Deinococcus lacus sp. nov., a gamma radiation-resistant bacterium isolated from an artificial freshwater pond
Park, Miri and Song, Jaeho and Nam, Gi Gyun and Joung, Yochan and Zhao, Lei and Kim, Min-Kyu and Cho, Jang-Cheon,, 68, 1372-1377 (2018),
doi = https://doi.org/10.1099/ijsem.0.002683,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= A Gram-stain-negative, pink-coloured, non-motile and gamma radiation-resistant bacterium, designated strain IMCC1711T, was isolated from a freshwater sample collected from an artificial pond (Inkyong Pond). The 16S rRNA gene sequence analysis showed that strain IMCC1711T was most closely related to Deinococcus piscis 3axT (94.2 %) and formed a robust phylogenetic clade with other species of the genus Deinococcus . Optimal growth of strain MCC1711T was observed at 25 °C and pH 7.0 without NaCl. Strain IMCC1711T exhibited high resistance to gamma radiation. The DNA G+C content of strain IMCC1711T was 59.1 mol% and MK-8 was the predominant isoprenoid quinone. Major fatty acid constituents of the strain were C17 : 1ω8c, C16 : 0, summed feature 3 (C16 : 1 ω6c and/or C16 : 1 ω7c) and C15 : 1 ω6c. The major polar lipids constituted phosphatidylethanolamine, one unidentified phosphoglycolipid and two unidentified glycolipids. On the basis of taxonomic data obtained in this study, it was concluded that strain IMCC1711T represented a novel species of the genus Deinococcus , for which the name Deinococcus lacus sp. nov. is proposed. The type strain of Deinococcus lacus is IMCC1711T (KCTC 52494T=KACC 18979T=NBRC 112440T).,
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