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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 69, Issue 4

sp. nov., isolated from a marine solar saltern Free

Abstract

A novel cherry-red-pigmented, Gram-stain-negative, gliding, facultatively anaerobic and rod-shaped bacterium, designated strain WTE16, was isolated from a sediment sample taken from a marine solar saltern of Wendeng, China (36° 59′ 56.49′′ N 122° 1′ 38.84′′ E). The novel isolate was able to grow at 20–40 °C (optimum 33 °C), at pH 6.0–9.0 (optimum pH 7.0) and with 1.0–12.0 % (w/v) NaCl (optimum 3.0–5.0 %). Phylogenetic analysis based on 16S rRNA gene sequences indicated that the most closely related validly published species is JCM 21150 (96.0 % similarity). Average nucleotide identity, average amino acid identity, percentage of conserved proteins and digital DNA–DNA hybridization values between strain WTE16 and JCM 21150 were 73.8 %, 73.5 %, 63.4 % and 19.5–24.2 %, respectively. The genomic DNA G+C content of strain WTE16 was 40.8 mol%. Chemotaxonomic analysis showed that the sole respiratory quinone was menaquinone 7 (MK-7), and the major fatty acids included iso-C and anteiso-C. The polar lipid profile of strain WTE16 included phosphatidylethanolamine, three unidentified phospholipids and three unidentified lipids. On the basis of its phylogenetic, phenotypic, chemotaxonomic, genotypic and genomic characteristics, strain WTE16 is suggested to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is WTE16 (=KCTC 62599=MCCC 1H00311).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): 16S rRNA gene , Marinilabilia and polyphasic taxonomy
Funding
This study was supported by the:
  • the National Natural Science Foundation of China (Award 31770002)
  • Discipline Construction Guide Foundation in Harbin Institute of Technology at Weihai (Award WH20150204 and WH20160205)
© 2019 IUMS
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2019-01-30
2024-04-19
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Marinilabilia rubra sp. nov., isolated from a marine solar saltern
Int J Syst Evol Microbiol 69, 914 (2019); https://doi.org/10.1099/ijsem.0.003210
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