Complete and Draft Genome Sequences of Six Members of the Aquificales
Anna-Louise Reysenbach,Natsuko Hamamura,Mircea Podar,Emma Griffiths,S. Ferreira,R. Hochstein,John F. Heidelberg,Julie A. Johnson,D. Mead,Andrew Pohorille,M. Sarmiento,Karl J. Schweighofer,R. Seshadri,Mary A. Voytek +13 more
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TLDR
The complete and draft genome sequences of six new members of the Aquificales were reported in this paper, including two marine species, Persephonella marina strain EX-H1 and Hydrogenivirga strain 128-5-R1 (from the East Pacific Rise, 9°50.3′N, 104°17.5′W, and the Eastern Lau Spreading Center, 176°11.8′S, respectively).Abstract:
The Aquificales are widespread in marine and terrestrial hydrothermal environments. Here, we report the complete and draft genome sequences of six new members of the Aquificales: two marine species, Persephonella marina strain EX-H1 and Hydrogenivirga strain 128-5-R1 (from the East Pacific Rise, 9°50.3′N, 104°17.5′W, and the Eastern Lau Spreading Center, 176°11.5′W, 20°45.8′S, respectively), and four terrestrial isolates, Sulfurihydrogenibium azorense strain Az-Fu1, Sulfurihydrogenibium yellowstonense strain SS-5, and Sulfurihydrogenibium strain Y03AOP1 (from Furnas, Azores, Portugal, and Calcite Springs and Obsidian Pool in Yellowstone National Park, United States, respectively), and the only thermoacidophilic isolate, Hydrogenobaculum strain Y04AAS1 (from a stream adjacent to Obsidian Pool). Significant differences among the different species exist that include nitrogen metabolism, hydrogen utilization, chemotaxis, and signal transduction, providing insights into their ecological niche adaptations.read more
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Autotrophic CO2 fixation via the reductive tricarboxylic acid cycle in different lineages within the phylum Aquificae: evidence for two ways of citrate cleavage.
Michael Hügler,Harald Huber,Stephen J. Molyneaux,Costantino Vetriani,Stefan M. Sievert,Stefan M. Sievert +5 more
TL;DR: Findings substantiate the hypothesis that autotrophic carbon fixation through the reductive TCA cycle is widespread and contributes significantly to biomass production particularly in hydrothermal habitats.
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