华北农学报 ›› 2002, Vol. 17 ›› Issue (4): 1-4. doi: 10.3321/j.issn:1000-7091.2002.04.001

所属专题: 烟草 生物技术

• 论文 •    下一篇

转几丁质酶基因烟草酶活性及抗病性研究

时焦1, 韩锦峰2, 徐宜民3, CooperJI4, 刘华山2   

  1. 1. 河南农业大学,农学院,河南,郑州,450002;中国农业科学院烟草研究所,山东,青州,262500;
    2. 河南农业大学,农学院,河南,郑州,450002;
    3. 中国农业科学院烟草研究所,山东,青州,262500;
    4. 英国牛津病毒和环境微生物研究所,牛津
  • 收稿日期:2002-05-13 出版日期:2002-12-28
  • 作者简介:时焦(1960-),女,在读博士,副研究员,主要从事烟草抗病基因工程研究.
  • 基金资助:
    国家烟草专卖局资助项目(981013);留学回国人员科技择优资助

Enzyme Activity Assay and Fungal Resistance Evaluation of Chitinase Expressing Tobacco

SHI Jiao1, HAN Jin-feng2, XU Yi-min3, Cooper JI4, LIU Hua-shan2   

  1. 1. Agr icultural College of Henan Ag ricultural Univ ersity, Zhengzhou 450002, China;
    2. Tobacco Research Institute o f Chinese Academy of Agricultural Sciences, Qingzhou 262500, China;
    3. Inst itute of Vir ology and Env ironmental Microbiology, Oxford, UK
  • Received:2002-05-13 Published:2002-12-28

摘要: 采用荧光定量法对转几丁质酶基因烟草T2植株的几丁质酶活性进行了测定,结果表明,转基因烟草株系的几丁质酶活性明显高于未转基因烟草,同时发现,pH对转基因烟草中的几丁质酶活性有一定的影响.对转基因烟草接种烟草炭疽病菌进行抗病性鉴定.

关键词: 烟草, 几丁质酶基因, 酶活性, 抗病性鉴定

Abstract: A fluorometric assay was used to confirm enzyme activity in chitinase gene transferred tobacco. Chitinase gene activity in transgene tobacco is higher than that in untransgene counterparts. Confocal laser scanning microscopy of foliar sect ions f rom a chitinase expressing Nicotiana tabacum Xanthi- nc embedded in ( butyl- methyl methacrylate) and stained with a polyclonal serum raised against the chit inase/ fluor-conjugated secondary (IgG) antibody detection system showed that chit inase was largely rest ricted to the vascular tissue, with a few accumulating in chloroplasts. Among the transgenic tobacco T2 plants inoculated with Colletotrichum nicotianae Averna, several lines displayed resistance to the fungus.

Key words: Tobacco, Chitinase gene, Enzyme act ivity, Fungal diseases resistance evaluation

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引用本文

时焦, 韩锦峰, 徐宜民, CooperJI, 刘华山. 转几丁质酶基因烟草酶活性及抗病性研究[J]. 华北农学报, 2002, 17(4): 1-4. doi: 10.3321/j.issn:1000-7091.2002.04.001.

SHI Jiao, HAN Jin-feng, XU Yi-min, Cooper JI, LIU Hua-shan. Enzyme Activity Assay and Fungal Resistance Evaluation of Chitinase Expressing Tobacco[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2002, 17(4): 1-4. doi: 10.3321/j.issn:1000-7091.2002.04.001.

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