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园艺学报 ›› 2003, Vol. 30 ›› Issue (1): 39-42.

• 研究论文 • 上一篇    下一篇

根癌农杆菌介导的韭菜基因转化体系的建立

张松1;达克东1;姜璐琰1;曹辰兴1;温孚江2   

  1. (1 山东农业大学园艺学院, 泰安271018 ;2 山东农业大学生命科学学院, 泰安271018)
  • 收稿日期:2001-12-22 修回日期:2002-05-08 出版日期:2003-02-25 发布日期:2003-02-25

Agrobacterium tumefaciens-mediated Transformation of Chinese Chive ( Alliumtuberosum Rottl . ex Spreng. )

Zhang Song1;Da Kedong1;Jiang Luyan1;Cao Chenxing1;Wen Fujiang2   

  1. (1 College of Horticulture,2 College of Life Sciences , Shandong Agricultural University , Tai’an 271018 , China
  • Received:2001-12-22 Revised:2002-05-08 Online:2003-02-25 Published:2003-02-25

摘要: GUS 基因为报告基因, 建立了农杆菌介导的韭菜基因转化体系。研究结果表明, 以预培养
4~6 d 的根尖为转化受体, 用OD6000. 6 ~0. 8 的LBA4404 浸染2~5 min , 共培养2 d , 然后在MS + NAA1 mg/L + BA 2 mg/L + Km 25 mg/L + Timentin 400 mg/L + As 100 mg/L 培养基上培养40 d , 后有愈伤组织产生,转入光下培养20 d 后有少量绿色不定芽产生。经X-Gluc 染色、PCR 分析和Southern blot 检验, GUS 基因已经整合到韭菜基因组染色体上。

关键词: 韭菜, 根癌农杆菌, 基因转化

Abstract: Agrobacterium tumefaciens-mediated transformation system was established using GUS gene as a reporter and transgenic plantlets were obtained. The procedure was as following : root tips from 7 to 10 day-old seedlings were procultured on MS medium supplemented with 1 mg/ L NAA and 2 mg/ L BA. Then they were infected by Agrobacteium tumef aciens LBA4404 at OD6000. 6 - 0. 8 for 2 to 5 mins. Transformants were selected on MS medium supplemented with 1 mg/ L NAA , 2 mg/ L BA , Km 25 mg/ L , Timentin 400 mg/ L and acetosyringone 100 mg/ L. The regenerated plants were tested by X-Gluc staining , PCR analysis and Southern blot , which showed the GUS gene was integrated into Chinese chive genome.

Key words: Chinese chive, Agrobacterium tumefaciens, Transformation

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