The transcription factor OpWRKY2 positively regulates the biosynthesis of the anticancer drug camptothecin in Ophiorrhiza pumila

X Hao, C Xie, Q Ruan, X Zhang, C Wu… - Horticulture …, 2021 - academic.oup.com
The limited bioavailability of plant-derived natural products with anticancer activity poses
major challenges to the pharmaceutical industry. An example of this is camptothecin, a …

Identification of WRKY transcription factors involved in regulating the biosynthesis of the anti-cancer drug camptothecin in Ophiorrhiza pumila

C Wang, X Hao, Y Wang, I Maoz, W Zhou… - Horticulture …, 2022 - academic.oup.com
Camptothecin is a chemotherapeutic drug widely used to treat various cancers. Ophiorrhiza
pumila is an ideal plant model for the study of camptothecin production, with various …

WRKY transcription factor OpWRKY1 acts as a negative regulator of camptothecin biosynthesis in Ophiorrhiza pumila hairy roots

M Xu, C Wu, L Zhao, Y Wang, C Wang, W Zhou… - Plant Cell, Tissue and …, 2020 - Springer
Camptothecin (CPT) has unique anti-tumor activities, and its analogs such as irinotecan and
topotecan are clinically used as anti-cancer drugs. Recently, CPT biosynthesis pathway is …

[HTML][HTML] Transcription Factor OpWRKY3 Is Involved in the Development and Biosynthesis of Camptothecin and Its Precursors in Ophiorrhiza pumila Hairy Roots

C Wang, C Wu, Y Wang, C Xie, M Shi, S Nile… - International journal of …, 2019 - mdpi.com
The plant Ophiorrhiza pumila produces camptothecin (CPT), a kind of terpene indole
alkaloid (TIAs) that has been widely used in treatment of cancer. Tryptophan-arginine-lysine …

An MYB transcription factor regulating specialized metabolisms in Ophiorrhiza pumila

ER Rohani, M Chiba, M Kawaharada, T Asano… - Plant …, 2016 - jstage.jst.go.jp
Camptothecin is a plant-derived alkaloid and important precursor of clinically used anti-
tumor drugs, but little is known about regulatory mechanism of camptothecin production in …

OpNAC1 transcription factor regulates the biosynthesis of the anticancer drug camptothecin by targeting loganic acid O‐methyltransferase in Ophiorrhiza pumila

X Hao, C Wang, W Zhou, Q Ruan, C Xie… - Journal of Integrative …, 2023 - Wiley Online Library
Camptothecin (CPT) is an anticancer pentacyclic quinoline alkaloid widely used to treat
cancer patients worldwide. However, the biosynthetic pathway and transcriptional regulation …

Suppression of camptothecin biosynthetic genes results in metabolic modification of secondary products in hairy roots of Ophiorrhiza pumila

T Asano, K Kobayashi, E Kashihara, H Sudo, R Sasaki… - Phytochemistry, 2013 - Elsevier
Camptothecin is a monoterpenoid indole alkaloid that exhibits anti-tumor activity. In
Ophiorrhiza pumila, production of camptothecin and its related alkaloids was high in the …

Coupling Deep Transcriptome Analysis with Untargeted Metabolic Profiling in Ophiorrhiza pumila to Further the Understanding of the Biosynthesis of the Anti-Cancer …

M Yamazaki, K Mochida, T Asano… - Plant and cell …, 2013 - academic.oup.com
Abstract The Rubiaceae species, Ophiorrhiza pumila, accumulates camptothecin, an anti-
cancer alkaloid with a potent DNA topoisomerase I inhibitory activity, as well as …

Camptothecin Biosynthetic Genes in Hairy Roots of Ophiorrhiza pumila: Cloning, Characterization and Differential Expression in Tissues and by Stress Compounds

Y Yamazaki, H Sudo, M Yamazaki… - Plant and Cell …, 2003 - academic.oup.com
Camptothecin derivatives are clinically used anti-tumor compounds that biogenetically
belong to a group of monoterpenoid indole alkaloids (TIA). We have already established a …

Targeted metabolic engineering of committed steps improves anti-cancer drug camptothecin production in Ophiorrhiza pumila hairy roots

M Shi, H Gong, L Cui, Q Wang, C Wang, Y Wang… - Industrial crops and …, 2020 - Elsevier
Camptothecin (CPT) is a natural compound with remarkable antitumor activities due to its
special mechanism of inhibiting DNA topoisomerase I. Ophiorrhiza pumila was found to …