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Proposal that the arsenite-oxidizing organisms Thiomonas cuprina and 'Thiomonas arsenivorans' be reclassified as strains of Thiomonas delicata, and emended description of Thiomonas delicata
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Battaglia-Brunet, F., El Achbouni, H., Quemeneur, M., Hallberg, K. B., Kelly, Donovan P. and Joulian, C. (2011) Proposal that the arsenite-oxidizing organisms Thiomonas cuprina and 'Thiomonas arsenivorans' be reclassified as strains of Thiomonas delicata, and emended description of Thiomonas delicata. International Journal of Systematic and Evolutionary Microbiology, Vol.61 (No.12). pp. 2816-2821. doi:10.1099/ijs.0.023408-0 ISSN 1466-5026.
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Official URL: http://dx.doi.org/10.1099/ijs.0.023408-0
Abstract
The three As(III)-oxidizing members of the class Betaproteobacteria Thiomonas delicata, Thiomonas cuprina and Thiomonas arsenivorans' were isolated from mining sites in geographically distinct areas, namely Japan, Germany and France, respectively. They are all able to oxidize As(III) but only T. arsenivorans' and T. cuprina show efficient autotrophic growth with As(III) and are able to grow on a sole carbon source. These two organisms are also motile, whereas T. delicata is not. Only T. cuprina can grow autotrophically on chalcopyrite. The three strains share >99% gene sequence similarity with each other based on their 16S rRNA genes and 16S-23S ITS regions. DNA DNA hybridization results are above, or close to, the threshold value of 70% recommended for the definition of bacterial species. The three taxa show very similar fatty acid profiles with differences only in five minor fatty acid components. They possess phylogenetic and chemotaxonomic similarities supporting the reclassification of these taxa as a single species. We propose that 'T. arsenivorans' and T. cuprina be reassigned as strains of T. delicata (type strain DSM 17897(T)).
Item Type: | Journal Article | ||||
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Subjects: | Q Science > Q Science (General) | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
Journal or Publication Title: | International Journal of Systematic and Evolutionary Microbiology | ||||
Publisher: | Society for General Microbiology | ||||
ISSN: | 1466-5026 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.61 | ||||
Number: | No.12 | ||||
Number of Pages: | 6 | ||||
Page Range: | pp. 2816-2821 | ||||
DOI: | 10.1099/ijs.0.023408-0 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | BRGM | ||||
Grant number: | 06518 |
Data sourced from Thomson Reuters' Web of Knowledge
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