The main methods used, or under investigation, for production of rumen gene engineering bacteria are:gene deletion technique, gene recombination technique and the application of promotor.

正在应用的或处于研究阶段的构建瘤胃基因工程菌的方式主要有基因缺失技术、基因复制性重组技术和启动子的应用技术。

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The present invention relates to a gene engineered bacteria, and its preparation method and USES, belongs to biological engineering field.

本发明涉及一种基因工程菌，以及该基因工程菌的制备方法及其用途，属于生物工程技术领域。

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