A Gram-stain-negative, non-motile and coccoid bacterial strain, designated XHP0099 T , was isolated from the coastal water of the Yellow Sea, China. Growth occurred at 20-37°C (optimum, 28°C), pH 5.0-9.0 (optimum, pH 7.0-8.0), and with 0-7.0% NaCl (optimum, 2.0-3.0%). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain XHP0099 T was related to members of the genus Paracoccus and shared the highest sequence similarity with "P. siganidrum" M26 (98.2%), followed by P. alkanivorans 4-2 T (97.6%) and P. alkenifer DSM 11593 T (97.4%). The average nucleotide identity, amino acid identity and digital DNA-DNA hybridization values of strain XHP0099 T against related members in the genus Paracoccus were below the cut-off points proposed for delineation of a novel species. The major cellular fatty acids ( 10%) were summed feature 8 (C 18:1 ω7c/C 18:1 ω6c), and C 18:0 . The major isoprenoid quinone was Q-10 and the polar lipids contained diphosphatidylglycerol (DPG), phosphatidylglycerol (PG), phosphatidylethanolamine (PE), phosphatidylcholine (PC), aminolipid (AL) and unidenti ed polar lipids (L). The G+C content of the genomic DNA of strain XHP0099 T was 66.0%. Further genomic analysis suggested that strain XHP0099 T harbored gene clusters for formaldehyde and the XoxF-type methanol oxidation and type 1 Calvin cycle, which could confer the methylotrophy pathway. Based on the phenotypic, phylogenetic, biochemical and chemotaxonomic analysis, strain XHP0099 T represents a novel species of the genus Paracoccus, for which the name Paracoccus marinaquae sp. nov. is proposed.
A Gram-stain-negative, non-motile and coccoid bacterial strain, designated XHP0099T, was isolated from coastal water of the Yellow Sea, China. Growth occurred at 20–37°C (optimum, 28°C), pH 5.0–9.0 (optimum, pH 7.0–8.0), and with 0–7.0% NaCl (optimum, 2.0–3.0%). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain XHP0099T was related to members of the genus Paracoccus and shared highest sequence similarity with P. siganidrum M26T (98.2%), followed by P. alkanivorans 4-2T (97.6%) and P. alkenifer DSM 11593T (97.4%). The major cellular fatty acids (>10%) were summed feature 8 (C18:1 ω7c/C18:1 ω6c), and C18:0. The major isoprenoid quinone was Q-10 and the polar lipids contained diphosphatidylglycerol (DPG), phosphatidylglycerol (PG), phosphatidylethanolamine (PE), phosphatidylcholine (PC), aminolipid (AL) and unidentified polar lipid (L). The average nucleotide identity values between strain XHP0099T and P. siganidrum M26T, P. alkanivorans 4-2T, P. alkenifer DSM 11593T and P. saliphilus DSM 18447T were 81.41%, 80.13%, 75.77% and 78.27%, respectively. The digital DNA–DNA hybridization values between strain XHP0099T with P. siganidrum M26T, P. alkanivorans 4-2T, P. alkenifer DSM 11593T and P. saliphilus DSM 18447T were 24.10%, 23.00%, 20.80 % and 21.20%, respectively. The G+C content of the genomic DNA of strain XHP0099T was 66.0%. Based on the phenotypic, phylogenetic, biochemical and chemotaxonomic analysis, strain XHP0099T represents a novel species of the genus Paracoccus, for which the name Paracoccus marinaquae sp. nov. is proposed. The type strain is XHP0099T (=JCM 34661T=GDMCC 1.2414T=MCCC 1K05846T).
A Gram-stain-negative, non-motile and coccoid bacterial strain, designated XHP0099T, was isolated from the coastal water of the Yellow Sea, China. Growth occurred at 20–37°C (optimum, 28°C), pH 5.0–9.0 (optimum, pH 7.0–8.0), and with 0–7.0% NaCl (optimum, 2.0–3.0%). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain XHP0099T was related to members of the genus Paracoccus and shared the highest sequence similarity with “P. siganidrum” M26 (98.2%), followed by P. alkanivorans 4-2T (97.6%) and P. alkenifer DSM 11593T (97.4%). The average nucleotide identity, amino acid identity and digital DNA–DNA hybridization values of strain XHP0099T against related members in the genus Paracoccus were below the cut-off points proposed for delineation of a novel species. The major cellular fatty acids (>10%) were summed feature 8 (C18:1 ω7c/C18:1 ω6c), and C18:0. The major isoprenoid quinone was Q-10 and the polar lipids contained diphosphatidylglycerol (DPG), phosphatidylglycerol (PG), phosphatidylethanolamine (PE), phosphatidylcholine (PC), aminolipid (AL) and unidentified polar lipids (L). The G+C content of the genomic DNA of strain XHP0099T was 66.0%. Further genomic analysis suggested that strain XHP0099T harbored gene clusters for formaldehyde and the XoxF-type methanol oxidation and type 1 Calvin cycle, which could confer the methylotrophy pathway. Based on the phenotypic, phylogenetic, biochemical and chemotaxonomic analysis, strain XHP0099T represents a novel species of the genus Paracoccus, for which the name Paracoccus marinaquae sp. nov. is proposed. The type strain is XHP0099T (=JCM 34661T=GDMCC 1.2414T=MCCC 1K05846T).
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