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Flavihumibacter soli sp. nov., Isolated from Soil
Ye Lin Seo1, Jaejoon Jung1, Shehzad Abid Khan1
1Department of Life Science, Chung-Ang University, 84, HeukSeok-Ro, Dongjak-Gu, Seoul, 06974, Republic of Korea.
Current Microbiology
|July 1, 2020
Summary
A novel bacterium, Flavihumibacter soli sp. nov. R14T, was identified from soil. This Gram-positive, aerobic rod expands the Flavihumibacter genus within the Chitinophagaceae family.
Area of Science:
- Microbiology
- Bacteriology
- Taxonomy
Background:
- The genus Flavihumibacter belongs to the family Chitinophagaceae.
- Accurate bacterial classification is crucial for understanding microbial ecology and function.
Purpose of the Study:
- To taxonomically characterize a novel bacterial isolate, strain R14T, from soil.
- To determine the phylogenetic and chemotaxonomic properties of strain R14T.
- To propose a new species within the genus Flavihumibacter.
Main Methods:
- Polyphasic taxonomic characterization including phenotypic, phylogenetic (16S rRNA gene sequencing), and chemotaxonomic analyses.
- Whole genome sequencing was performed to determine G+C content.
- Cellular fatty acid and polar lipid profiles were analyzed.
Main Results:
- Strain R14T is a Gram-stain-positive, strictly aerobic, non-motile rod.
- Phylogenetic analysis based on 16S rRNA gene sequences placed strain R14T within the Flavihumibacter genus.
- Strain R14T showed highest 16S rRNA gene sequence similarity to Flavihumibacter solisilvae 3-3T (97.5%).
- Chemotaxonomic data, including fatty acids and polar lipids, supported its classification.
- The whole genome G+C content was 44.6 mol%.
Conclusions:
- Strain R14T represents a novel species of the genus Flavihumibacter.
- The proposed name for the novel species is Flavihumibacter soli sp. nov.
- The type strain is R14T (=KACC 21229T = JCM 33473T).
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