Peptidolipins B-F, antibacterial lipopeptides from an ascidian-derived Nocardia sp.

Peptidolipins B-F, antibacterial lipopeptides from an ascidian-derived Nocardia sp.
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DOI:
10.1021/np300016r
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发表时间:
2012-04-27
影响因子:
5.1
通讯作者:
Bugni TS
Bugni TS
中科院分区:
生物学2区
文献类型:
--
作者:
Wyche TP;Hou Y;Vazquez-Rivera E;Braun D;Bugni TS

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海洋诺卡氏菌属。从海鞘中分离出来的 Trididemnum orbiculatum 被发现可产生五种新的脂肽:肽磷脂 B-F (1-5),它们与之前报道的肽磷脂 NA 的 L-Val(6) 类似物具有明显的相似性。肽磷脂 E (4) 的合成修饰用于确定脂质链内烯烃的位置。 Advanced Marfey 方法用于确定氨基酸的绝对构型。肽磷脂 B (1) 和 E (4) 对耐甲氧西林金黄色葡萄球菌 (MRSA) 和甲氧西林敏感金黄色葡萄球菌 (MSSA) 表现出中等抗菌活性。
A marine Nocardia sp. isolated from the ascidian Trididemnum orbiculatum was found to produce five new lipopeptides, peptidolipins B-F (1–5), which show distinct similarities to the previously reported L-Val(6) analog of peptidolipin NA. Synthetic modification of peptidolipin E (4) was used to determine the location of an olefin within the lipid chain. Advanced Marfey’s method was used to determine the absolute configurations of the amino acids. Peptidolipins B (1) and E (4) demonstrated moderate antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-sensitive Staphylococcus aureus (MSSA).
DOI: 10.1016/0006-291x(85)91985-0
发表时间: 1985-01-01
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