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Position: Home > Articles > Construction of Antifungal Peptide Gene Expression Vector of Wild Gastrodia in Guizhou Province Guizhou Agricultural Sciences 2011,39 (8) 14-16

贵州野生天麻抗真菌肽基因表达载体的构建

作  者:
何光志;田维毅;王平;王文佳;奚锦;愈奇;刘蕾;黄高;蔡琨;韩洁;王乾宇;刘安胜;安传伟;查高武;张鹏
单  位:
贵阳中医学院;凤冈县天桥乡畜牧兽医水产站;兴义市捧乍中学;兴义市乌沙镇格里小学
关键词:
野生天麻;抗真菌肽基因;表达载体;构建;贵州
摘  要:
为了构建凤冈野生天麻的抗真菌肽基因(gaf)的表达载体,经BamHI和HindIII酶切的pMD18-T-gaf和pET32a(+)质粒的纯化回收产物并进行连接,连接产物pET32a(+)-gaf转化大肠杆菌感受态细胞DH5α后,采用菌落PCR、酶切鉴定和阳性质粒测序分析。结果表明:构建的凤冈野生天麻抗真菌肽基因表达载体通过菌落PCR、酶切鉴定和阳性质粒测序分析,目的片段成功插入载体,目的片段与预期的gaf基因大小(545 bp)相符。试验成功构建了贵州野生天麻抗真菌肽基因表达载体,pET32a(+)-gaf可以用来制备抗真菌蛋白。
译  名:
Construction of Antifungal Peptide Gene Expression Vector of Wild Gastrodia in Guizhou Province
作  者:
HE Guang-zhi1,TIAN Wei-yi1,WANG Ping1,WANG Wen-jia1,XI Jin3,YU Qi1,LIU Lei1,HUANG Gao1,CAI Kun1,HAN Jie1,WANG Qian-yu1,LIU An-sheng2,AN Chuan-wei1,ZHA Gao-wu3,ZHANG Peng4(1.Guiyang College of Traditional Chinese Medicine,Guiyang,Guizhou 550002;2.Tianqiao Animal Husbandry and Veterinary Station,Fenggang,Guizhou 564217;3.Geli Primary School,Xingyi,Guizhou 562405;4.Pengzha Middle School,Xingyi,Guizhou 562407,China)
关键词:
wild Gastrodia;antifungal peptide gene(gaf);expression vector;construction;Guizhou
摘  要:
To build antifungal peptide gene(gaf) expression vector of wild Gastrodia in Fenggang county,the pMD18-T-GAF was digested with BamH I and Hind III and ligated into plasmid expression vector Pet32a(+) which had also been digested with the same enzymes.The resultant plasmid Pet32a(+)-gaf was transferred into E.coli strain DH5а.The expression vector Pet32a(+)-gaf was constructed by colony PCR,restriction enzyme digestion and positive plasmid sequencing.The results showed that the target fragment was successfully inserted into the vector,Consistent with the expected size of 545 bp of gaf gene.The gaf expression vector of wild Gastrodia was successfully constructed,pET32a(+)-gaf can be used to prepare for anti-fungal protein.

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