Cecropin-XJ expressed in Pichia pastoris was purified through ion exchange chromatobraphy(IEC),hydrophobic interaction chromatography(HIC) and size exclusion chromatography(SEC).

• 通过离子交换层析、疏水作用层析和分子排阻层析等三步层析的方法,分离纯化了毕赤酵母工程菌所表达的新疆家蚕抗菌肽。