Abstract
The use of cinnamon oil as antibacterial agent to eliminate some antibiotic-resistant bacteria isolated from water sources
Highlights
Some microorganisms, including Escherichia coli and Klebsiella species, have the ability to produce large amounts of extended-spectrum β-lactamases (ESBLs) (Al Yousef et al, 2016)
The antibiotic susceptibility test indicated the complete resistance of K. pneumoniae to ampicillin (100%), followed by mezlocillin (92.5%), cefazolin (77.5%), and cefuroxime (77.5%), respectively; the test indicated the highest sensitivity to imipenem (85%)
A total of 170 isolates were screened for ESBL production, using the MicroScan WalkAway-96 SI system, according to the CLSI guidelines
Summary
Some microorganisms, including Escherichia coli and Klebsiella species, have the ability to produce large amounts of extended-spectrum β-lactamases (ESBLs) (Al Yousef et al, 2016). These enzymes can cause multidrug resistance and lead to urinary tract infections, which are difficult to treat (Zorc et al, 2005). Many bacteria, which are responsible for urinary tract infections and loose stools, have the capacity to be ESBL producers. These bacteria include E. coli, Salmonella, Shigella, and Vibrio cholerae (Doi et al, 2007). ESBLs are commonly produced by Klebsiella species and other Gram-negative bacteria. For the evaluation of ESBLs, susceptibility to cefotaxime, ceftazidime, ceftriaxone, and cefpodoxime was examined, followed by phenotypic corroborative testing (Moland et al, 2002)
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