Staphylococcus aureus

An experimental model for Staphylococcus aureus hepatic abscess in Bama minipig

R. G. Zhang, Wang, X. D., Zhang, X. L., and Yang, Y. S., An experimental model for Staphylococcus aureus hepatic abscess in Bama minipig, vol. 13, pp. 7113-7122, 2014.

Pyogenic hepatic abscess (PHA) is a rare but potentially serious disease. Investigations of new therapeutic methods urgently need experimental support in corresponding animal models. However, to date, few studies have evaluated PHA in the minipig. The linear regression equation of the Staphylococcus aureus ATCC 25923 strain was established. PHA was successfully mocked, and S. aureus ATCC 29213 was the only pathogenic bacterium identified. The abscess formation stage was observed on the 21st day of the operation.

Molecular analysis and frequency of Staphylococcus aureus virulence genes isolated from bloodstream infections in a teaching hospital in Tianjin, China

L. X. Wang, Hu, Z. D., Hu, Y. M., Tian, B., Li, J., Wang, F. X., Yang, H., Xu, H. R., Li, Y. C., and Li, J., Molecular analysis and frequency of Staphylococcus aureus virulence genes isolated from bloodstream infections in a teaching hospital in Tianjin, China, vol. 12, pp. 646-654, 2013.

Staphylococcus aureus is an important cause of bloodstream infections worldwide. We examined the prevalence of genes that encode erythromycin ribosome methylase and bacterial toxins in S. aureus collected from bloodstream infections. Sixty different S. aureus isolates were obtained from blood cultures of patients who were admitted to a Teaching Hospital in Tianjin from January 2006 to August 2011. The susceptibility of the isolates to 16 antibiotics was tested. Methicillin-resistant S.

Antimicrobial activity and cytotoxicity of endophytes from Scapania verrucosa Heeg.

J. - G. Wu, Peng, W., Zeng, P. - Y., Wu, Y. - B., Yi, J., and Wu, J. - Z., Antimicrobial activity and cytotoxicity of endophytes from Scapania verrucosa Heeg., vol. 12, pp. 916-924, 2013.

We evaluated the antibacterial activity and cytotoxicity of endophytes isolated from Scapania verrucosa Heeg., which belongs to the liverwort class. A total of 49 endophytic fungi were isolated from S. verrucosa and classified into seven genera and one family in our previous study. In this study, the cytotoxic activity of the endophytes was assessed using the brine shrimp lethality bioassay, seven of which showed potent toxicity against the brine shrimp with 50% lethal concentration values less than 20 μg/mL.

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