Antibacterial activity of klebocin against methicillin resistance Staphylococcus aureus

Authors

  • Alyaa Razooqi Hussein
  • Zainab Zamel Khalaf

DOI:

https://doi.org/10.51248/.v42i5.1968

Keywords:

Antibacterial activity, klebocin, MRSA

Abstract

 

Introduction and Aim: Bacteriocins are antimicrobial peptides that have bactericidal and/or bacteriostatic activity against other bacteria. The aim of this study was to assess the antibacterial efficiency of Klebocin a K. pneumoniae bacteriocin, against biofilm formation by clinical isolates of methicillin resistant Staphylococcus aureus MRSA.

 

Materials and Methods: S. aureus isolated from clinical samples was identified according to vitek 2 system Antibiotic susceptibility test was performed according to disc diffusion method. Vitek 2 compact system was also used to detect MRSA strains. Agar well diffusion method was used to evaluate the antibacterial activity of klebocin from K. pneumoniae towards 11 strains of S. aureus by the microtiter plate method throughout the initial and final steps of biofilm development.

 

Results: Our finding shown that crude extract of klebocin was active against all the tested pre-formed biofilm of S.aureus isolates and the percentage of inhibition ranging from 78.9-88.5%. Also the results of the current study demonstrated that all matured bacterial biofilm was inhibited in at a percentage ranging from 41.2% - 91.2%.

 

Conclusion: This finding proved that klebocin had antibacterial activity against planktonic cells of S.aureus in addition to antibiofilm activity against premature and mature biofilm of MRSA. Also klebocin had broad spectrum activity effecting Gram +ve bacteria and its biofilm production.

Author Biographies

Alyaa Razooqi Hussein

Department of Biology, College of Science, University of Baghdad, Baghdad, Iraq

Zainab Zamel Khalaf

Department of Biology, College of Science, University of Baghdad, Baghdad, Iraq

 

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Published

2022-11-14

How to Cite

1.
Razooqi Hussein A, Zamel Khalaf Z. Antibacterial activity of klebocin against methicillin resistance Staphylococcus aureus. Biomedicine [Internet]. 2022 Nov. 14 [cited 2022 Nov. 27];42(5):983-7. Available from: https://biomedicineonline.org/home/article/view/1968

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