Roseovarius
            antarcticus sp. nov., isolated from a decayed whale bone

Deng, Sangsang; Jiang, Fan; Chang, Xulu; Qu, Zhihao; Ren, Lvzhi; Kan, Wenjing; Da, Xuyang; Qiu, Xia; Kim, Myongchol; Fang, Chengxiang; Peng, Fang

doi:10.1099/ijs.0.000259

Cited by 21 publications

(9 citation statements)

References 34 publications

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“…[28]. The only respiratory quinone detected in strain GH877 T was Q-10, which is consistent with other Roseovarius species [6].…”

Section: Physiology and Chemotaxonomysupporting

confidence: 77%

“…pacificus DSM29589 T (). The genomic DNA G+C content of strain GH877 T was 59.8 mol %, which was close to the lower limit of typical values for Roseovarius species (58.4–68.1 mol %) [6], but was notably lower than that of R. pacificus 81-2 T (62.3 mol %) and R.…”

Section: Genomic Characterizationsupporting

confidence: 64%

“…Over the past two decades, many Roseovarius species have been isolated from various habitats, such as seawater, saline lake, marine sediments, tidal flat, ark shell, oysters, decayed whale bones, etc. [2–7]. At the time of writing, 26 species of the genus Roseovarius with validly published names have been described (www.bacterio.net/roseovarius.html).…”

Section: Full-textmentioning

confidence: 99%

“…Members of the genus Roseovarius contain Q-10 as the predominant respiratory quinone and C 18 : 1 ω6 c and/or C 18 : 1 ω7 c as the dominant cellular fatty acids. The DNA G+C content of this genus is in the range of 58.4–68.1 mol % [6].…”

Section: Full-textmentioning

confidence: 99%

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Roseovarius gahaiensis sp. nov., isolated from Gahai Saline Lake, PR China

Sun¹,

Wang

Liu

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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A Gram-stain-negative, aerobic, non-motile and ovoid- to rod-shaped bacterial strain, designated GH877T, was isolated from a water sample of Gahai saline lake in Qaidam Basin,PR China. The isolate grew at 5–45 °C, pH 6.0–9.0 (optima, 37 °C and pH 7.5) and with 0.5–20 % (w/v) NaCl (optimum, 2.0 %). The neighbour-joining phylogenetic tree of 16S rRNA gene sequences showed that strain GH877T belonged to the genus Roseovarius , and had highest 16S rRNA gene sequence similarity of 97.7 % to Roseovarius pacificus 81-2T, followed by Roseovarius halotolerans HJ50T (97.5 %) and Roseovarius litoreus GSW-M15T (96.8 %). Genome sequencing revealed a genome size of 3 378 519 bp and a G+C content of 59.8 mol %. Up-to-date bacterial core gene set analysis indicated that strain GH877T represents one independent lineage with R. pacificus DSM29589T. The average nucleotide identity values of GH877T with R. pacificus 81-2T and R. halotolerans HJ50T are 80.7 and 77.3 %, respectively. In silico DNA–DNA hybridization values between strain GH877T and R. pacificus 81-2T and R. halotolerans HJ50T are 23.2 and 20.0 %, respectively. Q-10 was the predominant respiratory quinone and summed feature 8 (C18 : 1 ω7c and/or C18 : 1 ω6c) and C16 : 0 were the major cellular fatty acids. The polar lipids of strain GH877T consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine and two unidentified phosphoglycolipids. Based on polyphasic taxonomic analysis, strain GH877T is proposed to represent a novel species of the genus Roseovarius , for which the name Roseovarius gahaiensis sp. nov. is proposed. (type strain GH877T=CGMCC 1.13971T=KCTC 72576T).

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“…[28]. The only respiratory quinone detected in strain GH877 T was Q-10, which is consistent with other Roseovarius species [6].…”

Section: Physiology and Chemotaxonomysupporting

confidence: 77%

Section: Genomic Characterizationsupporting

confidence: 64%

Section: Full-textmentioning

confidence: 99%

Section: Full-textmentioning

confidence: 99%

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Roseovarius gahaiensis sp. nov., isolated from Gahai Saline Lake, PR China

Sun¹,

Wang

Liu

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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“…Most members of this genus have been isolated from the Republic of Korea and PR China, and a few from the Pacific Ocean, the Atlantic Ocean, the USA, Germany and Spain. Two strains were isolated from Antarctica [1,9]. The genus Roseovarius is often found in the metagenomics of some oceans or salt lakes [10,11], suggesting that it may be widely distributed.…”

mentioning

confidence: 99%

Roseovarius arcticus sp. nov., a bacterium isolated from Arctic marine sediment

Peng

Liu

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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An aerobic, Gram-stain-negative, motile, rod or long-rod-shaped bacterial isolate, strain MK6-18T, was isolated from a marine sediment sample from Kongsfjorden, Arctic. The bacterium grew optimally at 20 °C, pH 7.0 and in the presence of 1.0–2.0 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain MK6-18T belonged to the genus Roseovarius . Its closest phylogenetic neighbour was Roseovarius nanhaiticus NH52JT showing 96.97 % 16S rRNA gene sequence similarity. The genome of strain MK6-18T is 4.2 Mb long in size with a G+C content of 59.5 mol%. The average nucleotide identity value between the genomes of strain MK6-18T and Roseovarius nanhaiticus NH52JT, was 78.0 %. Similar to other species of the genus Roseovarius , strain MK6-18T had ubiquinone 10 as the predominant ubiquinone and C12 : 0, C16 : 0, summed feature 3 (C16 : 1ω7c/ω6c) and summed feature 8 (C18 : 1ω7c/ω6c) as the major fatty acids. The polar lipid pattern consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and phosphatidylcholine; one unidentified polar lipid, one unidentified aminolipid and one unidentified lipid were also detected. This is the first time that a member of the genus Roseovarius has been isolated from the Arctic, which may promote the study of the distribution characteristics and environmental adaptability of this genus. On the basis of the data provided here, strain MK6-18T should be classed as representing a novel species of the genus Roseovarius , for which the name Roseovarius arcticus sp. nov. is proposed. The type strain is MK6-18T (=CCTCC AB 2018219T=KCTC 72187T).

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Roseovarius lacus sp. nov., isolated from Yuncheng Saline Lake, China

Pan

Tang

et al. 2016

Arch Microbiol

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Strain GSS12, a Gram-negative, aerobic, non-flagellated, ovoid- to rod-shaped (0.5-0.7 × 0.9-3.0 µm) bacterium, was isolated from Yuncheng Saline Lake, China. Growth occurred with 0.5-16.0 % (w/v) NaCl (optimum 4.5 %), at pH 5.0-10.0 (optimum pH 6.0-6.5) and at 10-50 °C (optimum 37 °C). The major fatty acids (>5.0 %) found in GSS12 were summed feature 8 (72.2 %), C (9.0 %) and C ω7c 11-methyl (6.4 %). The DNA G+C content was 62.7 mol%. Analysis of the 16S rRNA gene sequences showed that strain GSS12 forms a stable clade with species of the genus Roseovarius, being related to R. pacificus 81-2 and R. litoreus GSW-M15 with 97.9 and 96.7 % of sequence similarity, respectively. The DNA-DNA relatedness values between strain GSS12 and R. pacificus 81-2 and R. halotolerans HJ50 were low (36 and 29 %, respectively). The phenotypic, physiological, biochemical and genetic characteristics support the assignment of strain GSS12 to the genus Roseovarius and represent a novel species. The name Roseovarius lacus sp. nov. is proposed, with strain GSS12 (=KCTC 52185 =MCCC 1K02302) as the type strain.

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Roseovarius antarcticus sp. nov., isolated from a decayed whale bone

Cited by 21 publications

References 34 publications

Roseovarius gahaiensis sp. nov., isolated from Gahai Saline Lake, PR China

Roseovarius gahaiensis sp. nov., isolated from Gahai Saline Lake, PR China

Roseovarius arcticus sp. nov., a bacterium isolated from Arctic marine sediment

Roseovarius lacus sp. nov., isolated from Yuncheng Saline Lake, China

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