Aureimonas psammosilene sp. nov., isolated from the roots of Psammosilene tunicoides,Archives of Microbiology

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Aureimonas psammosilene sp. nov., isolated from the roots of Psammosilene tunicoides
Archives of Microbiology ( IF 2.3 ) Pub Date : 2020-05-26 , DOI: 10.1007/s00203-020-01872-5
Mei-Juan Huang ₁ , Wu-Lue Huang ₁ , Manik Prabhu Narsing Rao ₂ , Min Xiao ₂ , Hai-Quan Huang ₁ , Wen-Jun Li _{2,

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Affiliation

One motile strain designated, YIM DR1026 T was isolated from the roots of Psammosilene tunicoides collected from Gejiu, Yunnan province, China. The cells of strain YIM DR1026 T were Gram-negative and short-rod shaped. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain YIM DR1026 T was a member of the genus Aureimonas and closely related to Aureimonas rubiginis (96.7%) . DNA–DNA relatedness values between strain YIM 1026 T and Aureimonas rubiginis BCRC 80440 T was 38.2 ± 1.5%. The ANI value between YIM DR1026 T and other Aureimonas members were below the cut-off level (95–96%) recommended as the average nucleotide identity (ANI) criterion for interspecies identity. Strain YIM DR1026 T grew at 4–30 °C (optimum 28 °C), pH 4.0–9.0 (optimum pH 6.0–7.0) and tolerated NaCl (w/v) up to 1% (optimum 0%). Q-10 was sole the respiratory ubiquinone present in YIM DR1026 T . Polar lipids of strain YIM DR1026 T were phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine, sulfoquinovosyldiacylglycerol, unidentified aminolipid and unidentified polar lipid. The genomic G + C content was 64.6 mol%. The major fatty acids were C 18:1 ω 7 c, C 16:0 and summed feature 3 (C 16:1 ω 7 c /C 16:1 ω 6 c ). Based on phenotypic, phylogenetic, chemotaxonomic and genome comparison, strain YIM DR1026 T represents a novel species of the genus Aureimonas, for which the name Aureimonas psammosilene sp. nov. is proposed. The type strain is YIM DR1026 T (= KCTC 42691 T = NBRC 112412 T ).

更新日期：2020-05-26

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