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

Volume 61, Issue 10

sp. nov., isolated from rhizosphere soil of in a mangrove, and emended description of the genus Free

Abstract

A Gram-reaction-positive, non-motile actinobacterium, designated strain 210121, was isolated from rhizosphere soil of the mangrove fern . 16S rRNA gene sequence analysis showed that the isolate belonged to the genus . DNA–DNA relatedness values between strain 210121 and the type strains of the three recognized species of the genus were below the 70 % threshold recommended for distinguishing bacterial genomic species. The novel isolate contained glutamic acid, glycine, alanine and -Apm as cell-wall amino acids, indicating peptidoglycan type A1γ. The characteristic whole-cell sugars were xylose, ribose, glucose and mannose. The predominant menaquinones were MK-9(H), MK-9(H) and MK-9(H). The major fatty acids were iso-C (30.9 %), C (23.0 %), anteiso-C (14.9 %) and iso-C (12.3 %). The phospholipid profile comprised phosphatidylethanolamine, phosphatidylinositol mannosides and phospholipids of unknown structure containing glucosamine. The G+C content of the DNA was 70.3 mol%. On the basis of the phenotypic and genotypic data, strain 210121 ( = CGMCC 4.5593  = DSM 45427) represents a novel species of the genus , for which the name sp. nov., is proposed. An emended description of the genus is also proposed.

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Funding
This study was supported by the:
  • Chinese National Programs for High Technology Research and Development (Award 2007AA09Z415)
  • National Natural Science Foundation of China (Award 30560005)
  • National Non-profit Institute Research Grant of CATAS-ITBB (Award ITBBZD0753)
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2011-10-01
2025-02-13
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Asanoa hainanensis sp. nov., isolated from rhizosphere soil of Acrostichum speciosum in a mangrove, and emended description of the genus Asanoa
Int J Syst Evol Microbiol 61, 2384 (2011); https://doi.org/10.1099/ijs.0.025825-0
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