Deinococcus aquaticus sp. nov., isolated from fresh water, and Deinococcus caeni sp. nov., isolated from activated sludge
Im, Wan-Taek and Jung, Hae-Min and Ten, Leonid N. and Kim, Myung Kyum and Bora, Nagamani and Goodfellow, Michael and Lim, Sangyong and Jung, Jinwoo and Lee, Sung-Taik,, 58, 2348-2353 (2008),
doi = https://doi.org/10.1099/ijs.0.64082-0,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= The taxonomic positions of two environmental isolates from South Korea were established using a combination of genotypic and phenotypic data. The organisms, designated PB314T and Ho-08T, were Gram-negative, rod-shaped and non-spore-forming and had chemotaxonomic properties consistent with their classification in the genus Deinococcus 16S rRNA gene tree, the highest sequence similarities being shown to the type strains of Deinococcus grandis (96.3–96.7 %) and Deinococcus indicus (96.3–96.4 %). The isolates shared relatively high 16S rRNA gene sequence similarity (98.1 %) but had a DNA–DNA relatedness value of only 22 %. Chemotaxonomic data revealed that both strains possess quinone system MK-8 as the predominant compound, C16 : 1 ω7c and C16 : 0 as major fatty acids and ornithine as a diamino acid in the peptidoglycan structure, corroborating our assignment of the strains to the genus Deinococcus. The results of phylogenetic analyses based on 16S rRNA gene sequences, DNA–DNA relatedness values and physiological and biochemical tests clearly demonstrated that the two strains represent distinct species. On the basis of these data, two novel species, Deinococcus aquaticus sp. nov. (type strain PB314T =KCTC 12552T =NBRC 101311T) and Deinococcus caeni sp. nov. (type strain Ho-08T =KCTC 12553T =NBRC 101312T), are proposed.,
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