A strain R2,which produces protease,was isolated from the Antarctic Ocean sediment samples. Results of morphology and 16S rDNA sequence analysis showed that R2 belonged to Marinobacter.

• 从南极海域沉积物中筛选到一产蛋白酶的菌株R2；经细菌学形态特征鉴定及16SrDNA序列分析鉴定；该菌株属于海杆菌属(Marinobacter).