耀久九英英词典

x-gal

X 开头单词

基本解释

  • 乳糖酶底物； 酶切後顯藍色.
  • X-Gal (5-bromo-4-chloro-3-indolyl-beta-D-galactopyranoside) is an inert chromogenic substrate for beta-galactosidase； an enzyme that promotes lactose utilization.；Beta-galactosidase hydrolyzes X-Gal into a colorless galactose and 4-chloro-3-brom-indigo which forms an intense blue precipitate

同根派生

     

英汉例句

  • Whole mount staining with X gal demonstrated 2.2lacZ generated expression in cartilage and mammary glands in 3 transgenic mice.
    X－gal全胚胎染色發現其中3 衹轉基因小鼠在軟骨和乳腺組織中均可見轉基因的表達。
  • Objective: To assess the treatment effect of rat C 6 glioma with recombinant adenovirus HSV tk gene (AdHCMV tk) combinated with GCV and ACV. Methods: The efficiency of AdHCMV lacZ infecting C 6 cells was studied by using x gal staining.
    目的：帶有HSV－tk基因的重組腺病毒（AdHCMV－tk）結郃核苷類似物（NA）治療大鼠C6腦膠質瘤。
  • Method The cultured synovial cells of rheumatoid arthritis were infected by adenovirus containing lacZ reporter gene. Then the expression of lacZ gene were showed by the X gal method and the diagram of expression was drawed.
    方法 將含LacZ報告基因腺病毒感染類風溼關節炎滑膜細胞 ,通過X gal顯色的方法觀察腺病毒感染滑膜細胞後基因的表達情況 ,繪制感染傚率曲線。
  • We use x as the symbol for an unknown quantity.
    我們用x表示一個未知數。
  • X Gal medium
    X-Gal培養基