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- Title
Deinococcus terrigena sp. nov., a novel member of the family Deinococcaceae.
- Authors
Ten, Leonid N.; Cho, Huiyun; Cho, Young-Je; Jung, Hee-Young
- Abstract
A bacterial strain, S13-1-2-1T, was isolated from a soil sample collected in Gyeongsangnam-do province, South Korea. Cells were observed to be Gram-stain negative, short rod-shaped and colonies to be pale pink in colour. Analysis of 16S rRNA gene sequences identified this strain as a member of the genus Deinococcus in the family Deinococcaceae, with high levels of sequence similarity with Deinococcus ficus CC-FR2-10T (97.9%) and Deinococcus enclensis NIO-1023T (95.4%). Growth of strain S13-1-2-1T was observed at 10-42 °C, pH 6-8, and in the presence of 0-1.0% NaCl. The isolate was found to exhibit resistance to gamma radiation (D10 10.1 KGy) and UV-light (D10 612 J/m2). The major peptidoglycan amino acids were identified as D-glutamic acid, glycine, alanine and L-ornithine. The predominant respiratory quinone of the strain was identified as menaquinone-8, the major fatty acids were found to be C16:1ω7c (31.4%), C16:0 (18.4%), and C17:1ω8c (17.4%) and the major polar lipids were observed to be an unidentified phosphoglycolipid and an unidentified glycolipid. The genomic DNA G + C content of the strain was determined to be 69.2 mol%. DNA-DNA hybridization with D. ficus showed a relatedness value of 31.5 ± 4.2%. The DNA-DNA hybridization result and the differentiating phenotypic properties clearly indicate that strain S13-1-2-1T represents a novel species in the genus Deinococcus, for which the name Deinococcus terrigena sp. nov. is proposed. The type strain is S13-1-2-1T (= KCTC 33939T = JCM 32248T).
- Subjects
DEINOCOCCUS; SOIL sampling; SOIL microbiology; BACTERIA classification; RIBOSOMAL RNA genetics
- Publication
Antonie van Leeuwenhoek, 2019, Vol 112, Issue 3, p389
- ISSN
0003-6072
- Publication type
Article
- DOI
10.1007/s10482-018-1167-9