两株中度嗜盐菌的分离与生理生化分析  

Physiological and biochemical analysis of two moderately halophilic bacteria

作　　者：李卫[1] 刘艳丽[1] 曹海华[1] 李钊[1] 郭光沁[1] 

机构地区：[1]兰州大学生命科学学院细胞生物学研究所,甘肃兰州730000

出　　处：《兰州大学学报（自然科学版）》2003年第4期58-61,共4页Journal of Lanzhou University(Natural Sciences)

基　　金：国家自然科学基金资助项目 ( 3 0 2 70 1 3 4)

摘　　要：对从青岛附近海产品盐渍中分离得到的两个菌株—— CM1和 CM4进行了分析 .结果表明 CM1和 CM4符合盐单胞菌属 ( H alomonas)的特征 ,但与几个典型的盐单胞菌属菌种有显著的差异 ,因而可能是该属的新种 .通过对其表型和生长特征的分析发现 ,这两个菌株可能采用了不同的进化稳定对策以适应特殊的高盐环境 ,即CM1采用了 K-对策 ;而 CM4采用的是 r-对策 。Physiological and biochemical analysis of two Halomonas species CM1 and CM4,which were isolated from the salt of some sea products from Qingdao,was carried out and the results showed that the two strains possessed the features of the genus Halomonas, but some of them were not identical to those of the classical species of this genus,suggesting that they may be new species of this genus.Further comparison of the two strains showed that the two strains may use different evolution stability strategy(ESS) to adapt to their specially high NaCl concentration environment.That is to say,CM1 used K strategy while CM4 used r strategy and ESS was expanded to the asexual bacteria.

关 键 词：中度嗜盐菌 盐单胞菌属 进化稳定对策 

分 类 号：Q939.11[生物学—微生物学]