Results 51 to 60 of about 244,931 (149)

Identification and Quantification of Coumarins by UHPLC-MS in Arabidopsis thaliana Natural Populations

Molecules, 2021
Coumarins are phytochemicals occurring in the plant kingdom, which biosynthesis is induced under various stress factors. They belong to the wide class of specialized metabolites well known for their beneficial properties.
Izabela Perkowska, Joanna Siwinska, Alexandre Olry, Jérémy Grosjean, Alain Hehn, Frédéric Bourgaud, Ewa Lojkowska, Anna Ihnatowicz   +7 more
doaj   +1 more source

Effect of overexpressing SdC2'H gene on coumarin content in hairy root of Saposhnikovia divaricata (Turcz.) Schischk.

Huanan Nongye Daxue xuebao
ObjectiveTo establish Saposhnikovia divaricata (Turcz.) Schischk. hairy root culture system overexpressing p-coumaroyl CoA 2'-hydroxylase (C2'H) gene, and explore the regulatory role of SdC2'H gene in coumarin biosynthesis.MethodThe SdC2'H gene was ...
Wenhui SU, Yingchun QI, Lichao ZHANG, Yi CUI, Ruiyun DU, Jingjing CUI, Yunhe WANG, Limin YANG, Zhongming HAN   +8 more
doaj   +1 more source

Coumarin-Conjugated Macromolecular Probe for Sequential Stimuli-Mediated Activation

, 2023
Protein bioconjugation has emerged as one of the most valuable tools for the development of protein-based biochemical assays. Here, we report a fluorescent macromolecular material, RF16_Halo, in which the coumarin derivative RF16 is specifically ...
Fei Ren (172060), Yu Jiang (234328), Shuke Yang (5771762), Andong Shao (1605934), Runqi Li (15369391)   +4 more
core   +1 more source

Coumarin-Annelated Regioisomeric Heptahelicenes: Influence of Helicity on Excited-State Properties and Chiroptical Properties

, 2019
Two regioisomeric pairs of heptahelical mono- and biscoumarins that are differentiated by “inward” and “outward” disposition of the pyran-2-one moiety have been synthesized and investigated to understand the influence of helicity on excited-state and ...
Arindam Mukhopadhyay (1961227), Kanyashree Jana (7299044), Tousif Hossen (3632629), Kalyanasis Sahu (1476931), Jarugu Narasimha Moorthy (1428493)   +4 more
core   +5 more sources

Scopoletin Induced Metabolomic Profile Disturbances in Zebrafish Embryos

Metabolites, 2022
Scopoletin, a typical example of a coumarin compound, exists in several Artemisia species and other plant genera. However, the systemic metabolic effects induced by scopoletin remain unclear.
Weixuan Yao, Jingpei Chen, Zhanyu Lin, Nani Wang, Anli Wang, Binjie Wang, Yuanzhao Wu, Zhongshi Xu, Jiye Wang   +8 more
doaj   +1 more source

Aspergillus westerdijkiae polyketide synthase gene “aoks1” is involved in the biosynthesis of ochratoxin A [PDF]

, 2009
OchratoxinA (OTA) is a potential nephrotoxic, teratogenic, immunogenic, hepatotoxic and carcinogenic mycotoxin, produced by Aspergillus westerdijkiae NRRL 3174.
Atoui, Ali, Mathieu, Florence, Liboz, Thierry, Bacha, Nafees, Lebrihi, Ahmed   +4 more
core   +1 more source

De novo Transcriptome Sequencing Coupled With Co-expression Analysis Reveal the Transcriptional Regulation of Key Genes Involved in the Formation of Active Ingredients in Peucedanum praeruptorum Dunn Under Bolting Period

Frontiers in Genetics, 2021
Peucedanum praeruptorum Dunn is a perennial and one-off flowering plant of the Peucedanum genus in Umbelliferae. The cultivated P. praeruptorum Dunn usually grows nutritionally in the first year and then moves into the reproductive growth in the second ...
Cheng Song, Cheng Song, Xiaoli Li, Xiaoli Li, Bin Jia, Bin Jia, Li Liu, Li Liu, Jinmei Ou, Bangxing Han, Bangxing Han, Bangxing Han   +11 more
doaj   +1 more source

Mycorrhizal colonization and Streptomyces viridosporus HH1 synergistically up-regulate the polyphenol biosynthesis genes in wheat against stripe rust

BMC Plant Biology, 2023
Background Stripe rust is considered one of the most devastating diseases of wheat all over the world, resulting in a high loss in its production. In this study, time-course changes in expression of the polyphenol biosynthesis pathways genes in wheat ...
Younes M. Rashad, Hany H. El-Sharkawy, Sara A. Abdalla, Omar M. Ibrahim, Nahla T. Elazab   +4 more
doaj   +1 more source

Isofraxidin: Synthesis, Biosynthesis, Isolation, Pharmacokinetic and Pharmacological Properties

Molecules, 2020
Isofraxidin (7-hydroxy-6, 8-dimethoxy coumarin) (IF) is a hydroxy coumarin with several biological and pharmacological activities. The plant kingdom is of the most prominent sources of IF, which, among them, Eleutherococcus and Fraxinus are the well ...
Mohammad Bagher Majnooni, Sajad Fakhri, Yalda Shokoohinia, Mahdi Mojarrab, Sara Kazemi-Afrakoti, Mohammad Hosein Farzaei   +5 more
doaj   +1 more source

Combining metabolomics and transcriptomics to reveal the effect of β-glucosidase on scopolin in Angelica dahurica var. formosana

BMC Plant Biology
Angelica dahurica var. formosana (ADF), a diversified variety that integrates medicine, food, and cosmetics, possessing abundant coumarin compounds. One of the pharmacologically active and aromatic components found in it is coumarins.
Yalan Wang, Han Hu, Zhihui Zhou, Duanyang Li, Feixia Hou, Cheng Peng, Jinhui Bian, Jihai Gao   +7 more
doaj   +1 more source