摘要： 由pUR528构建中间载体pEHT9,再构建超甜定植物表达载体pBIT7。通过直接转化法将pBIT7导入农杆菌,然后利用农杆菌系统转化烟草。经PCR、PC R-S outhern和Southern杂交证实,超甜定基因已整合到烟草基因组中。
Abstract:pEHT9 was constructed from pUR528,and used for the construction of plant thaumatin expression vector pBIT7.Then pBIT7 was introduced to Agrobacterium through direct transformation.Subsequently tobacco was transformed through Agrobacterium-mediated system.It has been confirmed that thaumatin gene has integrated into the genome of transgenic tobacco by PCR,PCR-Southern and Southern blot analyses.
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