Dataset Information

Acylated Flavone O-Glucuronides from the Aerial Parts of Nepeta curviflora.

ABSTRACT: Nepeta curviflora Boiss. (Syrian catnip) is native to the Middle East. This medicinal plant is commonly used against nervous disorders, rheumatic pains, and high blood pressure. Herbal infusions prepared from various Nepeta spp. are extensively consumed as functional food. However, limited information has been known about the phenolic constituents of Syrian catnip. In this study, two acylated flavone 7-O-glucuronides, apigenin 7-O-(2?-O-(2?-(E-caffeoyl)-?-glucuronopyranosyl)-?-glucuronopyranoside) (1) and luteolin 7-O-(2?-O-(2?-(E-caffeoyl)-?-glucuronopyranosyl)-?-glucuronopyranoside) (2), along with the known phenolic compounds rosmarinic acid, caffeic acid, apigenin, and apigenin 7-O-?-glucopyranoside were isolated from the aerial parts of N. curviflora. The characterizations of these compounds were based on high-resolution mass spectrometry, UV, and extensive use of multidimensional NMR spectroscopy. The new compounds (1 and 2) were identified in the unmodified state and as dimethylesters.

SUBMITTER: Rabee M

PROVIDER: S-EPMC7504054 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Acylated Flavone O-Glucuronides from the Aerial Parts of Nepeta curviflora.

Rabee Maysaa M Andersen Øyvind Moksheim ØM Fossen Torgils T Enerstvedt Kjersti Hasle KH Abu Ali Hijazi H Rayyan Saleh S

Molecules (Basel, Switzerland) 20200820 17

Nepeta curviflora Boiss. (Syrian catnip) is native to the Middle East. This medicinal plant is commonly used against nervous disorders, rheumatic pains, and high blood pressure. Herbal infusions prepared from various Nepeta spp. are extensively consumed as functional food. However, limited information has been known about the phenolic constituents of Syrian catnip. In this study, two acylated flavone 7-O-glucuronides, apigenin 7-O-(2″-O-(2‴-(E-caffeoyl)- ...[more]

PMID: 32825223

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Project description:In Arabidopsis thaliana, the immediate early response of plants to cytokinin is formulated as the multistep AHK-AHP-ARR phosphorelay signaling circuitry, which is initiated by the cytokinin-receptor histidine protein kinases. In the hope of finding components (or genes) that function downstream of the cytokinin-mediated His-Asp phosphorelay signaling circuitry, we carried out genome-wide microarray analyses. To this end, we focused on a pair of highly homologous ARR10 and ARR12 genes by constructing an arr10 arr12 double null mutant. The mutant alleles used in this study were arr10-5 and arr12-1. arr10-5 is the SALK_098604 T-DNA insertion line, whose mutation was determined to be located in the fifth exon of the ARR10 coding sequence. Arr12-1 is the SALK_054752 T-DNA insertion line, whose mutation was determined to be located in the third exon of the ARR12 coding sequence. The resulting mutant exhibits a characteristic phenotype with regard to the cytokinin-mediated His-Asp phosphorelay. Here we, therefore, compared response to cytokinin in wild type with that in arr10 arr12 double mutant. In this study, wild type and the arr10 arr12 double mutant grown vertically on MS agar plates for 2 weeks were treated with 20uM t-zeatin or 0.02% DMSO (solvent for t-zetion solution) for 1h. These treated plant samples were divided into three portions, from which RNA samples were prepared separately from aerial parts of seedlings with use of RNeasy Plant Mini Kit (Qiagen, Valencia, CA, U.S.A.). The Quality of RNAs prepared was analyzed by Bioanalyzer 2100 (Agilent Technologies). These RNA samples were processed as recommended by the Affymetrix instruction (Affymetrix GeneChip Expression Analysis Technical Manual, Affymetrix). These dataset will provide us with bases for understanding the early response to cytokinin on aerial parts of seedlings in Arabidopsis thaliana. Experimenter name: Hitoshi SAKAKIBARA Experimenter phone: 81455039576 Experimenter fax: 81455039609 Experimenter address: Biodynamics Research Team Experimenter address: RIKEN Plant Science Center Experimenter address: 1-7-22 Suehiro, Tsurumi Experimenter address: Yokohama Experimenter zip/postal_code: 230-0045 Experimenter country: JAPAN Keywords: compound_treatment_design;

Dataset Information

Acylated Flavone O-Glucuronides from the Aerial Parts of Nepeta curviflora.

Publications

Acylated Flavone <i>O</i>-Glucuronides from the Aerial Parts of <i>Nepeta curviflora</i>.

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