkel ME.

Cell Microbiol. 2014 Sep;16(9):1441-55. doi: 10.1111/cmi.12305. Epub 2014 Jun 2.


Invasion of epithelial cells by Campylobacter jejuni is independent of caveolae.

Konkel ME, Samuelson DR, Eucker TP, Shelden EA, O'Loughlin JL.

Cell Commun Signal. 2013 Dec 23;11:100. doi: 10.1186/1478-811X-11-100.


Serine phosphorylation of cortactin is required for maximal host cell invasion by Campylobacter jejuni.

Samuelson DR, Konkel ME.

Cell Commun Signal. 2013 Nov 4;11:82. doi: 10.1186/1478-811X-11-82.


The Campylobacter jejuni CiaD effector protein activates MAP kinase signaling pathways and is required for the development of disease.

Samuelson DR, Eucker TP, Bell JA, Dybas L, Mansfield LS, Konkel ME.

Cell Commun Signal. 2013 Oct 21;11:79. doi: 10.1186/1478-811X-11-79.


The fibronectin-binding motif within FlpA facilitates Campylobacter jejuni adherence to host cell and activation of host cell signaling.

Larson CL, Samuelson DR, Eucker TP, O'Loughlin JL, Konkel ME.

Emerg Microbes Infect. 2013 Oct;2(10):e65. doi: 10.1038/emi.2013.65. Epub 2013 Oct 9.


Capsaicin-sensitive vagal afferent neurons contribute to the detection of pathogenic bacterial colonization in the gut.

Riley TP, Neal-McKinney JM, Buelow DR, Konkel ME, Simasko SM.

J Neuroimmunol. 2013 Apr 15;257(1-2):36-45. doi: 10.1016/j.jneuroim.2013.01.009. Epub 2013 Mar 5.


Detecting and tracking nosocomial methicillin-resistant Staphylococcus aureus using a microfluidic SERS biosensor.

Lu X, Samuelson DR, Xu Y, Zhang H, Wang S, Rasco BA, Xu J, Konkel ME.

Anal Chem. 2013 Feb 19;85(4):2320-7. doi: 10.1021/ac303279u. Epub 2013 Feb 1.


Production of organic acids by probiotic lactobacilli can be used to reduce pathogen load in poultry.

Neal-McKinney JM, Lu X, Duong T, Larson CL, Call DR, Shah DH, Konkel ME.

PLoS One. 2012;7(9):e43928. doi: 10.1371/journal.pone.0043928. Epub 2012 Sep 4.


The Campylobacter jejuni CiaC virulence protein is secreted from the flagellum and delivered to the cytosol of host cells.

Neal-McKinney JM, Konkel ME.

Front Cell Infect Microbiol. 2012 Mar 20;2:31. doi: 10.3389/fcimb.2012.00031. eCollection 2012.


Comprehensive detection and discrimination of Campylobacter species by use of confocal micro-Raman spectroscopy and multilocus sequence typing.

Lu X, Huang Q, Miller WG, Aston DE, Xu J, Xue F, Zhang H, Rasco BA, Wang S, Konkel ME.

J Clin Microbiol. 2012 Sep;50(9):2932-46. doi: 10.1128/JCM.01144-12. Epub 2012 Jun 27.


Examination of nanoparticle inactivation of Campylobacter jejuni biofilms using infrared and Raman spectroscopies.

Lu X, Weakley AT, Aston DE, Rasco BA, Wang S, Konkel ME.

J Appl Microbiol. 2012 Oct;113(4):952-63. doi: 10.1111/j.1365-2672.2012.05373.x. Epub 2012 Jul 25.


Quantification of the relative roles of niche and neutral processes in structuring gastrointestinal microbiomes.

Jeraldo P, Sipos M, Chia N, Brulc JM, Dhillon AS, Konkel ME, Larson CL, Nelson KE, Qu A, Schook LB, Yang F, White BA, Goldenfeld N.

Proc Natl Acad Sci U S A. 2012 Jun 19;109(25):9692-8. doi: 10.1073/pnas.1206721109. Epub 2012 May 21.


Antimicrobial effect of diallyl sulphide on Campylobacter jejuni biofilms.

Lu X, Samuelson DR, Rasco BA, Konkel ME.

J Antimicrob Chemother. 2012 Aug;67(8):1915-26. doi: 10.1093/jac/dks138. Epub 2012 May 1.


Identification of potential type III secretion proteins via heterologous expression of Vibrio parahaemolyticus DNA.

Zhou X, Nydam SD, Christensen JE, Konkel ME, Orfe L, Friel P, Call DR.

Appl Environ Microbiol. 2012 May;78(9):3492-4. doi: 10.1128/AEM.07977-11. Epub 2012 Mar 2.


Infrared and Raman spectroscopic studies of the antimicrobial effects of garlic concentrates and diallyl constituents on foodborne pathogens.

Lu X, Rasco BA, Kang DH, Jabal JM, Aston DE, Konkel ME.

Anal Chem. 2011 Jun 1;83(11):4137-46. doi: 10.1021/ac2001498. Epub 2011 May 9.


Campylobacter jejuni survival within human epithelial cells is enhanced by the secreted protein CiaI.

Buelow DR, Christensen JE, Neal-McKinney JM, Konkel ME.

Mol Microbiol. 2011 Jun;80(5):1296-312. doi: 10.1111/j.1365-2958.2011.07645.x. Epub 2011 Apr 11.


Robust computational analysis of rRNA hypervariable tag datasets.

Sipos M, Jeraldo P, Chia N, Qu A, Dhillon AS, Konkel ME, Nelson KE, White BA, Goldenfeld N.

PLoS One. 2010 Dec 31;5(12):e15220. doi: 10.1371/journal.pone.0015220.


Amino-terminal residues dictate the export efficiency of the Campylobacter jejuni filament proteins via the flagellum.

Neal-McKinney JM, Christensen JE, Konkel ME.

Mol Microbiol. 2010 May;76(4):918-31. doi: 10.1111/j.1365-2958.2010.07144.x. Epub 2010 Apr 1.


Campylobacter jejuni FlpA binds fibronectin and is required for maximal host cell adherence.

Konkel ME, Larson CL, Flanagan RC.

J Bacteriol. 2010 Jan;192(1):68-76. doi: 10.1128/JB.00969-09.


Identification of a Campylobacter jejuni-secreted protein required for maximal invasion of host cells.

Christensen JE, Pacheco SA, Konkel ME.

Mol Microbiol. 2009 Aug;73(4):650-62. doi: 10.1111/j.1365-2958.2009.06797.x. Epub 2009 Jul 14.


Examination of Campylobacter jejuni putative adhesins leads to the identification of a new protein, designated FlpA, required for chicken colonization.

Flanagan RC, Neal-McKinney JM, Dhillon AS, Miller WG, Konkel ME.

Infect Immun. 2009 Jun;77(6):2399-407. doi: 10.1128/IAI.01266-08. Epub 2009 Apr 6.


Type III secretion system 1 of Vibrio parahaemolyticus induces oncosis in both epithelial and monocytic cell lines.

Zhou X, Konkel ME, Call DR.

Microbiology. 2009 Mar;155(Pt 3):837-51. doi: 10.1099/mic.0.024919-0.


Hsp27 is persistently expressed in zebrafish skeletal and cardiac muscle tissues but dispensable for their morphogenesis.

Tucker NR, Ustyugov A, Bryantsev AL, Konkel ME, Shelden EA.

Cell Stress Chaperones. 2009 Sep;14(5):521-33. doi: 10.1007/s12192-009-0105-1. Epub 2009 Feb 24.


Campylobacter jejuni invade chicken LMH cells inefficiently and stimulate differential expression of the chicken CXCLi1 and CXCLi2 cytokines.

Larson CL, Shah DH, Dhillon AS, Call DR, Ahn S, Haldorson GJ, Davitt C, Konkel ME.

Microbiology. 2008 Dec;154(Pt 12):3835-47. doi: 10.1099/mic.0.2008/021279-0.


Identification of Campylobacter jejuni proteins recognized by maternal antibodies of chickens.

Shoaf-Sweeney KD, Larson CL, Tang X, Konkel ME.

Appl Environ Microbiol. 2008 Nov;74(22):6867-75. doi: 10.1128/AEM.01097-08. Epub 2008 Sep 19.


Comparative metagenomics reveals host specific metavirulomes and horizontal gene transfer elements in the chicken cecum microbiome.

Qu A, Brulc JM, Wilson MK, Law BF, Theoret JR, Joens LA, Konkel ME, Angly F, Dinsdale EA, Edwards RA, Nelson KE, White BA.

PLoS One. 2008 Aug 13;3(8):e2945. doi: 10.1371/journal.pone.0002945.


Type III secretion system 1 genes in Vibrio parahaemolyticus are positively regulated by ExsA and negatively regulated by ExsD.

Zhou X, Shah DH, Konkel ME, Call DR.

Mol Microbiol. 2008 Aug;69(3):747-64. doi: 10.1111/j.1365-2958.2008.06326.x. Epub 2008 Jun 28.


Culture of Campylobacter jejuni with sodium deoxycholate induces virulence gene expression.

Malik-Kale P, Parker CT, Konkel ME.

J Bacteriol. 2008 Apr;190(7):2286-97. doi: 10.1128/JB.01736-07. Epub 2008 Jan 25.


Expression patterns and role of the CadF protein in Campylobacter jejuni and Campylobacter coli.

Krause-Gruszczynska M, van Alphen LB, Oyarzabal OA, Alter T, Hänel I, Schliephake A, König W, van Putten JP, Konkel ME, Backert S.

FEMS Microbiol Lett. 2007 Sep;274(1):9-16. Epub 2007 Jun 15.


Role of the small Rho GTPases Rac1 and Cdc42 in host cell invasion of Campylobacter jejuni.

Krause-Gruszczynska M, Rohde M, Hartig R, Genth H, Schmidt G, Keo T, König W, Miller WG, Konkel ME, Backert S.

Cell Microbiol. 2007 Oct;9(10):2431-44. Epub 2007 May 23.


Characterization of genetically matched isolates of Campylobacter jejuni reveals that mutations in genes involved in flagellar biosynthesis alter the organism's virulence potential.

Malik-Kale P, Raphael BH, Parker CT, Joens LA, Klena JD, Quiñones B, Keech AM, Konkel ME.

Appl Environ Microbiol. 2007 May;73(10):3123-36. Epub 2007 Mar 16.

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