scholarly journals Antimicrobial susceptibility patterns and macrolide resistance genes of viridans group streptococci from normal flora

2003 ◽  
Vol 52 (4) ◽  
pp. 636-644 ◽  
Author(s):  
H. Seppala
Keyword(s):  
Resistance Genes ◽  
Antimicrobial Susceptibility ◽  
Macrolide Resistance ◽  
Normal Flora ◽  
Viridans Group Streptococci ◽  
Susceptibility Patterns

scholarly journals In Vitro Activity of Telithromycin against Viridans Group Streptococci and Streptococcus bovis Isolated from Blood: Antimicrobial Susceptibility Patterns in Different Groups of Species

2005 ◽  
Vol 49 (2) ◽  
pp. 820-823 ◽  
Author(s):  
Iciar Rodríguez-Avial ◽  
Carmen Rodríguez-Avial ◽  
Esther Culebras ◽  
Juan J. Picazo
Keyword(s):  
Antimicrobial Susceptibility ◽  
Macrolide Resistance ◽  
Vitro Activity ◽  
Streptococcus Bovis ◽  
In Vitro Activity ◽  
Viridans Group Streptococci ◽  
Susceptibility Patterns

ABSTRACT The in vitro activities of penicillin, erythromycin, clindamycin, and telithromycin were determined against 155 viridans group streptococci (VGS) and 18 Streptococcus bovis blood isolates. Heterogeneity in the susceptibility patterns and macrolide resistance phenotypes and genotypes in the different groups of VGS was detected. We found seven telithromycin-resistant S. bovis isolates all harboring the erm(B) gene.

scholarly journals Antimicrobial Susceptibility Patterns and Macrolide Resistance Genes of β-Hemolytic Streptococci in Korea

2004 ◽  
Vol 48 (7) ◽  
pp. 2716-2718 ◽  
Author(s):  
Young Uh ◽  
In Ho Jang ◽  
Gyu Yel Hwang ◽  
Mi Kyung Lee ◽  
Kap Jun Yoon ◽  
...  
Keyword(s):  
Resistance Genes ◽  
Antimicrobial Susceptibility ◽  
Macrolide Resistance ◽  
Resistance Phenotype ◽  
Susceptibility Patterns

ABSTRACT In 540 beta-hemolytic streptococci, the rates of resistance to tetracycline, chloramphenicol, erythromycin, and clindamycin were 80.0, 22.8, 20.2, and 19.1%, respectively. Of the erythromycin-resistant isolates, 63.3% had the constitutive macrolide-lincosamide-streptogramin B (MLSB) resistance phenotype, 23.9% had the M phenotype, and 12.8% had the inducible MLSB resistance phenotype. The constitutive MLSB resistance phenotype with the erm(B) gene was dominant in Korea.

Antimicrobial susceptibility and macrolide resistance genes in Streptococcus pyogenes collected in Austria and Hungary

2004 ◽  
Vol 24 (3) ◽  
pp. 290-293 ◽  
Author(s):  
Rainer Gattringer ◽  
Robert Sauermann ◽  
Heimo Lagler ◽  
Karin Stich ◽  
Astrid Buxbaum ◽  
...  
Keyword(s):  
Streptococcus Pyogenes ◽  
Resistance Genes ◽  
Antimicrobial Susceptibility ◽  
Macrolide Resistance

scholarly journals Antimicrobial Susceptibility Patterns among Viridans Group Streptococcal Isolates from Infective Endocarditis Patients from 1971 to 1986 and 1994 to 2002

2004 ◽  
Vol 48 (11) ◽  
pp. 4463-4465 ◽  
Author(s):  
Rajesh M. Prabhu ◽  
Kerryl E. Piper ◽  
Larry M. Baddour ◽  
James M. Steckelberg ◽  
Walter R. Wilson ◽  
...  
Keyword(s):  
Infective Endocarditis ◽  
Antimicrobial Resistance ◽  
Antimicrobial Susceptibility ◽  
Resistance Rates ◽  
Viridans Group Streptococci ◽  
Susceptibility Patterns

ABSTRACT To determine whether changes in antimicrobial resistance have occurred among viridans group streptococci, we retrospectively examined 50 viridans group streptococcal isolates recovered from patients with infective endocarditis over 3 decades. Resistance rates (percent resistant isolates 1971 to 1986 and 1994 to 2002) were as follows: levofloxacin, 0 and 9; penicillin and clindamycin, 0 and 4; and erythromycin and azithromycin, 11 and 26, respectively.

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