Arthrobacter echini sp. nov., isolated from the gut of a purple sea urchin, Heliocidaris crassispina

Lee, June-Young; Hyun, Dong-Wook; Kim, Pil Soo; Kim, Hyun Sik; Shin, Na-Ri; Yun, Ji-Hyun; Jung, Myeong Ho; Kim, Min‐Soo; Whon, Tae Woong; Bae, Jin‐Woo

doi:10.1099/ijsem.0.000965

Cited by 19 publications

(10 citation statements)

References 33 publications

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“…S3). In contrast to the rod-coccus cell cycle described for some species of the genus Arthrobacter [2], such as A. echini AM23 T [7], no such morphological cycle change was observed for our strains under the current cultural conditions.…”

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confidence: 99%

“…The solvent systems used were chloroform/methanol/water (65:25:4, v/v) for the first dimension and chloroform/methanol/acetic acid/water (80:12:15:4, v/v) for the second dimension. Total polar lipids were stained with (a/e) 5 % (w/v) ethanolic molybdatophosphoric acid reagent, (b/f) ninhydrin reagent, (c/g) molybdenum blue spray reagent and (d/h) α-naphthol/sulphuric acid reagent [7]. Abbreviations: DPG, diphosphatidylglycerol; PG, phosphatidylglycerol; PL, unidentified phospholipid; GL, unidentified glycolipids; PI, phosphatidylinositol.…”

Section: Full-textmentioning

confidence: 99%

“…The cell-wall peptidoglycan structural type is either A3α or A4α [2,5]. Members of the genus Arthrobacter were isolated from a variety of sources, including animals [6,7], cheese [8], glaciers [9,10], humans [11][12][13], sediments [14] and soil [15]. While investigating the microbiota of the Tibetan Plateau wildlife in PR China, we recently isolated some novel bacterial species from plateau pika (Ochotona curzoniae) and Tibetan wild ass (Equus kiang), including Actinomyces gaoshouyii [16], Neisseria chenwenguii [17], Neisseria weixii [18] and Norcardoides yefusunii [19].…”

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Arthrobacter yangruifuii sp. nov. and Arthrobacter zhaoguopingii sp. nov., two new members of the genus Arthrobacter

Tao

Yang

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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Four unknown strains belonging to the genus Arthrobacter were isolated from plateau wildlife on the Qinghai–Tibet Plateau of PR China. Phylogenetic analysis based on 16S rRNA gene sequences showed that the four isolates were separated into two clusters. Cluster I (strains 785T and 208) had the greatest 16S rRNA gene sequence similarity to Arthrobacter citreus (98.6 and 98.7 %, respectively), Arthrobacter luteolus (98.0 and 98.1%, respectively), Arthrobacter gandavensis (97.9 and 98.0 %, respectively) and Arthrobacter koreensis (97.6 and 97.7 %, respectively). Likewise, cluster II (strains J391T and J915) had the highest sequence similarity to Arthrobacter ruber (98.6 and 98.3 %, respectively) and Arthrobacter agilis (98.1 and 97.9 %, respectively). Average nucleotide identity and the digital DNA–DNA hybridization values illustrated that the two type strains, 785T and J391T, represented two separate novel species that are distinct from all currently recognized species in the genus Arthrobacter . These strains had DNA G+C contents of 66.0–66.1 mol% (cluster I) and 68.0 mol% (cluster II). The chemotaxonomic properties of strains 785T and J391T were in line with those of the genus Arthrobacter : anteiso-C15:0 (79.3 and 40.8 %, respectively) as the major cellular fatty acid, MK-8(H2) (65.8 %) or MK-9(H2) (75.6 %) as the predominant respiratory quinone, a polar lipid profile comprising diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, glycolipids and phospholipid, and A3α or A4α as the cell wall peptidoglycan type. On the basis of our results, two novel species in the genus Arthrobacter are proposed, namely Arthrobacter yangruifuii sp. nov. (type strain, 785T=CGMCC 1.16725T=GDMCC 1.1592T=JCM 33491T) and Arthrobacter zhaoguopingii sp. nov. (type strain, J391T=CGMCC 1.17382T=GDMCC 1.1667T=JCM 33841T).

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confidence: 99%

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confidence: 99%

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Arthrobacter yangruifuii sp. nov. and Arthrobacter zhaoguopingii sp. nov., two new members of the genus Arthrobacter

Tao

Yang

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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“…The predominant menaquinone detected was MK-9(H 2 ) (93.0 %), while the minor components were MK-8(H 2 ) (6.0 %) and MK-10(H 2 ) (1.0 %). This menaquinone composition was in accordance with that reported for the recognized species of the genus Arthrobacter [2, 5, 6, 8–11, 14]. The polar lipids of strain E918 T comprised phosphatidylglycerol (PG), diphosphatidylglycerol (DPG), phosphatidylinositol (PI) and two unidentified glycolipids (GL1,2), which were almost consistent with that of its closest relative A.…”

Section: Physiology and Chemotaxonomysupporting

confidence: 87%

Arthrobacter mobilis sp. nov., a novel actinobacterium isolated from Cholistan desert soil

Liu

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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A Gram-stain-positive, aerobic, catalase-positive, oxidase-negative, non-mycelium-forming, motile, rod-shaped with one polar flagellum actinobacterium, designated E918T, was isolated from a desert soil collected in Cholistan desert, Pakistan. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain E918T belonged to the genus Arthrobacter and was most closely related to Arthrobacter deserti CGMCC 1.15091T (97.2 % similarity). The peptidoglycan was of the A3α type and the whole-cell sugar profile was found to contain galactose. The major menaquinone was MK-9(H2). The polar lipid profile consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and two unidentified glycolipids. The major fatty acids identified were anteiso-C15 : 0 and anteiso-C17 : 0. The G+C content of the genomic DNA was 68.69 mol%. The digital DNA–DNA hybridization and average nucleotide identity values between strain E918T and A. deserti CGMCC 1.15091T were 28.0 and 83.4%, respectively. On the basis of its phylogenetic, phenotypic and chemotaxonomic features, strain E918T was considered to represent a novel species of the genus Arthrobacter , for which the name Arthrobacter mobilis sp. nov. is proposed. The type strain of Arthrobacter mobilis is E918T (=JCM 33392T=CGMCC 1.16978T).

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“…Strains KR32 T and A. agilis DSM 20550 T were both able to grow at 1 °C but A. agilis DSM 20550 T was not able to grow above 35 °C. Growth above 37 °C was an exclusive property of strain KR32 T in comparison to all other species of the pink A. agilis group[13,42]. The optimum temperature was 27-30 °C for KR32…”

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confidence: 96%

Arthrobacter bussei sp. nov., a pink-coloured organism isolated from cheese made of cow’s milk

Flegler

Runzheimer

Kombeitz

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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A pink-coloured bacterium (strain KR32T) was isolated from cheese and assigned to the ‘ Arthrobacter agilis group’. Members of the ‘pink Arthrobacter agilis group’ form a stable clade (100 % bootstrap value) and contain the species Arthrobacter agilis , Arthrobacter ruber and Arthrobacter echini , which share ≥99.0 % 16S rRNA gene sequence similarity. Isolate KR32T showed highest 16S rRNA gene sequence similarity (99.9 %) to A. agilis DSM 20550T. Additional multilocus sequence comparison confirmed the assignment of strain KR32T to the clade ‘pink A. agilis group’. Average nucleotide identity and digital DNA–DNA hybridization values between isolate KR32T and A. agilis DSM 20550T were 82.85 and 26.30 %, respectively. The G+C content of the genomic DNA of isolate KR32T was 69.14 mol%. Chemotaxonomic analysis determined anteiso-C15 : 0 as the predominant fatty acid and MK-9(H2) as the predominant menaquinone. Polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and monoacyldimannosyl-monoacylglycerol. The peptidoglycan type of the isolate was A3α. The carotenoid bacterioruberin was detected as the major pigment. At 10 °C, strain KR32T grew with increased concentrations of bacterioruberin and production of unsaturated fatty acids. Strain KR32T was a Gram-stain-positive, catalase-positive, oxidase-positive and coccus-shaped bacterium with optimal growth at 27–30 °C and pH 8. The results of phylogenetic and phenotypic analyses enabled the differentiation of the isolate from other closely related species of the ‘pink A. agilis group’. Therefore, strain KR32T represents a novel species for which the name Arthrobacter bussei sp. nov. is proposed. The type strain is KR32T (=DSM 109896T=LMG 31480T=NCCB 100733T).

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Arthrobacter echini sp. nov., isolated from the gut of a purple sea urchin, Heliocidaris crassispina

Cited by 19 publications

References 33 publications

Arthrobacter yangruifuii sp. nov. and Arthrobacter zhaoguopingii sp. nov., two new members of the genus Arthrobacter

Arthrobacter yangruifuii sp. nov. and Arthrobacter zhaoguopingii sp. nov., two new members of the genus Arthrobacter

Arthrobacter mobilis sp. nov., a novel actinobacterium isolated from Cholistan desert soil

Arthrobacter bussei sp. nov., a pink-coloured organism isolated from cheese made of cow’s milk

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