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Production of Chemicals by Klebsiella pneumoniae Using Bamboo Hydrolysate as Feedstock
Published on: June 29, 2017
Leucobacter margaritiformis sp. nov., isolated from bamboo extract
1Division of Natural Science, Department of Bioengineering, Kyonggi University, 94-6 Iui-dong, Yeongtong-gu, Suwon 433-760, Republic of Korea.
Current Microbiology
|February 22, 2012
Summary
A novel bacterium, Leucobacter margaritiformis, was identified from bamboo extract. This Gram-positive aerobic bacterium expands the known diversity within the Leucobacter genus.
Area of Science:
- Microbiology
- Bacterial Taxonomy
- Actinobacteria
Background:
- A novel Gram-positive, aerobic, rod-shaped, non-motile bacterium, designated A23(T), was isolated from bamboo extract.
- The source material was previously used for odor removal, suggesting unique environmental conditions.
Purpose of the Study:
- To characterize bacterium A23(T) and determine its precise taxonomic position.
- To establish if A23(T) represents a new species within the Leucobacter genus.
Main Methods:
- 16S rRNA gene sequence analysis was performed to ascertain phylogenetic relationships.
- Chemotaxonomic analyses included menaquinone analysis, cell wall peptidoglycan composition, and polar lipid profiling.
- Predominant fatty acid profiles were determined.
Main Results:
- Phylogenetic analysis placed strain A23(T) within the phylum Actinobacteria, closely related to existing Leucobacter species.
- Chemotaxonomic data, including menaquinone MK11 and specific peptidoglycan components (2,4-diaminobutyric acid, alanine, glycine, glutamic acid, γ-aminobutyric acid), supported genus assignment.
- The fatty acid profile, dominated by iso-C16:0, anteiso-C15:0, and anteiso-C17:0, further corroborated its placement in the genus Leucobacter.
Conclusions:
- Strain A23(T) represents a distinct lineage within the genus Leucobacter.
- The data strongly support the classification of A23(T) as the type strain of a novel species, Leucobacter margaritiformis sp. nov.
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