为了使马铃薯抗晚疫病基因RB能够在番茄育种和生产中应用，构建了RB无选择标记载体。
We construct a marker-free vector of RB gene in order to apply with RB in the tomato late blight breeding and production.
具有快速响应、灵敏度高、选择性强、无标记分子等特点。
The quasi-one-dimensional metal oxide nano-material biosensor has the characteristics of rapid response, high sensitivity, strong selectivity, no labeled molecule and the like.
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