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Enterococcus faecalis Enhances Expression and Activity of the Enterohemorrhagic Escherichia coli Type III Secretion System.

Cameron EA, Sperandio V, Dunny GM.

MBio. 2019 Nov 19;10(6). pii: e02547-19. doi: 10.1128/mBio.02547-19.


Vancomycin-resistance gene cluster, vanC, in the gut microbiome of acute leukemia patients undergoing intensive chemotherapy.

Rashidi A, Zhu Z, Kaiser T, Manias DA, Holtan SG, Rehman TU, Weisdorf DJ, Khoruts A, Dunny GM, Staley C.

PLoS One. 2019 Oct 10;14(10):e0223890. doi: 10.1371/journal.pone.0223890. eCollection 2019.


Exploiting biofilm phenotypes for functional characterization of hypothetical genes in Enterococcus faecalis.

Willett JLE, Ji MM, Dunny GM.

NPJ Biofilms Microbiomes. 2019 Sep 19;5:23. doi: 10.1038/s41522-019-0099-0. eCollection 2019.


Early E. casseliflavus gut colonization and outcomes of allogeneic hematopoietic cell transplantation.

Rashidi A, Ebadi M, Shields-Cutler RR, Kruziki K, Manias DA, Barnes AMT, DeFor TE, Ferrieri P, Young JH, Knights D, Blazar BR, Weisdorf DJ, Dunny GM.

PLoS One. 2019 Aug 8;14(8):e0220850. doi: 10.1371/journal.pone.0220850. eCollection 2019.


A new flavor of entry exclusion in ICE elements provides a selective advantage for the element and its host.

Dunny GM, Hirt H.

Mol Microbiol. 2019 Oct;112(4):1061-1065. doi: 10.1111/mmi.14342. Epub 2019 Jul 16.


Effects of endogenous levels of master regulator PrgX and peptide pheromones on inducibility of conjugation in the enterococcal pCF10 system.

Erickson RJB, Manias DA, Hu WS, Dunny GM.

Mol Microbiol. 2019 Sep;112(3):1010-1023. doi: 10.1111/mmi.14339. Epub 2019 Jul 18.


Correction for Keogh et al., "Extracellular Electron Transfer Powers Enterococcus faecalis Biofilm Metabolism".

Keogh D, Lam LN, Doyle LE, Matysik A, Pavagadhi S, Umashankar S, Low PM, Dale JL, Song Y, Ng SP, Boothroyd CB, Dunny GM, Swarup S, Williams RBH, Marsili E, Kline KA.

MBio. 2019 Jun 18;10(3). pii: e01080-19. doi: 10.1128/mBio.01080-19. No abstract available.


Role of epaQ, a Previously Uncharacterized Enterococcus faecalis Gene, in Biofilm Development and Antimicrobial Resistance.

Korir ML, Dale JL, Dunny GM.

J Bacteriol. 2019 Aug 22;201(18). pii: e00078-19. doi: 10.1128/JB.00078-19. Print 2019 Sep 15.


Microbiota and Pathogen Proteases Modulate Type III Secretion Activity in Enterohemorrhagic Escherichia coli.

Cameron EA, Curtis MM, Kumar A, Dunny GM, Sperandio V.

MBio. 2018 Dec 4;9(6). pii: e02204-18. doi: 10.1128/mBio.02204-18.


Engineered E. coli Nissle 1917 for the reduction of vancomycin-resistant Enterococcus in the intestinal tract.

Geldart KG, Kommineni S, Forbes M, Hayward M, Dunny GM, Salzman NH, Kaznessis YN.

Bioeng Transl Med. 2018 Sep 8;3(3):197-208. doi: 10.1002/btm2.10107. eCollection 2018 Sep.


Comprehensive Functional Analysis of the Enterococcus faecalis Core Genome Using an Ordered, Sequence-Defined Collection of Insertional Mutations in Strain OG1RF.

Dale JL, Beckman KB, Willett JLE, Nilson JL, Palani NP, Baller JA, Hauge A, Gohl DM, Erickson R, Manias DA, Sadowsky MJ, Dunny GM.

mSystems. 2018 Sep 11;3(5). pii: e00062-18. doi: 10.1128/mSystems.00062-18. eCollection 2018 Sep-Oct.


Expression of Adhesive Pili and the Collagen-Binding Adhesin Ace Is Activated by ArgR Family Transcription Factors in Enterococcus faecalis.

Manias DA, Dunny GM.

J Bacteriol. 2018 Aug 24;200(18). pii: e00269-18. doi: 10.1128/JB.00269-18. Print 2018 Sep 15.


Extracellular Electron Transfer Powers Enterococcus faecalis Biofilm Metabolism.

Keogh D, Lam LN, Doyle LE, Matysik A, Pavagadhi S, Umashankar S, Low PM, Dale JL, Song Y, Ng SP, Boothroyd CB, Dunny GM, Swarup S, Williams RBH, Marsili E, Kline KA.

MBio. 2018 Apr 10;9(2). pii: e00626-17. doi: 10.1128/mBio.00626-17. Erratum in: MBio. 2019 Jun 18;10(3):.


Enterococcus faecalis Sex Pheromone cCF10 Enhances Conjugative Plasmid Transfer In Vivo.

Hirt H, Greenwood-Quaintance KE, Karau MJ, Till LM, Kashyap PC, Patel R, Dunny GM.

MBio. 2018 Feb 13;9(1). pii: e00037-18. doi: 10.1128/mBio.00037-18.


Mechanistic Features of the Enterococcal pCF10 Sex Pheromone Response and the Biology of Enterococcus faecalis in Its Natural Habitat.

Breuer RJ, Hirt H, Dunny GM.

J Bacteriol. 2018 Jun 25;200(14). pii: e00733-17. doi: 10.1128/JB.00733-17. Print 2018 Jul 15. Review.


Pretransplant Gut Colonization with Intrinsically Vancomycin-Resistant Enterococci (E. gallinarum and E. casseliflavus) and Outcomes of Allogeneic Hematopoietic Cell Transplantation.

Rashidi A, Ebadi M, Shields-Cutler RR, DeFor TE, Al-Ghalith GA, Ferrieri P, Young JH, Dunny GM, Knights D, Weisdorf DJ.

Biol Blood Marrow Transplant. 2018 Jun;24(6):1260-1263. doi: 10.1016/j.bbmt.2018.01.025. Epub 2018 Jan 31.


Restructuring of Enterococcus faecalis biofilm architecture in response to antibiotic-induced stress.

Dale JL, Nilson JL, Barnes AMT, Dunny GM.

NPJ Biofilms Microbiomes. 2017 Jun 30;3:15. doi: 10.1038/s41522-017-0023-4. eCollection 2017.


Stochasticity in the enterococcal sex pheromone response revealed by quantitative analysis of transcription in single cells.

Breuer RJ, Bandyopadhyay A, O'Brien SA, Barnes AMT, Hunter RC, Hu WS, Dunny GM.

PLoS Genet. 2017 Jul 3;13(7):e1006878. doi: 10.1371/journal.pgen.1006878. eCollection 2017 Jul.


Mechanisms of peptide sex pheromone regulation of conjugation in Enterococcus faecalis.

Chen Y, Bandyopadhyay A, Kozlowicz BK, Haemig HAH, Tai A, Hu WS, Dunny GM.

Microbiologyopen. 2017 Aug;6(4). doi: 10.1002/mbo3.492. Epub 2017 May 19.


Examination of Enterococcus faecalis Toxin-Antitoxin System Toxin Fst Function Utilizing a Pheromone-Inducible Expression Vector with Tight Repression and Broad Dynamic Range.

Weaver KE, Chen Y, Miiller EM, Johnson JN, Dangler AA, Manias DA, Clem AM, Schjodt DJ, Dunny GM.

J Bacteriol. 2017 May 25;199(12). pii: e00065-17. doi: 10.1128/JB.00065-17. Print 2017 Jun 15.


PrgU: a suppressor of sex pheromone toxicity in Enterococcus faecalis.

Bhatty M, Camacho MI, Gonzalez-Rivera C, Frank KL, Dale JL, Manias DA, Dunny GM, Christie PJ.

Mol Microbiol. 2017 Feb;103(3):398-412. doi: 10.1111/mmi.13563. Epub 2016 Dec 16.


Enterococcal Metabolite Cues Facilitate Interspecies Niche Modulation and Polymicrobial Infection.

Keogh D, Tay WH, Ho YY, Dale JL, Chen S, Umashankar S, Williams RBH, Chen SL, Dunny GM, Kline KA.

Cell Host Microbe. 2016 Oct 12;20(4):493-503. doi: 10.1016/j.chom.2016.09.004.


Enterococcus faecalis readily colonizes the entire gastrointestinal tract and forms biofilms in a germ-free mouse model.

Barnes AMT, Dale JL, Chen Y, Manias DA, Greenwood Quaintance KE, Karau MK, Kashyap PC, Patel R, Wells CL, Dunny GM.

Virulence. 2017 Apr 3;8(3):282-296. doi: 10.1080/21505594.2016.1208890. Epub 2016 Aug 25.


Antagonistic Donor Density Effect Conserved in Multiple Enterococcal Conjugative Plasmids.

Bandyopadhyay A, O'Brien S, Frank KL, Dunny GM, Hu WS.

Appl Environ Microbiol. 2016 Jul 15;82(15):4537-45. doi: 10.1128/AEM.00363-16. Print 2016 Aug 1.


Enterococcal Sex Pheromones: Evolutionary Pathways to Complex, Two-Signal Systems.

Dunny GM, Berntsson RP.

J Bacteriol. 2016 May 13;198(11):1556-1562. doi: 10.1128/JB.00128-16. Print 2016 Jun 1. Review.


The Influence of Biofilms in the Biology of Plasmids.

Cook LC, Dunny GM.

Microbiol Spectr. 2014 Oct;2(5). doi: 10.1128/microbiolspec.PLAS-0012-2013. Review.


Evaluation of the Enterococcus faecalis Biofilm-Associated Virulence Factors AhrC and Eep in Rat Foreign Body Osteomyelitis and In Vitro Biofilm-Associated Antimicrobial Resistance.

Frank KL, Vergidis P, Brinkman CL, Greenwood Quaintance KE, Barnes AM, Mandrekar JN, Schlievert PM, Dunny GM, Patel R.

PLoS One. 2015 Jun 15;10(6):e0130187. doi: 10.1371/journal.pone.0130187. eCollection 2015.


Multiple roles for Enterococcus faecalis glycosyltransferases in biofilm-associated antibiotic resistance, cell envelope integrity, and conjugative transfer.

Dale JL, Cagnazzo J, Phan CQ, Barnes AM, Dunny GM.

Antimicrob Agents Chemother. 2015 Jul;59(7):4094-105. doi: 10.1128/AAC.00344-15. Epub 2015 Apr 27.


Transcriptome analysis of Enterococcus faecalis during mammalian infection shows cells undergo adaptation and exist in a stringent response state.

Frank KL, Colomer-Winter C, Grindle SM, Lemos JA, Schlievert PM, Dunny GM.

PLoS One. 2014 Dec 29;9(12):e115839. doi: 10.1371/journal.pone.0115839. eCollection 2014.


Enterococcus faecalis pCF10-encoded surface proteins PrgA, PrgB (aggregation substance) and PrgC contribute to plasmid transfer, biofilm formation and virulence.

Bhatty M, Cruz MR, Frank KL, Gomez JA, Andrade F, Garsin DA, Dunny GM, Kaplan HB, Christie PJ.

Mol Microbiol. 2015 Feb;95(4):660-77. doi: 10.1111/mmi.12893. Epub 2014 Dec 30.


The influence of biofilms in the biology of plasmids.

Cook LC, Dunny GM.

Microbiol Spectr. 2014 Oct 10;2(5):0012.


Enterococcus faecalis 6-phosphogluconolactonase is required for both commensal and pathogenic interactions with Manduca sexta.

Holt JF, Kiedrowski MR, Frank KL, Du J, Guan C, Broderick NA, Dunny GM, Handelsman J.

Infect Immun. 2015 Jan;83(1):396-404. doi: 10.1128/IAI.02442-14. Epub 2014 Nov 10.


A widely used in vitro biofilm assay has questionable clinical significance for enterococcal endocarditis.

Leuck AM, Johnson JR, Dunny GM.

PLoS One. 2014 Sep 25;9(9):e107282. doi: 10.1371/journal.pone.0107282. eCollection 2014.


Modified lactic acid bacteria detect and inhibit multiresistant enterococci.

Borrero J, Chen Y, Dunny GM, Kaznessis YN.

ACS Synth Biol. 2015 Mar 20;4(3):299-306. doi: 10.1021/sb500090b. Epub 2014 Jun 16.


Enterococcal Biofilm Structure and Role in Colonization and Disease.

Dunny GM, Hancock LE, Shankar N.

In: Gilmore MS, Clewell DB, Ike Y, Shankar N, editors. Enterococci: From Commensals to Leading Causes of Drug Resistant Infection [Internet]. Boston: Massachusetts Eye and Ear Infirmary; 2014-.
2014 Feb 14.


Extrachromosomal and Mobile Elements in Enterococci: Transmission, Maintenance, and Epidemiology.

Clewell DB, Weaver KE, Dunny GM, Coque TM, Francia MV, Hayes F.

In: Gilmore MS, Clewell DB, Ike Y, Shankar N, editors. Enterococci: From Commensals to Leading Causes of Drug Resistant Infection [Internet]. Boston: Massachusetts Eye and Ear Infirmary; 2014-.
2014 Feb 9.


Environmental and animal-associated enterococci.

Staley C, Dunny GM, Sadowsky MJ.

Adv Appl Microbiol. 2014;87:147-86. doi: 10.1016/B978-0-12-800261-2.00004-9. Review.


Identification of a conserved branched RNA structure that functions as a factor-independent terminator.

Johnson CM, Chen Y, Lee H, Ke A, Weaver KE, Dunny GM.

Proc Natl Acad Sci U S A. 2014 Mar 4;111(9):3573-8. doi: 10.1073/pnas.1315374111. Epub 2014 Feb 18.


Enterococcal sex pheromones: signaling, social behavior, and evolution.

Dunny GM.

Annu Rev Genet. 2013;47:457-82. doi: 10.1146/annurev-genet-111212-133449. Epub 2013 Sep 11. Review.


Antagonistic self-sensing and mate-sensing signaling controls antibiotic-resistance transfer.

Chatterjee A, Cook LC, Shu CC, Chen Y, Manias DA, Ramkrishna D, Dunny GM, Hu WS.

Proc Natl Acad Sci U S A. 2013 Apr 23;110(17):7086-90. doi: 10.1073/pnas.1212256110. Epub 2013 Apr 8.


AhrC and Eep are biofilm infection-associated virulence factors in Enterococcus faecalis.

Frank KL, Guiton PS, Barnes AM, Manias DA, Chuang-Smith ON, Kohler PL, Spaulding AR, Hultgren SJ, Schlievert PM, Dunny GM.

Infect Immun. 2013 May;81(5):1696-708. doi: 10.1128/IAI.01210-12. Epub 2013 Mar 4.


Occurrence, genetic diversity, and persistence of enterococci in a Lake Superior watershed.

Ran Q, Badgley BD, Dillon N, Dunny GM, Sadowsky MJ.

Appl Environ Microbiol. 2013 May;79(9):3067-75. doi: 10.1128/AEM.03908-12. Epub 2013 Mar 1.


Effects of biofilm growth on plasmid copy number and expression of antibiotic resistance genes in Enterococcus faecalis.

Cook LC, Dunny GM.

Antimicrob Agents Chemother. 2013 Apr;57(4):1850-6. doi: 10.1128/AAC.02010-12. Epub 2013 Feb 4.


Enterococcus faecalis produces abundant extracellular structures containing DNA in the absence of cell lysis during early biofilm formation.

Barnes AM, Ballering KS, Leibman RS, Wells CL, Dunny GM.

MBio. 2012 Jul 24;3(4):e00193-12. doi: 10.1128/mBio.00193-12. Print 2012.


Ultrastructure of a novel bacterial form located in Staphylococcus aureus in vitro and in vivo catheter-associated biofilms.

Hess DJ, Henry-Stanley MJ, Barnes AM, Dunny GM, Wells CL.

J Histochem Cytochem. 2012 Oct;60(10):770-6. Epub 2012 Jul 21.


In vivo and in vitro analyses of regulation of the pheromone-responsive prgQ promoter by the PrgX pheromone receptor protein.

Caserta E, Haemig HA, Manias DA, Tomsic J, Grundy FJ, Henkin TM, Dunny GM.

J Bacteriol. 2012 Jul;194(13):3386-94. doi: 10.1128/JB.00364-12. Epub 2012 Apr 27.


RNA-mediated reciprocal regulation between two bacterial operons is RNase III dependent.

Johnson CM, Haemig HH, Chatterjee A, Wei-Shou H, Weaver KE, Dunny GM.

MBio. 2011 Sep 27;2(5). pii: e00189-11. doi: 10.1128/mBio.00189-11. Print 2011.


Relation between antibiotic susceptibility and ultrastructure of Staphylococcus aureus biofilms on surgical suture.

Wells CL, Henry-Stanley MJ, Barnes AM, Dunny GM, Hess DJ.

Surg Infect (Larchmt). 2011 Aug;12(4):297-305. doi: 10.1089/sur.2010.104.


Convergent transcription confers a bistable switch in Enterococcus faecalis conjugation.

Chatterjee A, Johnson CM, Shu CC, Kaznessis YN, Ramkrishna D, Dunny GM, Hu WS.

Proc Natl Acad Sci U S A. 2011 Jun 7;108(23):9721-6. doi: 10.1073/pnas.1101569108. Epub 2011 May 23.

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