The promoter functional elements (-35 , -10 box andarchaeal DPE) were related. Site-directed mutagenesis of RM07 was performed in Escherichia coll.

• RM07片段中的-35区、-10区特征序列和嗜盐古生菌启动子特征序列DPE在启动子功能上具有一定的相关性。