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On the nomenclature and classification of chlamydiae

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Abstract

Results of molecular genetic research on typical specimens of the genus Chlamydophila, the family Chlamydiaceae, which were provided by the Federal Center of Toxicological and Radiation Safety of Animals from its collection of microorganisms, are presented in this paper as to their taxonomic attribution on the basis of a comparative analysis of the omp1, omp2, 16S rRNA and 23S rRNA genes with the corresponding genomic fragments of officially registered species of chlamydiae and the presence of an extrachromosomal plasmid. According to the results of the omp1-restriction-fragment-length-polymorphism (RFLP)-AluI-profile analysis, the strains Rostinovo-70, 250, PP-87 and KC-93 are distinguished by the characteristic of a novel chlamydial genotype, earlier unstudied, G, by our designation. In the course of comparative omp2-gene analysis in the strains Rostinovo-70, 250, PP-87, and KC-93, a new, previously undescribed, omp2-RFLP-AluI profile of chlamydiae was described. According to the chlamydial species identification by genetic and ecological criteria, the Rostinovo-70, 250, PP-87, and KC-93 strains can be classified as a new species of Chlamydiaceae—Chlamydophila parapsittaci sp. nov. It is also suggested to combine into a new species the following Chlamydophila psittaci strains: WC, NJ1, 92-1293, TT3, 7344/2, GD, CT1, Par1, 84/2334, R54, VS225, 777B15, and Prk/Daruma.

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Authors and Affiliations

  1. FGOU VPO Bauman State Academy of Veterinary Medicine, Kazan, Russia

    R. R. Vafin, R. Kh. Ravilov, G. M. Iskhakov, I. Kh. Bakirov & V. N. Kashov

  2. FGU Federal Center of Toxicological and Radiation Safety of Animals, Kazan, Russia

    Kh. Z. Gaffarov & A. Z. Ravilov

Authors
  1. R. R. Vafin
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  2. R. Kh. Ravilov
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  3. Kh. Z. Gaffarov
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  4. A. Z. Ravilov
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  5. G. M. Iskhakov
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  6. I. Kh. Bakirov
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  7. V. N. Kashov
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Additional information

Original Russian Text © R.R. Vafin, R.Kh. Ravilov, Kh.Z. Gaffarov, A.Z. Ravilov, G.M. Iskhakov, I.Kh. Bakirov, V.N. Kashov, 2007, published in Molekulyarnaya Genetika, Mikrobiologiya i Virusologiya, 2007, No. 4, pp. 17–24.

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Vafin, R.R., Ravilov, R.K., Gaffarov, K.Z. et al. On the nomenclature and classification of chlamydiae. Mol. Genet. Microbiol. Virol. 22, 155–164 (2007). https://doi.org/10.3103/S0891416807040040

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  • DOI: https://doi.org/10.3103/S0891416807040040

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