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  • Title: Salinicola peritrichatus sp. nov., isolated from deep-sea sediment.
    Author: Huo YY, Meng FX, Xu L, Wang CS, Xu XW.
    Journal: Antonie Van Leeuwenhoek; 2013 Jul; 104(1):55-62. PubMed ID: 23609050.
    Abstract:
    A Gram stain-negative, aerobic and rod-shaped bacterium, strain DY22(T), was isolated from a deep-sea sediment collected from the east Pacific Ocean. The isolate was found to grow in the presence of 0-20.0 % (w/v) NaCl and at pH 4.5-8.5; optimum growth was observed with 0.5-2.0 % (w/v) NaCl and at pH 5.0-7.0. Chemotaxonomic analysis showed the presence of ubiquinone-9 as predominant respiratory quinone and C16:0, C19:0 ω8c cyclo and C12:0 3-OH as major cellular fatty acids. The genomic DNA G+C content was determined to be 59.6 mol%. Comparative 16S rRNA gene sequence analysis revealed that the novel isolate belongs to the genus Salinicola. Strain DY22(T) exhibited the closest phylogenetic affinity to the type strain of Salinicola salarius with 97.2 % sequence similarity and less than 97 % sequence similarity with respect to other Salinicola species with validly published names. The DNA-DNA reassociation values between strain DY22(T) and S. salarius DSM 18044(T) was 52 ± 4 %. On the basis of phenotypic, chemotaxonomic and genotypic data, strain DY22(T) represents a novel species of the genus Salinicola, for which the name Salinicola peritrichatus sp. nov. (type strain DY22(T) = CGMCC 1.12381(T) = JCM 18795(T)) is proposed.
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