Research Article: Assessment of antifungal, antimicrobial and cytotoxic activities of marine zoanthid (Phylum Cnidaria, Class Anthozoa) extract in marine habitats of Hengam Island, Persian Gulf, Iran
محل انتشار: مجله علوم شیلات ایران، دوره: 21، شماره: 4
سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 209
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شناسه ملی سند علمی:
JR_JIFRO-21-4_009
تاریخ نمایه سازی: 18 مهر 1401
چکیده مقاله:
In search for bioactive products, three zoanthid species (Zoanthus spp., Palythoa tuberculosa and Palythoa mutuki) were collected from offshore zone of Hengam Island. Three extracts of each zoanthids (methanol, dichloromethane (DCM) and n-hexane) were tested for antifungal and antibacterial activities against certified strains of bacteria (two Gram-positive: Bacillus subtilis, Staphylococcus aureus and three Gram-negative: Escherichia coli, Pseudomonas aeruginosa, Proteus vulgaris) and fungi (Candida albicans, Microsporum gypseum, Microsporum canis) through the disk diffusion assay. Cytotoxic activity of these extracts was evaluated against Artemia nauplii. The results showed that ۸ extracts (۸۸.۸۸%) of the zoanthids were active against at least one bacterial strain and ۶ extracts (۶۶.۶%) were active against at least one fungus (the activity against bacteria was moderate). Also, minimum inhibitory concentrations (MICs) of the extracts with desirable (inhibition zone more than ۹mm) in the previous stage were assessed. Among the ۹ zoanthids extract, ۸۸.۸۸% showed activity against some of the five bacteria, and ۶۶.۶% showed activity against some of the three fungi. The most active zoanthid extract against three fungi was dichloromethane extract of the Zoanthus ssp. that showed promising antifungal activity against Candida albicans in vitro models. The minimum inhibitory concentrations and LC۵۰ values of dichloromethane extract of Zoanthus ssp were ۱۲۵μg/mL and ۱۸۱μg/mL, respectively. Therefore, this extract can be a candidate for candidiasis therapy. LC۵۰ of DCM, crude extract of Palythoa mutuki was ۳۱µg/ml, showing high toxicity. This is the first report of biological activities of marine zoanthids from an Iranian Island of Persian Gulf.
کلیدواژه ها:
نویسندگان
S.S. Eisapoor
Pasteur Institute of Iran
Sh. Safaeian
Department of Marine Biology, Islamic Azad University, North Tehran Branch, Tehran, Iran
A. Mahmoodzadeh
Department of Biology, Islamic Azad University, Roudehen Branch, Roudehen, Iran
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