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Are Histones the Targets for Flavan-3-ols (Catechins) in Nuclei?
Abstract Binding of flavan-3-ols to nuclei is characteristic of Tsuga canadensis (coniferous tree). This is achieved with the DMACA reagent (ρ-dimethylaminocinnamaldehyde), which stains almost… Expand
Flavonoids in plant nuclei: detection by laser microdissection and pressure catapulting (LMPC), in vivo staining, and uv–visible spectroscopic titration
Previous studies in our laboratory have indicated that the nuclei of a number of trees are associated with flavonoids, especially flavan--3--ols. In the present study, three techniques were applied… Expand
Nuclei of tea flowers as targets for flavanols.
The tea plant (Camellia sinensis L.) is famous for its flavanol-based constituents being valuable for human health. These flavanols associate with the nuclei of tea flowers, which is demonstrated… Expand
Microspore development of three coniferous species: affinity of nuclei for flavonoids.
The nuclear localization of blue-staining flavanols was investigated histochemically throughout microsporogenesis in yellow cypress (Callitropsis nootkatensis (D. Don) Oerst., formerly Cupressus… Expand
Flavanols in somatic cell division and male meiosis of tea (Camellia sinensis) anthers.
Young anthers excised from closed tea flower buds ( Camellia sinensis L.) were stained as fresh tissues with p-dimethylaminocinnamaldehyde reagent to localize flavanols associated with nuclei and… Expand
Variation of the Nuclear, Subnuclear and Chromosomal Flavanol Deposition in Hemlock and Rye
Nuclei of hemlock (Tsuga canadensis and Tsuga canadensis var. nana) were investigated for the presence of flavanols. Histochemical staining with p-dimethylaminocinnamaldehyde proved to be a highly… Expand
Nuclei of Taxus baccata: Flavanols Linked to Chromatin Remodeling Factors
Microscopic studies of young needles and shoot tips from Taxus baccata showed that flavanols are localized in the nuclei. This observation is based on the histochemical staining of flavanols with the… Expand
Spectroscopic–kinetic analysis of first and second order reactions on the basis of multidimensional absorbance (A) diagrams
The absorbance (A), absorbance difference (AD) and absorbance difference quotient (ADQ) diagrams are called Mauser diagrams. Typically, these diagrams represent two-dimensional plots. The so-called… Expand
Loss of nuclear flavanols during drought periods in Taxus baccata.
Normally, needles of Taxus baccata during the growth period prominently stain blue for nuclear flavanols with the histochemical DMACA procedure. However, under excess heat and drought conditions,… Expand
FLAVANOLS IN NUCLEI AND CYTOPLASM: REDUCTION OF THE MICRONUCLEI-INDUCING EFFECT OF AFLATOXIN B1 IN V79 CELLS THROUGH CATECHIN
Nuclei of V79 cells showed that, in response to the carcinogen aflatoxin B 1 (0.10 - 2.5 μg/ml), the average number of micronuclei was significantly increased in comparison with controls.… Expand