Penthorum chinense Pursh has been celebrated for its medicinal value, known for its potent antioxidant properties (Wikimedia Commons) 
Biotechnology

The Secret Life of Penthorum Chinense: A Genome's Tale of Medicine and Evolution

The study presents the first complete genome assembly of Penthorum chinense Pursh, shedding light on its evolutionary history and metabolic diversity

MBT Desk
For centuries, Penthorum chinense Pursh has been celebrated for its medicinal value, known for its potent antioxidant properties and ability to protect the liver from damage. However, the genetic mechanisms underlying these therapeutic effects, particularly the biosynthesis of flavonoids, have remained elusive.

Unraveling these molecular pathways is critical, as it could pave the way for the development of plants with improved medicinal properties and the creation of novel therapeutic agents. This study rises to the challenge, aiming to decode the genetic secrets of this valuable plant and enhance its application in medicine.

Researchers from Zhejiang University, in collaboration with Lishui Institute of Agriculture and Forestry Sciences, have published their findings (DOI: 10.1093/hr/uhad274) in the prestigious journal Horticulture Research. Released on December 19, 2023, the study presents the first complete genome assembly of Penthorum chinense Pursh, shedding light on its evolutionary history and metabolic diversity.

Our study provides a comprehensive understanding of Penthorum chinense Pursh, from its evolutionary position within the Superrosids to the complex mechanisms driving its medicinal compounds. This genomic resource will be an invaluable asset for future research and could lead to the development of new therapeutic strategies.
Dr. Kejun Cheng

The comprehensive genome assembly of Penthorum chinense Pursh represents a significant scientific achievement, revealing a genome of 257.5 Mb across nine chromosomes with a notably low transposable element content. This breakthrough offers a more detailed and accurate genetic map of the plant.

 A particular focus on cytochrome P450 (CYP) genes, which play a crucial role in metabolite synthesis, led to the identification of 170 CYP genes across 57 families.

Remarkably,the CYP727 and CYP709 families are unique to Penthorum chinense Pursh, hinting at their involvement in the plant's distinctive metabolic profile. Through metabolomic and transcriptomic analyses, young leaves and flowers were identified as the richest sources of the plant's key medicinal compounds—kaempferol, quercetin, and pinocembroside.

These findings not only resolve long-standing phylogenetic debates within the Superrosids clade but also offer profound insights into the plant's metabolic diversity, particularly in flavonoid biosynthesis. The discovery of gene regulatory networks linked to these compounds marks a significant step toward understanding and enhancing the plant's therapeutic potential.

The deeper understanding of Penthorum chinense Pursh could fuel the creation of new pharmaceuticals and nutraceuticals, offering innovative solutions for modern healthcare (Freepik)

The implications of this research go far beyond academia. By revealing the plant's genetic makeup and metabolic pathways, the study holds promise for revolutionizing the cultivation of Penthorum chinense Pursh for medicinal use. With a deeper understanding of its biosynthesis mechanisms, breeders could develop strains with enhanced medicinal properties. This, in turn, could fuel the creation of new pharmaceuticals and nutraceuticals, offering innovative solutions for modern healthcare. The study offers profound insights into the therapeutic potential of Penthorum chinense Pursh, marking a new chapter in the plant’s role in contemporary medicine.

(Newswise/PD)

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