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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo International Journal of Systematic and Evolutionary Microbiology

Volume 71, Issue 1

sp. nov., isolated from aquatic environments in the northern PR China Free

Abstract

Four strains (km711, km714, km542 and km524), representing a novel species, were isolated from aquatic environments in northern PR China. Cells were Gram-stain-negative, rod-shaped, microaerobic, motile and growth depended on -cysteine. They grew at 25‒42 °C (optimum, 35‒37 °C) and could tolerate up to 1.5 % (w/v) NaCl (optimum, 0.5 %). The major fatty acids (>5 %) of the type strain km711 were C anteiso, C anteiso, iso-C and C 7 and/or iso-C 2OH. The pairwise comparison values were <96.1 % for 16S rRNA gene sequences, 23.3‒28.7 % interspecies variation for gene sequences, <93.6 % average nucleotide identity and <72.8 % average amino acid identity between these four strains and related type strains within the genus . The phylogenetic tree based on the four concatenated genes (16S rRNA, , and ) and protein-concatamer tree based on concatenation of 21 protein markers both revealed that these four strains formed a separate phylogenetic branch cluster within the genus . The results of phenotypic and genotypic features suggest that these four strains represent a novel species of the genus , for which the name sp. nov. is proposed (type strain km711=KCTC 15655=NBRC 113219).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): aquatic environments , Legionella septentrionalis sp. nov. and polyphasic taxonomy
Funding
This study was supported by the:
  • National Natural Science Foundation of China (Award No. 31870001)
    • Principle Award Recipient: Xiao-YongZhan
  • Science and Technology Planning Project of Guangdong Province (Award 2017A020215068)
    • Principle Award Recipient: Liang-HuiLi
© 2021 The Authors

Erratum

An erratum has been published for this content:
Corrigendum: sp. nov., isolated from aquatic environments in the northern PR China
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2020-12-07
2025-01-15
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Legionella septentrionalis sp. nov., isolated from aquatic environments in the northern PR China
Int J Syst Evol Microbiol 71, 004592 (2020); https://doi.org/10.1099/ijsem.0.004592
/content/journal/ijsem/10.1099/ijsem.0.004592
/content/journal/ijsem/10.1099/ijsem.0.004592
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