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Edaphobacter lichenicola sp. nov., a member of the family Acidobacteriaceae from lichen-dominated forested tundra
Belova, S.E.; Suzina, N.E.; Rijpstra, W.I.C.; Sinninghe Damsté, J.S.; Dedysh, S.N. (2018). Edaphobacter lichenicola sp. nov., a member of the family Acidobacteriaceae from lichen-dominated forested tundra. Int. J. Syst. Evol. Microbiol. 68(4): 1265-1270. https://dx.doi.org/10.1099/ijsem.0.002663
In: International Journal of Systematic and Evolutionary Microbiology. Society for General Microbiology: Reading. ISSN 1466-5026, meer
Peer reviewed article  

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Author keywords
    lichen thalli; Acidobacteria; Cladonia sp.; Edaphobacter lichenicola sp. nov.; Acidobacteriaceae

Auteurs  Top 
  • Belova, S.E.
  • Suzina, N.E.
  • Rijpstra, W.I.C., meer
  • Sinninghe Damsté, J.S., meer
  • Dedysh, S.N.

Abstract
    An isolate of aerobic, Gram-stain-negative, rod-shaped, non-motile and light-pink pigmented bacteria, designated SBC68T, was obtained from slightly decomposed thalli of the lichen Cladonia sp. collected from the forested tundra of north-western Siberia. Cells of this isolate occurred singly, in pairs or in rosettes. These bacteria were acidophilic (optimum growth at pH 4.3–5.6) and mesophilic (optimum growth at 20–30 °C) but were also capable of growth at low temperatures, down to 7 °C. The preferred growth substrates were sugars, some organic acids and lichenan. The major fatty acids were iso-C15 : 0, C16 : 1ω7c, C16 : 0, Cω7t, and 13,16-dimethyl octacosanedioic acid. The only quinone was MK-8, and the G+C content of the DNA was 54.7 mol%. SBC68T represented a member of the family Acidobactericeae; the closest taxonomically described relatives were Edaphobacter dinghuensis DHF9T and Granulicella aggregans TPB6028T (97.2 and 97.1 % 16S rRNA gene sequence similarity, respectively). In 16S rRNA gene-based trees, SBC68T clustered together with species of the genus Edaphobacter . However, this isolate differed from all previously described species of the genus Edaphobacter with respect to the pink pigmentation, formation of cell rosettes and substrate utilization pattern. On the basis of these data, strain SBC68T should be considered to represent a novel species of acidobacteria, for which the name Edaphobacter lichenicola sp. nov. is proposed. The type strain is SBC68T (=DSM 104462T=VKM B-3208T).

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