Flavobacterium supellecticarium sp. nov., isolated from an abandoned construction timber

A bacterial strain CC-CTC003^T was isolated from a synthetic wooden board. Cells of strain CC-CTC003^T were Gram-stain-negative, rod-shaped, motile by gliding and formed yellow colonies. Optimal growth occurred at 25 °C, pH 7 and in the presence of 1 % NaCl. The phylogenetic analyses based on 16S rRNA genes revealed that strain CC-CTC003^T belonged to the genus Flavobacterium and was most closely related to Flavobacterium cerinum (95.3 % sequence identity), Flavobacterium maris (94.9 % sequence identity), Flavobacterium qiangtangense (94.8 %) and Flavobacterium subsaxonicum (94.7 %) and had less than 94.7 % sequence similarity to other members of the genus. Average nucleotide identity (ANI) values between strain CC-CTC003^T and the type strains of other closely related species were 70.1-74.1 %. The digital DNA-DNA hybridization (dDDH) with F. cerinum was 19.4 %. Strain CC-CTC003^T contained C_15 : 0, iso-C_15 : 0, iso-C_15 : 0 3-OH, iso-C_17 : 0 3-OH, summed feature 3 (C_16 : 1  ω6c / C_16 : 1  ω7c) and summed feature 9 (C_16 : 0 10-methyl / iso-C_17 : 1  ω9c) as the predominant fatty acids. The polar lipid profile consisted of phosphatidylethanolamine, four uncharacterized aminophospholipids, two aminolipids and one unidentified glycolipid. The major polyamine was sym-homospermidine and contained MK-6 as major isoprenoid quinone. The DNA G+C content of the genomic DNA was 39.2 mol%. On the basis of the phylogenetic inference and phenotypic data, strain CC-CTC003^T should be classified as a novel species, for which the name Flavobacterium supellecticarium sp. nov. is proposed. The type strain is CC-CTC003^T (=BCRC 81146^T=JCM 32838^T).