نتایج جستجو برای: sxt constin
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Vibrio cholerae (VC) is the causative agent of severe dehydrating diarrheal disease cholera. The primary treatment for cholera oral rehydration therapy (ORT). However, in case moderate to dehydration, antibiotics are administered reduce morbidity. Due emergence multidrug resistant (MDR) strains VC routinely used fail be effective patients. Antimicrobial resistance (AMR) encoded genome bacteria ...
The Vibrio cholerae SXT element is a conjugative self-transmissible chromosomally integrating element that encodes resistance to multiple antibiotics. SXT integrates in a site-specific fashion at prfC and excises from the chromosome to form a circular but nonreplicative extrachromosomal form. Both chromosomal integration and excision depend on an SXT-encoded recombinase, Int. Here we found that...
SXT is an integrative and conjugative element (ICE) that confers resistance to multiple antibiotics upon many clinical isolates of Vibrio cholerae. In most cells, this approximately 100 Kb element is integrated into the host genome in a site-specific fashion; however, SXT can excise to form an extrachromosomal circle that is thought to be the substrate for conjugative transfer. Daughter cells l...
To the Editor: The SXT element is a Vibrio cholerae–derived ICE (integrating and conjugative element), which has also been referred to as a conjugative transposon (1) or a constin (2). ICEs excise from the chromosomes of their hosts, transfer to a new host through conjugation, and then integrate into the chromosome again. SXT element was originally isolated in 1993 from a V. cholerae O139 clini...
Streptococcus pyogenes is commonly believed to be resistant to trimethoprim-sulfamethoxazole (SXT), resulting in reservations about using SXT for skin and soft tissue infections (SSTI) where S. pyogenes is involved. S. pyogenes' in vitro susceptibility to SXT depends on the medium's thymidine content. Thymidine allows S. pyogenes to bypass the sulfur-mediated inhibition of folate metabolism and...
Co-trimoxazole (SXT), a combination of sulfamethoxazole (SMX) and trimethoprim has shown in vitro activity against Mycobacterium tuberculosis. However, the pharmacokinetic (PK) and pharmacodynamic (PD) parameters of SXT in multidrug-resistant (MDR) tuberculosis (TB) are so far lacking. Therefore we evaluated the PK and drug susceptibility along with its tolerability during treatment. Based on d...
Co-trimoxazole (SXT), a combination of sulfamethoxazole and trimethoprim, has shown in vitro activity against Mycobacterium tuberculosis. However, the pharmacokinetic and pharmacodynamic parameters of SXT in multidrug-resistant (MDR) tuberculosis (TB) are, thus far, lacking. Therefore, we evaluated its pharmacokinetics and drug susceptibility, along with its tolerability during treatment. Based...
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