CAX1 유전자가 도입에 의한 칼슘강화 벼 계통의 분석
Evaluation of Ca2+-enhanced Rice Plant Expressing the Arabidopsis Ca2+/H+ Antiporter CAX1 Gene
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Abstract
This study was carried out to analyze the mineral contents including calcium in brown rice for the rice plants trans-formed with CAX1 gene. In the previous study the transgenic rice plants overexpressing the Arabidopsis Ca2+/H+ antiporter CAX1gene were developed using Agrobacterium-mediated transformation method. The calcium content in brown rice of the transgenicrice plants was ranged from 2.7 to 14 times higher than that of the donor cultivar. SEM (scanning electronic microscope) analysisr.The major agronomic traits such as culm length, panicle length and panicle number of transgenic plants (T3) were similar to thedonor cultivar. The grain shape of the T3-17 and T3-25 was different from the donor cultivar.