Abstract:
:A Gram-stain-negative, non-motile, aerobic bacterial strain, designated T17T was isolated from a sample of sewage sediment from a Busan park (Republic of Korea). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain T17T had the highest 16S rRNA gene sequence similarity to Dyadobacter soli KCTC 22481T (97.3 %), D.yadobacter fermentans DSM 18053T (97.1 %) and D.yadobacter sediminis CGMCC 1.12895T (97.1 %). The isolate exhibited relatively low levels of DNA-DNA relatedness with respect to D. soli KCTC 22481T (28.2±3.6 %). The DNA G+C content was 49.1 mol%. The unique respiratory quinone was MK-7 and the major polar lipids were phosphatidylethanolamine, five unidentified lipids, four aminolipids, two unidentified phospholipids and one glycophospholipid. The predominant cellular fatty acids (>5 % of total) were summed feature 3 (C16 : 1ω7c and/or iso-C15 : 0 2-OH; 44.3 %), iso-C15 : 0 (15.7 %), C16 : 1ω5c (9.6 %), iso-C17 : 0 3-OH (9.3 %) and C16 : 0 (5.6 %). Moreover, physiological and biochemical characteristics distinguished strain T17T from its related species, including temperature and pH ranges for growth, being positive for acetate hydrolysis, and being negative for acid produced from melibiose and rhamnose. The genotypic, chemotaxonomic and phenotypic data revealed that strain T17T represents a novel species of the genus Dyadobacter, for which the name Dyadobacter luticola sp. nov. is proposed. The type strain is T17T (=KCTC 52981T=CCTCC AB 2017091T).
journal_name
Int J Syst Evol Microbiolauthors
Song Z,Song Y,Yu Y,Choi L,Wang G,Li Mdoi
10.1099/ijsem.0.003178subject
Has Abstractpub_date
2019-02-01 00:00:00pages
465-469issue
2eissn
1466-5026issn
1466-5034journal_volume
69pub_type
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