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Recent advances in steroidal saponins biosynthesis and in vitro production

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Abstract

Main conclusion

Steroidal saponins exhibited numerous pharmacological activities due to the modification of their backbone by different cytochrome P450s (P450) and UDP glycosyltransferases (UGTs). Plant-derived steroidal saponins are not sufficient for utilizing them for commercial purpose so in vitro production of saponin by tissue culture, root culture, embryo culture, etc, is necessary for its large-scale production.

Saponin glycosides are the important class of plant secondary metabolites, which consists of either steroidal or terpenoidal backbone. Due to the existence of a wide range of medicinal properties, saponin glycosides are pharmacologically very important. This review is focused on important medicinal properties of steroidal saponin, its occurrence, and biosynthesis. In addition to this, some recently identified plants containing steroidal saponins in different parts were summarized. The high throughput transcriptome sequencing approach elaborates our understanding related to the secondary metabolic pathway and its regulation even in the absence of adequate genomic information of non-model plants. The aim of this review is to encapsulate the information related to applications of steroidal saponin and its biosynthetic enzymes specially P450s and UGTs that are involved at later stage modifications of saponin backbone. Lastly, we discussed the in vitro production of steroidal saponin as the plant-based production of saponin is time-consuming and yield a limited amount of saponins. A large amount of plant material has been used to increase the production of steroidal saponin by employing in vitro culture technique, which has received a lot of attention in past two decades and provides a way to conserve medicinal plants as well as to escape them for being endangered.

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Authors and Affiliations

  1. Biotechnology Division (CSIR-CIMAP), Central Institute of Medicinal and Aromatic Plants, (CSIR-CIMAP) P.O. CIMAP (a laboratory under Council of Scientific and Industrial Research, India), Near Kukrail Picnic Spot, Lucknow, 226015, India

    Swati Upadhyay, Gajendra Singh Jeena,  Shikha & Rakesh Kumar Shukla

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  1. Swati Upadhyay
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  2. Gajendra Singh Jeena
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  3. Shikha
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  4. Rakesh Kumar Shukla
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Correspondence to Rakesh Kumar Shukla.

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Upadhyay, S., Jeena, G.S., Shikha et al. Recent advances in steroidal saponins biosynthesis and in vitro production. Planta 248, 519–544 (2018). https://doi.org/10.1007/s00425-018-2911-0

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