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Items: 1 to 50 of 321

1.

Role of Purine Biosynthesis in Persistent Methicillin-Resistant Staphylococcus aureus Infection.

Li L, Abdelhady W, Donegan NP, Seidl K, Cheung A, Zhou YF, Yeaman MR, Bayer AS, Xiong YQ.

J Infect Dis. 2018 Sep 22;218(9):1367-1377. doi: 10.1093/infdis/jiy340.

PMID:
29868791
2.

Prevention of High-Level Daptomycin-Resistance Emergence In Vitro in Streptococcus mitis-oralis by Using Combination Antimicrobial Strategies.

Zapata B, Alvarez DN, Farah S, Garcia-de-la-Maria C, Miro JM, Sakoulas G, Bayer AS, Mishra NN.

Curr Microbiol. 2018 Aug;75(8):1062-1067. doi: 10.1007/s00284-018-1491-3. Epub 2018 Apr 12.

PMID:
29651552
3.

Impact of Multiple Single-Nucleotide Polymorphisms Within mprF on Daptomycin Resistance in Staphylococcus aureus.

Yang SJ, Mishra NN, Kang KM, Lee GY, Park JH, Bayer AS.

Microb Drug Resist. 2018 Oct;24(8):1075-1081. doi: 10.1089/mdr.2017.0156. Epub 2018 Jan 30.

PMID:
29381428
4.

A Case of Early Prosthetic Valve Endocarditis Caused by Staphylococcus warneri in a Patient Presenting With Congestive Heart Failure.

Kuvhenguhwa MS, Belgrave KO, Shah SU, Bayer AS, Miller LG.

Cardiol Res. 2017 Oct;8(5):236-240. doi: 10.14740/cr588w. Epub 2017 Oct 27.

5.

Dissecting Out the Direct Impacts of Large-Scale Antimicrobial Stewardship Interventions on Clinical Outcomes: Can Confounding Be Overcome?

Dilworth TJ, Rose WE, Sakoulas G, Bayer AS.

Clin Infect Dis. 2017 Nov 13;65(11):1956-1957. doi: 10.1093/cid/cix676. No abstract available.

PMID:
29020207
6.

A Human Biofilm-Disrupting Monoclonal Antibody Potentiates Antibiotic Efficacy in Rodent Models of both Staphylococcus aureus and Acinetobacter baumannii Infections.

Xiong YQ, Estellés A, Li L, Abdelhady W, Gonzales R, Bayer AS, Tenorio E, Leighton A, Ryser S, Kauvar LM.

Antimicrob Agents Chemother. 2017 Sep 22;61(10). pii: e00904-17. doi: 10.1128/AAC.00904-17. Print 2017 Oct.

7.

Evaluation of daptomycin combinations with cephalosporins or gentamicin against Streptococcus mitis group strains in an in vitro model of simulated endocardial vegetations (SEVs).

Yim J, Smith JR, Singh NB, Rice S, Stamper K, Garcia de la Maria C, Bayer AS, Mishra NN, Miró JM, Tran TT, Arias CA, Sullam P, Rybak MJ.

J Antimicrob Chemother. 2017 Aug 1;72(8):2290-2296. doi: 10.1093/jac/dkx130.

8.

Impact of High-Level Daptomycin Resistance in the Streptococcus mitis Group on Virulence and Survivability during Daptomycin Treatment in Experimental Infective Endocarditis.

Garcia-de-la-Maria C, Xiong YQ, Pericas JM, Armero Y, Moreno A, Mishra NN, Rybak MJ, Tran TT, Arias CA, Sullam PM, Bayer AS, Miro JM.

Antimicrob Agents Chemother. 2017 Apr 24;61(5). pii: e02418-16. doi: 10.1128/AAC.02418-16. Print 2017 May.

9.

Phenotypic and genotypic correlates of daptomycin-resistant methicillin-susceptible Staphylococcus aureus clinical isolates.

Kang KM, Mishra NN, Park KT, Lee GY, Park YH, Bayer AS, Yang SJ.

J Microbiol. 2017 Feb;55(2):153-159. doi: 10.1007/s12275-017-6509-1. Epub 2017 Jan 26.

10.

Perturbations of Phosphatidate Cytidylyltransferase (CdsA) Mediate Daptomycin Resistance in Streptococcus mitis/oralis by a Novel Mechanism.

Mishra NN, Tran TT, Seepersaud R, Garcia-de-la-Maria C, Faull K, Yoon A, Proctor R, Miro JM, Rybak MJ, Bayer AS, Arias CA, Sullam PM.

Antimicrob Agents Chemother. 2017 Mar 24;61(4). pii: e02435-16. doi: 10.1128/AAC.02435-16. Print 2017 Apr.

11.

Redeploying β-Lactams Against Staphylococcus aureus: Repurposing With a Purpose.

Bayer AS, Xiong YQ.

J Infect Dis. 2017 Jan 1;215(1):11-13. doi: 10.1093/infdis/jiw464. Epub 2016 Nov 14. No abstract available.

PMID:
28077581
12.

Telavancin Is Active against Experimental Aortic Valve Endocarditis Caused by Daptomycin- and Methicillin-Resistant Staphylococcus aureus Strains.

Abdelhady W, Bayer AS, Gonzales R, Li L, Xiong YQ.

Antimicrob Agents Chemother. 2017 Jan 24;61(2). pii: e01877-16. doi: 10.1128/AAC.01877-16. Print 2017 Feb.

13.

Mechanism of Action and Resistance to Daptomycin in Staphylococcus aureus and Enterococci.

Miller WR, Bayer AS, Arias CA.

Cold Spring Harb Perspect Med. 2016 Nov 1;6(11). pii: a026997. doi: 10.1101/cshperspect.a026997. Review.

14.

Infective endocarditis.

Holland TL, Baddour LM, Bayer AS, Hoen B, Miro JM, Fowler VG Jr.

Nat Rev Dis Primers. 2016 Sep 1;2:16059. doi: 10.1038/nrdp.2016.59. Review.

15.

The Global Regulon sarA Regulates β-Lactam Antibiotic Resistance in Methicillin-Resistant Staphylococcus aureus In Vitro and in Endovascular Infections.

Li L, Cheung A, Bayer AS, Chen L, Abdelhady W, Kreiswirth BN, Yeaman MR, Xiong YQ.

J Infect Dis. 2016 Nov 1;214(9):1421-1429. Epub 2016 Aug 19.

16.

Comparative efficacy of telavancin and daptomycin in experimental endocarditis due to multi-clonotype MRSA strains.

Xiong YQ, Abdelhady W, Tang C', Bayer AS.

J Antimicrob Chemother. 2016 Oct;71(10):2890-4. doi: 10.1093/jac/dkw249. Epub 2016 Jun 26.

PMID:
27353467
17.

Comparative Efficacies of Tedizolid Phosphate, Linezolid, and Vancomycin in a Murine Model of Subcutaneous Catheter-Related Biofilm Infection Due to Methicillin-Susceptible and -Resistant Staphylococcus aureus.

Bayer AS, Abdelhady W, Li L, Gonzales R, Xiong YQ.

Antimicrob Agents Chemother. 2016 Jul 22;60(8):5092-6. doi: 10.1128/AAC.00880-16. Print 2016 Aug.

18.

Binding of Daptomycin to Anionic Lipid Vesicles Is Reduced in the Presence of Lysyl-Phosphatidylglycerol.

Khatib TO, Stevenson H, Yeaman MR, Bayer AS, Pokorny A.

Antimicrob Agents Chemother. 2016 Jul 22;60(8):5051-3. doi: 10.1128/AAC.00744-16. Print 2016 Aug.

19.

Dysregulation of mprF and dltABCD expression among daptomycin-non-susceptible MRSA clinical isolates.

Bayer AS, Mishra NN, Cheung AL, Rubio A, Yang SJ.

J Antimicrob Chemother. 2016 Aug;71(8):2100-4. doi: 10.1093/jac/dkw142. Epub 2016 Apr 27.

20.

The GraS Sensor in Staphylococcus aureus Mediates Resistance to Host Defense Peptides Differing in Mechanisms of Action.

Chaili S, Cheung AL, Bayer AS, Xiong YQ, Waring AJ, Memmi G, Donegan N, Yang SJ, Yeaman MR.

Infect Immun. 2015 Nov 23;84(2):459-66. doi: 10.1128/IAI.01030-15. Print 2016 Feb.

21.

Endovascular infections caused by methicillin-resistant Staphylococcus aureus are linked to clonal complex-specific alterations in binding and invasion domains of fibronectin-binding protein A as well as the occurrence of fnbB.

Xiong YQ, Sharma-Kuinkel BK, Casillas-Ituarte NN, Fowler VG Jr, Rude T, DiBartola AC, Lins RD, Abdel-Hady W, Lower SK, Bayer AS.

Infect Immun. 2015 Dec;83(12):4772-80. doi: 10.1128/IAI.01074-15. Epub 2015 Sep 28.

22.

Infective Endocarditis in Adults: Diagnosis, Antimicrobial Therapy, and Management of Complications: A Scientific Statement for Healthcare Professionals From the American Heart Association.

Baddour LM, Wilson WR, Bayer AS, Fowler VG Jr, Tleyjeh IM, Rybak MJ, Barsic B, Lockhart PB, Gewitz MH, Levison ME, Bolger AF, Steckelberg JM, Baltimore RS, Fink AM, O'Gara P, Taubert KA; American Heart Association Committee on Rheumatic Fever, Endocarditis, and Kawasaki Disease of the Council on Cardiovascular Disease in the Young, Council on Clinical Cardiology, Council on Cardiovascular Surgery and Anesthesia, and Stroke Council.

Circulation. 2015 Oct 13;132(15):1435-86. doi: 10.1161/CIR.0000000000000296. Epub 2015 Sep 15. Review. Erratum in: Circulation. 2015 Oct 27;132(17):e215. Circulation. 2016 Aug 23;134(8):e113.

PMID:
26373316
23.

Evolving resistance among Gram-positive pathogens.

Munita JM, Bayer AS, Arias CA.

Clin Infect Dis. 2015 Sep 15;61 Suppl 2:S48-57. doi: 10.1093/cid/civ523. Review.

24.

Echocardiographic Findings Predict In-Hospital and 1-Year Mortality in Left-Sided Native Valve Staphylococcus aureus Endocarditis: Analysis From the International Collaboration on Endocarditis-Prospective Echo Cohort Study.

Lauridsen TK, Park L, Tong SY, Selton-Suty C, Peterson G, Cecchi E, Afonso L, Habib G, Paré C, Tamin S, Dickerman S, Bayer AS, Johansson MC, Chu VH, Samad Z, Bruun NE, Fowler VG Jr, Crowley AL.

Circ Cardiovasc Imaging. 2015 Jul;8(7):e003397. doi: 10.1161/CIRCIMAGING.114.003397.

25.
26.

Staphylococcus aureus metabolic adaptations during the transition from a daptomycin susceptibility phenotype to a daptomycin nonsusceptibility phenotype.

Gaupp R, Lei S, Reed JM, Peisker H, Boyle-Vavra S, Bayer AS, Bischoff M, Herrmann M, Daum RS, Powers R, Somerville GA.

Antimicrob Agents Chemother. 2015 Jul;59(7):4226-38. doi: 10.1128/AAC.00160-15. Epub 2015 May 11.

27.

Candida infective endocarditis: an observational cohort study with a focus on therapy.

Arnold CJ, Johnson M, Bayer AS, Bradley S, Giannitsioti E, Miró JM, Tornos P, Tattevin P, Strahilevitz J, Spelman D, Athan E, Nacinovich F, Fortes CQ, Lamas C, Barsic B, Fernández-Hidalgo N, Muñoz P, Chu VH.

Antimicrob Agents Chemother. 2015 Apr;59(4):2365-73. doi: 10.1128/AAC.04867-14. Epub 2015 Feb 2.

28.

Early agr activation correlates with vancomycin treatment failure in multi-clonotype MRSA endovascular infections.

Abdelhady W, Chen L, Bayer AS, Seidl K, Yeaman MR, Kreiswirth BN, Xiong YQ.

J Antimicrob Chemother. 2015 May;70(5):1443-52. doi: 10.1093/jac/dku547. Epub 2015 Jan 5.

29.

Editorial commentary: surgical therapy for Staphylococcus aureus prosthetic valve endocarditis: proceed with caution (Caveat Emptor).

Karchmer AW, Bayer AS.

Clin Infect Dis. 2015 Mar 1;60(5):750-2. doi: 10.1093/cid/ciu877. Epub 2014 Nov 10. No abstract available.

PMID:
25389250
30.

A liaR deletion restores susceptibility to daptomycin and antimicrobial peptides in multidrug-resistant Enterococcus faecalis.

Reyes J, Panesso D, Tran TT, Mishra NN, Cruz MR, Munita JM, Singh KV, Yeaman MR, Murray BE, Shamoo Y, Garsin D, Bayer AS, Arias CA.

J Infect Dis. 2015 Apr 15;211(8):1317-25. doi: 10.1093/infdis/jiu602. Epub 2014 Oct 31.

31.

Heterogeneity of mprF sequences in methicillin-resistant Staphylococcus aureus clinical isolates: role in cross-resistance between daptomycin and host defense antimicrobial peptides.

Bayer AS, Mishra NN, Sakoulas G, Nonejuie P, Nast CC, Pogliano J, Chen KT, Ellison SN, Yeaman MR, Yang SJ.

Antimicrob Agents Chemother. 2014 Dec;58(12):7462-7. doi: 10.1128/AAC.03422-14. Epub 2014 Oct 6.

32.

Site-specific mutation of the sensor kinase GraS in Staphylococcus aureus alters the adaptive response to distinct cationic antimicrobial peptides.

Cheung AL, Bayer AS, Yeaman MR, Xiong YQ, Waring AJ, Memmi G, Donegan N, Chaili S, Yang SJ.

Infect Immun. 2014 Dec;82(12):5336-45. doi: 10.1128/IAI.02480-14. Epub 2014 Oct 6.

33.

Phenotypic and genotypic characterization of daptomycin-resistant methicillin-resistant Staphylococcus aureus strains: relative roles of mprF and dlt operons.

Mishra NN, Bayer AS, Weidenmaier C, Grau T, Wanner S, Stefani S, Cafiso V, Bertuccio T, Yeaman MR, Nast CC, Yang SJ.

PLoS One. 2014 Sep 16;9(9):e107426. doi: 10.1371/journal.pone.0107426. eCollection 2014.

34.

Failure of high-dose daptomycin for bacteremia caused by daptomycin-susceptible Enterococcus faecium harboring LiaSR substitutions.

Munita JM, Mishra NN, Alvarez D, Tran TT, Diaz L, Panesso D, Reyes J, Murray BE, Adachi JA, Bayer AS, Arias CA.

Clin Infect Dis. 2014 Nov 1;59(9):1277-80. doi: 10.1093/cid/ciu642. Epub 2014 Aug 8.

35.

Staphylococcus aureus bacteremia at 5 US academic medical centers, 2008-2011: significant geographic variation in community-onset infections.

David MZ, Daum RS, Bayer AS, Chambers HF, Fowler VG Jr, Miller LG, Ostrowsky B, Baesa A, Boyle-Vavra S, Eells SJ, Garcia-Houchins S, Gialanella P, Macias-Gil R, Rude TH, Ruffin F, Sieth JJ, Volinski J, Spellberg B.

Clin Infect Dis. 2014 Sep 15;59(6):798-807. doi: 10.1093/cid/ciu410. Epub 2014 May 30.

36.

Genome Sequences of Sequence Type 45 (ST45) Persistent Methicillin-Resistant Staphylococcus aureus (MRSA) Bacteremia Strain 300-169 and ST45 Resolving MRSA Bacteremia Strain 301-188.

Hernandez D, Seidl K, Corvaglia AR, Bayer AS, Xiong YQ, François P.

Genome Announc. 2014 Mar 13;2(2). pii: e00174-14. doi: 10.1128/genomeA.00174-14.

37.

Impact of vancomycin on sarA-mediated biofilm formation: role in persistent endovascular infections due to methicillin-resistant Staphylococcus aureus.

Abdelhady W, Bayer AS, Seidl K, Moormeier DE, Bayles KW, Cheung A, Yeaman MR, Xiong YQ.

J Infect Dis. 2014 Apr 15;209(8):1231-40. doi: 10.1093/infdis/jiu007. Epub 2014 Jan 7.

38.

Nafcillin enhances innate immune-mediated killing of methicillin-resistant Staphylococcus aureus.

Sakoulas G, Okumura CY, Thienphrapa W, Olson J, Nonejuie P, Dam Q, Dhand A, Pogliano J, Yeaman MR, Hensler ME, Bayer AS, Nizet V.

J Mol Med (Berl). 2014 Feb;92(2):139-49. doi: 10.1007/s00109-013-1100-7. Epub 2013 Dec 3.

39.

High-dose daptomycin therapy for left-sided infective endocarditis: a prospective study from the international collaboration on endocarditis.

Carugati M, Bayer AS, Miró JM, Park LP, Guimarães AC, Skoutelis A, Fortes CQ, Durante-Mangoni E, Hannan MM, Nacinovich F, Fernández-Hidalgo N, Grossi P, Tan RS, Holland T, Fowler VG Jr, Corey RG, Chu VH; International Collaboration on Endocarditis.

Antimicrob Agents Chemother. 2013 Dec;57(12):6213-22. doi: 10.1128/AAC.01563-13. Epub 2013 Sep 30.

40.

Causal role of single nucleotide polymorphisms within the mprF gene of Staphylococcus aureus in daptomycin resistance.

Yang SJ, Mishra NN, Rubio A, Bayer AS.

Antimicrob Agents Chemother. 2013 Nov;57(11):5658-64. doi: 10.1128/AAC.01184-13. Epub 2013 Sep 3.

41.

Emergence of daptomycin resistance in daptomycin-naïve rabbits with methicillin-resistant Staphylococcus aureus prosthetic joint infection is associated with resistance to host defense cationic peptides and mprF polymorphisms.

Mishra NN, Yang SJ, Chen L, Muller C, Saleh-Mghir A, Kuhn S, Peschel A, Yeaman MR, Nast CC, Kreiswirth BN, Crémieux AC, Bayer AS.

PLoS One. 2013 Aug 19;8(8):e71151. doi: 10.1371/journal.pone.0071151. eCollection 2013.

42.

MgrA activates expression of capsule genes, but not the α-toxin gene in experimental Staphylococcus aureus endocarditis.

Gupta RK, Alba J, Xiong YQ, Bayer AS, Lee CY.

J Infect Dis. 2013 Dec 1;208(11):1841-8. doi: 10.1093/infdis/jit367. Epub 2013 Jul 30.

43.

Daptomycin-resistant Enterococcus faecalis diverts the antibiotic molecule from the division septum and remodels cell membrane phospholipids.

Tran TT, Panesso D, Mishra NN, Mileykovskaya E, Guan Z, Munita JM, Reyes J, Diaz L, Weinstock GM, Murray BE, Shamoo Y, Dowhan W, Bayer AS, Arias CA.

MBio. 2013 Jul 23;4(4). pii: e00281-13. doi: 10.1128/mBio.00281-13.

44.

Increased cell wall teichoic acid production and D-alanylation are common phenotypes among daptomycin-resistant methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates.

Bertsche U, Yang SJ, Kuehner D, Wanner S, Mishra NN, Roth T, Nega M, Schneider A, Mayer C, Grau T, Bayer AS, Weidenmaier C.

PLoS One. 2013 Jun 13;8(6):e67398. doi: 10.1371/journal.pone.0067398. Print 2013.

45.

Role of the LytSR two-component regulatory system in adaptation to cationic antimicrobial peptides in Staphylococcus aureus.

Yang SJ, Xiong YQ, Yeaman MR, Bayles KW, Abdelhady W, Bayer AS.

Antimicrob Agents Chemother. 2013 Aug;57(8):3875-82. doi: 10.1128/AAC.00412-13. Epub 2013 Jun 3.

46.

Virulence of endemic nonpigmented northern Australian Staphylococcus aureus clone (clonal complex 75, S. argenteus) is not augmented by staphyloxanthin.

Tong SY, Sharma-Kuinkel BK, Thaden JT, Whitney AR, Yang SJ, Mishra NN, Rude T, Lilliebridge RA, Selim MA, Ahn SH, Holt DC, Giffard PM, Bayer AS, Deleo FR, Fowler VG Jr.

J Infect Dis. 2013 Aug 1;208(3):520-7. doi: 10.1093/infdis/jit173. Epub 2013 Apr 18.

47.

Reduced vancomycin susceptibility in an in vitro catheter-related biofilm model correlates with poor therapeutic outcomes in experimental endocarditis due to methicillin-resistant Staphylococcus aureus.

Abdelhady W, Bayer AS, Seidl K, Nast CC, Kiedrowski MR, Horswill AR, Yeaman MR, Xiong YQ.

Antimicrob Agents Chemother. 2013 Mar;57(3):1447-54. doi: 10.1128/AAC.02073-12. Epub 2013 Jan 7.

48.

Correlation of cell membrane lipid profiles with daptomycin resistance in methicillin-resistant Staphylococcus aureus.

Mishra NN, Bayer AS.

Antimicrob Agents Chemother. 2013 Feb;57(2):1082-5. doi: 10.1128/AAC.02182-12. Epub 2012 Dec 17.

49.

Mechanisms of daptomycin resistance in Staphylococcus aureus: role of the cell membrane and cell wall.

Bayer AS, Schneider T, Sahl HG.

Ann N Y Acad Sci. 2013 Jan;1277:139-58. doi: 10.1111/j.1749-6632.2012.06819.x. Epub 2012 Dec 5. Review.

50.

Whole-genome analysis of a daptomycin-susceptible enterococcus faecium strain and its daptomycin-resistant variant arising during therapy.

Tran TT, Panesso D, Gao H, Roh JH, Munita JM, Reyes J, Diaz L, Lobos EA, Shamoo Y, Mishra NN, Bayer AS, Murray BE, Weinstock GM, Arias CA.

Antimicrob Agents Chemother. 2013 Jan;57(1):261-8. doi: 10.1128/AAC.01454-12. Epub 2012 Oct 31.

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