Neptunizhulides, Cryptic trans-AT Polyketide Synthase-Derived Metabolites from Paraneptunicella aestuarii NBU2194

IF 5 1区 化学 Q1 CHEMISTRY, ORGANIC Organic Letters Pub Date : 2025-01-08 DOI:10.1021/acs.orglett.4c03801
Liwei Liu, Yanzhu Zhang, Jouni Jokela, Dacheng Wang, Matti Wahlsten, C. Benjamin Naman, Yanrong Li, Shan He
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Abstract

Genome mining of Paraneptunicella aestuarii NBU2194 resulted in the identification of a family of 17-membered macrolides, neptunizhulides A–F. Their structures were elucidated by comprehensive spectroscopic data analysis. Stereochemical assignments of the neptunizhulides were determined by J-based configuration analysis, ROESY NMR, Mosher’s ester derivatization, and bioinformatic predictions. Bioinformatic analysis and a 15N-serine labeling experiment resulted in the identification of a putative trans-acyltransferase polyketide synthase (trans-AT PKS) biosynthetic gene cluster, and a biosynthetic pathway is proposed.

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netunizulides,隐式反式at多酮合成酶衍生的代谢物,来自aestuaripareptunicella NBU2194
对aestuaripareptunicella NBU2194的基因组挖掘鉴定出一个17个成员的大环内酯家族,neptunizhulides a - f。通过综合光谱数据分析,对它们的结构进行了鉴定。通过j基构型分析、ROESY核磁共振、Mosher酯衍生化和生物信息学预测确定了海螺柱内酯的立体化学配位。生物信息学分析和15n -丝氨酸标记实验鉴定了一个推测的反式酰基转移酶聚酮合成酶(trans-AT PKS)生物合成基因簇,并提出了一条生物合成途径。
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来源期刊
Organic Letters
Organic Letters 化学-有机化学
CiteScore
9.30
自引率
11.50%
发文量
1607
审稿时长
1.5 months
期刊介绍: Organic Letters invites original reports of fundamental research in all branches of the theory and practice of organic, physical organic, organometallic,medicinal, and bioorganic chemistry. Organic Letters provides rapid disclosure of the key elements of significant studies that are of interest to a large portion of the organic community. In selecting manuscripts for publication, the Editors place emphasis on the originality, quality and wide interest of the work. Authors should provide enough background information to place the new disclosure in context and to justify the rapid publication format. Back-to-back Letters will be considered. Full details should be reserved for an Article, which should appear in due course.
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