EFFECTS OF HYDROSTATIC-PRESSURE ON GROWTH OF HYPERTHERMOPHILIC ARCHAEBACTERIA FROM THE JUAN DE FUCA RIDGE

被引:25
作者
REYSENBACH, AL [1 ]
DEMING, JW [1 ]
机构
[1] UNIV WASHINGTON,SCH OCEANOG,WB-10,SEATTLE,WA 98195
关键词
D O I
10.1128/AEM.57.4.1271-1274.1991
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Two new strains (AL1 and AL2) of hyperthermophilic, sulfur-reducing, heterotrophic archaebacteria from high-temperature (350-degrees-C) vents on the Juan de Fuca Ridge were highly barotolerant at their optimal growth temperatures (90 and 100-degrees-C, respectively). A trend towards barophily at pressures greater than those encountered in situ at the sea floor was demonstrated for the more extremely thermophilic strain (AL2), implying an ability to thrive in (unexplored) habitats well below accessible vent formations.
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页码:1271 / 1274
页数:4
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