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<p>A novel actinomycete, designated as NUM-3379<sup>T</sup>, was isolated from seeds of <i>Anabasis brevifolia</i> collected from Urgun Soum, Dornogovi Province, Mongolia. The cells of the strain were aerobic, Gram-positive, motile, non-spore-forming, and coccus-shaped. 16S rRNA gene sequence analysis indicated that strain NUM-3379<sup>T</sup> belonged to the genus <i>Kineococcus</i> and showed the highest similarity to <i>Kineococcus glutinatus</i> DSM 26692<sup>T</sup> and <i>Kineococcus xinjiangensis</i> DSM 22857<sup>T</sup>, with both sharing 98.87% sequence similarity. The chemotaxonomic characteristics of the strain NUM-3379<sup>T</sup> were consistent with those of the genus <i>Kineococcus</i>. The diagnostic diamino acid for peptidoglycans was <i>meso</i>-diaminopimelic acid. The whole-cell sugars included glucose, galactose, mannose, and arabinose. The major menaquinone was MK-9(H<sub>2</sub>). The polar lipid profile was comprised of phosphatidylglycerol, diphosphatidylglycerol, and two unidentified phospholipids. The major fatty acids were <i>anteiso</i>-C<sub>15:0</sub> and <i>iso</i>-C<sub>17:0</sub> 3-OH. In contrast, digital DNA–DNA hybridization and average nucleotide identity values revealed low relatedness between strain NUM-3379<sup>T</sup> and other type strains of the genus <i>Kineococcus</i>. Furthermore, strain NUM-3379<sup>T</sup> exhibited several phenotypic properties that distinguished it from other closely related species. Based on the genotypic and phenotypic data, strain NUM-3379<sup>T</sup> represents a novel species within the genus <i>Kineococcus</i>, for which the name <i>Kineococcus anabasis</i> sp. nov. is proposed. The type strain is NUM-3379<sup>T</sup> (=NBRC 117252<sup>T</sup> = TBRC 21100<sup>T</sup>).</p>

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Kineococcus anabasis sp. nov., isolated from seeds of Anabasis brevifolia

  • 期刊论文

  • 发表日期：

    2026年5月8日

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  • Bekh-Ochir Davaapurev,
  • Yohei Iizaka,
  • Chiharu Najima,
  • Jiahao Zeng,
  • Enkhtaivan Bum-Erdene,
  • Otgonbaatar Undarmaa,
  • Davaanyam Enkhtuul,
  • Chimeddeleg Sod-Erdene,
  • Narumi Enomoto,
  • Moriyuki Hamada,
  • Tomohiko Tamura,
  • Javzan Batkhuu,
  • Yojiro Anzai

摘要

A novel actinomycete, designated as NUM-3379T, was isolated from seeds of Anabasis brevifolia collected from Urgun Soum, Dornogovi Province, Mongolia. The cells of the strain were aerobic, Gram-positive, motile, non-spore-forming, and coccus-shaped. 16S rRNA gene sequence analysis indicated that strain NUM-3379T belonged to the genus Kineococcus and showed the highest similarity to Kineococcus glutinatus DSM 26692T and Kineococcus xinjiangensis DSM 22857T, with both sharing 98.87% sequence similarity. The chemotaxonomic characteristics of the strain NUM-3379T were consistent with those of the genus Kineococcus. The diagnostic diamino acid for peptidoglycans was meso-diaminopimelic acid. The whole-cell sugars included glucose, galactose, mannose, and arabinose. The major menaquinone was MK-9(H2). The polar lipid profile was comprised of phosphatidylglycerol, diphosphatidylglycerol, and two unidentified phospholipids. The major fatty acids were anteiso-C15:0 and iso-C17:0 3-OH. In contrast, digital DNA–DNA hybridization and average nucleotide identity values revealed low relatedness between strain NUM-3379T and other type strains of the genus Kineococcus. Furthermore, strain NUM-3379T exhibited several phenotypic properties that distinguished it from other closely related species. Based on the genotypic and phenotypic data, strain NUM-3379T represents a novel species within the genus Kineococcus, for which the name Kineococcus anabasis sp. nov. is proposed. The type strain is NUM-3379T (=NBRC 117252T = TBRC 21100T).