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A novel bacterial strain, designated SYL130, was isolated from the sewage sediment of a park in Busan, Korea. The strain was aerobic, producing orange colonies on R2A agar. Cells were single, Gram-stain-negative rods and were motile by gliding. Phylogenetic analyses, based on 16S rRNA gene sequences, showed that strain SYL130 was most closely related to Sediminibacterium aquarii JCM 31013 (96.1 %). The major fatty acids (>5 % of the total) of strain SYL130 were iso-C15 : 0 (28.3 %), iso-C15 : 1 G (23.2 %), iso-C17 : 0 3-OH (9.6 %), anteiso-C15 : 0 (5.9 %) and iso-C16 : 0 3-OH (5.6 %). The major polar lipids were phosphatidylethanolamine, one unidentified phospholipid, one unidentified aminolipid, two unidentified aminophospholipids and six unidentified polar lipids. The predominant respiratory quinone was MK-7. The DNA G+C content was 47.8 mol%. Strain SYL130 had clearly differential characteristics to related species including the temperature and pH ranges for growth, and being positive for l-arabinose and maltose, and negative for α-galactosidase activity. On the basis of phenotypic, chemotaxonomic and genotypic analyses, strain SYL130 represents a novel species of the genus Sediminibacterium, for which the name Sediminibacterium roseum sp. nov., is proposed. The type strain Sediminibacterium roseum is SYL130 (=KCTC 52860=CCTCC AB 2017082).

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A Gram-stain-negative, non-motile, rod-shaped, red-pigmented strain, designated W37, was isolated from soil near an iron factory in Busan (Republic of Korea). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain W37 was most closely related to Deinococcus yunweiensis YIM 007 (98.3 %) and Deinococcus radioresistens 8A (96.3 %). The DNA-DNA relatedness between strain W37 and D. yunweiensis YIM 007 was 50.5 %. The predominant respiratory quinone was MK-8. The major polar lipids were an unidentified phosphoglycolipid, an unidentified aminophospholipid, four unidentified glycolipids, two unidentified phospholipids and an unidentified lipid. The major fatty acids (>5 %) of strain W37 were summed feature 3 (C16 : 1ω7c and/or iso-C15 : 0 2-OH), C16 : 0, C17 : 1ω8c and iso-C17 : 1ω9c. The DNA G+C content was 69.0 mol%. Moreover, the chemo-physical characteristics of strain W37 clearly differed from those of related species, including ranges of growth temperature and pH, positive activity for 4-hydroxybenzoate and negative activity for cystine arylamidase. Phenotypic, chemotaxonomic and genotypic analyses indicated that strain W37 represents a novel species of the genus Deinococcus, for which the name Deinococcus rufus sp. nov., is proposed. The type strain is W37 (=KCTC 33913=CCTCC AB 2017081).