hoechst 33258

A bisbenzimidazole dye employed in cytochemistry and fluorescence microscopy as a sensitive indicator of DNA in chromosomes, specifically constitutive heterochromatin.

Medical dictionary. 2011.

Look at other dictionaries:

  • Hoechst 33258 dye — A fluorescent dye that is a specific stain for DNA, and can therefore be used to visualize chromosomes, and to monitor animal cell cultures for contamination by microorganisms such as mycoplasma …   Dictionary of molecular biology

  • Hoechst (colorante) — Hoechst 33258 Hoechst (magenta) unido al surco menor del ADN (verde y azul). Image …   Wikipedia Español

  • Hoechst stain — cells, with overlay of Hoechst 33258 staining (blue). The leftmost cell is in the metaphase stage of mitosis; its chromosomes fluoresce brightly because they contain highly compacted DNA.] The Hoechst stains are part of a family of fluorescent… …   Wikipedia

  • Staining — is an auxiliary technique used in microscopy to enhance contrast in the microscopic image.In biochemistry it involves adding a class specific (DNA, proteins, lipids, carbohydrates) dye to a substrate to qualify or quantify the presence of a… …   Wikipedia

  • SCE-Färbung — Schema eines Schwesterchromatidaustauschs. Im unteren Bereich sind die Enden der Chromatiden vertauscht …   Deutsch Wikipedia

  • SCE-Test — Schema eines Schwesterchromatidaustauschs. Im unteren Bereich sind die Enden der Chromatiden vertauscht …   Deutsch Wikipedia

  • Schwesterchromatidaustausch — Schema eines Schwesterchromatidaustauschs. Im unteren Bereich sind die Enden der Chromatiden vertauscht. Metaphasepräparat von Chr …   Deutsch Wikipedia

  • stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… …   Medical dictionary

  • флуорохром — fluorochrome флуорохром. Kраситель, обладающий люминисцентными свойствами и используемый при флуоресцентной микроскопии <fluorescence microscopy>: специфичные в отношении пары аденин тимин Ф. Хехст 33258 <Hoechst 33258>, DAPI, в… …   Молекулярная биология и генетика. Толковый словарь.

  • латеральная асимметрия — lateral asymmetry латеральная асимметрия. Неодинаковое по интенсивности окрашивание центромерных областей сестринских хроматид одной хромосомы, что, вероятно, связано с неодинаковым содержанием тимина в сателлитной ДНК <satellite DNA>… …   Молекулярная биология и генетика. Толковый словарь.

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