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Original Research 


SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz.

Abstract
The aim of this study was to investigate the antibacterial and antifungal activities in some marine organisms from the Red Sea and Suez Canal area. Samples were collected, extracted and dried following a standard method. The obtained crude extracts were tested against two bacterial species (Staphylococcus aureus and Escherichia coli) and one fungus Candida albicans using two assay methods. The disk diffusion assay was used to screen for the presence of antimicrobial agents in the extracts through observing the inhibition zone of growth. The efficiency of the active extracts was determined using the microdilution assay. Out of the eight extracts, only one the soft coral Sarcophyton glaucum showed antibacterial effect. On the other hand, extracts of the soft coral Sarcophyton glaucum and the cucumber Bohadschia graeffei exhibited antifungal activities. Interestingly the extract of the sea cucumber Bohadschia graeff showed strong antifungal activity with LC50=67µg/ml and minimum inhibition concentration (MIC) in the range of 75-100 µg/ml. Results suggested that the Red Sea soft corals and sea cucumbers are a potential natural source for biomedical compounds.

Key words: Marine extracts, Secondary metabolites, microbial activities


 
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How to Cite this Article
Pubmed Style

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz. SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA. Egypt. J. Exp. Biol. (Zoo.). 2008; 4(0): 223-228.

Web Style

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz. SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA. https://www.egyseb.net/ejebz/?mno=188922 [Access: June 03, 2023].

AMA (American Medical Association) Style

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz. SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA. Egypt. J. Exp. Biol. (Zoo.). 2008; 4(0): 223-228.


Vancouver/ICMJE Style

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz. SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA. Egypt. J. Exp. Biol. (Zoo.). (2008), [cited June 03, 2023]; 4(0): 223-228.


Harvard Style

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz (2008) SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA. Egypt. J. Exp. Biol. (Zoo.), 4 (0), 223-228.


Turabian Style

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz. 2008. SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA. THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Zoology), 4 (0), 223-228.


Chicago Style

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz. "SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA." THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Zoology) 4 (2008), 223-228.


MLA (The Modern Language Association) Style

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz. "SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA." THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Zoology) 4.0 (2008), 223-228. Print.


APA (American Psychological Association) Style

Rafat MA. Khattab, Abdallah E. Ali, Basma El-Nomany, Tarek A. Temraz (2008) SCREENING FOR ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN SOME SELECTED MARINE ORGANISMS OF THE SUEZ CANAL AND RED SEA. THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Zoology), 4 (0), 223-228.


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