An Unusual Stress Metabolite from a Hydrothermal Vent Fungus Aspergillus sp. WU 243 Induced by Cobalt.

An Unusual Stress Metabolite from a Hydrothermal Vent Fungus Aspergillus sp. WU 243 Induced by Cobalt.
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来自热液通风口真菌曲霉属的不寻常应激代谢物。

DOI:
10.3390/molecules21010105
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发表时间:
2016-01-16
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Wu B
Wu B
中科院分区:
其他
文献类型:
--
作者:
Ding C;Wu X;Auckloo BN;Chen CT;Ye Y;Wang K;Wu B

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从曲霉菌株发酵液中诱导出一种具有独特融合多环结构的新型杂化聚酮-萜类化合物--曲霉应激素(1)。吴243受钴离子刺激。该菌株是从文昌鱼的消化腺中分离出来的,这是一种生活在台湾奎山岛热液喷口的独特类型的螃蟹。用波谱方法确定了应激代谢产物的化学结构和相对构型。曲霉属(Aspergilla sp.)吴243只在钴胁迫培养条件下产生Aspergressin(1)。结果表明,压力驱动的热液喷口真菌新天然产物的发现是从热液喷口环境中发现的物种中揭示未开发的小分子储集层的有效策略。
A novel hybrid polyketide-terpenoid, aspergstressin (1), possessing a unique fused polycyclic structure, was induced from culture broth of strain Aspergillus sp. WU 243 by cobalt ion stimulation. The strain was isolated from the digestive gland of Xenograpsus testudinatus, a unique type of crab which dwells in the Kueishantao hydrothermal vents off Taiwan. The chemical structure and relative configuration of the stress metabolite were established by spectroscopic means. Aspergillus sp. WU 243 produced aspergstressin (1) only under cobalt stressed culture conditions. The results show that stress-driven discovery of new natural products from hydrothermal vent fungi is an effective strategy to unveil the untapped reservoir of small molecules from species found in the hydrothermal vent environment.
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发表时间: 2010-09
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