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嗜盐菌对重金属的敏感性。

Susceptibility of halobacteria to heavy metals.

机构信息

Department of Microbiology, Faculty of Pharmacy, University of Seville, Seville, Spain.

出版信息

Appl Environ Microbiol. 1987 May;53(5):1199-202. doi: 10.1128/aem.53.5.1199-1202.1987.

Abstract

Sixty-eight halobacteria, including both culture collection strains and fresh isolates from widely differing geographical areas, were tested for susceptibility to arsenate, cadmium, chromium, cobalt, copper, lead, mercury, nickel, silver, and zinc ions by an agar dilution technique. The culture collection strains showed different susceptibilities, clustering into five groups. Halobacterium mediterranei and Halobacterium volcanii were the most metal tolerant, whereas Haloarcula californiae and Haloarcula sinaiiensis had the highest susceptibilities of the culture collection strains. Different patterns of metal susceptibility were found for all the halobacteria tested, and there was a uniform susceptibility to mercury and silver. All strains tested were multiply metal tolerant.

摘要

采用琼脂稀释技术,对 68 株盐杆菌,包括培养物菌株和来自不同地理区域的新鲜分离株,进行了砷酸盐、镉、铬、钴、铜、铅、汞、镍、银和锌离子敏感性测试。培养物菌株显示出不同的敏感性,聚类为五个组。地中海盐杆菌和火盐杆菌的金属耐受性最强,而加利福尼亚盐杆菌和中华盐杆菌的培养物菌株的敏感性最高。所有测试的盐杆菌都表现出不同的金属敏感性模式,对汞和银的敏感性一致。所有测试的菌株都具有多重金属耐受性。

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