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用农杆菌介导法将AtNHX1基因导入菊苣中,共获得42株卡那霉素(Kan)抗性再生植株。经过PCR 检测、Southern杂交和RT-PCR 检测表明,AtNHX1基因已成功整合到菊苣基因组中,并且能够正常转录。野生型和转基因植株诱发的愈伤组织进行耐盐生长试验,结果显示,相同盐胁迫条件下,转基因愈伤组织的相对生长率显著高于野生型愈伤组织。施加梯度NaCl胁迫后,植株叶片K+ 和Na+ 含量测定结果...
Ectopic Expression of AtNHX1 in Cotton (Gossypium hirsutum L.) Increases Proline Content and Enhances Photosynthesis under Salt Stress Conditions
Ectopic Expression AtNHX1 Cotton Proline Content Photosynthesis Salt Stress Conditions
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2008/12/10
Overexpression of the Arabidopsis gene AtNHX1 that codes for a vacuolar Na+/H+ antiporter in transgenic cotton significantly improved tolerance to 200 mM NaCl as measured by increases in plant height,...
转根癌农杆菌介导的AtNHX1基因马铃薯的获得
马铃薯 根癌农杆菌 转基因植株 AtNHX1基因
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2008/1/4
构建重组表达质粒pBI12135-GZ+AtNHX1(带有CaMV 35S启动子),通过农杆菌将其携带的液泡膜Na+/H+逆向转运蛋白基因(AtNHX)转化马铃薯栽培品种“甘农薯2号”试管薯薄片和“克新2号”茎段。经根癌农杆菌侵染和共培养后,用50 mg L-1卡那霉素 +300 mg L-1头孢霉素筛选抗性芽,试管薯薄片获得30株抗性植株,抗性植株再生率为37%;茎段未获得抗性植株。抗性植株的总...