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Complex Multilevel Control of Hemolysin Production by Uropathogenic Escherichia coli.

Nhu NTK, Phan MD, Forde BM, Murthy AMV, Peters KM, Day CJ, Poole J, Kidd TJ, Welch RA, Jennings MP, Ulett GC, Sweet MJ, Beatson SA, Schembri MA.

MBio. 2019 Oct 1;10(5). pii: e02248-19. doi: 10.1128/mBio.02248-19.


The Extracellular Domain of the β2 Integrin β Subunit (CD18) Is Sufficient for Escherichia coli Hemolysin and Aggregatibacter actinomycetemcomitans Leukotoxin Cytotoxic Activity.

Ristow LC, Tran V, Schwartz KJ, Pankratz L, Mehle A, Sauer JD, Welch RA.

MBio. 2019 Jul 9;10(4). pii: e01459-19. doi: 10.1128/mBio.01459-19.


Antisense techniques provide robust decrease in GnRH receptor expression with minimal cytotoxicity in GT1-7 cells.

Recanati MA, Du H, Kramer KJ, Hüttemann M, Welch RA.

Syst Biol Reprod Med. 2018 Oct;64(5):389-398. doi: 10.1080/19396368.2018.1499153. Epub 2018 Aug 23.


Identification and Characterization of a Phase-Variable Element That Regulates the Autotransporter UpaE in Uropathogenic Escherichia coli.

Battaglioli EJ, Goh KGK, Atruktsang TS, Schwartz K, Schembri MA, Welch RA.

MBio. 2018 Aug 7;9(4). pii: e01360-18. doi: 10.1128/mBio.01360-18.


Regulation of hemolysin in uropathogenic Escherichia coli fine-tunes killing of human macrophages.

M V Murthy A, Phan MD, Peters KM, Nhu NTK, Welch RA, Ulett GC, Schembri MA, Sweet MJ.

Virulence. 2018 Dec 31;9(1):967-980. doi: 10.1080/21505594.2018.1465786.


Maternal plasma LPCAT 1 mRNA correlates with lamellar body count.

Welch RA, Recanati MA, Welch KC, Shaw MK.

J Perinat Med. 2018 May 24;46(4):429-431. doi: 10.1515/jpm-2017-0057.


Uropathogenic Escherichia coli-Associated Exotoxins.

Welch RA.

Microbiol Spectr. 2016 Jun;4(3). doi: 10.1128/microbiolspec.UTI-0011-2012. Review.


Ethics, Human Use, and the Department of Defense Serum Repository.

Pavlin JA, Welch RA.

Mil Med. 2015 Oct;180(10 Suppl):49-56. doi: 10.7205/MILMED-D-14-00725.


dsdA Does Not Affect Colonization of the Murine Urinary Tract by Escherichia coli CFT073.

Hryckowian AJ, Baisa GA, Schwartz KJ, Welch RA.

PLoS One. 2015 Sep 14;10(9):e0138121. doi: 10.1371/journal.pone.0138121. eCollection 2015.


Hemolysin of uropathogenic Escherichia coli: A cloak or a dagger?

Ristow LC, Welch RA.

Biochim Biophys Acta. 2016 Mar;1858(3):538-45. doi: 10.1016/j.bbamem.2015.08.015. Epub 2015 Aug 20. Review.


Reply: To PMID 25025939.

Gordon GH, Welch RA.

Am J Obstet Gynecol. 2015 Sep;213(3):441. doi: 10.1016/j.ajog.2015.05.054. Epub 2015 May 29. No abstract available.


Amniotic fluid LPCAT1 mRNA correlates with the lamellar body count.

Welch RA, Shaw MK, Welch KC.

J Perinat Med. 2016 Jul 1;44(5):531-2. doi: 10.1515/jpm-2015-0008.


The relationship between primary cesarean delivery skin incision type and wound complications in women with morbid obesity: a response.

Gordon GH, Welch RA.

Am J Obstet Gynecol. 2014 Dec;211(6):709-10. doi: 10.1016/j.ajog.2014.07.010. Epub 2014 Jul 12. No abstract available.


IraL is an RssB anti-adaptor that stabilizes RpoS during logarithmic phase growth in Escherichia coli and Shigella.

Hryckowian AJ, Battesti A, Lemke JJ, Meyer ZC, Welch RA.

MBio. 2014 May 27;5(3):e01043-14. doi: 10.1128/mBio.01043-14.


Tuning the biological activity profile of antibacterial polymers via subunit substitution pattern.

Liu R, Chen X, Chakraborty S, Lemke JJ, Hayouka Z, Chow C, Welch RA, Weisblum B, Masters KS, Gellman SH.

J Am Chem Soc. 2014 Mar 19;136(11):4410-8. doi: 10.1021/ja500367u. Epub 2014 Mar 7.


Effects of Cyclic vs. Acyclic Hydrophobic Subunits on the Chemical Structure and Biological Properties of Nylon-3 Co-Polymers.

Chakraborty S, Liu R, Lemke JJ, Hayouka Z, Welch RA, Weisblum B, Masters KS, Gellman SH.

ACS Macro Lett. 2013 Aug 20;2(8). doi: 10.1021/mz400239r.


Genetic analysis of the role of yfiR in the ability of Escherichia coli CFT073 to control cellular cyclic dimeric GMP levels and to persist in the urinary tract.

Raterman EL, Shapiro DD, Stevens DJ, Schwartz KJ, Welch RA.

Infect Immun. 2013 Sep;81(9):3089-98. doi: 10.1128/IAI.01396-12. Epub 2013 Jun 17.


Chemoreceptors of Escherichia coli CFT073 play redundant roles in chemotaxis toward urine.

Raterman EL, Welch RA.

PLoS One. 2013;8(1):e54133. doi: 10.1371/journal.pone.0054133. Epub 2013 Jan 30.


Characterization of Escherichia coli D-cycloserine transport and resistant mutants.

Baisa G, Stabo NJ, Welch RA.

J Bacteriol. 2013 Apr;195(7):1389-99. doi: 10.1128/JB.01598-12. Epub 2013 Jan 11.


Atypical Shigella boydii 13 encodes virulence factors seen in attaching and effacing Escherichia coli.

Walters LL, Raterman EL, Grys TE, Welch RA.

FEMS Microbiol Lett. 2012 Mar;328(1):20-5. doi: 10.1111/j.1574-6968.2011.02469.x. Epub 2012 Jan 11.


Phase II trial of dasatinib in patients with metastatic breast cancer using real-time pharmacodynamic tissue biomarkers of Src inhibition to escalate dosing.

Herold CI, Chadaram V, Peterson BL, Marcom PK, Hopkins J, Kimmick GG, Favaro J, Hamilton E, Welch RA, Bacus S, Blackwell KL.

Clin Cancer Res. 2011 Sep 15;17(18):6061-70. doi: 10.1158/1078-0432.CCR-11-1071. Epub 2011 Aug 2.


Isolation of generalized transducing bacteriophages for uropathogenic strains of Escherichia coli.

Battaglioli EJ, Baisa GA, Weeks AE, Schroll RA, Hryckowian AJ, Welch RA.

Appl Environ Microbiol. 2011 Sep;77(18):6630-5. doi: 10.1128/AEM.05307-11. Epub 2011 Jul 22.


Lack of association between the Tlr4 (Lpsd/Lpsd) genotype and increased susceptibility to Escherichia coli bladder infections in female C3H/HeJ mice.

Suhs KA, Marthaler BR, Welch RA, Hopkins WJ.

MBio. 2011 May 31;2(3):e00094-11. doi: 10.1128/mBio.00094-11. Print 2011.


TagA is a secreted protease of Vibrio cholerae that specifically cleaves mucin glycoproteins.

Szabady RL, Yanta JH, Halladin DK, Schofield MJ, Welch RA.

Microbiology. 2011 Feb;157(Pt 2):516-25. doi: 10.1099/mic.0.044529-0. Epub 2010 Oct 21.


Modulation of neutrophil function by a secreted mucinase of Escherichia coli O157:H7.

Szabady RL, Lokuta MA, Walters KB, Huttenlocher A, Welch RA.

PLoS Pathog. 2009 Feb;5(2):e1000320. doi: 10.1371/journal.ppat.1000320. Epub 2009 Feb 27.


Improving patient safety and uniformity of care by a standardized regimen for the use of oxytocin.

Welch RA.

Am J Obstet Gynecol. 2009 Apr;200(4):e16; author reply e16. doi: 10.1016/j.ajog.2008.08.023. Epub 2008 Dec 13. No abstract available.


Uropathogenic Escherichia coli CFT073 is adapted to acetatogenic growth but does not require acetate during murine urinary tract infection.

Anfora AT, Halladin DK, Haugen BJ, Welch RA.

Infect Immun. 2008 Dec;76(12):5760-7. doi: 10.1128/IAI.00618-08. Epub 2008 Oct 6.


Validation of the performance of a comprehensive genotyping assay panel of single nucleotide polymorphisms in drug metabolism enzyme genes.

Welch RA, Lazaruk K, Haque KA, Hyland F, Xiao N, Wronka L, Burdett L, Chanock SJ, Ingber D, De La Vega FM, Yeager M.

Hum Mutat. 2008 May;29(5):750-6. doi: 10.1002/humu.20703.


Roles of serine accumulation and catabolism in the colonization of the murine urinary tract by Escherichia coli CFT073.

Anfora AT, Haugen BJ, Roesch P, Redford P, Welch RA.

Infect Immun. 2007 Nov;75(11):5298-304. Epub 2007 Sep 4.


Whole-genome amplification of oral rinse self-collected DNA in a population-based case-control study of breast cancer.

Liang X, Trentham-Dietz A, Titus-Ernstoff L, Newcomb PA, Welch RA, Hutchinson AA, Hampton JM, Sutcliffe CB, Haines JL, Egan KM.

Cancer Epidemiol Biomarkers Prev. 2007 Aug;16(8):1610-4.


Role of the lipopolysaccharide-CD14 complex for the activity of hemolysin from uropathogenic Escherichia coli.

Månsson LE, Kjäll P, Pellett S, Nagy G, Welch RA, Bäckhed F, Frisan T, Richter-Dahlfors A.

Infect Immun. 2007 Feb;75(2):997-1004. Epub 2006 Nov 13.


In vivo gene expression analysis identifies genes required for enhanced colonization of the mouse urinary tract by uropathogenic Escherichia coli strain CFT073 dsdA.

Haugen BJ, Pellett S, Redford P, Hamilton HL, Roesch PL, Welch RA.

Infect Immun. 2007 Jan;75(1):278-89. Epub 2006 Oct 30.


Role of sigma E-regulated genes in Escherichia coli uropathogenesis.

Redford P, Welch RA.

Infect Immun. 2006 Jul;74(7):4030-8.


Characterization of the StcE protease activity of Escherichia coli O157:H7.

Grys TE, Walters LL, Welch RA.

J Bacteriol. 2006 Jul;188(13):4646-53.


Regulation of type 1 fimbriae by unlinked FimB- and FimE-like recombinases in uropathogenic Escherichia coli strain CFT073.

Bryan A, Roesch P, Davis L, Moritz R, Pellett S, Welch RA.

Infect Immun. 2006 Feb;74(2):1072-83.


Operator experience and sample quality in genetic amniocentesis.

Welch RA, Salem-Elgharib S, Wiktor AE, Van Dyke DL, Blessed WB.

Am J Obstet Gynecol. 2006 Jan;194(1):189-91.


The Escherichia coli Hemolysin.

Welch RA.

EcoSal Plus. 2005 Nov;1(2). doi: 10.1128/ecosalplus.8.7.2.


Coordinate expression of fimbriae in uropathogenic Escherichia coli.

Snyder JA, Haugen BJ, Lockatell CV, Maroncle N, Hagan EC, Johnson DE, Welch RA, Mobley HL.

Infect Immun. 2005 Nov;73(11):7588-96.


A long-term comparison of plication configurations for endoluminal gastroplication: circumferential versus helical.

Davis RE, Iqbal A, Gerhardt JD, Welch RA, Turaga K, Tierney B, Haider M, Filipi CJ.

J Clin Gastroenterol. 2005 Nov-Dec;39(10):869-76.


Effects of DNA mass on multiple displacement whole genome amplification and genotyping performance.

Bergen AW, Qi Y, Haque KA, Welch RA, Chanock SJ.

BMC Biotechnol. 2005 Sep 16;5:24.


Association of multiple DRD2 polymorphisms with anorexia nervosa.

Bergen AW, Yeager M, Welch RA, Haque K, Ganjei JK, van den Bree MB, Mazzanti C, Nardi I, Fichter MM, Halmi KA, Kaplan AS, Strober M, Treasure J, Woodside DB, Bulik CM, Bacanu SA, Devlin B, Berrettini WH, Goldman D, Kaye WH.

Neuropsychopharmacology. 2005 Sep;30(9):1703-10.


Effects of electron-beam irradiation on whole genome amplification.

Bergen AW, Qi Y, Haque KA, Welch RA, Garcia-Closas M, Chanock SJ, Vaught J, Castle PE.

Cancer Epidemiol Biomarkers Prev. 2005 Apr;14(4):1016-9.


Single nucleotide polymorphism genotyping by two colour melting curve analysis using the MGB Eclipse Probe System in challenging sequence environment.

Belousov YS, Welch RA, Sanders S, Mills A, Kulchenko A, Dempcy R, Afonina IA, Walburger DK, Glaser CL, Yadavalli S, Vermeulen NM, Mahoney W.

Hum Genomics. 2004 Mar;1(3):209-17.


Inhibition of plasma kallikrein by C1-inhibitor: role of endothelial cells and the amino-terminal domain of C1-inhibitor.

Ravindran S, Grys TE, Welch RA, Schapira M, Patston PA.

Thromb Haemost. 2004 Dec;92(6):1277-83.


Transcriptome of uropathogenic Escherichia coli during urinary tract infection.

Snyder JA, Haugen BJ, Buckles EL, Lockatell CV, Johnson DE, Donnenberg MS, Welch RA, Mobley HL.

Infect Immun. 2004 Nov;72(11):6373-81.


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