A putative v-cathepsin (v-oath) gene of Spodoptera exigua nucleopolyhedrovirus (SeMNPV) was cloned, sequenced and expressed.

• 对甜菜夜蛾核型多角体病毒(SeMNPV)的组织蛋白酶(v-cath)基因进行了克隆，序列分析及原核表达。