Complex scaffold remodeling in plant triterpene biosynthesis.

Complex scaffold remodeling in plant triterpene biosynthesis.
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植物三萜生物合成中的复杂支架重塑。

DOI:
10.1126/science.adf1017
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发表时间:
2023-01-27
期刊:
Science (New York, N.Y.)
影响因子:
--
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--
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其他
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具有复杂骨架修饰的三萜广泛存在于植物界。柑橘属是导致柑橘苦味的典型家族(例如,柠檬苦素)和印楝油的活性成分,印楝油是一种广泛使用的生物杀虫剂(例如,印楝素)。尽管柠檬苦素类化合物具有商业价值,但尚未描述完整的生物合成途径。在这里,我们报告了22种酶的发现,包括一对neofunctionalized甾醇异构酶,催化12个独特的反应,在总的生物合成kihadalactone A和azadiraone,产品承担签名柠檬苦素呋喃。这些结果使得能够获得有价值的柠檬苦素类化合物,并提供了一个模板,发现和重建的三萜生物合成途径的植物,需要多个骨架重排和氧化。发现了22种酶,负责从柑橘和楝科物种中产生具有复杂支架重排的生物活性柠檬苦素类化合物。
Triterpenes with complex scaffold modifications are widespread in the plant kingdom. Limonoids are an exemplary family that are responsible for the bitter taste in citrus (e.g., limonin) and the active constituents of neem oil, a widely used bioinsecticide (e.g., azadirachtin). Despite the commercial value of limonoids, a complete biosynthetic route has not been described. Here, we report the discovery of 22 enzymes, including a pair of neofunctionalized sterol isomerases, that catalyze 12 unique reactions in the total biosynthesis of kihadalactone A and azadiraone, products that bear the signature limonoid furan. These results enable access to valuable limonoids and provide a template for discovery and reconstitution of triterpene biosynthetic pathways in plants that require multiple skeletal rearrangements and oxidations. Discovery of 22 enzymes responsible for the production of bioactive limonoids with complex scaffold rearrangements from Citrus and Meliaceae species.
DOI: 10.1055/s-2004-821235
发表时间: 2004-09-01
期刊: PLANT BIOLOGY
影响因子: 3.9
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Ohri, D;Bhargava, A;Chatterjee, A
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DOI: 10.1006/abbi.2001.2378
发表时间: 2001-06-15
影响因子: 3.9
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通讯作者: Croteau, R
DOI: 10.1073/pnas.1906083116
发表时间: 2019-08-20
影响因子: 11.1
作者:
Hodgson, Hannah;De La Pena, Ricardo;Osbourn, Anne
通讯作者: Osbourn, Anne
DOI: 10.1039/p19790002959
发表时间: 1979-01-01
期刊: JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1
影响因子: --
作者:
CONNOLLY, JD;LABBE, C;TAYLOR, DAH
通讯作者: TAYLOR, DAH