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Volume 68, Issue 6

sp. nov., isolated from a freshwater spring Free

Abstract

Strain MVW-1, isolated from a freshwater spring in Taiwan, was characterized by using a polyphasic taxonomy approach. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain MVW-1 belongs to the genus and has the highest levels of sequence similarity to MJ17 (97.6 %), CMB17 (97.4 %), E6 (97.3 %) and SCU-M53 (97.1 %). Cells were Gram-stain-negative, aerobic, poly-β-hydroxybutyrate-accumulating, non-motile, rod-shaped and formed light orange-coloured colonies. Optimal growth occurred at 20–25 °C, pH 6–7, and in the presence of 0–3 % NaCl. The major fatty acid of strain MVW-1 was Cω7. The polar lipid profile consisted of phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, diphosphatidylglycerol, an unidentified glycolipid, an unidentified aminolipid and three unidentified phospholipids. The predominant polyamines were spermidine, putrescine and cadaverine. The only isoprenoid quinone was Q-10. The genomic DNA G+C content of strain MVW-1 was 63.4 mol%. Strain MVW-1 exhibited less than 35 % DNA–DNA relatedness to MJ17, E6, CMB17 and SCU-M53. On the basis of phenotypic and genotypic properties and phylogenetic inference, strain MVW-1 should be classified in a novel species of the genus , for which the name sp. nov. is proposed. The type strain is MVW-1 (=BCRC 80974=LMG 29554=KCTC 52239).

  • Received:
  • Accepted:
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Keyword(s): Alphaproteobacteria , freshwater spring , Paracoccus fontiphilus , Proteobacteria , Rhodobacteraceae and Rhodobacterales
© 2018 IUMS
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2018-06-01
2024-04-20
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Paracoccus fontiphilus sp. nov., isolated from a freshwater spring
Int J Syst Evol Microbiol 68, 2054 (2018); https://doi.org/10.1099/ijsem.0.002793
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