In modern research of molecular biology, we usually need to analyse or clone these flanking sequence in given sites, so as to study gene expression and control.
在现代分子生物学技术研究中，常常需要对已知位点的侧翼序列进行分析或克隆，以研究基因的遗传表达调控。
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At present, the research of chicken oviduct bioreactor focus on the expression of exogenous gene regulated by the ovalbumin 5 '-flanking regulatory region.