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  • Title: Sphingomonas molluscorum sp. nov., a novel marine isolate with antimicrobial activity.
    Author: Romanenko LA, Uchino M, Frolova GM, Tanaka N, Kalinovskaya NI, Latyshev N, Mikhailov VV.
    Journal: Int J Syst Evol Microbiol; 2007 Feb; 57(Pt 2):358-363. PubMed ID: 17267979.
    Abstract:
    An aerobic, Gram-negative, yellow-pigmented, non-motile bacterium, designated strain KMM 3882T, was isolated from a marine bivalve (Anadara broughtoni) collected from Peter the Great Bay, Sea of Japan, and was subjected to phenotypic and phylogenetic analyses. Strain KMM 3882T was found to exert a remarkable inhibitory activity against a number of Gram-positive micro-organisms. Phylogenetic analysis based on 16S rRNA gene sequences placed strain KMM 3882T within the genus Sphingomonas, as an independent lineage adjacent to Sphingomonas dokdonensis DS-4T and Sphingomonas panni DSM 15761T. Strain KMM 3882T showed the highest 16S rRNA gene sequence similarity to Sphingomonas dokdonensis DS-4T (97.3 %); similarities of 96.5-96.7 % were obtained with Sphingomonas pituitosa DSM 13101T, Sphingomonas azotifigens NBRC 15497T, Sphingomonas asaccharolytica NBRC 15499T, Sphingomonas trueperi DSM 7225T and Sphingomonas panni DSM 15761T. Chemotaxonomically, strain KMM 3882T contained sphingoglycolipid, C(16 : 0) and C(18 : 1) as predominant fatty acids and 2-OH C(14 : 0) as a major 2-hydroxy fatty acid, confirming the affiliation of strain KMM 3882T with the genus Sphingomonas. On the basis of phylogenetic analysis, DNA-DNA hybridization and physiological and biochemical characterization, strain KMM 3882T should be classified as representing a novel species of the genus Sphingomonas, for which the name Sphingomonas molluscorum sp. nov. is proposed. The type strain is KMM 3882T (=An 18T=NRIC 0685T=JCM 14122T=CIP 109223T).
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