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Detection of Tissue-resident Bacteria in Bladder Biopsies by 16S rRNA Fluorescence In Situ Hybridization.

Neugent ML, Gadhvi J, Palmer KL, Zimmern PE, De Nisco NJ.

J Vis Exp. 2019 Oct 18;(152). doi: 10.3791/60458.


Conjugative Delivery of CRISPR-Cas9 for the Selective Depletion of Antibiotic-Resistant Enterococci.

Rodrigues M, McBride SW, Hullahalli K, Palmer KL, Duerkop BA.

Antimicrob Agents Chemother. 2019 Oct 22;63(11). pii: e01454-19. doi: 10.1128/AAC.01454-19. Print 2019 Nov.


Phosphatidylcholine Biosynthesis in Mitis Group Streptococci via Host Metabolite Scavenging.

Joyce LR, Guan Z, Palmer KL.

J Bacteriol. 2019 Oct 21;201(22). pii: e00495-19. doi: 10.1128/JB.00495-19. Print 2019 Nov 15.


Enterococcus faecalis CRISPR-Cas Is a Robust Barrier to Conjugative Antibiotic Resistance Dissemination in the Murine Intestine.

Price VJ, McBride SW, Hullahalli K, Chatterjee A, Duerkop BA, Palmer KL.

mSphere. 2019 Jul 24;4(4). pii: e00464-19. doi: 10.1128/mSphere.00464-19.


Direct Detection of Tissue-Resident Bacteria and Chronic Inflammation in the Bladder Wall of Postmenopausal Women with Recurrent Urinary Tract Infection.

De Nisco NJ, Neugent M, Mull J, Chen L, Kuprasertkul A, de Souza Santos M, Palmer KL, Zimmern P, Orth K.

J Mol Biol. 2019 Apr 17. pii: S0022-2836(19)30202-5. doi: 10.1016/j.jmb.2019.04.008. [Epub ahead of print]


Bacteriophage Resistance Alters Antibiotic-Mediated Intestinal Expansion of Enterococci.

Chatterjee A, Johnson CN, Luong P, Hullahalli K, McBride SW, Schubert AM, Palmer KL, Carlson PE Jr, Duerkop BA.

Infect Immun. 2019 May 21;87(6). pii: e00085-19. doi: 10.1128/IAI.00085-19. Print 2019 Jun.


A Type I Restriction-Modification System Associated with Enterococcus faecium Subspecies Separation.

Huo W, Adams HM, Trejo C, Badia R, Palmer KL.

Appl Environ Microbiol. 2019 Jan 9;85(2). pii: e02174-18. doi: 10.1128/AEM.02174-18. Print 2019 Jan 15.


Alternate Matrices: Meconium, Cord Tissue, Hair, and Oral Fluid.

Palmer KL, Krasowski MD.

Methods Mol Biol. 2019;1872:191-197. doi: 10.1007/978-1-4939-8823-5_18.


Loss-of-Function Mutations in epaR Confer Resistance to ϕNPV1 Infection in Enterococcus faecalis OG1RF.

Ho K, Huo W, Pas S, Dao R, Palmer KL.

Antimicrob Agents Chemother. 2018 Sep 24;62(10). pii: e00758-18. doi: 10.1128/AAC.00758-18. Print 2018 Oct.


Novel Chlorhexidine-Loaded Polymeric Nanoparticles for Root Canal Treatment.

Quiram G, Montagner F, Palmer KL, Stefan MC, Washington KE, Rodrigues DC.

J Funct Biomater. 2018 Apr 17;9(2). pii: E29. doi: 10.3390/jfb9020029.


EfrEF and the Transcription Regulator ChlR Are Required for Chlorhexidine Stress Response in Enterococcus faecalis V583.

Li FJ, Palmer KL.

Antimicrob Agents Chemother. 2018 May 25;62(6). pii: e00267-18. doi: 10.1128/AAC.00267-18. Print 2018 Jun.


Reduced Chlorhexidine and Daptomycin Susceptibility in Vancomycin-Resistant Enterococcus faecium after Serial Chlorhexidine Exposure.

Bhardwaj P, Hans A, Ruikar K, Guan Z, Palmer KL.

Antimicrob Agents Chemother. 2017 Dec 21;62(1). pii: e01235-17. doi: 10.1128/AAC.01235-17. Print 2018 Jan.


Modulators of Enterococcus faecalis Cell Envelope Integrity and Antimicrobial Resistance Influence Stable Colonization of the Mammalian Gastrointestinal Tract.

Banla IL, Kommineni S, Hayward M, Rodrigues M, Palmer KL, Salzman NH, Kristich CJ.

Infect Immun. 2017 Dec 19;86(1). pii: e00381-17. doi: 10.1128/IAI.00381-17. Print 2018 Jan.


Exploiting CRISPR-Cas to manipulate Enterococcus faecalis populations.

Hullahalli K, Rodrigues M, Palmer KL.

Elife. 2017 Jun 23;6. pii: e26664. doi: 10.7554/eLife.26664.


Streptococcus mitis and S. oralis Lack a Requirement for CdsA, the Enzyme Required for Synthesis of Major Membrane Phospholipids in Bacteria.

Adams HM, Joyce LR, Guan Z, Akins RL, Palmer KL.

Antimicrob Agents Chemother. 2017 Apr 24;61(5). pii: e02552-16. doi: 10.1128/AAC.02552-16. Print 2017 May.


Evaluating a switch from meconium to umbilical cord tissue for newborn drug testing: A retrospective study at an academic medical center.

Palmer KL, Wood KE, Krasowski MD.

Clin Biochem. 2017 Apr;50(6):255-261. doi: 10.1016/j.clinbiochem.2016.11.026. Epub 2016 Nov 24.


Pronounced heterogeneity observed in high-level daptomycin-resistant viridans group streptococci.

Akins RL, Barber KE, Palmer KL.

J Glob Antimicrob Resist. 2016 Dec;7:159-166. doi: 10.1016/j.jgar.2016.09.005. Epub 2016 Oct 29.


Indole production provides limited benefit to Escherichia coli during co-culture with Enterococcus faecalis.

Pringle SL, Palmer KL, McLean RJ.

Arch Microbiol. 2017 Jan;199(1):145-153. doi: 10.1007/s00203-016-1289-2. Epub 2016 Sep 16.


Molecular Basis for Lytic Bacteriophage Resistance in Enterococci.

Duerkop BA, Huo W, Bhardwaj P, Palmer KL, Hooper LV.

MBio. 2016 Aug 30;7(4). pii: e01304-16. doi: 10.1128/mBio.01304-16.


CRISPR-Cas and Restriction-Modification Act Additively against Conjugative Antibiotic Resistance Plasmid Transfer in Enterococcus faecalis.

Price VJ, Huo W, Sharifi A, Palmer KL.

mSphere. 2016 Jun 1;1(3). pii: e00064-16. doi: 10.1128/mSphere.00064-16. eCollection 2016 May-Jun.


Chlorhexidine Induces VanA-Type Vancomycin Resistance Genes in Enterococci.

Bhardwaj P, Ziegler E, Palmer KL.

Antimicrob Agents Chemother. 2016 Mar 25;60(4):2209-21. doi: 10.1128/AAC.02595-15. Print 2016 Apr.


Comparative Analysis of the Orphan CRISPR2 Locus in 242 Enterococcus faecalis Strains.

Hullahalli K, Rodrigues M, Schmidt BD, Li X, Bhardwaj P, Palmer KL.

PLoS One. 2015 Sep 23;10(9):e0138890. doi: 10.1371/journal.pone.0138890. eCollection 2015.


Mutations associated with reduced surotomycin susceptibility in Clostridium difficile and Enterococcus species.

Adams HM, Li X, Mascio C, Chesnel L, Palmer KL.

Antimicrob Agents Chemother. 2015 Jul;59(7):4139-47. doi: 10.1128/AAC.00526-15. Epub 2015 May 4.


Genome Modification in Enterococcus faecalis OG1RF Assessed by Bisulfite Sequencing and Single-Molecule Real-Time Sequencing.

Huo W, Adams HM, Zhang MQ, Palmer KL.

J Bacteriol. 2015 Jun;197(11):1939-51. doi: 10.1128/JB.00130-15. Epub 2015 Mar 30.


In Vitro Investigation of the Effect of Oral Bacteria in the Surface Oxidation of Dental Implants.

Sridhar S, Wilson TG Jr, Palmer KL, Valderrama P, Mathew MT, Prasad S, Jacobs M, Gindri IM, Rodrigues DC.

Clin Implant Dent Relat Res. 2015 Oct;17 Suppl 2:e562-75. doi: 10.1111/cid.12285. Epub 2015 Jan 27.


Enterococcal Genomics.

Palmer KL, van Schaik W, Willems RJL, Gilmore MS.

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 8.


Enterococcal Bacteriophages and Genome Defense.

Duerkop BA, Palmer KL, Horsburgh MJ.

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 11.


Drosophila host model reveals new enterococcus faecalis quorum-sensing associated virulence factors.

Teixeira N, Varahan S, Gorman MJ, Palmer KL, Zaidman-Remy A, Yokohata R, Nakayama J, Hancock LE, Jacinto A, Gilmore MS, de Fátima Silva Lopes M.

PLoS One. 2013 May 29;8(5):e64740. doi: 10.1371/journal.pone.0064740. Print 2013.


Comparative genomics of vancomycin-resistant Staphylococcus aureus strains and their positions within the clade most commonly associated with Methicillin-resistant S. aureus hospital-acquired infection in the United States.

Kos VN, Desjardins CA, Griggs A, Cerqueira G, Van Tonder A, Holden MT, Godfrey P, Palmer KL, Bodi K, Mongodin EF, Wortman J, Feldgarden M, Lawley T, Gill SR, Haas BJ, Birren B, Gilmore MS.

MBio. 2012 May 22;3(3). pii: e00112-12. doi: 10.1128/mBio.00112-12. Print 2012.


Comparative genomics of enterococci: variation in Enterococcus faecalis, clade structure in E. faecium, and defining characteristics of E. gallinarum and E. casseliflavus.

Palmer KL, Godfrey P, Griggs A, Kos VN, Zucker J, Desjardins C, Cerqueira G, Gevers D, Walker S, Wortman J, Feldgarden M, Haas B, Birren B, Gilmore MS.

MBio. 2012 Mar 1;3(1):e00318-11. doi: 10.1128/mBio.00318-11. Print 2012.


DMS3-42: the secret to CRISPR-dependent biofilm inhibition in Pseudomonas aeruginosa.

Palmer KL, Whiteley M.

J Bacteriol. 2011 Jul;193(14):3431-2. doi: 10.1128/JB.05066-11. Epub 2011 May 6. No abstract available.


Genetic basis for daptomycin resistance in enterococci.

Palmer KL, Daniel A, Hardy C, Silverman J, Gilmore MS.

Antimicrob Agents Chemother. 2011 Jul;55(7):3345-56. doi: 10.1128/AAC.00207-11. Epub 2011 Apr 18.


Multidrug-resistant enterococci lack CRISPR-cas.

Palmer KL, Gilmore MS.

MBio. 2010 Oct 12;1(4). pii: e00227-10. doi: 10.1128/mBio.00227-10.


Horizontal gene transfer and the genomics of enterococcal antibiotic resistance.

Palmer KL, Kos VN, Gilmore MS.

Curr Opin Microbiol. 2010 Oct;13(5):632-9. doi: 10.1016/j.mib.2010.08.004. Epub 2010 Sep 15. Review.


Characterization of the Pseudomonas aeruginosa transcriptional response to phenylalanine and tyrosine.

Palmer GC, Palmer KL, Jorth PA, Whiteley M.

J Bacteriol. 2010 Jun;192(11):2722-8. doi: 10.1128/JB.00112-10. Epub 2010 Mar 19.


High-quality draft genome sequences of 28 Enterococcus sp. isolates.

Palmer KL, Carniol K, Manson JM, Heiman D, Shea T, Young S, Zeng Q, Gevers D, Feldgarden M, Birren B, Gilmore MS.

J Bacteriol. 2010 May;192(9):2469-70. doi: 10.1128/JB.00153-10. Epub 2010 Mar 5.


Revisiting the host as a growth medium.

Brown SA, Palmer KL, Whiteley M.

Nat Rev Microbiol. 2008 Sep;6(9):657-66. doi: 10.1038/nrmicro1955. Review.


Modeling the effects of changes in new source review on national SO2 and NOx emissions from electricity-generating units.

Evans DA, Hobbs BF, Oren C, Palmer KL.

Environ Sci Technol. 2008 Jan 15;42(2):347-53.


Nutritional cues control Pseudomonas aeruginosa multicellular behavior in cystic fibrosis sputum.

Palmer KL, Aye LM, Whiteley M.

J Bacteriol. 2007 Nov;189(22):8079-87. Epub 2007 Sep 14. Erratum in: J Bacteriol. 2009 Apr;191(8):2906.


Membrane-bound nitrate reductase is required for anaerobic growth in cystic fibrosis sputum.

Palmer KL, Brown SA, Whiteley M.

J Bacteriol. 2007 Jun;189(12):4449-55. Epub 2007 Mar 30.


Cost containment in a school deworming programme targeting over 2.7 million children in Vietnam.

Montresor A, Cong DT, Le Anh T, Ehrhardt A, Mondadori E, Thi TD, Le Khanh T, Albonico M, Palmer KL.

Trans R Soc Trop Med Hyg. 2007 May;101(5):461-4. Epub 2006 Oct 18.


Malaria risk: estimation of the malaria burden.

Bell DR, Jorgensen P, Christophel EM, Palmer KL.

Nature. 2005 Sep 8;437(7056):E3-4; discussion E4-5.


Control of schistosomiasis in China.

Engels D, Wang LY, Palmer KL.

Acta Trop. 2005 Nov-Dec;96(2-3):67-8. Epub 2005 Aug 25. No abstract available.


Cystic fibrosis sputum supports growth and cues key aspects of Pseudomonas aeruginosa physiology.

Palmer KL, Mashburn LM, Singh PK, Whiteley M.

J Bacteriol. 2005 Aug;187(15):5267-77.


Experimental infection of human volunteers with Haemophilus ducreyi does not confer protection against subsequent challenge.

Al-Tawfiq JA, Palmer KL, Chen CY, Haley JC, Katz BP, Hood AF, Spinola SM.

J Infect Dis. 1999 May;179(5):1283-7.


The immune response to Haemophilus ducreyi resembles a delayed-type hypersensitivity reaction throughout experimental infection of human subjects.

Palmer KL, Schnizlein-Bick CT, Orazi A, John K, Chen CY, Hood AF, Spinola SM.

J Infect Dis. 1998 Dec;178(6):1688-97.


Evaluation of an isogenic hemolysin-deficient mutant in the human model of Haemophilus ducreyi infection.

Palmer KL, Thornton AC, Fortney KR, Hood AF, Munson RS Jr, Spinola SM.

J Infect Dis. 1998 Jul;178(1):191-9.


Characterization of a transposon Tn916-generated mutant of Haemophilus ducreyi 35000 defective in lipooligosaccharide biosynthesis.

Gibson BW, Campagnari AA, Melaugh W, Phillips NJ, Apicella MA, Grass S, Wang J, Palmer KL, Munson RS Jr.

J Bacteriol. 1997 Aug;179(16):5062-71.


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