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A polyphasic taxonomic study was performed on a novel strain designated as 04OKA-3-121T, which was isolated from the hard coral Galaxea fascicularis L. collected at Akajima, Okinawa, Japan. These bacterial cells were observed to be pale-yellow, Gram-stain-negative, strictly aerobic, chemoheterotrophic, non-spore forming, non-motile, and rod-shaped. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that the novel marine isolate is affiliated with the family Flavobacteriaceae of the phylum Bacteroidetes and that it shared the highest (93.6%) sequence similarity with Pseudozobellia thermophila KMM 3531T. The strain could be phenotypically differentiated from related members of the family Flavobacteriaceae. Major fatty acids of strain 04OKA-3-121T were iso-C15:0, iso-C15:1 G, and C16:1 ω7c and/or C16:1 ω6c. The DNA G + C content of the strain was determined to be 38.8 mol% and the major respiratory quinone was identified as menaquinone 6 (MK-6). Strain 04OKA-3-121T had phosphatidylethanolamine, two unidentified aminolipids, and eight unidentified lipids as polar lipids. From the distinct phylogenetic position and combination of genotypic and phenotypic characteristics, the strain is considered to represent a novel genus in the family Flavobacteriaceae, for which the name Coraliitalea coralii gen. nov., sp. nov. is proposed. The type strain of C. coralii gen. nov., sp. nov. is 04OKA-3-121T (= KCTC 52378T = NBRC 112329T).

In the original version of this paper, the Chemotaxonomic Characteristics in the Results and Discussion section and legend of Table 2 given in the above paper are incorrect. These errors are corrected with this erratum.

A Gram-negative, strictly aerobic, chemoheterotrophic, pale-yellow pigmented, non-motile, rod-shaped bacterial strain, designated MN1-138(T), was isolated from water in the tidal zone at the estuary of Heita river, Iwate, Japan, using an in situ cultivation technique. Preliminary analysis based on the 16S rRNA gene sequence revealed that the novel isolate is affiliated with the family Flavobacteriaceae of the phylum Bacteroidetes, and the highest sequence similarities were found with the species Wenyingzhuangia heitensis H-MN17(T) (97.3%). The DNA-DNA relatedness between values between strains MN1-138(T) and W. heitensis H-MN17(T) was 34%. The DNA G+C content of strain MN1-138(T) was determined to be 33.1 mol%; MK-6 was identified as the major menaquinone; and the presence of iso-C15:0, iso-C15:0 3-OH, and iso-C17:0 3-OH as the major (10%) cellular fatty acids. A polar lipid profile was present consisting of phosphatidylethanolamine, two unidentified glycolipids, and two unidentified lipids. From the distinct phylogenetic position and combination of genotypic and phenotypic characteristics, the strain is considered to represent a novel species of the genus Wenyingzhuangia for which the name Wenyingzhuangia aestuarii sp. nov. is proposed. The type strain of W. aestuarii sp. nov. is MN1-138(T) (=KCTC 42780(T) = NBRC 111505(T)).

A Gram stain-negative, strictly aerobic, brown-pigmented, non-motile, rod-shaped, chemoheterotrophic bacterial strain-designated A6F-119(T) was isolated from a marine sponge (Rhabdastrella sp.). Phylogenetic analyses based on the 16S rRNA gene sequence revealed that the new strain represented a member of the family Flavobacteriaceae of the phylum Bacteroidetes and that it showed highest sequence similarity (93 %) to Tenacibaculum maritimum NBRC 15946(T). The strain could be differentiated phenotypically from the recognized members of the family Flavobacteriaceae. The DNA G + C content of strain A6F-119(T) was determined to be 30.8 mol%; MK-6 was identified as the major menaquinone; and the presence of iso-C15:0, iso-C17:0 3-OH, and C16:1 ω7c and/or C16:1 ω6c as the major (>10 %) cellular fatty acids. A polar lipid profile was present consisting of phosphatidylethanolamine, an unidentified aminolipid, and three unidentified lipids. From the distinct phylogenetic position and combination of genotypic and phenotypic characteristics, the strain is considered to represent a novel genus for which the name Spongiiferula fulva gen. nov., sp. nov. is proposed. The type strain of S. fulva is A6F-119(T) (= KCTC 42752(T) = NBRC 111402(T)).

A Gram-negative, strictly aerobic, lemon-yellow pigmented, non-motile, rod-shaped strain designated A7G-39(T) was isolated from a yellow coloured marine sponge (Tethya sp.). Phylogenetic analyses based on the 16S rRNA gene sequence indicated that the new strain represented a member of the family Flavobacteriaceae of the phylum Bacteroidetes and that it showed highest sequence similarity (94.1 %) to Algibacter wandonensis WS-MY22(T). The strain could be differentiated phenotypically from recognised members of the family Flavobacteriaceae. The major fatty acids of strain A7G-39(T) were identified as iso-C15:0 3-OH and summed feature 1 (iso-C15:1 H and/or C13:0 3-OH) as defined by the MIDI system. The DNA G+C content was determined to be 32.6 mol%, the major respiratory quinone was identified as menaquinone 7 (MK-7) and a polar lipid profile was present consisting of phosphatidylethanolamine, an unidentified aminolipid and an unidentified lipid. From the distinct phylogenetic position and combination of genotypic and phenotypic characteristics, the strain is considered to represent a novel genus for which the name Spongiivirga citrea gen. nov., sp. nov. is proposed. The type strain of S. citrea is A7G-39(T) (=KCTC 32990(T) = NBRC 110022(T)).