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Oleiharenicola alkalitolerans gen. nov., sp. nov., a new member of the phylum Verrucomicrobia isolated from an oilsands tailings pond
Rochman, F.; Kim, J.-J.; Rijpstra, W.I.C.; Sinninghe Damsté, J.S.; Schumann, P.; Verbeke, T.J.; Dunfield, P.F. (2018). Oleiharenicola alkalitolerans gen. nov., sp. nov., a new member of the phylum Verrucomicrobia isolated from an oilsands tailings pond. Int. J. Syst. Evol. Microbiol. 68(4): 1078-1084. https://dx.doi.org/10.1099/ijsem.0.002624
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
    Verrucomicrobia; alkalitolerant bacterium; Opitutaceae; Oleiharenicola alkalitolerans; oilsands tailings ponds

Auteurs  Top 
  • Rochman, F.
  • Kim, J.-J.
  • Rijpstra, W.I.C., meer
  • Sinninghe Damsté, J.S., meer
  • Schumann, P.
  • Verbeke, T.J.
  • Dunfield, P.F.

Abstract
    A novel member of the phylum Verrucomicrobia was isolated from an oilsands tailings pond in Alberta, Canada. Cells of isolate NVTT are Gram-negative, strictly aerobic, non-pigmented, non-motile cocci to diplococci 0.5–1.0 µm in diameter. The bacterium is neutrophilic (optimum pH 6.0–8.0) but alkalitolerant, capable of growth between pH 5.5 and 11.0. The temperature range for growth is 15–40 °C (optimum 25–37 °C). Carbon and energy sources include sugars and organic acids. Nitrogen sources include nitrate, urea, l-glycine, l-alanine, l-proline and l-serine. Does not fix atmospheric nitrogen. Does not require NaCl and is inhibited at NaCl concentrations above 3.0 % (w/v). The DNA G+C content of strain NVTT, based on a draft genome sequence, is 66.1 mol%. MK-6 and MK-7 are the major respiratory quinones. Major cellular fatty acids are anteiso-C15 : 0 and iso-C15 : 0. Phylogenetic analysis of 16S rRNA gene sequences revealed that the strain belongs to the family Opitutaceae of the phylum Verrucomicrobia . The most closely related validated species is Opitutus terrae (93.7 % 16S rRNA gene sequence identity to its type strain PB90-1T). Based on genotypic, phenotypic and chemotaxonomic characteristics, it was concluded that this strain represents a novel genus and species, for which the name Oleiharenicola alkalitolerans gen. nov., sp. nov. is proposed. The type strain of this novel species is NVTT (=ATCC BAA-2697T;=DSM 29249T).

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