Method for producing paclitaxel and its precursor baccatin iii by using suspension culture of non-embryogenic cells of Torreya hainanensis
A cell suspension, non-embryogenic technology, applied in the direction of fermentation, etc., to achieve the effect of rapid cell division, great potential for development and utilization, and stable yield
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Embodiment 1
[0056] Obtaining the Suspension Line of Non-embryogenic Cells of Torreya hainanensis and Determination of Paclitaxel Content
[0057] (1) Acquisition of non-embryogenic cell suspension line of Torreya hainanensis
[0058] (1) Take the annual leaves of Hainan rough torreya, the length of the leaves is 1-2cm, after the surface is disinfected, cut them into 1cm sections, and inoculate them on the callus induction medium [(NH 4 ) 2 SO 4 134mg / L+H 3 BO 3 3mg / L+CaCl 2 113.24mg / L+CoCl 2 ·6H 2 O0.025mg / L+CuSO 4 ·5H 2 O0.025mg / L+Na 2 EDTA·2H 2 O37.26mg / L+MgSO 4 122.09mg / L+MnSO 4 ·H 2 O10mg / L+Na 2 MoO 4 2H 2 O0.25mg / L+KI0.75mg / L+KNO 3 2500mg / L+NaH 2 PO 4 150mg / L+ZnSO 4 ·7H 2 O2mg / L+inositol 100mg / L+niacin 1mg / L+pyridoxine hydrochloride 1mg / L+thiamine hydrochloride 10mg / L+6-BA0.1mg / L+NAA1mg / L+2,4-D1mg / L+sucrose 30g / L +1.0% agar, pH is 5.85], dark culture, culture temperature is 28 ℃, obtain non-embryogenic callus after 28 days of culture, and this callus grows along...
Embodiment 2
[0067] The extraction process of paclitaxel and its precursor baccatin Ⅲ from the non-embryogenic cell suspension line of Torreya hainanensis is as follows:
[0068] (1) Acquisition of non-embryogenic cell suspension line of Torreya hainanensis
[0069] (1) Take Hainan rough torreya torreya leaves in the current year, the length of the leaves is 1-2cm, after the surface is disinfected and treated, cross-cut them into two parts, and inoculate them on the callus induction medium [(NH 4 ) 2 SO 4 132mg / L+H 3 BO 3 2.8mg / L+CaCl 2 112mg / L+CoCl 2 ·6H 2 O0.023mg / L+CuSO 4 ·5H 2 O0.022mg / L+Na 2 EDTA·2H 2 O36.8mg / L+MgSO 4 121.8mg / L+MnSO 4 ·H 2 O9mg / L+Na 2 MoO 4 2H 2 O0.24mg / L+KI0.65mg / L+KNO 3 2400mg / L+NaH 2 PO 4 140mg / L+ZnSO 4 ·7H 2 O1.8mg / L+inositol 90mg / L+niacin 0.9mg / L+pyridoxine hydrochloride 0.9mg / L+thiamine hydrochloride 9mg / L+6-BA0.09mg / L+NAA0.09mg / L+2,4-D0 .09mg / L+sucrose 20g / L+1.0% agar, pH is 5.6, dark culture, culture temperature is 28 ℃, obtain non-embryo...
Embodiment 3
[0077] The extraction process of paclitaxel and its precursor baccatin Ⅲ from the non-embryogenic cell suspension line of Torreya hainanensis is as follows:
[0078] (1) Acquisition of non-embryogenic cell suspension line of Torreya hainanensis
[0079] (1) Take Hainan rough torreya torreya leaves in the current year, the length of the leaves is 1-2cm, after the surface is disinfected and treated, cross-cut them into two parts, and inoculate them on the callus induction medium [(NH 4 ) 2 SO 4 136mg / L+H 3 BO 3 3.2mg / L+CaCl 2 114mg / L+CoCl 2 ·6H 2 O0.027mg / L+CuSO 4 ·5H 2 O0.028mg / L+Na 2 EDTA·2H 2 O37.6mg / L+MgSO 4 122.4mg / L+MnSO 4 ·H 2 O11mg / L+Na 2 MoO 4 2H 2 O0.26mg / L+KI0.85mg / L+KNO 3 2600mg / L+NaH 2 PO 4 160mg / L+ZnSO 4 ·7H 2 O2.2mg / L+inositol 110mg / L+niacin 1.1mg / L+pyridoxine hydrochloride 1.1mg / L+thiamine hydrochloride 11mg / L+6-BA0.11mg / L+NAA0.11mg / L+2,4-D0 .11mg / L+sucrose 30g / L+1.0% agar, pH is 5.9, dark culture, culture temperature is 25 ℃, obtain non-emb...
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