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Volume 73, Issue 3

sp. nov., isolated from river water Open Access

A corrigendum to this paper has been published here.

Abstract

Two Gram-stain-negative, strictly aerobic, rod-shaped, non-motile and non-gliding bacteria, designated as XJ19-10 and XJ19-11, were isolated from river water in Xinjiang Uygur Autonomous Region, PR China. Cells of these strains were catalase-, oxidase- and gelatinase-positive and contained carotenoids but no flexirubins. Growth occurred at 10–30 °C, pH 7.0–9.0 and with 0–2.5% (w/v) NaCl. On the basis of the results of 16S rRNA gene sequence and genome analyses, the two isolates represented members of the genus , and the closest relative was Z0201 with 16S rRNA gene sequence pairwise similarities of 97.9–98.1%. Furthermore, the average nucleotide identities and digital DNA–DNA hybridization identities between the two isolates and other relatives were all less than 82.9 and 28.2 %, respectively, all below the species delineation thresholds. The results of pan-genomic analysis indicated that the type strain XJ19-10 shared 2813 core gene clusters with other three type strains of members of the genus , as well as having 623 strain-specific clusters. The major polar lipids were phosphatidylethanolamine, phosphatidylcholine, an unidentified aminolipid and unidentified lipids. The predominant fatty acids (>10% of the total contents) were iso-C, iso-CG, iso-C 3-OH and summed feature 9, and MK-7 was the respiratory quinone. On the basis of the results of phenotypic, physiological, chemotaxonomic and genotypic characterization, strains XJ19-10 and XJ19-11 are considered to represent a novel species, for which the name sp. nov. is proposed. The type strain is XJ19-10 (=CGMCC 1.19385 =KCTC 92266).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Aquiflexum gelatinilyticum sp. nov , genome , polyphasic taxonomy and river water
Funding
This study was supported by the:
  • National Science and Technology Fundamental Resources Investigation Program of China (Award 2021FY100900)
    • Principle Award Recipient: Bao-ZhuFang
  • National Nature Science Foundation of China (Award 32170101)
    • Principle Award Recipient: ManCai
  • National Key Research Program of China (Award 2019YFE0191000)
    • Principle Award Recipient: Yu-GuangZhou
© 2023 The Authors
  • This is an open-access article distributed under the terms of the Creative Commons Attribution License. This article was made open access via a Publish and Read agreement between the Microbiology Society and the corresponding author’s institution.

Erratum

An erratum has been published for this content:
Corrigendum: sp. nov., isolated from river water
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Aquiflexum gelatinilyticum sp. nov., isolated from river water
Int J Syst Evol Microbiol 73, 005741 (2023); https://doi.org/10.1099/ijsem.0.005741
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