Biochemical and phylogenetic characterization of two novel deep-sea Thermococcus isolates with potentially biotechnological applications |
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Authors: | F Canganella W Jack Jones Agata Gambacorta Garabed Antranikian |
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Institution: | (1) Department of Agrobiology and Agrochemistry, University of Tuscia, via C. de Lellis, I-01100 Viterbo, Italy Tel. +39-761-357282; Fax +39-761-357242, IT;(2) Environmental Research Laboratory, US Environmental Protection Agency, Athens, GA, USA, US;(3) CNR, Institute for the Chemistry of Biologically Interesting Molecules, Arco Felice, Italy, IT;(4) Department of Biotechnology I, Technical University of Hamburg, Germany, DE |
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Abstract: | The partial 16S rDNA gene sequences of two thermophilic archaeal strains, TY and TYS, previously isolated from the Guaymas
Basin hydrothermal vent site were determined. Lipid analyses and a comparative analysis performed with 16S rDNA sequences
of similar thermophilic species showed that the strains isolated from deep-sea vents were not identical to the other species
belonging to the genus Thermococcus. On the basis of the results of the phylogenetic analyses, lipid analyses, and previously reported physiological data, we
believe that strains TY and TYS are significantly different from the previously described Thermococcus species. According to specific physiological and molecular features, we propose the use of these isolates as potential tools
for the development of biotechnological applications in the field of starch processing and DNA technology.
Received: 19 August 1996 / Accepted: 6 November 1996 |
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Keywords: | Deep-sea hydrothermal vents Thermophilic archaea Thermococcus Biotechnological applications |
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