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Phylogenetic Evidence Suggests That Strains of Aeromonas hydrophila subsp. dhakensis Belong to the Species Aeromonas aquariorum sp. nov.

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Abstract

Three strains of Aeromonas hydrophila subspecies dhakensis, including the type strain, were subjected to phylogenetic analysis by sequencing gyrB, rpoD, and 16S rRNA genes and compared with all known Aeromonas species. The obtained gyrB and rpoD phylogenetic trees clearly suggested that these A. hydrophila subsp. dhakensis strains indeed belong to the species A. aquariorum. This finding may indicate that, at the time of “dhakensis” subspecies description, the strains were incorrectly identified as A. hydrophila by a polyphasic approach that included DNA–DNA hybridization.

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Acknowledgments

The authors are grateful to Drs. Stackebrandt, Euzeby, and Tindall for comments on rules of nomenclature. Work at MDC was supported by grant IMIDTA/2007/68 from IMPIVA, Generalitat Valenciana, Spain. M. J. Saavedra was recipient of a grant (SFRH/BSAB/774/2008) from the Fundação para a Ciência e Tecnologia. This work was also supported by funds from the European Commission for the Healthy Water project (FOOD-CT-2006-036306). The authors are solely responsible for the content of this publication. It does not represent the opinion of the European Commission. The European Commission is not responsible for any use that might be made of data appearing herein.

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Authors and Affiliations

  1. Molecular Diagnostics Center, Biomolecular Technologies S.L., Alicante, Spain

    Antonio Martínez-Murcia, Arturo Monera & Maria-José Saavedra

  2. Universidad Miguel Hernández, Alicante, Spain

    Antonio Martínez-Murcia, Arturo Monera & Maria-José Saavedra

  3. Department of Veterinary Sciences, CECAV-University of Trás-os-Montes e Alto Douro, Vila Real, Portugal

    Maria-José Saavedra

  4. Unidad de Microbiología, Facultad de Medicina y Ciencias de la Salud, Universidad Rovira i Virgili, Reus, Spain

    Anabel Alperi & Maria-José Figueras

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  1. Antonio Martínez-Murcia
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  2. Arturo Monera
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  4. Maria-José Figueras
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  5. Maria-José Saavedra
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Correspondence to Antonio Martínez-Murcia.

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Martínez-Murcia, A., Monera, A., Alperi, A. et al. Phylogenetic Evidence Suggests That Strains of Aeromonas hydrophila subsp. dhakensis Belong to the Species Aeromonas aquariorum sp. nov.. Curr Microbiol 58, 76–80 (2009). https://doi.org/10.1007/s00284-008-9278-6

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  • DOI: https://doi.org/10.1007/s00284-008-9278-6

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