Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 61, Issue -, Pages 722-727Publisher
SOC GENERAL MICROBIOLOGY
DOI: 10.1099/ijs.0.020396-0
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Funding
- Chung-Ang University
- National Research Foundation of Korea [과09A1215, 핵09A3409] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A Gram-staining-negative, strictly aerobic bacterium, designated strain SD10(T), was isolated from a tidal flat of the Yellow Sea, South Korea. Cells were non-spore-forming rods that showed catalase- and oxidase-positive reactions. Growth of strain SD10(T) was observed at 15-40 degrees C (optimum, 25-30 degrees C), at pH 6.0-9.0 (optimum, pH 6.5-8.5) and in the presence of 1-10% (w/v) NaCl. Strain SD10(T) contained ubiquinone-10 (Q-10) as a major isoprenoid quinone and C(18:1)omega 7c (39.3%), C(16:0) (20.2%), C(17:0) (8.9%) and C(17:1)omega 6c (8.1%) as major fatty acids. The cellular polar lipids were identified as phosphatidylglycerol, monoglycosyldiglyceride, glucuronopyranosyldiglyceride and two unidentified glycolipids. The G + C content of the genomic DNA was 55.2 mol%. Based on 16S rRNA gene sequence similarities, the strain was most closely related to Henriciella marina Iso4(T) and Maribaculum marinum P38(T), with similarities of 97.8 and 97.0%, respectively. The DNA-DNA relatedness between strain SD10(T) and H. marina Iso4(T) was 12.0 +/- 3.2%. A phylogenetic analysis based on 16S rRNA gene sequences showed that M. marinum P38(T) and H. marina Iso4(T) formed a monophyletic cluster and that their 16S rRNA gene sequence similarity was 98.1%. DNA-DNA hybridization between H. marina Iso4(T) and M. marinum LMG 24711(T) was 22.9 +/- 2.7%, indicating that the two strains belong to separate species. On the basis of chemotaxonomic data and molecular properties, we propose that strain SD10T represents a novel species of the genus Henriciella, for which the name Henriciella litoralis sp. nov. is proposed. The type strain is SD10(T) (=KACC 13700(T) =DSM 22014(T)). In addition, we propose to transfer Maribaculum marinum Lai et al. 2009 to the genus Henriciella as Henriciella aquimarina nom. nov. (type strain P38(T) =CCTCC AB 208227(T) =LMG 24711(T) =MCCC 1A01086(T)), and we present an emended description of the genus Henriciella.
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