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Altererythrobacter buctense sp. nov., isolated from mudstone core.
Wei Zhang1, Xin Yuan1, Qingqing Feng1
1College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
Antonie Van Leeuwenhoek
|March 18, 2016
Summary
A novel yellow-pigmented bacterium, Altererythrobacter buctense sp. nov., was discovered in China. This Gram-negative rod exhibits unique growth conditions and expands the Altererythrobacter genus.
Area of Science:
- Microbiology
- Bacteriology
- Taxonomy
Background:
- The genus Altererythrobacter comprises Gram-negative bacteria with diverse environmental origins.
- Accurate taxonomic classification is crucial for understanding bacterial diversity and function.
Purpose of the Study:
- To characterize a novel bacterial isolate from a mudstone core sample.
- To determine the phylogenetic and chemotaxonomic properties of the isolate.
- To formally propose a new species within the Altererythrobacter genus.
Main Methods:
- Isolation and cultivation of bacterial strain M0322(T).
- Phylogenetic analysis using 16S rRNA gene sequences.
- Chemotaxonomic analyses including quinone, polar lipid, and fatty acid profiling.
- Determination of DNA G+C content.
Main Results:
- Strain M0322(T) is a yellow-pigmented, Gram-negative, non-flagellated rod.
- Optimal growth observed at 30°C, pH 6.0-7.0, and without added NaCl.
- Phylogenetic analysis places the strain within the Altererythrobacter genus, closely related to A. aestuarii and A. namhicola.
- Chemotaxonomic data (Q-10, specific lipids, fatty acids) and DNA G+C content (64.6 mol%) support its distinct identity.
Conclusions:
- Strain M0322(T) represents a novel species, Altererythrobacter buctense sp. nov.
- This discovery expands the known diversity of the Altererythrobacter genus.
- The findings contribute to the taxonomic understanding of bacteria from unique geological environments.
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