%0 Journal Article %T Application of enzyme-labeled probe in testing of transgenic plant
酶标探针在转基因植物检测中的应用 %A TU Zhi-Ming %A CHEN Lin %A YANG Guang-Xiao %A HE Guang-Yuan %A
涂知明 %A 陈泠 %A 杨广笑 %A 何光源 %J 遗传 %D 2007 %I %X Used alkaline-phosphatase-labeled DNA as a probe to examine the expression of foreign UidA gene in trans-genic plants.Alkaline phosphatase coupled with polyethyleneimine(PEI) using P-benzoquine as the cross-linking reagent was covalently linked to single-stranded DNA via glutraldehyde.Such DNA-enzyme complexes were used as a probe for dot hybridization and Southern blot.After hybridization and incubation with a substrate solution,results can be observed directly in three to six hours and the results showed that it was a sensitive,specific,rapid,safe and economical probe.Dot hybridization analysis showed that the UidA gene was transformed into the target plants and southern blot showed that there were at least 5 copies of UidA gene in transgenic plants. %K tissue-specific promoter %K UidA gene %K hybridization %K enzyme-labeled probe
组织特异性启动子 %K UidA基因 %K 杂交 %K 酶标探针 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=3E23F50E071DF18E21B2F5AEE4F1FA5E&aid=CD679EA997575907AC02DFDDD33A8FB1&yid=A732AF04DDA03BB3&vid=771469D9D58C34FF&iid=59906B3B2830C2C5&sid=2838795948C22802&eid=05D0CF7AA2D40B14&journal_id=0253-9772&journal_name=遗传&referenced_num=0&reference_num=11