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首页> 外文期刊>Cytology and genetics >Generation of Transgenic Barley Lines Producing Human Lactoferrin using Mutant Alpha-Tubulin Gene as the Selective Marker
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Generation of Transgenic Barley Lines Producing Human Lactoferrin using Mutant Alpha-Tubulin Gene as the Selective Marker

机译:使用突变的α-管蛋白基因作为选择标记的生产人乳铁蛋白的转基因大麦品系的产生

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摘要

The biolistic transformation method was used for genetic improvement of three commercial cultivars of barley (Oksamytoviy, Vodogray, and Hetman). The plasmid pHLFTuBA containing target gene h LFencoding human lactoferrin under the control of the rice glutein B-1 promoter GluB-1 was used for transformation. The gene encoding mutant alfa-tubulin conferring resistance to trifluralin (dinitroaniline herbicide) was used as the selective marker. The screening of different trifluralin concentrations ranging from 0.1-30 μM was used for determination of selective concentration of the agent. Two transgenic barley lines of cultivars Oksamytoviy and Hetman's callus line were selected after 2-3 months of cultivation on 10 uM of trifluralin. To confirm stable integration of the transformed gene, the PCR analysis of leafs from regenerated plant after their adaptation on the ground was carried out. The 734 bp fragment of the target gene was amplified from both regenerated plants.
机译:生物弹转化法用于三种大麦商业品种(Oksamytoviy,Vodogray和Hetman)的遗传改良。在水稻叶黄素B-1启动子GluB-1的控制下,将包含编码人乳铁蛋白的靶基因h LF的质粒pHLFTuBA用于转化。编码赋予三氟拉林(二硝基苯胺除草剂)抗性的突变型α-微管蛋白的基因用作选择标记。筛选范围从0.1-30μM的不同氟乐灵用于确定药物的选择性浓度。在10uM的氟乐灵上培养2-3个月后,选择了两个Okkamytoviy品种和Hetman愈伤组织的转基因大麦品系。为了确认转化基因的稳定整合,对再生植物的叶片在地面适应后进行了PCR分析。从两种再生植物中扩增靶基因的734bp片段。

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  • 来源
    《Cytology and genetics》 |2011年第1期|p.1-6|共6页
  • 作者单位

    Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine;

    Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine;

    Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine;

    Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine;

    Agro Bio Institute, Sofia, Bulgaria;

    Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kiev, Ukraine;

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