In Vitro Activities of Amoxicillin-Clavulanate, Doxycycline, Ceftazidime, Imipenem, and Trimethoprim-Sulfamethoxazole against Biofilm of Brazilian Strains of Burkholderia pseudomallei

被引:10
|
作者
Pinheiro Gomes Bandeira, Tereza de Jesus [1 ,3 ,5 ]
Moreira, Camila Alencar [3 ]
Nogueira Brilhante, Raimunda Samia [1 ,2 ,3 ]
Collares Maia Castelo-Branco, Debora de Souza [1 ,3 ]
de Araujo Neto, Manoel Paiva [1 ,4 ]
Cordeiro, Rossana de Aguiar [1 ,2 ,3 ]
Santos Rodrigues, Terezinha de Jesus [1 ,3 ]
Gadelha Rocha, Marcos Fabio [1 ,3 ,4 ]
Costa Sidrim, Jose Julio [1 ,2 ,3 ]
机构
[1] Univ Fed Ceara, Specialized Med Mycol Ctr, Fortaleza, Ceara, Brazil
[2] Univ Fed Ceara, Postgrad Program Med Sci, Fortaleza, Ceara, Brazil
[3] Univ Fed Ceara, Postgrad Program Med Microbiol, Fortaleza, Ceara, Brazil
[4] Univ Estadual Ceara, Postgrad Program Vet Sci, Fortaleza, Ceara, Brazil
[5] LabPasteur DASA, Fortaleza, Ceara, Brazil
关键词
STAPHYLOCOCCUS-AUREUS BIOFILMS; MELIOIDOSIS; QUANTIFICATION; ASSAY; SUSCEPTIBILITY; RESISTANCE; RESAZURIN;
D O I
10.1128/AAC.00721-13
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
This study aimed at investigating the in vitro activities of amoxicillin-clavulanate, doxycycline, ceftazidime, imipenem, and trimethoprim-sulfamethoxazole against Burkholderia pseudomallei in planktonic and biofilm forms, through broth microdilution and resazurin-based viability staining, respectively. In planktonic growth, the strains were susceptible to the drugs, while in biofilm growth, significantly higher antimicrobial concentrations were required, especially for ceftazidime and imipenem, surpassing the resistance breakpoints. These results highlight the importance of the routine evaluation of biofilm antimicrobial susceptibility.
引用
收藏
页码:5771 / 5773
页数:3
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