Mucilaginibacter aquaedulcis sp. nov., isolated from fresh water

Joung, Yochan; Kang, Heeyoung; Lee, Beom-Il; Kim, Haneul; Joh, Kiseong; Kim, Kyu-Joong

doi:10.1099/ijs.0.068726-0

Cited by 17 publications

(1 citation statement)

References 29 publications

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“…[1] and most of its members are Gram-stain-negative, aerobic, rod-shaped and non-spore-forming. Mucilaginibacter species have been reported from diverse habitats including soil [2], rhizosphere of plants [3], plant stem [4], sediment [5] and freshwater [6]. Some species were also found in the cryosphere, such as Mucilaginibacter gilvus in the Antarctic [7], Mucilaginibacter soli in the Arctic [8] and Mucilaginibacter polytrichastri in glacier [9].…”

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confidence: 99%

Mucilaginibacter glaciei sp. nov. and Mucilaginibacter pankratovii sp. nov., isolated from a glacier on the Tibetan Plateau

Yang

Liu

Xin

et al. 2021

International Journal of Systematic and Evolutionary Microbiology

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Two Gram-stain-negative, aerobic, rod-shaped, non-motile, bacterial strains, designated as ZB1P21T and ZT4R22T, were isolated from ice and cryoconite samples collected from Zepu glacier on the Tibetan Plateau, PR China. The phylogenetic analysis of 16S rRNA gene showed that the two strains belong to the genus Mucilaginibacter . Strain ZB1P21T showed the highest similarity to Mucilaginibacter rigui WPCB133T (97.35 %), while strain ZT4R22T showed the highest similarity to Mucilaginibacter gilvus F01003T (99.11 %). The average nucleotide identity values between the two novel strains and their closest relatives were 79.42 and 85.72 % respectively. The two novel strains contained MK-7 as the major menaquinone, and summed feature 3 (comprising C16 : 1 ω7c and/or C16 : 1 ω6c), iso-C15:0, iso-C17 : 03-OH and C16 : 1 ω5c as the major fatty acids. The major polar lipid of the two novel strains were phosphatidylethanolamine. Based on these data, we propose two novel species, Mucilaginibacter glaciei sp. nov. (ZB1P21T=CGMCC 1.23981T=NBRC 113932T) and Mucilaginibacter pankratovii sp. nov. (ZT4R22T=CGMCC 1.23487T=NBRC 113931T).

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Section: Full-textmentioning

confidence: 99%

Mucilaginibacter glaciei sp. nov. and Mucilaginibacter pankratovii sp. nov., isolated from a glacier on the Tibetan Plateau

Yang

Liu

Xin

et al. 2021

International Journal of Systematic and Evolutionary Microbiology

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Mucilaginibacter ginsenosidivorans sp. nov., Isolated from Soil of Ginseng Field

Kim

Ṣiddiqi

2017

Curr Microbiol

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A Gram-reaction-negative, aerobic, nonmotile, nonspore-forming, and rod-shaped bacterial strain designated Gsoil 3017 was isolated from soil of ginseng field and investigated by phenotypic and phylogenetic analyses. Strain Gsoil 3017 grew at 10-37 °C (optimal growth at 30 °C) and at pH 5.5-8.0 (optimal growth at pH 7) on R2A and nutrient agar without additional NaCl as a supplement. Strain Gsoil 3017 possessed β-glucosidase activity, which was responsible for its ability to transform ginsenosides Rb, Rc, and Rd (the three dominant active components of ginseng) to F and C-K, respectively. Based on 16S rRNA gene phylogeny, the novel strain represents a new branch within the genus Mucilaginibacter family Sphingobacteriaceae, and clusters with Mucilaginibacter frigoritolerans FT22 (95.6%) and Mucilaginibacter gotjawali SA3-7 (95.6%). The G+C content of the genomic DNA was 48.7%. The predominant respiratory quinone was MK-7, and the major fatty acids were iso-C, iso-C 3-OH, and summed feature 3 (comprising C ω6c and/or C ω7c). The major polar lipid was phosphatidylethanolamine. Strain Gsoil 3017 could be differentiated genotypically and phenotypically from other type strains of the genus Mucilaginibacter. The isolate therefore represents a novel species, for which the name Mucilaginibacter ginsenosidivorans sp. nov. is proposed, with the type strain Gsoil 3017 (=KACC 14954 = JCM 17081).

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Mucilaginibacter hankyongensis sp. nov., isolated from soil of ginseng field Baekdu Mountain

et al. 2017

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A Gram-negative, non-motile, aerobic, and rod-shaped bacterial strain designated as BR5-28 was isolated from the soil of a ginseng field at Baekdu Mountain Korea, and its taxonomic position was investigated using a polyphasic approach. Strain BR5-28 grew at 10-42°C (optimum temperature, 30°C) and pH 5.5-8.5 (optimum pH, 7.0) on R2A agar medium without additional NaCl supplementation. Strain BR5- 28T exhibited β-glucosidase activity, which was responsible for its ability to transform the ginsenosides Rb1 and Rd (the two dominant active components of ginseng) to compound-K. Based on 16S rRNA gene phylogeny, the novel strain showed a new branch within the genus Mucilaginibacter of the family Sphingobacteriaceae, and formed clusters with Mucilaginibacter frigoritolerans FT22 (95.8%) and Mucilaginibacter gotjawali SA3-7 (95.7%). The G+C content of the genomic DNA was 45.1%. The predominant respiratory quinone was MK-7 and the major fatty acids were summed feature 3 (comprising C ω6c and/or C ω7c), iso-C and anteiso-C. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. Strain BR5-28 was differentiated genotypically and phenotypically from the recognized species of the genus Mucilaginibacter. The isolate therefore represents a novel species, for which the name Mucilaginibacter hankyongensis sp. nov. is proposed, with the type strain BR5-28 (=KCTC 22274 =DSM 21151).

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Mucilaginibacter aquaedulcis sp. nov., isolated from fresh water

Cited by 17 publications

References 29 publications

Mucilaginibacter glaciei sp. nov. and Mucilaginibacter pankratovii sp. nov., isolated from a glacier on the Tibetan Plateau

Mucilaginibacter glaciei sp. nov. and Mucilaginibacter pankratovii sp. nov., isolated from a glacier on the Tibetan Plateau

Mucilaginibacter ginsenosidivorans sp. nov., Isolated from Soil of Ginseng Field

Mucilaginibacter hankyongensis sp. nov., isolated from soil of ginseng field Baekdu Mountain

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