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Isolation of a New Natural Product and Cytotoxic and Antimicrobial Activities of Extracts from Fungi of Indonesian Marine Habitats

机译:印度尼西亚海洋栖息地真菌提取物的分离及天然新产物的细胞毒性和抗菌活性

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摘要

In the search for bioactive compounds, 11 fungal strains were isolated from Indonesian marine habitats. Ethyl acetate extracts of their culture broth were tested for cytotoxic activity against a urinary bladder carcinoma cell line and for antifungal and antibacterial activities against fish and human pathogenic bacteria as well as against plant and human pathogenic fungi. The crude extract of a sterile algicolous fungus (KT31), isolated from the red seaweed Kappaphycus alvarezii (Doty) Doty ex P.C. Silva exhibited potent cytotoxic activity with an IC50 value of 1.5 μg/mL. Another fungal strain (KT29) displayed fungicidal properties against the plant pathogenic fungus Cladosporium cucumerinum Ell. et Arth. at 50 μg/spot. 2-Carboxy-8-methoxy-naphthalene-1-ol (>1) could be isolated as a new natural product.
机译:在寻找生物活性化合物时,从印度尼西亚海洋生境中分离出11种真菌菌株。测试了其培养液的乙酸乙酯提取物对膀胱癌细胞系的细胞毒性活性,以及​​对鱼类和人类致病细菌以及植物和人类致病真菌的抗真菌和抗菌活性。从红海藻Kappaphycus alvarezii(Doty)Doty ex P.C.分离得到的无菌藻类真菌(KT31)的粗提物。 Silva表现出强大的细胞毒性活性,IC50值为1.5μg/ mL。另一株真菌菌株(KT29)对植物病原真菌黄瓜(Cladosporium cucumerinum Ell)显示出杀真菌特性。等。在50微克/点可以分离出2-羧基-8-甲氧基萘-1-醇(> 1 )作为一种新的天然产物。

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