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Streptococcus tangierensis sp. nov. and Streptococcus cameli sp. nov., two novel Streptococcus species isolated from raw camel milk in Morocco
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  • 作者:Zaina Kadri (1) (3)
    Peter Vandamme (2)
    Mouna Ouadghiri (1)
    Margo Cnockaert (2)
    Maarten Aerts (2)
    El Mostafa Elfahime (4)
    Omar El Farricha (3)
    Jean Swings (2)
    Mohamed Amar (1)

    1. Laboratoire de Microbiologie et Biologie Mol茅culaire (LMBM)
    ; Centre National pour la Recherche Scientifique et Technique (CNRST) ; Angle av. Allal El Fassi ; av.des FAR ; Quartier Hay Ryad ; Nations Unies ; B.P. 8027 ; 10102 ; Rabat ; Morocco
    3. Laboratoire de Biotechnologie Microbienne
    ; Facult茅 des Sciences et Techniques de F猫s-Sa茂s ; Route d鈥橧mouzzer ; B.P. 2202 ; Fez ; Morocco
    2. Laboratory of Microbiology
    ; Department of Biochemistry and Microbiology ; Ghent University ; K.L. Ledeganckstraat 35 ; 9000 ; Ghent ; Belgium
    4. Unit茅 d鈥橝ppui Technique 脿 la Recherche Scientifique (UATRS)
    ; Centre National pour la Recherche Scientifique et Technique (CNRST) ; Angle av. Allal El Fassi ; av. des FAR ; Quartier Hay Ryad ; Nations Unies ; BP. 8027 ; 10102 ; Rabat ; Morocco
  • 关键词:Streptococcus tangierensis sp. nov. ; Streptococcus cameli sp. nov. ; Raw camel milk ; Morocco ; Taxonomy ; Identification
  • 刊名:Antonie van Leeuwenhoek
  • 出版年:2015
  • 出版时间:February 2015
  • 年:2015
  • 卷:107
  • 期:2
  • 页码:503-510
  • 全文大小:571 KB
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  • 刊物类别:Biomedical and Life Sciences
  • 刊物主题:Life Sciences
    Microbiology
    Medical Microbiology
    Plant Sciences
    Soil Science and Conservation
  • 出版者:Springer Netherlands
  • ISSN:1572-9699
文摘
Biochemical and molecular genetic studies were performed on two unidentified Gram-stain positive, catalase and oxidase negative, non-hemolytic Streptococcus-like organisms recovered from raw camel milk in Morocco. Phenotypic characterization and comparative 16S rRNA gene sequencing demonstrated that the two strains were highly different from each other and that they did not correspond to any recognized species of the genus Streptococcus. Phylogenetic analysis based on 16S rRNA gene sequences showed the unidentified organisms each formed a hitherto unknown sub-line within the genus Streptococcus, displaying a close affinity with Streptococcus moroccensis, Streptococcus minor and Streptococcus ovis. DNA G+C content determination, MALDI-TOF mass spectrometry and biochemical tests demonstrated the bacterial isolates represent two novel species. Based on the phenotypic distinctiveness of the new bacteria and molecular genetic evidence, it is proposed to classify the two strains as Streptococcus tangierensis sp. nov., with CCMM B832T (=LMG 27683T) as the type strain, and Streptococcus cameli sp. nov., with CCMM B834T (=LMG 27685T) as the type strain.

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