Chlorella vulgaris as a producer of lipids for antibacterial, antibiofilm and antifungal properties

普通小球藻 抗真菌 化学 传统医学 抗菌剂 生物膜 微生物学 食品科学 生物 植物 藻类 细菌 医学 遗传学
作者
Sanaa Ouzakar,Nadia Skali Senhaji,Francesca Rigano,Cinzia Cafarella,Ayoub Kounnoun,Francesco Cacciola,Jamal Abrini
出处
期刊:Natural Product Research [Taylor & Francis]
卷期号:: 1-9
标识
DOI:10.1080/14786419.2025.2462115
摘要

The aim of this study was to investigate the antibacterial, antifungal, and anti-biofilm activities of the methanolic extract of marine Chlorella vulgaris along with its lipid composition, including carotenoids. The C. vulgaris strain, isolated from the Mediterranean coast of northern Morocco, was identified morphologically and molecularly by partial sequencing of the 18S rRNA gene. The methanolic extract of C. vulgaris demonstrated significant antibacterial activity against both Gram-positive and Gram-negative pathogenic bacteria, with MIC values ranging from 3.12 to 12.5 mg mL−1. The antibiofilm activity of the extract was dose-dependent against Staphylococcus epidermidis and Pseudomonas aeruginosa. The extract demonstrated antifungal activity against four fungal strains. A. brasiliensis was shown to be the most sensitive species, whereas M. hiemalis was the least sensitive one. The identified lipid compounds mainly consisted of polar species e.g. phospholipids and carotenoids including lutein and neoxanthin, whose antimicrobial activity is generally recognised.

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