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Abundant genetic diversity in cultivated Codonopsis pilosula populations revealed by RAPD polymorphisms
- Hongming Guo, B. Lu, Qianhong Wu, J. Chen, Tongshui Zhou
- BiologyGenetic Resources and Crop Evolution
- 27 February 2007
The results suggested that irregular and sparse cultivation practices, i.e., random collecting, preserving, and planting seeds of the medicinal species without deliberate selection, might be an efficient way to conserve genetic resources of medicinal plants, in addition to their effective uses.
Baicalin Released from Scutellaria baicalensis Induces Autotoxicity and Promotes Soilborn Pathogens
Experiments were conducted to determine whether allelochemicals released by the important medicinal plant Scutellaria baicalensis Georgi help to explain why S. baicalsensis performs poorly when continuously cropped, and results are consistent with the hypothesis that alle Loclochemical released by S. Baicalensis negatively affect S.Baicalensis directly by inducing autotoxicity and indirectly by increasing pathogen activity in the soil.
Genetic diversity and structure of Cordyceps sinensis populations from extensive geographical regions in China as revealed by inter-simple sequence repeat markers
The genetic diversification of C. sinensis populations may be determined by geographic isolation and the combined effects of life history characters and the interaction with host insect species.
Antioxidative phenols and phenolic glycosides from Curculigo orchioides.
The antioxidant activities of these isolated compounds were evaluated by colorimetric methods based on their scavenging effects on hydroxyl radicals and superoxide anion radicals, respectively.
Genetic Characterization and Phytochemical Analysis of Wild and Cultivated Populations of Scutellaria baicalensis
- Su Su, Chang-Ming He, Linchu Li, Jia-kuan Chen, Tongshui Zhou
- Biology, MedicineChemistry & biodiversity
- 1 July 2008
The results from genetic characterization and phytochemical analysis demonstrated that the quality variation of this drug was mainly determined by extrinsic environmental or agricultural factors, rather than by genetic differences.
Phenylalanine ammonia lyase functions as a switch directly controlling the accumulation of calycosin and calycosin-7-O-beta-D-glucoside in Astragalus membranaceus var. mongholicus plants.
It was demonstrated that the influences of different conditions on CGs biosynthesis, by examining the changes in CGs content, as well as the expression of related genes, directly controls the accumulation of CGs in A. mongholicus plants, in a light-dependent manner during low temperature treatment.
A new phenolic glycoside from the aerial parts of Solidago canadensis.
Molecular cloning, characterization and expression of a chalcone reductase gene from Astragalus membranaceus Bge. var. mongholicus (Bge.) Hsiao
The result showed that the expressed AmCHR protein had molecular weight of about 35 kDa, which matched the size of the predicted protein by bioinformatic analysis, opened avenues towards understanding of the function of AmCHRprotein and the role of the Amchr gene in the calycosin-7-O-β-d-glucoside branch pathway in A. mongholicus.
Antioxidative flavanone glycosides from the branches and leaves of Viscum coloratum.
Two new flavanone glucosides were isolated from the branches and leaves of Viscum coloratum NAKAI (Loranthaceae) and showed potent albeit varied degrees of antioxidative activities and the structure-activity relationship is discussed.
Simultaneous Determination of Five Major Biologically Active Ingredients in Different Parts of Gardenia jasminoides Fruits by HPLC with Diode-Array Detection
A simple, sensitive and specific HPLC method for the simultaneous separation and determination of geniposide, geniposidic acid, chlorogenic acid, crocin 1 and 2 in fruits of Gardenia jasminoides…