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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 70, Issue 4

sp. nov., an actinomycete isolated from riverside silt Free

Abstract

A novel actinobacterium, designated TRM68348, was isolated from the silt collected from the Tailan River in Xinjiang Province, north-west China. The strain was aerobic and Gram-stain-positive. The aerial mycelium was densely straight or tortuous, with a few branches of hyphae and no spores. The whole-cell sugar pattern of strain TRM68348 consisted of ribose and glucose. The diagnostic diamino was -diaminopimelic acid. The polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, phosphatidylinositol, phosphatidylinositol mannose and an unidentified phospholipid. The predominant menaquinones were MK-9 (H), MK-9 (H) and MK-9 (H). The major fatty acids (>5 %) were iso-C, iso-C, anteiso-C, iso-C, C and summed feature 6. The G+C content of the genomic DNA was 69.93 mol%. Phylogenetic analysis showed that strain TRM68348 shared 16S rRNA gene sequence similarity of 98.14 % to the closest described species 1H-SSA4. Strain TRM68348 had a relatively low DNA–DNA relatedness value with 1H-SSA4 as determined by calculating the average nucleotide identity value (92.78 %). Strain TRM68348 could also be differentiated from 1H-SSA4 based on morphological and physiological characteristics. On the basis of the evidence from this polyphasic study, the strain is concluded to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is TRM68348 (=CCTCC AA 2018086=KCTC 49274).

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  • Accepted:
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  • Published Online:
Keyword(s): polyphasic taxonomy , silt sample and Streptomyces tailanensis sp. nov.
Funding
This study was supported by the:
  • Tarim University graduate research and innovation projects (Award XJ2019G270)
    • Principle Award Recipient: Bei-Bei Sun
  • National Natural Science Foundation of China (Award Xinjiang Joint Fund Key Project (U1703236))
    • Principle Award Recipient: Li-Li Zhang
© 2020 The Authors
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2020-03-20
2024-04-25
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Streptomyces tailanensis sp. nov., an actinomycete isolated from riverside silt
Int J Syst Evol Microbiol 70, 2760 (2020); https://doi.org/10.1099/ijsem.0.004105
/content/journal/ijsem/10.1099/ijsem.0.004105
/content/journal/ijsem/10.1099/ijsem.0.004105
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