Krasilnikovia gen. nov., a new member of the family Micromonosporaceae and description of Krasilnikovia cinnamonea sp. nov.

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Abstract

A novel actinomycete strain was isolated from sandy soil collected in Bangladesh. The culture formed pseudosporangia on short sporangiophores directly above the surface of the substrate mycelium. The pseudosporangia developed singly or in clusters and each pseudosporangium contained many non-motile oval to reniform spores with a smooth surface. The strain 3-54(41)<SUP>T</SUP> contained <I>meso</I>-diaminopimelic acid in the cell wall, predominant menaquinone MK-9(H<SUB>6</SUB>), and galactose, mannose, xylose and arabinose in the whole-cell hydrolysate. The diagnostic phospholipid was phosphatidylethanolamine, and branched iso-C<SUB>16:0</SUB> (44.0%), iso-C<SUB>14:0</SUB> (13.0%) and unsaturated C<SUB>18:1</SUB> (ω9c) (12.0%) were detected as the major cellular fatty acids. The acyl type of the peptidoglycan was glycolyl, and mycolic acids were not detected. The G+C content of the DNA was 71 mol%. The chemotaxonomic data indicate that this strain belongs to the family <I>Micromonosporaceae</I>. Phylogenetic analysis based on 16S rDNA sequence data also suggested that the strain 3-54(41)<SUP>T</SUP> falls within this family. On the basis of phylogenetic analysis and the characteristic patterns of signature nucleotides as well as the morphological and chemotaxonomic data, our isolate is proposed to be <I>Krasilnikovia</I> gen. nov., and this strain should be classified as the species <I>Krasilnikovia cinnamonea</I> sp. nov. in the family <I>Micromonosporaceae</I>. The type strain is 3-54(41)<SUP>T</SUP> (=JCM 13252<SUP>T</SUP> = MTCC 8094<SUP>T</SUP>).

Journal

  • Actinomycetologica  

    Actinomycetologica 21(1), 1-10, 2007-06-25 

    The Society for Actinomycetes Japan

References:  57

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Codes

  • NII Article ID (NAID)
    10018920881
  • NII NACSIS-CAT ID (NCID)
    AN10080091
  • Text Lang
    ENG
  • Article Type
    Journal Article
  • ISSN
    09145818
  • NDL Article ID
    8882066
  • NDL Source Classification
    ZR5(科学技術--生物学--菌類・微生物)
  • NDL Call No.
    Z18-1070
  • Data Source
    CJP  CJPref  NDL  J-STAGE 
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