来自Nigrospora sp的氧化索拉尼皮龙类似物 IQ-064,一个与红树林相关的真菌
Carlos A Fajardo-Hernández1, Ángel Sahid Aguilar-Colorado1, Leslie Maribel Corona-Cabello1
1Instituto de Química, Departamento de Productos Naturales, Universidad Nacional Autónoma de México, Mexico City, Mexico.
Chemistry & biodiversity
|August 25, 2025
概括
研究人员从红树林真菌中分离出新的索拉尼类型. 这些化合物对糖尿病标或细菌病原体没有显著的活性,但可能具有其他分子标.
科学领域:
- 自然产品化学
- 海洋真菌学
- 医学化学
背景情况:
- 与红树林生态系统相关的真菌是新生物活性化合物的丰富来源.
- 尼格斯波拉物种以前已经产生了具有多样性的生物活动的化合物.
- 红树林相关的真菌是药物发现的未经探索的领域.
研究的目的:
- 从Nigrospora sp中分离和描述新的索拉尼类型. 它们是IQ-064菌株.
- 评估分离的化合物对人类蛋白质氨酸酸酶1B (hPTP1B) 和Acinetobacter baumannii的抑制活性.
- 预测替代分子标并分析分离化合物的ADME特性.
主要方法:
- 使用基于分子网络和化学分类学标准的向代谢策略来分离化合物.
- 使用高分辨率电喷射电离质谱法 (HRESIMS) 和核磁共振 (NMR) 光谱法进行结构阐明.
- 通过比较实验和计算的电子循环二元化 (ECD) 光谱来确定绝对配置.
主要成果:
- 两种新的氧化索拉皮龙类似物,尼格洛斯波拉皮龙E和F,以及七种已知的化合物被分离出来.
- 新化合物的结构和相对配置得到了充分的描述.
- 没有发现对hPTP1B或Acinetobacter baumannii有显著的抑制作用.
- 使用瑞士ADME和PASS分析预测了ADME的特性和可能的生物活性光谱.
结论:
- 该研究成功地从红树林相关的真菌中分离和鉴定了新型索拉尼类型.
- 在测试中,分离的化合物没有显著的生物活性,这表明抗糖尿病或抗菌应用的潜力有限.
- 对此类化合物的预测替代分子点进行进一步的研究是有必要的.
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