Staphylococcus epidermidis Prevails Staphylococcus aureus in Multispecies Biofilm under Gentamicin Stress
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064


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Research Paper | Biology | Iraq | Volume 6 Issue 7, July 2017

Staphylococcus epidermidis Prevails Staphylococcus aureus in Multispecies Biofilm under Gentamicin Stress

Noor Jabbar Karam, Harith Jabbar Fahad Al-Mathkhury

Out of 60 staphylococcal isolates isolated form different sources, the results revealed that 20 and 10 were identified as S. aureus and S. epidermidis, respectively. These results were confirmed by detecting 16sRNA gene. Remarkably, 80 % of S. aureus and 80 % of S. epidrmidis isolates developed Methicillinresistance. Findings of the current work demonstrated that most of methicillin resistant S. aureus (MRSA) and methicillin resistant S. epidermidis (MRSE) formed weak biofilm. The competition between S. aureus and S. epidermidis in multispecies biofilm were tested at several conditions encompassed temperature, pH, and starvation. Results showed that the numbers of biofilm cells have intensely decrease to undetectable limits in the presence of Gentamicin, approximately, at all tested conditions. With few exceptions, S. epidermidis showed a noticeable dominance in all species combinations.

Keywords: Staphylococcus epidermidis, Staphylococcus aureus, Gentamicin Stress

Edition: Volume 6 Issue 7, July 2017

Pages: 528 - 539

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How to Cite this Article?

Noor Jabbar Karam, Harith Jabbar Fahad Al-Mathkhury, "Staphylococcus epidermidis Prevails Staphylococcus aureus in Multispecies Biofilm under Gentamicin Stress", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=20061703, Volume 6 Issue 7, July 2017, 528 - 539

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