MICROBIAL CHARACTERIZATION OF THERMOPHILIC ARCHAEA ISOLATED FROM THE GUAYMAS BASIN HYDROTHERMAL VENT

被引：13

作者：

CANGANELLA, F ^{[1
]}

JONES, WJ ^{[1
]}

机构：

[1] GEORGIA INST TECHNOL,SCH APPL BIOL,ATLANTA,GA 30332

来源：

CURRENT MICROBIOLOGY | 1994年 / 28卷 / 05期

关键词：

D O I：

10.1007/BF01573210

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Extremely thermophilic bacteria were isolated from sediments collected at the Guaymas Basin hydrothermal vent located in the Gulf of California. One isolate (FC89) is a hydrogenotrophic methanogen with an optimal growth temperature of 85-degrees-C; this isolate appears to be closely related to the previously described Methanococcus jannaschii. Thermophilic isolates TY and TYS are heterotrophic, sulfur-reducing archaea that differ from other thermophilic heterotrophic strains in physiological and molecular properties. Both heterotrophic isolates fermented carbohydrates and proteinaceous substrates; acetate was the primary product of carbohydrate fermentation, whereas acetate and a mix of organic acids were primary products of proteinaceous substrate fermentation. A detailed microbiological characterization of the isolates and a profile of fermentable substrates and fermentation products are described.

引用

页码：299 / 306

页数：8

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