P450s controlling metabolic bifurcations in plant terpene specialized metabolism.

P450s controlling metabolic bifurcations in plant terpene specialized metabolism.
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DOI:
10.1007/s11101-017-9530-4
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发表时间:
2018
期刊:
Phytochemistry reviews : proceedings of the Phytochemical Society of Europe
影响因子:
--
通讯作者:
Hamberger B
Hamberger B
中科院分区:
其他
文献类型:
--
作者:
Banerjee A;Hamberger B

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细胞色素P450(P450)催化惰性碳氢化合物骨架的立体和区域特异性氧化,以及一系列在正规化学合成中固有的难于发生的奇异反应,为生物技术工程提供了突出的潜力。随着深度转录学和全基因组发现的进展,植物及其令人眼花缭乱的多样化专门代谢物已经成为功能P450的丰富储存库。P450对于理解整个进化过程中的化学多样性,通过研究它们的结构-功能关系获得机制上的洞察,以及在合成生物学中的开发都具有突出的兴趣。在这篇综述中,我们重点介绍了在2016年至2017年初发现的参与工业相关单萜、倍半萜、二萜和三萜生物合成的植物P450的最新进展和例子。选择例子说明从商品化学品、香料和芳香化合物到具有药理活性的萜类化合物的价值光谱。我们专注于最近出现的一个主题,在这个主题中,P450要么在一条途径内,要么通过相关物种中的新功能化,控制最终产物图谱的代谢分叉和化学多样性。这些影响可能为重组途径的合理组装、高价值萜类化合物的生物技术生产和新化学实体的产生提供参考。
Catalyzing stereo- and regio-specific oxidation of inert hydrocarbon backbones, and a range of more exotic reactions inherently difficult in formal chemical synthesis, cytochromes P450 (P450s) offer outstanding potential for biotechnological engineering. Plants and their dazzling diversity of specialized metabolites have emerged as rich repository for functional P450s with the advances of deep transcriptomics and genome wide discovery. P450s are of outstanding interest for understanding chemical diversification throughout evolution, for gaining mechanistic insights through the study of their structure–function relationship, and for exploitation in Synthetic Biology. In this review, we highlight recent developments and examples in the discovery of plant P450s involved in the biosynthesis of industrially relevant monoterpenoids, sesquiterpenoids, diterpenoids and triterpenoids, throughout 2016 and early 2017. Examples were selected to illustrate the spectrum of value from commodity chemicals, flavor and fragrance compounds to pharmacologically active terpenoids. We focus on a recently emerging theme, where P450s control metabolic bifurcations and chemical diversity of the final product profile, either within a pathway, or through neo-functionalization in related species. The implications may inform approaches for rational assembly of recombinant pathways, biotechnological production of high value terpenoids and generation of novel chemical entities.
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