…When chromosomes are stained with quinacrine or quinacrine mustard and viewed under a fluorescent microscope, the constitutive heterochromatin regions appear to glow fluorescently. These regions are called Q bands. Also, when chromosomes are heated or treated with an alkali (e.g., barium hydroxide) and then stained with Giemsa solution (a mixture of azure dye, eosin, and methylene blue), the constitutive heterochromatin is stained deep purple. … *Some of the terminology that refers to "Q Band" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…染色体をキナクリンやキナクリンマスタードで染色し蛍光顕微鏡でみると,構成ヘテロクロマチン部位は蛍光で光ってみえる。この部位をQバンドという。また,染色体を加熱やアルカリ(例えば水酸化バリウム)処理したあと,ギムザ液(アズール色素,エオシン,メチレンブルーの混合液)で染色すると,構成ヘテロクロマチンは濃紫色に染まる。… ※「Q バンド」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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