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Volume 72, Issue 8

sp. nov., isolated from the marine sponge No Access

Abstract

A novel actinomycete strain, named LHW52907, was isolated from a marine sponge () collected in the South China Sea. The strain developed branched mycelia without fragmentation and short spore chains in hook-and- spiral form with wrinkled surfaces, bearing no more 10 spores. The cell-wall hydrolysates contained -diaminopimelic acid as the diagnostic diamino acid. The sugars in whole-cell hydrolysates consisted of mannose, ribose, glucose, galactose and madurose. The major fatty acids of the strain were C, C and C 9. The predominant menaquinone was MK-9(H). The strain had the highest 16S rRNA gene sequence similarity of 99.72 % to DSM 43383. However, the average nucleotide identity and DNA–DNA hybridization values between them were 93.6 and 52.6 %, respectively, readily distinguishing them as two different species. The results indicate that strain LHW52907 represents a novel species of the genus , for which we propose the name sp. nov, with the type strain LHW52907 (=DSM 106571=CGMCC 4.7596).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Actinomadura spongiicola , marine actinomycetes , marine sponge and new species
Funding
This study was supported by the:
  • Postdoctoral Research Foundation of China (Award 2020M671163)
    • Principle Award Recipient: LinJiang
© 2022 The Authors
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2024-05-19
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Actinomadura spongiicola sp. nov., isolated from the marine sponge Leucetta chagosensis
Int J Syst Evol Microbiol 72, 005506 (2022); https://doi.org/10.1099/ijsem.0.005506
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