香菌酮 的英文怎麼說
中文拼音 [xiāngjūntóng]
香菌酮
英文
elsholtziaketone-
So it has increasing commercial demand. escherichia coli and many other microoganism synthesize aromatic amino acids through the condensation reaction between phosphoenolpyru vate ( pep ) and erythrose - 4 - phosphate ( e4p ) to form 3 - deoxy - d - arabinohep tulosonate 7 - phosphate ( dahp ). pep and e4p are limiting substrates for formation of dahp
大腸桿菌和許多微生物一樣,其合成芳香族氨基酸的起始物是由磷酸烯醇式丙酮酸( pep )和4 -磷酸赤癬糖( e4p )二者縮合形成的3 -脫氧- -阿拉伯庚酮糖酸- 7 -磷酸( dahp ) 。Research also indicate that explant influence the frequency of callus induction, especially influence embryogenic calli formation. 5. the proper concentration of ppt is 3. 0mg / l in screening resistant callus after transformation
在轉化后抗性愈傷組織篩選中,適應的ppt篩選濃度為3刀mg幾, cef有效抑菌濃度為200pg ml ,乙酚丁香酮有效誘導濃度為100pmol幾, 0Our experiment indicates : ( 1 ) the optimal concentration of kanamycin for screening torenia fournier regenerated buds was 400 mg / l. the ideal transformation was obtained in the following conditions : the leaf discs were dipped in agrobacterium suspension that od600 was 0. 1 for 10 ~ 20 min ; subsequently cocultivated on the ms solid coculture medium containing 20umol / l acetosyringon for 7 to 8 d at 23, and the induction ratio of regenerated buds was 27. 2 %
研究結果表明: ( 1 )篩選藍豬耳轉化芽的最適卡那黴素濃度為400mg l 。 od _ ( 600 )為0 . 1的菌液濃度菌液浸染葉盤10 20min ,固體共培養基(含20 mol l乙酰丁香酮)上23共培養7 8d可獲得理想的轉化效率,轉化芽誘導率為27 . 2 ; 16h光照, 8h黑暗是較理想的共培養光周期;莖段是較好的轉化受體。
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