硫代硫酸鹽-檸檬酸鹽-膽鹽-蔗糖洋菜培養基

硫代硫酸鹽-檸檬酸鹽-膽鹽-蔗糖洋菜培養基(Thiosulfate-citrate-bile salts-sucrose agar,簡稱TCBS培養基),也稱為弧菌選擇培養基,是一種用來檢驗弧菌種類的培養基[1]無法發酵蔗糖的細菌,例如腸炎弧菌,在此培養基上的菌落顏色會呈現綠色;而能夠發酵蔗糖的細菌菌落則呈現黃色。TCBS培養基的主要成分是硫代硫酸鈉膽酸鈉檸檬酸鈉蔗糖。培养基还包含百里酚蓝溴百里酚藍作为pH指示剂以显示培养细菌时的酸碱值变化。[2]

参考文献

  1. ^ Pfeffer, C.; Oliver, J.D. A comparison of thiosulphate-citrate-bile salts-sucrose (TCBS) agar and thiosulphate-chloride-iodide (TCI) agar for the isolation of Vibrio species from estuarine environments. Letters in Applied Microbiology. 2003, 36 (3): 150–151. PMID 12581373. doi:10.1046/j.1472-765X.2003.01280.x. 
  2. ^ Application TCBS Agar (Vibrio Selective Agar). website of the Merck KGaA. [2013-03-18].