Abstract
Caminibacter mediatlanticus strain TB-2T [1], is a thermophilic, anaerobic, chemolithoautotrophic bacterium, isolated from the walls of an active deep-sea hydrothermal vent chimney on the Mid-Atlantic Ridge and the type strain of the species. C. mediatlanticus is a Gram-negative member of the Epsilonproteobacteria (order Nautiliales) that grows chemolithoautotrophically with H2 as the energy source and CO2 as the carbon source. Nitrate or sulfur is used as the terminal electron acceptor, with resulting production of ammonium and hydrogen sulfide, respectively. In view of the widespread distribution, importance and physiological characteristics of thermophilic Epsilonproteobacteria in deep-sea geothermal environments, it is likely that these organisms provide a relevant contribution to both primary productivity and the biogeochemical cycling of carbon, nitrogen and sulfur at hydrothermal vents. Here we report the main features of the genome of C. mediatlanticus strain TB-2T.
Highlights
Caminibacter mediatlanticus type strain TB-2T (=DSM 16658T=JCM 12641T) is an epsilonproteobaterium isolated from the walls of an active deep-sea hydrothermal vent on the Mid-Atlantic Ridge [1]
We present a summary of the features of C. mediatlanticus strain TB-2T and a description of its genome
C. mediatlanticus strain TB-2T was isolated from the Rainbow vent field on the Mid-Atlantic Ridge (36° 14’ N, 33° 541 W)
Summary
Caminibacter mediatlanticus type strain TB-2T (=DSM 16658T=JCM 12641T) is an epsilonproteobaterium isolated from the walls of an active deep-sea hydrothermal vent on the Mid-Atlantic Ridge [1]. The genus Caminibacter includes three described species: C. hydrogeniphilus, the type strain for this genus [3], C. profundus [2], and C. mediatlanticus [1]. All three Caminibacter species are thermophilic (5560 °C) and conserve energy by coupling the oxidation of hydrogen to the reduction of nitrate and sulfur. The genus Nautilia includes four species: N. lithotrophica [4], N. profundicola, whose genome was recently sequenced [5,6], N. abyssi [7] and N. nitratireducens [8]. While all Nautilia spp. couple hydrogen oxidation to sulfur reduction, N. nitratireducens can use nitrate, thiosulfate and selenate as terminal electron acceptors [8]. We present a summary of the features of C. mediatlanticus strain TB-2T and a description of its genome
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