Complete and Draft Genome Sequences of Six Members of theAquificales

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Abstract
TheAquificalesare widespread in marine and terrestrial hydrothermal environments. Here, we report the complete and draft genome sequences of six new members of theAquificales: two marine species,Persephonella marinastrain EX-H1 andHydrogenivirgastrain 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 azorensestrain Az-Fu1,Sulfurihydrogenibium yellowstonensestrain SS-5, andSulfurihydrogenibiumstrain Y03AOP1 (from Furnas, Azores, Portugal, and Calcite Springs and Obsidian Pool in Yellowstone National Park, United States, respectively), and the only thermoacidophilic isolate,Hydrogenobaculumstrain 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.

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