Flavihumibacter soli sp. nov., Isolated from Soil

Seo, Ye Lin; Jung, Jaejoon; Khan, Shehzad Abid; Kim, Kyung Hyun; Jeon, Che Ok

doi:10.1007/s00284-020-02103-2

Cited by 7 publications

(3 citation statements)

References 18 publications

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“…The quinone pattern, polar lipid profile and fatty acid composition of strain RY-1 T were similar to other Flavihumibacter members. However, the number of unknown amino lipids and unknown lipids, as well as fatty acid content differentiated them from each other [1][2][3][4][5][6][7]. The 16S rRNA gene sequence similarity of strain RY-1 T and closely related reference strains were all less than 98.7 %, values of ANI, AAI and dDDH were below the threshold for new species delineation, and genome size and DNA G+C content were all different [18].…”

Section: Physiology and Chemotaxonomymentioning

confidence: 99%

“…They contain menaquinone 7 (MK-7) as the sole or major respiratory quinone and iso-C 15 : 0 and iso-C 17 : 0 3-OH as major fatty acids. The DNA G+C content of strains within the genus Flavihumibacter ranges from 44.6 to 49.5 mol % [1][2][3][4][5][6][7]. Flavihumibacter may play an essential role in the remediation of contaminated soil.…”

Section: Introductionmentioning

confidence: 99%

“…At the time of writing, the genus Flavihumibacter includes seven validly published species, which are F. petaseus [1], Flavihumibacter cheonanensis [2], Flavihumibacter sediminis [3], Flavihumibacter profundi [4], Flavihumibacter soli [5], Flavihumibacter solisilvae [6] and Flavihumibacter stibioxidans [7]. These species were isolated from soil or sediment.…”

Section: Introductionmentioning

confidence: 99%

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Flavihumibacter fluminis sp. nov., a novel thermotolerant bacterium isolated from river silt

Guo

Mao

et al. 2023

International Journal of Systematic and Evolutionary Microbiology

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A yellow, Gram-stain-positive, strictly aerobic, thermotolerant, non-motile and rod-shaped bacterial strain, designated RY-1T, was isolated from a silt sample of Fuyang River, Wuqiang County, Hengshui City, Hebei Province, PR China. Cells showed oxidase- and catalase-positive activities. Growth occurred at 20–45 °C (optimum, 37 °C) and pH 6.0–8.0 (optimum, pH 7.0), and in the presence of 0–1.5 % (w/v) NaCl (optimum, 0%). A phylogenetic tree based on 16S rRNA gene sequences revealed that strain RY-1T formed a phylogenetic lineage with Flavihumibacter members within the family Chitinophagaceae . A comparison of 16S rRNA gene sequences showed that strain RY-1T was most closely related to Flavihumibacter cheonanensis WS16T (98.6 %), Flavihumibacter sediminis CJ663T (97.7 %) and Flavihumibacter solisilvae 3-3T (97.6 %). The genome size of strain RY-1T was 4.71 Mb, and the DNA G+C content was 44.3 %. The average nucleotide identity, digital DNA–DNA hybridization and average amino acid identity values between strain RY-1T and reference strains were all lower than the threshold values for species delineation. Strain RY-1T contained menaquinone-7 and iso-C15 : 0, iso-C17 : 0 3-OH and iso-C15 : 1G as the sole respiratory isoprenoid quinone and major cellular fatty acids (≥5 %), respectively. The major polar lipids consisted of phosphatidylethanolamine, three unidentified aminolipids and four unidentified lipids. According to the results of phenotypic, phylogenetic and chemotaxonomic characteristics, strain RY-1T represents a novel species of the genus Flavihumibacter , for which the name Flavihumibacter fluminis sp. nov. is proposed. The type strain is RY-1T (=GDMCC 1.2775T=JCM 34870T).

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