In-vitro characterization of thrombolytic activity of staphylokinase produced by Staphylococcus aureus S1

Alakbaree, Maysaa; Zakaria, Zalmiyah; Ahmed, Haron; Zawawi, Nurliyana

doi:10.1063/5.0121711

Cited by 1 publication

(1 citation statement)

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“…The dairy product samples were taken and examined for Staphylococcus along with S. aureus which cultivated on specific selective media, 20% of the total samples were contaminated with S. aureus. All isolates passed the catalase test, which distinguishes the genus Staphylococcus from the genus Streptococcus, that produced negative (Alakbaree, et al 2022).The majority of the isolates failed the Oxidase test used to distinguish Staphylococcus from the typically positive Micrococcus species (Becker, et al 2015). All of the S. aureus isolates that were subjected to the coagulase test for additional confirmation produced a positive reaction, which is consistent with the findings of Manukumar and Umesha (2017).…”

Section: Discussionsupporting

confidence: 67%

Prevalence of Vancomycin Resistant Staphylococcus Aureus Isolated from Dairy Products in Kurdistan Region-iraq

Khudher,

Alzubaidy,

Abdo

2023

UOD

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The context highlights the importance of Staphylococcus aureus as a potential cause of foodborne illnesses, its capacity to become resistant to antibiotics such as vancomycin, and the possible dangers posed by dairy products contaminated with VRSA to public wellbeing. The main aim of the research is to gauge the prevalence of VRSA in dairy items within the Kurdistan Region, revealing potential risks to both food security and the well-being of consumers. So, in this study, the resistance of 69 of S. aureus bacteria isolated from 300 Kurdish locally cheese, hard cheese, soft cheese, yogurt, samples to six types of antibiotics (clindamycin, tetracycline, Rifampicin, erythromycin, vancomycin and Ampicillin) were evaluated. The 69 isolates were identified by Vitec system2, also confirmed by specific primer of 16SrRNA gene, those isolated both results are the same. Antimicrobial resistance of strains to six antibiotics was determined by using Vitec system2, and disc diffusion method. The antibacterial resistance among all the isolated were detected against Erythromycin 53(77%), clindamycin 65(94), vancomycin 25(36%), tetracycline 62(90%), Rifampicin 61(88%), ampicillin 69(100%). Antibiotic resistance genes were studied by polymer chain reaction and the following genes were detected, in totally 19 isolated present Van (A), and 16 isolated present Van(B) from 25 isolated they were resistance to vancomycin as antibacterial.

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Section: Discussionsupporting

confidence: 67%