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Arnold Bayer

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Wessam Abdelhady; Arnold S Bayer; Alexander R Horswill; Megan R Kiedrowski; Cynthia C Nast; Kati Seidl; Michael Yeaman; Yan-Qiong Xiong
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.
Nagendra N Mishra; Arnold S Bayer
Correlation of cell membrane lipid profiles with daptomycin resistance in methicillin-resistant Staphylococcus aureus.
Arnold S Bayer; Tanja Schneider; Hans-Georg Sahl
Mechanisms of daptomycin resistance in Staphylococcus aureus: role of the cell membrane and cell wall.

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2013: Wessam Abdelhady; Arnold S Bayer; Alexander R Horswill; Megan R Kiedrowski; Cynthia C Nast; Kati Seidl; Michael Yeaman; Yan-Qiong Xiong
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.
Antimicrobial agents and chemotherapy 2013;57(3):1447-54.
2013: Nagendra N Mishra; Arnold S Bayer
Correlation of cell membrane lipid profiles with daptomycin resistance in methicillin-resistant Staphylococcus aureus.
Antimicrobial agents and chemotherapy 2013;57(2):1082-5.
2013: Arnold S Bayer; Tanja Schneider; Hans-Georg Sahl
Mechanisms of daptomycin resistance in Staphylococcus aureus: role of the cell membrane and cell wall.
Annals of the New York Academy of Sciences 2013;1277():139-58.
2013: Bruno Barsic; Arnold S Bayer; Giampiero Carosi; José H Casabé; Vivian H Chu; Francois Delahaye; Stuart Dickerman; Jameela Edathodu; Claudio Querido Fortes; Vladimir Krajinovic; Lars Olaison; Ana Pangercic; Paul Pappas; Mukesh Patel; Igor Rudez; Syahidah Syed Tamin; Josip Vincelj; Andrew Wang; Javier Altclas
Influence of the timing of cardiac surgery on the outcome of patients with infective endocarditis and stroke.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2013;56(2):209-17.
2012: Yan-Qiong Xiong; Arnold S Bayer; Liang Chen; Wessam Abdel Hady; Barry N Kreiswirth; Soo-Jin Yang
Telavancin in therapy of experimental aortic valve endocarditis in rabbits due to daptomycin-nonsusceptible methicillin-resistant Staphylococcus aureus.
Antimicrobial agents and chemotherapy 2012;56(11):5528-33.
2012: Nagendra N Mishra; Cynthia C Nast; Aileen Rubio; Arnold S Bayer
Differential Adaptations of Methicillin-Resistant Staphylococcus aureus to Serial In Vitro Passage in Daptomycin: Evolution of Daptomycin Resistance and Role of Membrane Carotenoid Content and Fluidity.
International journal of microbiology 2012;2012():683450.
2012: Nagendra N Mishra; Yousif Shamoo; Truc T Tran; Arnold S Bayer; William Dowhan; Ziqiang Guan; Eugenia Mileykovskaya; Cesar A Arias
Daptomycin resistance in enterococci is associated with distinct alterations of cell membrane phospholipid content.
PloS one 2012;7(8):e43958.
2012: Kati Seidl; Norma V Solis; Yan-Qiong Xiong; Arnold S Bayer; Steven Ellison; Wessam Abdel Hady; Meredith C Klashman; Scott G Filler
Divergent responses of different endothelial cell types to infection with Candida albicans and Staphylococcus aureus.
PloS one 2012;7(6):e39633.
2012: Wessam Abdel Hady; Arnold S Bayer; Yan-Qiong Xiong
Experimental endocarditis model of methicillin resistant Staphylococcus aureus (MRSA) in rat.
Journal of visualized experiments : JoVE 2012;(64):e3863.
2011: Kati Seidl; Arnold S Bayer; Liang Chen; Wessam Abdel Hady; Barry N Kreiswirth; Yan-Qiong Xiong
Relationship of agr expression and function with virulence and vancomycin treatment outcomes in experimental endocarditis due to methicillin-resistant Staphylococcus aureus.
Antimicrobial agents and chemotherapy 2011;55(12):5631-9.
2011: Yan-Qiong Xiong; Michael Yeaman; Antoine Deslandes; Laurent Fraisse; Wessam Abdel Hady; Hans-Henrik Kristensen; Astrid Rey; Arnold S Bayer
Efficacy of NZ2114, a novel plectasin-derived cationic antimicrobial peptide antibiotic, in experimental endocarditis due to methicillin-resistant Staphylococcus aureus.
Antimicrobial agents and chemotherapy 2011;55(11):5325-30.
2011: Kati Seidl; Arnold S Bayer; Steven Ellison; Scott G Filler; James A McKinnell; Yan-Qiong Xiong
In vitro endothelial cell damage is positively correlated with enhanced virulence and poor vancomycin responsiveness in experimental endocarditis due to methicillin-resistant Staphylococcus aureus.
Cellular microbiology 2011;13(10):1530-41.
2011: Nagendra N Mishra; Cynthia C Nast; Aileen Rubio; Michael Yeaman; Liang Chen; Barry N Kreiswirth; James McKinnell; Arnold S Bayer
In vitro cross-resistance to daptomycin and host defense cationic antimicrobial peptides in clinical methicillin-resistant Staphylococcus aureus isolates.
Antimicrobial agents and chemotherapy 2011;55(9):4012-8.
2011: Ute Bertsche; Patrice Francois; Daniel Kuehner; Jacques Schrenzel; Stefanie Wanner; Christopher Weidenmaier; Soo-Jin Yang; Michael R Yeaman; Stefanie Baur; Arnold S Bayer
Correlation of daptomycin resistance in a clinical Staphylococcus aureus strain with increased cell wall teichoic acid production and D-alanylation.
Antimicrobial agents and chemotherapy 2011;55(8):3922-8.
2011: Abhay Dhand; Victor Nizet; Joseph Pogliano; Arnold S Bayer; Michael Bolaris; Guiquing Wang; Soo-Jin Yang; George Sakoulas
Use of antistaphylococcal beta-lactams to increase daptomycin activity in eradicating persistent bacteremia due to methicillin-resistant Staphylococcus aureus: role of enhanced daptomycin binding.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2011;53(2):158-63.
2011: Nagendra N Mishra; George Y Liu; Michael Yeaman; Cynthia C Nast; Richard A Proctor; James McKinnell; Arnold S Bayer
Carotenoid-related alteration of cell membrane fluidity impacts Staphylococcus aureus susceptibility to host defense peptides.
Antimicrobial agents and chemotherapy 2011;55(2):526-31.
2011: Kati Seidl; Arnold S Bayer; Vance G Fowler; James A McKinnell; Wessam Abdel Hady; George Sakoulas; Michael Yeaman; Yan-Qiong Xiong
Combinatorial phenotypic signatures distinguish persistent from resolving methicillin-resistant Staphylococcus aureus bacteremia isolates.
Antimicrobial agents and chemotherapy 2011;55(2):575-82.
2010: Soo-Jin Yang; Yan-Qiong Xiong; Susan Boyle-Vavra; Robert Daum; Tiffanny Jones; Arnold S Bayer
Daptomycin-oxacillin combinations in treatment of experimental endocarditis caused by daptomycin-nonsusceptible strains of methicillin-resistant Staphylococcus aureus with evolving oxacillin susceptibility (the "seesaw effect").
Antimicrobial agents and chemotherapy 2010;54(8):3161-9.
2010: Soo-Jin Yang; Cynthia C Nast; Nagendra N Mishra; Michael Yeaman; Paul D Fey; Arnold S Bayer
Cell wall thickening is not a universal accompaniment of the daptomycin nonsusceptibility phenotype in Staphylococcus aureus: evidence for multiple resistance mechanisms.
Antimicrobial agents and chemotherapy 2010;54(8):3079-85.
2009: Soo-Jin Yang; Barry N Kreiswirth; George Sakoulas; Michael Yeaman; Yan-Qiong Xiong; Ayumi Sawa; Arnold S Bayer
Enhanced expression of dltABCD is associated with the development of daptomycin nonsusceptibility in a clinical endocarditis isolate of Staphylococcus aureus.
The Journal of infectious diseases 2009;200(12):1916-20.
2009: Christoph M Ernst; Petra Staubitz; Nagendra N Mishra; Soo-Jin Yang; Gabriele Hornig; Hubert Kalbacher; Arnold S Bayer; Dirk Kraus; Andreas Peschel
The bacterial defensin resistance protein MprF consists of separable domains for lipid lysinylation and antimicrobial peptide repulsion.
PLoS pathogens 2009;5(11):e1000660.
2009: Ambrose L Cheung; Soo-Jin Yang; Arnold S Bayer; Yan-Qiong Xiong
Disparity in the in vitro versus in vivo regulation of fibronectin-binding proteins by 2 global regulators, saeRS and sigB, in Staphylococcus aureus.
The Journal of infectious diseases 2009;200(9):1371-4.
2009: Nagendra N Mishra; Soo-Jin Yang; Ayumi Sawa; Aileen Rubio; Cynthia C Nast; Michael Yeaman; Arnold S Bayer
Analysis of cell membrane characteristics of in vitro-selected daptomycin-resistant strains of methicillin-resistant Staphylococcus aureus.
Antimicrobial agents and chemotherapy 2009;53(6):2312-8.
2009: Soo-Jin Yang; Yan-Qiong Xiong; Paul Dunman; Jacques Schrenzel; Patrice François; Andreas Peschel; Arnold S Bayer
Regulation of mprF in daptomycin-nonsusceptible Staphylococcus aureus strains.
Antimicrobial agents and chemotherapy 2009;53(6):2636-7.
2009: María Pilar Trotonda; Yan-Qiong Xiong; Guido Memmi; Arnold S Bayer; Ambrose L Cheung
Role of mgrA and sarA in methicillin-resistant Staphylococcus aureus autolysis and resistance to cell wall-active antibiotics.
The Journal of infectious diseases 2009;199(2):209-18.
2008: Darin A Trier; Kimberly D Gank; Deborah Kupferwasser; Nannette Y Yount; William J French; Alan D Michelson; Leon I Kupferwasser; Yan Q Xiong; Arnold S Bayer; Michael Yeaman
Platelet antistaphylococcal responses occur through P2X1 and P2Y12 receptor-induced activation and kinocidin release.
Infection and immunity 2008;76(12):5706-13.
2008: Yan Q Xiong; Barbara A Bensing; Arnold S Bayer; Henry F Chambers; Paul M Sullam
Role of the serine-rich surface glycoprotein GspB of Streptococcus gordonii in the pathogenesis of infective endocarditis.
Microbial pathogenesis 2008;45(4):297-301.
2008: Tiffanny Jones; Michael Yeaman; George Sakoulas; Soo-Jin Yang; Richard A Proctor; Hans-Georg Sahl; Jacques Schrenzel; Yan-Qiong Xiong; Arnold S Bayer
Failures in clinical treatment of Staphylococcus aureus Infection with daptomycin are associated with alterations in surface charge, membrane phospholipid asymmetry, and drug binding.
Antimicrobial agents and chemotherapy 2008;52(1):269-78.
2007: Vivian H Chu; Arnold S Bayer
Use of echocardiography in the diagnosis and management of infective endocarditis.
Current infectious disease reports 2007;9(4):283-90.
2007: Kasturi Mukhopadhyay; William Whitmire; Yan-Qiong Xiong; Jaime Molden; Tiffanny Jones; Andreas Peschel; Petra Staubitz; Jill Adler-Moore; Peter J McNamara; Richard A Proctor; Michael Yeaman; Arnold S Bayer
In vitro susceptibility of Staphylococcus aureus to thrombin-induced platelet microbicidal protein-1 (tPMP-1) is influenced by cell membrane phospholipid composition and asymmetry.
Microbiology (Reading, England) 2007;153(Pt 4):1187-97.
2007: Michael Yeaman; Nannette Y Yount; Alan J Waring; Kimberly D Gank; Deborah Kupferwasser; Robert Wiese; Arnold S Bayer; William H Welch
Modular determinants of antimicrobial activity in platelet factor-4 family kinocidins.
Biochimica et biophysica acta 2007;1768(3):609-19.
2007: Loren G Miller; Clifford Quan; Anthony Shay; Katayoun Mostafaie; Kiran Bharadwa; Nelly Tan; Kelli Matayoshi; Jason Cronin; Jennifer Tan; Grace Tagudar; Arnold S Bayer
A prospective investigation of outcomes after hospital discharge for endemic, community-acquired methicillin-resistant and -susceptible Staphylococcus aureus skin infection.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2007;44(4):483-92.
2007: Loren G Miller; Françoise Perdreau-Remington; Arnold S Bayer; Binh An Diep; Nelly Tan; Kiran Bharadwa; Jennifer Tsui; Joshua Perlroth; Anthony Shay; Grace Tagudar; Uzoma Ibebuogu; Brad Spellberg
Clinical and epidemiologic characteristics cannot distinguish community-associated methicillin-resistant Staphylococcus aureus infection from methicillin-susceptible S. aureus infection: a prospective investigation.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2007;44(4):471-82.
2006: Yan-Qiong Xiong; Julie Willard; Michael Yeaman; Ambrose L Cheung; Arnold S Bayer
Regulation of Staphylococcus aureus alpha-toxin gene (hla) expression by agr, sarA, and sae in vitro and in experimental infective endocarditis.
The Journal of infectious diseases 2006;194(9):1267-75.
2006: Yan-Qiong Xiong; Arnold S Bayer; Lisa Elazegui; Michael Yeaman
A synthetic congener modeled on a microbicidal domain of thrombin- induced platelet microbicidal protein 1 recapitulates staphylocidal mechanisms of the native molecule.
Antimicrobial agents and chemotherapy 2006;50(11):3786-92.
2006: Ellinor I B Peerschke; Arnold S Bayer; Berhane Ghebrehiwet; Yan-Qiong Xiong
gC1qR/p33 blockade reduces Staphylococcus aureus colonization of target tissues in an animal model of infective endocarditis.
Infection and immunity 2006;74(8):4418-23.
2006: Arnold S Bayer; Leon Iri Kupferwasser; Marion H Brown; Ronald A Skurray; Steve Grkovic; T Jones; K Mukhopadhay; Michael Yeaman
Low-level resistance of Staphylococcus aureus to thrombin-induced platelet microbicidal protein 1 in vitro associated with qacA gene carriage is independent of multidrug efflux pump activity.
Antimicrobial agents and chemotherapy 2006;50(7):2448-54.
2006: Nannette Y Yount; Arnold S Bayer; Yan-Qiong Xiong; Michael Yeaman
Advances in antimicrobial peptide immunobiology.
Biopolymers 2006;84(5):435-58.
2006: Arnold S Bayer; Peter McNamara; Michael Yeaman; Natalie Lucindo; Tiffanny Jones; Ambrose L Cheung; Hans-Georg Sahl; Richard A Proctor
Transposon disruption of the complex I NADH oxidoreductase gene (snoD) in Staphylococcus aureus is associated with reduced susceptibility to the microbicidal activity of thrombin-induced platelet microbicidal protein 1.
Journal of bacteriology 2006;188(1):211-22.
2005: Christopher Weidenmaier; Andreas Peschel; Volkhard A J Kempf; Natalie Lucindo; Michael Yeaman; Arnold S Bayer
DltABCD- and MprF-mediated cell envelope modifications of Staphylococcus aureus confer resistance to platelet microbicidal proteins and contribute to virulence in a rabbit endocarditis model.
Infection and immunity 2005;73(12):8033-8.
2005: Yan-Qiong Xiong; Kasturi Mukhopadhyay; Michael Yeaman; Jill Adler-Moore; Arnold S Bayer
Functional interrelationships between cell membrane and cell wall in antimicrobial peptide-mediated killing of Staphylococcus aureus.
Antimicrobial agents and chemotherapy 2005;49(8):3114-21.
2005: George Sakoulas; George Miltiades Eliopoulos; Vance G Fowler; Robert C Moellering; Richard novick; Natalie Lucindo; Michael Yeaman; Arnold S Bayer
Reduced susceptibility of Staphylococcus aureus to vancomycin and platelet microbicidal protein correlates with defective autolysis and loss of accessory gene regulator (agr) function.
Antimicrobial agents and chemotherapy 2005;49(7):2687-92.
2005: Vance G Fowler; Jose M Miro; Bruno Hoen; Christopher H Cabell; Elias Abrutyn; Ethan Rubinstein; G Ralph Corey; Denis Spelman; Suzanne F Bradley; Bruno Barsic; Paul A Pappas; Kevin J Anstrom; Dannah Wilde Wray; Claudio Q Fortes; Ignasi Anguera; Eugene Athan; Philip Jones; J T M van der Meer; T S J Elliott; Donald P Levine; Arnold S Bayer
Staphylococcus aureus endocarditis: a consequence of medical progress.
JAMA : the journal of the American Medical Association 2005;293(24):3012-21.
2005: Peter J McNamara; Arnold S Bayer
A rot mutation restores parental virulence to an agr-null Staphylococcus aureus strain in a rabbit model of endocarditis.
Infection and immunity 2005;73(6):3806-9.
2005: Christopher Weidenmaier; Andreas Peschel; Yan-Qiong Xiong; Sascha Kristian; Klaus Dietz; Michael Yeaman; Arnold S Bayer
Lack of wall teichoic acids in Staphylococcus aureus leads to reduced interactions with endothelial cells and to attenuated virulence in a rabbit model of endocarditis.
The Journal of infectious diseases 2005;191(10):1771-7.
2005: Loren G Miller; Françoise Perdreau-Remington; Gunter Rieg; Sheherbano Mehdi; Josh Perlroth; Arnold S Bayer; Angela W Tang; Tieu O Phung; Brad Spellberg
Necrotizing fasciitis caused by community-associated methicillin-resistant Staphylococcus aureus in Los Angeles.
The New England journal of medicine 2005;352(14):1445-53.
2005: Yan-Qiong Xiong; Julie Willard; Jagath L Kadurugamuwa; Jun Yu; Kevin P Francis; Arnold S Bayer
Real-time in vivo bioluminescent imaging for evaluating the efficacy of antibiotics in a rat Staphylococcus aureus endocarditis model.
Antimicrobial agents and chemotherapy 2005;49(1):380-7.
2004: Nannette Y Yount; Kimberly D Gank; Yan-Qiong Xiong; Arnold S Bayer; Thomas Pender; William H Welch; Michael Yeaman
Platelet microbicidal protein 1: structural themes of a multifunctional antimicrobial peptide.
Antimicrobial agents and chemotherapy 2004;48(11):4395-404.
2004: Brad Spellberg; Thomas Yoo; Arnold S Bayer
Reversal of linezolid-associated cytopenias, but not peripheral neuropathy, by administration of vitamin B6.
The Journal of antimicrobial chemotherapy 2004;54(4):832-5.
2004: Vance G Fowler; George Sakoulas; Lauren M McIntyre; Venkata G Meka; Robert D Arbeit; Christopher H Cabell; Martin E Stryjewski; George Miltiades Eliopoulos; L Barth Reller; G Ralph Corey; Tiffanny Jones; Natalie Lucindo; Michael Yeaman; Arnold S Bayer
Persistent bacteremia due to methicillin-resistant Staphylococcus aureus infection is associated with agr dysfunction and low-level in vitro resistance to thrombin-induced platelet microbicidal protein.
The Journal of infectious diseases 2004;190(6):1140-9.
2004: Michael Yeaman; Darwin Cheng; Bhavesh Desai; Leon Iri Kupferwasser; Yan-Qiong Xiong; Kimberly D Gank; John Edwards; Arnold S Bayer
Susceptibility to thrombin-induced platelet microbicidal protein is associated with increased fluconazole efficacy against experimental endocarditis due to Candida albicans.
Antimicrobial agents and chemotherapy 2004;48(8):3051-6.
2004: Yan-Qiong Xiong; Arnold S Bayer; Michael Yeaman; Willem J B Van Wamel; Adhar C Manna; Ambrose L Cheung
Impacts of sarA and agr in Staphylococcus aureus strain Newman on fibronectin-binding protein A gene expression and fibronectin adherence capacity in vitro and in experimental infective endocarditis.
Infection and immunity 2004;72(3):1832-6.
2004: Ambrose L Cheung; Arnold S Bayer; Gongyi Zhang; Hattie Gresham; Yan-Qiong Xiong
Regulation of virulence determinants in vitro and in vivo in Staphylococcus aureus.
FEMS immunology and medical microbiology 2004;40(1):1-9.
2003: Leon Iri Kupferwasser; Michael Yeaman; Cynthia C Nast; Deborah Kupferwasser; Yan-Qiong Xiong; Marco Palma; Ambrose L Cheung; Arnold S Bayer
Salicylic acid attenuates virulence in endovascular infections by targeting global regulatory pathways in Staphylococcus aureus.
The Journal of clinical investigation 2003;112(2):222-33.
2002: Michael Yeaman; Kimberly D Gank; Arnold S Bayer; Eric P Brass
Synthetic peptides that exert antimicrobial activities in whole blood and blood-derived matrices.
Antimicrobial agents and chemotherapy 2002;46(12):3883-91.
2002: Yan-Qiong Xiong; Willem J B Van Wamel; Cynthia C Nast; Michael Yeaman; Ambrose L Cheung; Arnold S Bayer
Activation and transcriptional interaction between agr RNAII and RNAIII in Staphylococcus aureus in vitro and in an experimental endocarditis model.
The Journal of infectious diseases 2002;186(5):668-77.
2002: Willem J B Van Wamel; Yan-Qiong Xiong; Arnold S Bayer; Michael Yeaman; Cynthia C Nast; Ambrose L Cheung
Regulation of Staphylococcus aureus type 5 capsular polysaccharides by agr and sarA in vitro and in an experimental endocarditis model.
Microbial pathogenesis 2002;33(2):73-9.
2002: Leon Iri Kupferwasser; Michael Yeaman; Shelley M Shapiro; Cynthia C Nast; Arnold S Bayer
In vitro susceptibility to thrombin-induced platelet microbicidal protein is associated with reduced disease progression and complication rates in experimental Staphylococcus aureus endocarditis: microbiological, histopathologic, and echocardiographic analyses.
Circulation 2002;105(6):746-52.
2002: Yan-Qiong Xiong; Arnold S Bayer; Michael Yeaman
Inhibition of intracellular macromolecular synthesis in Staphylococcus aureus by thrombin-induced platelet microbicidal proteins.
The Journal of infectious diseases 2002;185(3):348-56.
2001: SP Koo; Arnold S Bayer; Michael Yeaman
Diversity in antistaphylococcal mechanisms among membrane-targeting antimicrobial peptides.
Infection and immunity 2001;69(8):4916-22.
2001: Ian R Siboo; A L Cheung; Arnold S Bayer; Paul M Sullam
Clumping factor A mediates binding of Staphylococcus aureus to human platelets.
Infection and immunity 2001;69(5):3120-7.
2000: V K Dhawan; Arnold S Bayer; Michael Yeaman
Thrombin-induced platelet microbicidal protein susceptibility phenotype influences the outcome of oxacillin prophylaxis and therapy of experimental Staphylococcus aureus endocarditis.
Antimicrobial agents and chemotherapy 2000;44(11):3206-9.
2000: Vance G Fowler; Lauren M McIntyre; Michael Yeaman; Gail E Peterson; L Barth Reller; G Ralph Corey; Dannah Wilde Wray; Arnold S Bayer
In vitro resistance to thrombin-induced platelet microbicidal protein in isolates of Staphylococcus aureus from endocarditis patients correlates with an intravascular device source.
The Journal of infectious diseases 2000;182(4):1251-4.
2000: Yan-Qiong Xiong; Michael Yeaman; Arnold S Bayer
Linezolid: a new antibiotic.
Drugs of today (Barcelona, Spain : 1998) 2000;36(9):631-9.
2000: Yan-Qiong Xiong; Michael Yeaman; Arnold S Bayer
New approaches to the prevention and treatment of severe S. aureus infections.
Drugs of today (Barcelona, Spain : 1998) 2000;36(8):529-39.
2000: Arnold S Bayer; R Prasad; J Chandra; A Koul; M Smriti; A Varma; Ronald A Skurray; Neville Firth; Marion H Brown; SP Koo; Michael Yeaman
In vitro resistance of Staphylococcus aureus to thrombin-induced platelet microbicidal protein is associated with alterations in cytoplasmic membrane fluidity.
Infection and immunity 2000;68(6):3548-53.
2000: Yan-Qiong Xiong; Michael Vasil; Z Johnson; Urs A Ochsner; Arnold S Bayer
The oxygen- and iron-dependent sigma factor pvdS of Pseudomonas aeruginosa is an important virulence factor in experimental infective endocarditis.
The Journal of infectious diseases 2000;181(3):1020-6.
2000: Leon Iri Kupferwasser; Arnold S Bayer
Update on culture-negative endocarditis.
Current clinical topics in infectious diseases 2000;20():113-33.
1999: V K Dhawan; Michael Yeaman; Arnold S Bayer
Influence of in vitro susceptibility phenotype against thrombin-induced platelet microbicidal protein on treatment and prophylaxis outcomes of experimental Staphylococcus aureus endocarditis.
The Journal of infectious diseases 1999;180(5):1561-8.
1999: Leon Iri Kupferwasser; Ronald A Skurray; Marion H Brown; Neville Firth; Michael Yeaman; Arnold S Bayer
Plasmid-mediated resistance to thrombin-induced platelet microbicidal protein in staphylococci: role of the qacA locus.
Antimicrobial agents and chemotherapy 1999;43(10):2395-9.
1999: Yan-Qiong Xiong; Leon Iri Kupferwasser; P M Zack; Arnold S Bayer
Comparative efficacies of liposomal amikacin (MiKasome) plus oxacillin versus conventional amikacin plus oxacillin in experimental endocarditis induced by Staphylococcus aureus: microbiological and echocardiographic analyses.
Antimicrobial agents and chemotherapy 1999;43(7):1737-42.
1999: Leon Iri Kupferwasser; Michael Yeaman; S M Shapiro; Cynthia C Nast; Paul M Sullam; Scott Filler; Arnold S Bayer
Acetylsalicylic acid reduces vegetation bacterial density, hematogenous bacterial dissemination, and frequency of embolic events in experimental Staphylococcus aureus endocarditis through antiplatelet and antibacterial effects.
Circulation 1999;99(21):2791-7.
1999: SP Koo; Arnold S Bayer; Bruce L Kagan; Michael Yeaman
Membrane permeabilization by thrombin-induced platelet microbicidal protein 1 is modulated by transmembrane voltage polarity and magnitude.
Infection and immunity 1999;67(5):2475-81.
1999: Yan-Qiong Xiong; Michael Yeaman; Arnold S Bayer
In vitro antibacterial activities of platelet microbicidal protein and neutrophil defensin against Staphylococcus aureus are influenced by antibiotics differing in mechanism of action.
Antimicrobial agents and chemotherapy 1999;43(5):1111-7.
1999: Ambrose L Cheung; Y T Chien; Arnold S Bayer
Hyperproduction of alpha-hemolysin in a sigB mutant is associated with elevated SarA expression in Staphylococcus aureus.
Infection and immunity 1999;67(3):1331-7.
1998: Ambrose L Cheung; Cynthia C Nast; Arnold S Bayer
Selective activation of sar promoters with the use of green fluorescent protein transcriptional fusions as the detection system in the rabbit endocarditis model.
Infection and immunity 1998;66(12):5988-93.
1998: Arnold S Bayer; C Li; M Ing
Efficacy of trovafloxacin, a new quinolone antibiotic, in experimental staphylococcal endocarditis due to oxacillin-resistant strains.
Antimicrobial agents and chemotherapy 1998;42(7):1837-41.
1998: V K Dhawan; Arnold S Bayer; Michael Yeaman
In vitro resistance to thrombin-induced platelet microbicidal protein is associated with enhanced progression and hematogenous dissemination in experimental Staphylococcus aureus infective endocarditis.
Infection and immunity 1998;66(7):3476-9.
1998: Michael Yeaman; Arnold S Bayer; SP Koo; W Foss; Paul M Sullam
Platelet microbicidal proteins and neutrophil defensin disrupt the Staphylococcus aureus cytoplasmic membrane by distinct mechanisms of action.
The Journal of clinical investigation 1998;101(1):178-87.
1997: SP Koo; Michael Yeaman; Cynthia C Nast; Arnold S Bayer
The cytoplasmic membrane is a primary target for the staphylocidal action of thrombin-induced platelet microbicidal protein.
Infection and immunity 1997;65(11):4795-800.
1997: Arnold S Bayer; M D Ramos; B E Menzies; Michael Yeaman; A J Shen; A L Cheung
Hyperproduction of alpha-toxin by Staphylococcus aureus results in paradoxically reduced virulence in experimental endocarditis: a host defense role for platelet microbicidal proteins.
Infection and immunity 1997;65(11):4652-60.
1997: V K Dhawan; Michael Yeaman; A L Cheung; E Kim; Paul M Sullam; Arnold S Bayer
Phenotypic resistance to thrombin-induced platelet microbicidal protein in vitro is correlated with enhanced virulence in experimental endocarditis due to Staphylococcus aureus.
Infection and immunity 1997;65(8):3293-9.
1997: Yan-Qiong Xiong; Jocelyne Caillon; Marie-France Kergueris; Henri Drugeon; Denis Baron; Gilles Potel; Arnold S Bayer
Adaptive resistance of Pseudomonas aeruginosa induced by aminoglycosides and killing kinetics in a rabbit endocarditis model.
Antimicrobial agents and chemotherapy 1997;41(4):823-6.
1997: Michael Yeaman; Yi-Quan Tang; A J Shen; Arnold S Bayer; Michael Selsted
Purification and in vitro activities of rabbit platelet microbicidal proteins.
Infection and immunity 1997;65(3):1023-31.
1996: Paul M Sullam; Arnold S Bayer; W M Foss; Ambrose L Cheung
Diminished platelet binding in vitro by Staphylococcus aureus is associated with reduced virulence in a rabbit model of infective endocarditis.
Infection and immunity 1996;64(12):4915-21.
1996: SP Koo; Michael Yeaman; Arnold S Bayer
Staphylocidal action of thrombin-induced platelet microbicidal protein is influenced by microenvironment and target cell growth phase.
Infection and immunity 1996;64(9):3758-64.
1996: Michael Yeaman; S S Soldan; M A Ghannoum; John Edwards; Scott Filler; Arnold S Bayer
Resistance to platelet microbicidal protein results in increased severity of experimental Candida albicans endocarditis.
Infection and immunity 1996;64(4):1379-84.
1996: SP Koo; Arnold S Bayer; H G Sahl; R A Proctor; Michael Yeaman
Staphylocidal action of thrombin-induced platelet microbicidal protein is not solely dependent on transmembrane potential.
Infection and immunity 1996;64(3):1070-4.
1994: Michael Yeaman; Paul M Sullam; Paul Dazin; Arnold S Bayer
Platelet microbicidal protein alone and in combination with antibiotics reduces Staphylococcus aureus adherence to platelets in vitro.
Infection and immunity 1994;62(8):3416-23.
1994: Michael Yeaman; Paul M Sullam; Paul Dazin; M A Ghannoum; John Edwards; Arnold S Bayer
Fluconazole and platelet microbicidal protein inhibit Candida adherence to platelets in vitro.
Antimicrobial agents and chemotherapy 1994;38(7):1460-5.
1994: Ambrose L Cheung; Michael Yeaman; Paul M Sullam; M D Witt; Arnold S Bayer
Role of the sar locus of Staphylococcus aureus in induction of endocarditis in rabbits.
Infection and immunity 1994;62(5):1719-25.
1994: Arnold S Bayer; J I Ward; Leonard Ginzton; Shelley M Shapiro
Evaluation of new clinical criteria for the diagnosis of infective endocarditis.
The American journal of medicine 1994;96(3):211-9.
1994: Shelley M Shapiro; E Young; S De Guzman; J Ward; CY Chiu; Leonard Ginzton; Arnold S Bayer
Transesophageal echocardiography in diagnosis of infective endocarditis.
Chest 1994;105(2):377-82.
1992: Arnold S Bayer; S Park; M C Ramos; C C Nast; F Eftekhar; N L Schiller
Effects of alginase on the natural history and antibiotic therapy of experimental endocarditis caused by mucoid Pseudomonas aeruginosa.
Infection and immunity 1992;60(10):3979-85.
1992: Michael Yeaman; D C Norman; Arnold S Bayer
Platelet microbicidal protein enhances antibiotic-induced killing of and postantibiotic effect in Staphylococcus aureus.
Antimicrobial agents and chemotherapy 1992;36(8):1665-70.
1992: Michael Yeaman; Paul M Sullam; Paul Dazin; D C Norman; Arnold S Bayer
Characterization of Staphylococcus aureus-platelet binding by quantitative flow cytometric analysis.
The Journal of infectious diseases 1992;166(1):65-73.
1992: Michael Yeaman; D C Norman; Arnold S Bayer
Staphylococcus aureus susceptibility to thrombin-induced platelet microbicidal protein is independent of platelet adherence and aggregation in vitro.
Infection and immunity 1992;60(6):2368-74.
1992: Michael Yeaman; S M Puentes; D C Norman; Arnold S Bayer
Partial characterization and staphylocidal activity of thrombin-induced platelet microbicidal protein.
Infection and immunity 1992;60(3):1202-9.
1992: Shelley M Shapiro; E Young; Leonard Ginzton; Arnold S Bayer
Pulmonic valve endocarditis as an underdiagnosed disease: role of transesophageal echocardiography.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 1992;5(1):48-51.
1991: M D Witt; Arnold S Bayer
Comparison of fluconazole and amphotericin B for prevention and treatment of experimental Candida endocarditis.
Antimicrobial agents and chemotherapy 1991;35(12):2481-5.
1991: Shelley M Shapiro; Arnold S Bayer
Transesophageal and Doppler echocardiography in the diagnosis and management of infective endocarditis.
Chest 1991;100(4):1125-30.
1991: Arnold S Bayer; David P Speert; S Park; J Tu; M Witt; C C Nast; D C Norman
Functional role of mucoid exopolysaccharide (alginate) in antibiotic-induced and polymorphonuclear leukocyte-mediated killing of Pseudomonas aeruginosa.
Infection and immunity 1991;59(1):302-8.
1990: Arnold S Bayer; D C Norman
Valve site-specific pathogenetic differences between right-sided and left-sided bacterial endocarditis.
Chest 1990;98(1):200-5.
1990: Arnold S Bayer; F Eftekhar; J Tu; C C Nast; David P Speert
Oxygen-dependent up-regulation of mucoid exopolysaccharide (alginate) production in Pseudomonas aeruginosa.
Infection and immunity 1990;58(5):1344-9.
1989: Arnold S Bayer
New concepts in the pathogenesis and modalities of the chemoprophylaxis of native valve endocarditis.
Chest 1989;96(4):893-9.
1989: Arnold S Bayer; J Yih; CY Chiu; C C Nast
Pathogenic effects of monocytopenia, granulocytopenia and dexamethasone on the course of experimental Pseudomonas aeruginosa endocarditis in rabbits.
Chemotherapy 1989;35(4):278-88.
1989: Arnold S Bayer; T O'Brien; D C Norman; C C Nast
Oxygen-dependent differences in exopolysaccharide production and aminoglycoside inhibitory-bactericidal interactions with Pseudomonas aeruginosa--implications for endocarditis.
The Journal of antimicrobial chemotherapy 1989;23(1):21-35.
1988: Arnold S Bayer; P Lindsay; T R Parr
In-vitro and in-vivo bacterocodal interactions of clindamycin and ceftazidime, by non-beta-lactamase mechanisms, in experimental Pseudomonas aeruginosa endocarditis caused by a constitutive beta-lactamase overproducing strain.
The Journal of antimicrobial chemotherapy 1988;22(4):529-39.
1988: Arnold S Bayer; I K Blomquist; E Bello; CY Chiu; J I Ward; Leonard Ginzton
Tricuspid valve endocarditis due to Staphylococcus aureus. Correlation of two-dimensional echocardiography with clinical outcome.
Chest 1988;93(2):247-53.
1988: Arnold S Bayer; L Hirano; J Yih
Development of beta-lactam resistance and increased quinolone MICs during therapy of experimental Pseudomonas aeruginosa endocarditis.
Antimicrobial agents and chemotherapy 1988;32(2):231-5.
1988: Arnold S Bayer; D P Greenberg; J Yih
Correlates of therapeutic efficacy in experimental methicillin-resistant Staphylococcus aureus endocarditis.
Chemotherapy 1988;34(1):46-55.
1988: Arnold S Bayer; J Yih; L Hirano
LY146032 compared with penicillin G in experimental aortic valve endocarditis caused by group G streptococci.
Antimicrobial agents and chemotherapy 1988;32(1):141-3.
1987: Arnold S Bayer; M Selecky; K Babel; L Hirano; J Yih; T R Parr
Bactericidal interactions of a beta-lactam and beta-lactamase inhibitors in experimental Pseudomonas aeruginosa endocarditis caused by a constitutive overproducer of type Id beta-lactamase.
Antimicrobial agents and chemotherapy 1987;31(11):1750-5.
1986: Arnold S Bayer; P Lindsay; J Yih; L Hirano; D Lee; I K Blomquist
Efficacy of ciprofloxacin in experimental aortic valve endocarditis caused by a multiply beta-lactam-resistant variant of Pseudomonas aeruginosa stably derepressed for beta-lactamase production.
Antimicrobial agents and chemotherapy 1986;30(4):528-31.